Document MoBoR7x4XoZ3KoZDMXxe0mB3M

OFFICERS President R. S. Bradley Mexico, Mo. President-Elect Oscar G. Burch Toledo, Ohio Vice- Presidents Bill Coates Austin, Texas H arry E. Davis Universal Potteries H erbert Insley Washington, D. C. Treasurer Andrew Pereny Columbus, Ohio General Secretary and Editor arles S. Pearce lumbus, Ohio Committee on Publications W. R. Kerr Chairman J . O. Everhart E. P. M cNamara E. F. Osborn C. S. Pearce Managing Editor Jam es S. Welch Editorial Assistants Emmollne R. Jam ra C harlotte B. Burgess Advertising Manager A rthur S. Koschny Eastern Representative William T. M ohrm an, Jr. 437 Fifth Ave., New York 16, N. Y. Phone: Murray Hill 5-5633 Midwest Representative Jam es K. M illhouse 5935 West Montrose Ave. Chicago 34, 111. Phone: Mulberry 5-0070 Offices ecutive, editorial, and adver tising: 4055 North High St., Columbus 14, Ohio. Phone AMnerst 8-8645 A. T. & T. Teletype CL593 Publication: 20th & N orth ampton Sts., Easton, Pa. Papers Investigation of Ceramic Materials in a Laboratory Rocket Motor 443 J . F. Lynch, J . F. Q u irk, and W . H . Duckworth Colored Terra Sigillata Coatings for Building M aterials................... 4 4 6 L. B. Coffin A Simple, Inexpensive M ethod for Translucency Measure ments........................................................................................................ C . F. Shaw 448 Articles Glass Science in the U .S .S .R ................................................................. 455 Joint Meeting of the Ceramic Society of the Southwest and Southwest Section................................................................................. 456 Nominations for Officers, 1 9 5 9 - 6 0 ................................................... 4 60 Rosters Membership Roster.................................................................................. 461 Institute Roster........................................................................................... R-131 Departments In Print for Ceramists.. 2 M ailbox for R eaders.. 6 Meetings C a le n d a r.. . 8, 9 Consulting Services. .R-132 Personal Notes................ 13 Men and Positions.. . . 1 4 ,1 5 O ut of the K iln .............. Advertisers'I n d ex . . . . A uthors............................... Sections............................... N ecrology......................... Names................................... 15 16 452 457 458 459 Membership Roster The American Ceramic Society This Roster is published only for the convenience of members of The American Ceramic Society. Its use as a mailing list is in olation of federal copyright. _ Listings are in alphabetical order. A separate Roster for the National Institute of Ceramic Engineers, showing grades of membership, on pages R 131 to 7?-133 of this issue. New members received too late to be included are listed in the Addenda on page J?-129. These listings give the member's preferred mailing address. Where this is not his business address his company connection is shown parentheses. Divisions and other Society affiliations are indicated in parentheses following each name, in accordance with the code ven below. The absence of any such designation indicates that the member is from outside the United States or a student member, .ither of which has Division affiliation. B--Basic Science Division D --Design Division E--Enamel Division G--Glass Division L--Electronics Division M--Materials and Equipment Division R--Refractories Division ' S--Structural Clay Products Division W--White Wares Division X--No Division affiliation F--Fellow of The American Ceramic Society J --Junior Member I--National Institute of Ceramic Engineers A BBEY, R. G. (G) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. BBOTT, Gordon H. 81 Sunnyside Ave., Lakefield Benoni, TVL., South Africa BBOTT, Russell W. (D) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BE, Tosio 1001, Kami-ikegami-cho, Ota-ku Tokyo, Japan (Tokyo Shibaura Electric Co., Ltd.) BERNETHY, Lonnie L. (BI) Texas Instruments. Inc. Central Research Div. 6000 Lemmon Ave., Dallas 9, Texas BINGDON POTTERIES, INC. m i . Lewis) 801 N. Main St. ^^^Pgdon, 111. Bh B i S, Edwin F. (R) 819 Jefferson St., N. E. Washington 11, D. C. (U. S. Naval Ordnance Lab.) BRAMS, Marvin E. (W) Sentry Sanitary Corp., Box 427 Mannington, W. Va. BRAMSON, Isaac Av. Atlantica 2856, Apto. 403 Rio de Janeiro, Brazil (Klabin Irmaos & Cia.) GRILLE, A. Villa San Miguel Brewery, Inc., 1112 Aviles Manila, Philippines XCOUNTIUS, Oliver E. (R) 622 W. Alegria Ave. Sierra Madre, Calif. (Aerojet-General Corp.) tCHAUER, L. C. (S) Natco Corp., East Canton, Ohio 'CKER, Gerald M. Box 1339, Alfred, N. Y. iCME BRICK CO. (George Puls) Box 425, Fort Worth, Texas l C SPARK PLUG DIV., GENERAL MOTORS CORP. (Karl Schwartzwalder) Flint 2, Mich. tDAMS CLAY PRODUCTS CO. (James A. Cunningham) Box 32, Martinsville. Ind. ^DAMS, David E,, Jr. (W) 830 Spring St., Latrobe, Pa. UMMS, Edward M. (S) Murray Tile Co., Inc. QCloovveerrport, Ky. Frederick W. (G) Prospect Ave. tenndon Hills, III. (Continental Can Co., Inc.) MAMS, Milton (G) 129 W. Streicher St., Toledo 8, Ohio ; (Libhey-Owens-Ford Glass Co.) ADAMS, P. Bruce (G) Corning Glass Works Research and Development Corning, N. Y. ADAMS, Robert B. 1611 Campus Rd., Toledo 6, Ohio ADAMS, Roland H. 1604 S. E. 18th St. Mineral Wells, Texas ADAMS, S. L. (G) Joseph E. Seagram & Sons, Inc. Seventh St. Rd., Louisville 1, Ky. ADAMSTON FLAT GLASS DIV., ROLLAND GLASS CO. Box 631, Clarksburg, W. Va. ADCOCK, Albert S. (WI) American-Standard 40 W. 40th St., New York 18, N. Y. ADCOCK, Lawrence W., Jr. (LI) 1547 Empire Rd., Wickliffe, Ohio (Clevite Electronic Components Corp.) ADDERLEY, James R. 42 Church St., Brierley Hill S. Stafford, England (E. J. & J. Pearson Ltd.) ADERHOLD, George H. (W) Saxonburg Ceramics, Box 100 Saxonburg, Pa. ADLER, Arthur (R) 69-49 Utopia Pky., Flushing 65, N. Y. (Alloy Metal Powders, Inc.) AERONCA MANUFACTURING CORP. (Joseph Bayer) 1712 Germantown Rd. Middletown, Ohio AFFLERBACH, Harry (E) R.R. 4, Frankfort, Ind. (Ingram-Richardson, Inc.) AFRANGE, Omar D. C. Wheaton do Brasil S. A. C. Postal 1461, Sao Paulo, Brazil A. G. DER GERRESHEIMER GLASHUTTENWERKE (L. Breuer) Dusseldorf-Gerresheim, Germany AGRON, Albert M. (E) Pfaudler-Permutit, Inc. Taylor St., Elyria, Ohio AGUILAR, L. M. (E) Ferro Enamel de Mexico, S. A. Calle Oriente 171, No. 450 Mexico 14, D. F., Mexico AHEARN, V. P. (M) National Industrial Sand Assn. Munsey Bldg., Washington 4, D. C. AKAM, J. W. (S) Natco Clay Products, Ltd. Aldershot, Ont., Canada AKRON PORCELAIN CO. (F. W. Butler) Akron 14, Ohio ALBERS, Ronald R. Iowa State College 2402 Friley Hall, Ames, Iowa ALBERS-SCHOENBERG, Ernst (LF) 13-B-3 Redfield Village Metuchen, N. J. (General Ceramics Corp.) ALBERT, Joseph (W) 1868 Windemere Dr., N. E., Atlanta, Ga. (Lockheed Aircraft Corp.) ALBERTALLI, Stephen L. (G) Coming Glass Works, Harrodsburg, Ky. ALBON, Derek (R) Saskatchewan Clay Products Box 970, Estevan, Sask., Canada ALBRECHT, Ernst Keramische Fachschule Hoehr-Grenzhausen/b. Koblenz, Germany ALCOCK, Ronald H. "Ferrum" Espaa 402--600, Avellaneda Buenos Aires, Argentina (Ferrum, S. A. de Ceramica y Metalurgia) ALDEN, Charles E. (G) 3427 Heather Downs Blvd. Toledo 14, Ohio (Owens-Illinois) ALELUIA, Joao C. F. Av. Araujo E. Silva 59 Aveiro, Portugal (Fabricas Aleluia) ALENIUS, Carl Axel Sandviksgatan 2 F 24 Helsingfors, Finland (OY. Rastor AB) ALEXANDER, A. E. (W) Buchanan Apts. 8-D 155 E. 47th St., New York 17, N. Y. (A. E. Alexander Research Co., Inc.) ALEXANDER, John B. (M) Southwestern Portland Cement Co. 1034 Wiishire Blvd. Los Angeles 17, Calif. ALEXANDER, John M. (MI) Swindell-Dressler Corp. Box 1888, Pittsburgh, Pa. ALGEMENE VERENIGING VOOR De NEDERLANDSE AARDEWERK EN GLASINDUSTRIE (W. J. Bollen) Haagweg 139, Rijswijk, Netherlands ALLARDICE, James B. (R) A. P. Green Fire Brick Co. 2004 Clark Bldg., Pittsburgh 22, Pa. ALLEN, Alfred W. (RF) Ceramic Engineering Dept. University of Illinois, Urbana, 111. ALLEN, Gerald L. 1818 Diamond St., San Diego 9, Calif. ALLEN, Ralph D. (W) 892 Danwood Rd., Mansfield, Ohio (Ingersoll-Humphryes Div., Borg-Warner Corp.) {o; 37, No. 10 (1958) Roster 1 ALLEN, Richard L. (RI) E. J. Lavino & Co., Box 365 Newark, Calif. ALLEN, Robert D. (B) 2421 S. Mayflower Ave. Monrovia, Calif. (Jet Propulsion Lab.) ALLEN, Robert G. (R) Robert G. Allen Co., Box 110 Mechanicville, N. Y. ALLEN, Walter C. (B) Radio Corp. of America Chemical & Physical Lab. 415 S. Fifth St., Harrison, N. J. ALLEN, Warren W,, Jr. (S) Hydraulic Press Brick Co. Box 7786, Cleveland 31, Ohio ALLIANCE WARE, LTD. (N. G. Hodgson) Box 550, Vancouver, B. C., Canada ALLIS, Deo G., Jr. (R) 2947 Elsie Ave., Toledo 13, Ohio (Libbey-Owens-Ford Glass Co.) ALLISON, Adrian G. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio ALLMAN, Orin H. (G) Kimble Glass Co. Owens-Illinois Technical Center 1700 N. Westwood Ave., Toledo 1, Ohio ALLMON, Gerald W. Missouri School of Mines Apt. U-5, Rolla, Mo. ALT, Leslie R. (SFI) 141 Mattos Dr., Fremont, Calif. (Kraftile Co.) ALTEMOSE, Earl R. Box 123, Brockway, Pa. ALTMANN, Berton G. (B) 1600 S. Main St., Milpitas, Calif. (Kaiser Aluminum & Chemical Corp.) ALTON BRICK CO. (Morris P. Hall) Box 25, Maryland Heights, Mo. ALTSCHULER, Otto (W) 271 Hawthorne Ave., Langhorne, Pa. (Wenczel Tile Co.) ALUMINIUM LIMITED SALES, INC. (R. M. Mathieson) 630 Fifth Ave. New York 20, N. Y. ALUMINUM CO. OF AMERICA (H. P. Bonebrake) 1501 Alcoa Bldg. Pittsburgh 19. Pa. AMERICAN COLLOID CO. (Paul Bechtner) 5100 Suflield Ct., Skokie. 111. AMERICAN CYANAMID CO. (H. C. Milton) 30 Rockefeller Plaza, New York, N. Y. AMERICAN ENCAUSTIC TILING CO., INC. (John A. Slyh) 1000 N. Cannon Ave., Lansdale. Pa. AMERICAN FELDMUEHLE CORP. (Rudolf F. Wild) 11 W. 42nd St., New York 36. X. Y. AMERICAN GAS ASSOCIATION (C. G. Segeler) 420 Lexington Ave. New York 17, N. Y. AMERICAN LAVA CORP. (R. A. McGinnis) Cherokee Blvd. & Mfgrs. Rd. Chattanooga 5, Tenn. AMERICAN NEPHELINE LTD. (H. R. Deeth) 25 King St. W,, Rm. 2530 Toronto 1, Ont., Canada AMERICAN OPTICAL CO. (A. H. Bennett) Research Center, Southbridge, Mass. AMERICAN PORCELAIN ENAMEL CO. (Robert Long, Sr.) 1285 E. Keating Ave. Muskegon 36, Mich. AMERICAN POTASH & CHEMICAL CORP. (R. M. Curts) 99 Park Ave., New York, N. Y. AMERICAN RADIATOR & STANDARD SANITARY CORP. (James S. Goodman) 834 E. Broadway Louisville 4, Ky. 2 R oster AMERICAN-SAINT GOBAIN CORP. (A. S. Crandon) 2000 Farmers Bank Bldg. Pittsburgh 22, Pa. AMERICAN SMELTING & . REFINING CO. (S. J. Dickinson) South Plainfield, N. J. AMES, R. N. (Rl) 10718 S. Morgan St., Chicago 43, 111. (U. S. Steel Corp.) AMES, Robert G. (W) 69 Jefferson Ave., Cresskill, N. J. (B. G. Corp.) AMMERMAN, J. H. (RI) 140 Glenfield Dr. Crescent Hills, Pittsburgh 35, Pa. (North American Refractories Co.) ANCHOR HOCKING GLASS CORP. (William V. Fisher) Lancaster, Ohio ANCIZAR-SORDO, Jorge Laboratorio Quimico Nacional Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia ANDERSON, David O. Box 1351, Alfred, N. Y. ANDERSON, E. P. (R) Charles Engelhard, Inc. 850 Passaic Ave., East Newark, N. J. ANDERSON. Harlan U. 2319 Grant St., Apt. 2 Berkeley 3, Calif. ANDERSON, Harry L. (RI) ' Republic Steel Corp. Youngstown 1, Ohio ANDERSON, Herbert H. (G) 207 W. 65th St. Terrace, N. Kansas City 16, Mo. (Gustin-Bacon Mfg. Co.) ANDERSON, Orson L. (G) Bell Telephone Labs.. Murray Hill. N. J. ANDERSON, Raymond H., Jr. Box 2560, Virginia Tech. Sta. Blacksburg, Va. ANDERSON, R. E. (W) Robertson Mfg. Co., Box 848 Trenton 5, N. J. ANDERSON, R. H. (S) Robinson Clay Product Co., Box 545 Dover, Ohio ANDERSON, Richard C. University of Illinois Ceramics Dept., Urbana. 111. ANDERSON. Robert R. (R) 185 Cynthia Dr., Pleasant Hill, Calif. (Gladding, McBean & Co.) ANDERSON. Rupert C. (W) 630 Whistler Dr., Rochester, Pa. (Mayer China Co.) ANDERSON. Scott (G) Anderson Physical Laboratory 609 S. Sixth St., Champaign, 111. ANDERSON, Thomas O. 1715 Maryland Ave., Durham. N. C. ANDERSON, William B. (E) Titanium Pigment Corp.. I ll Broadwav New York 6, N. Y. ANDERSON, William B. Lowrvs, S. C. ANDERSON, Yngve R. (S) Cooksville Co. Ltd. Cooksville, Ont., Canada ANDREASEN, A. H. M. (Honorary) Oster Voldgade 10 Copenhagen K., Denmark (Royal Danish Technical University) ANDREWS. Andrew I. (EFI) University of Illinois 204 Ceramics Bldg., Urbana, 111. ANDREWS, Clifford M. Ferro Enamel S. A., Caixa Postal 2948 Sao Paulo, Brazil ANDREWS, Ray (G) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. ANTAKI, Emile Ferrum S. A. de Ceramica & Metalurgia Espaa 402/600 Avellaneda, Argentina ANTHONY, Benjamin F. (R) Jig Ferro Engineering Div. ~|g| Oglebay Norton Co. Box 6508, Cleveland 1, Ohio ; |f | ANTHONY, George H. (K) 'W . 41 Marion Dr., Poland 14, Ohio yS (Youngstown Sheet fit Tube Co.) ANTHONY, Harry L., I ll (R) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. - - ;iy ANTUNEZ, Florencio (G) _ Cervecera Moctezuma, S. A. y.' Fabrica de Botellas 'y Apartado Postal 198 7 Orizaba, Ver., Mexico - ANTUNEZ de MAYOLO, Santiago E. \ Industria Nacional Cermica y Anexos Casilla Postal 845, Lima, Peru ANWYL, Robert H. (S) 500 S. Fourth St. Clinton, Okla. (Kaul Clay Mfg. Co.) ARANGO, G. Botero Balboa 63-13, Medellin, Colombia (Cristalera Peldar S. A.) ARCHBOLD, Walter H,, Jr. (MI) 663 General Scott Rd., Wayne, Pa. (Exolon Co.) ARCHER, James E. (B) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. ARCHIBALD, W. A. British Iron & Steel Research Assn. 140 Battersea Park Rd. London, S. W. 11. England ARCHIE, Chad L. (S) Archie Structural Products Co. P. O. Drawer 312, Corinth, Miss. ARCHIE, Chad L,, Jr. (S) Archie Structural Products Co. P. O. Drawer 312, Corinth, Miss. ARENBERG, C. Arne (B) Armour Research Foundation Technology Center, Chicago 16, III. d'ARGENTEUIL, Comte L. de Meeus N. V. Ceramique Maastricht Postbus 103, Maastricht, Netherlands ARGILAS e MINERIOS INDUSTRIAIS "AREMINA" S. A. (Tze-Ching Chin) Rua Barao de Jaguara 1024-1030 Sao Paulo, Brazil ARIES, Robert S. (R) 77 South St., Stamford, Conn. (R. S. Aries & Associates) ARKETEX CERAMIC CORP. (George W. Shoemaker) 6 N. Walnut St., Brazil, Ind. ARLETT, Robert H. (WJ) Rutgers, The State University School of Ceramics New Brunswick, N. J. ARMCO STEEL CORP. (R. S. Burns) Research Library, Middletown, Ohio ARM1STEAD, \V. H. (GF) Corning Glass Works Research & Development Div. Corning. X. Y. ARMSTRONG CORK CO. (E. C. Emanuel) Research & Development Center Lancaster, Pa. ARMSTRONG, Leland R. (RI) 27 Morgan Ave., Washington, Pa. (Findlay Clay Products Co.) ARNER, William J. (G) 1607 Watova Rd., Toledo 14, Ohio (Libbey-Owens-Ford Glass Co.) ARNEY, D. Michael Box 95, York, N. Y. ARNOLD, Howard C. (EFI) 76 Standish Blvd., Pittsburgh 28, Pa. (Federal Enameling & Stamping Co.) ARNOLD, Robert M. (L) Arnold Engineering Co., Marengo, 111. ARNOLD, Russell E. (SF) Box E, E. Akron Station Akron 5, Ohio (Robinson Gay Product Co.) - Ceramic Bulletin .RNOLD, Thomas M. (WI) Red Wing Potteries, Inc. Red Wing, Minn. RRANCE, Frank C. (WI) Coors Porcelain Co., Golden, Colo. .RRANDALE, Roy S. (G) gtcher Glass Mfg. Co., Inc. Grand Central Ave., Elmira, N. Y. __ F, George (E) Quadrangle Mfg. Co., 32 S. Peoria St. Chicago 7, 111. .RSEM, William C. (B) 6405 Maiden Lane, Bethesda 14, Md. (Consultant) iRTHUR, Edwin P. (G) 3110 Las Faldas Dr., Fullerton, Calif. (Beckman Instruments, Inc.) ,RTHUR, Reuben B,, Jr. 801-C Daniels St., Raleigh, N. C. vRWINE, A. S. (R) Refractory & Insulation Corp Port Kennedy, Pa. ,SHER, John W. (G) Box 382, Corning, N. Y. (Corning Glass Works) ASHWORTH, GEORGE L. & BROTHERS. LTD. (W. Gordon Evans) Broad Street Works Hanley, Stoke-on-Trent, England tSQUITH, Milton Redfearn Brothers, Ltd. Monk Bretton Glassworks Barnsley, England YSSOCIACAO BRASILEIRA DE CERAMICA Praca Coronel Fernando Prestes. 110 (Edificio do I.P.T.) Sao Paulo, Brazil \TWELL, George D., Jr. (S) Bickerstaff Brick Co. Box 1178, Columbus, Ga. VUDA, Daniel K. 4677 41st N. E., Seattle 5. Wash. V)UUEtKR, *Konrad F. ^ k tgststtal, Kt. Glarus, Switzerland Iklkfabrik Netstal Ag.) 'Alfred S. (E) CChhiicc;ago Vitreous Corp. 1425 S. 55th Ct., Cicero 50, 111. UJLT, Neil N. (BI) Norton Co., 1 New Bond St. Worcester 6, Mass. V.USKERN, Allan (B) Westinghouse Atomic Power Div. Box 1468, Pittsburgh 30, Pa. \USTENAL, INC. (R. C. Feagin), Box 625. Dover, N. J. MJSTERMAN, Stanley B. (B) 7006 Andasol Ave., Van Nuys, Calif. (Atomics International) UJSTIN, Arthur O. (W) Box 109, Barberton, Ohio (A. O. Austin, Inc.) AUSTIN, Charles E. fS > Consolidated Brick Co. Horseheads. N. Y. UJSTIN, Chester R. (RFI) Kaiser Engineers Steel Plants Development Dept. 1924 Broadway--Kaiser Bldg. Oakland 12, Calif. UJSTIN, Garth F. (R) 76 E. Second St.. Corning^ N. Y. (Corning Glass Works) VUSTIN, James Bliss (BF) United States Steel Corp. Rm. 2401, 525 William Penn PI. Pittsburgh 30, Pa. AUSTIN, Lewis M. (G) 2334 Middlesex Dr., Toledo 6, Ohio (Owens-Illinois) , Orvella 196, Brockway, Pa. , Robert C. Box 196, Brockway, Pa. AVRIL, Jack J. 8804 Frances Foison Rd., S.W. Tacoma 99, Wash. Vol. 37, No. 10 (1958) AYDELOTT, Elliott C. (SFI) Waverly, Pa. -(International Salt Co.) AYERS, John W. (M) National Lead Co., Box 1467 Charleston 25, W. Vh. AZEVEDO, Marcello R. V. de (I) Caixa Postal 2818, Sao Paulo, Brazil (Ceramica Sanitaria I'orcelite S/A) B BAAB, Kenneth A. (RFI) Bethlehem Steel Co., Research Dept. Bethlehem, Pa. BAAK. Tryggve (G) University of Toledo Institute of Silicate Research Toledo 6. Ohio BAARSON, Robert E. (M) Armour Chemical Div. Flotation Research Section 1355 W. 31st St., Chicago 9, 111 BABA, Paul D. 358 Pennington St., Elizabeth 2, N. J. BABB. James P. Elgin Standard Brick Mfg. Co. Elgin. Texas BABCOCK, Clarence L. (GF) 1718 Potomac, Toledo 7, Ohio (Owens-Illinois) BABCOCK, M. G. (G) 618 Kenilworth Dr., Pittsburgh 34. Pa. (Pittsburgh Plate Glass Co.) BABCOCK, Paul R. (WI) Frenchtown Porcelain Co. Frenchtown, N. J. BABCOCK. Richard R. (G) Armstrong Cork Co. Box 150, Millville, N. J. BABCOCK & WILCOX CO. (J. E. Brinckerhoff) 161 E. 42nd St.. New York 17, N. Y. BACH, William E,, Jr. (M) 7712 Fontana Prairie Village 15, Kans. (Aluminum Co. of America) BACHMAN, Charles D. (G) 200 Shelburne Rd., R. R. 2 Millville, N. J. (Armstrong Cork Co.) BACHMAN, George S. (L) Redfield Village 16B 3, Metuchen, N. J. (General Ceramics Corp.) BACHMAN, James R. (R) 1401 Meridian Rd., San Jose 25. Calif. (Kaiser Aluminum & Chemical Corp.) BACHMAN, Wheeler Carr (W) Box 231, Wheeling, W. Va. (Carr China Co.) BACON, Frank R. (GF) 3153 Darlington Rd.. Toledo 6. Ohio (Owens-Illinois) BADGER, Alfred E. (GF) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BAGBY, Richard A. (L) R. R. 5, Salem, Ind. (Ferro Powdered Metals) BAGLEY, Norman H. (W) 206 Central Ave., Caldwell, N. J. (Bell Telephone Laboratories, Inc.) BAILEY, Floyd (El) 840 S. Sixth Ave., Kankakee, 111. (A. O. Smith Corp.) BAILEY, Henry R,, Jr. (M) Golding-Keene Co. 226 Main St., Keene. N. H. BAILEY, James (GF) 95 Steele Rd., West Hanford 7, Conn (Plax Corp.) BAILEY, Joseph T. 105 Sunset Ave., Clemson, S. C. BAILEY, Richard J. Doulton Fine China Ltd. Royal Doulton Potteries Burslem, Stoke-on-Trent, England : Honorary Msmbers of : The American Ceramic Society A. H. M. Andreasen F rederick Carder Arthur L. Day J esse T. Littleton F rank H. R iddle Samuel R. Scholes R obert B. Sosman : Charles W. T homas : V . E. S. T urner Arthur S. Watts Past Presidents of The American Ceramic Society Arthur S. Watts H omer F. Staley F rank H. R iddle E. Ward Tillotson R obert L. Clare M acDonald C. Booze George A. Bole Emerson P. P oste ' J ohn C. H ostetter ' F rancis C. Flint : R obert B. Sosman Victor Y. K elsey : Andrew I. Andrews J ohn L. Carruthers J esse T. Littleton Louis J. T rostel i E dwin H. F ritz ! J ames E. H ansen ; J ohn D. Sullivan ; J ohn W. Whittemore H obart M. Kraner ; J. W. H epplewhite j H. R. Lillie | W. E. Cramer j R. R. Danielson R ay W. P afford R obert T wells i Karl Schwartzwalder i J ohn F. McM ahon i BAIN, Andrew R. The Whins, 34 Park Terrace Stirling, Scotland (John G. Stein & Co. Ltd.) BAIR, George J. (GFI) Technical Products Division Corning Glass Works, Corning, N. Y. BAKER, Arvid H. (G) 300 Catlin Ave., Port Allegany, Pa. (Pittsburgh Corning Corp.) BAKER, Burton E. (R) 2317 Poplar Rd., Baltimore 7, Md. (General Refractories Co.) BAKER, Daniel R. 606 W. Columbia, Champaign, III. BAKER, D. Martin (W) 1025 Gardner Blvd., Barberton, Ohio (Ohio Brass Co.) BAKER, Houston R. (G) 122 Wilson Ave., Lancaster, Ohio (Sharp-Schurtz Co.) BAKER, Robert J., Jr. 1104 W. Stoughton, Urbana, 111. BAKER, Robert L. (G) 46 Highland Ave., Wellsville, N. Y. (Air Preheater Corp.) BAKER, Theodore C. (G) R. R. 1, Box 36, Wayne, Ohio (Owens-Illinois) BAKKEN, A. C., Jr. (M) Aluminum Co. of America 1880 Elmwood Ave., Buffalo 7, N. Y. BALDAUF, Earl E. (WI) Flamingo Tile Corp., Box 112 Lake Wales, Fla. R oster 3 BALDRY, Stanley F. T. ERG Industrial Corp. Ltd. 18 Manchester St., London W.l, England . BALDWIN, W. J. (L) Titanium Alloy Mfg. Div., National Lead Co., Box C Bridge Station, Niagara Falls, N. Y. BALINA, Marcelo O. C.A.P.E.A. Lanus--KM 7 C Gral. Belgrano Buenos Aires, Argentina BALINKIN, Isay (W) University of Cincinnati Cincinnati 21, Ohio BALINT, Louis J. (B) 14185 Story Rd., San Jose 27, Calif. (Kaiser Aluminum & Chemical Corp.) BALL, Albert L. (R) Bay State Abrasive Products Co. Westboro, Mass. BALL BROTHERS CO., INC. (R. Arthur Gaiser) 1509 S. Macedonia Ave., Muncie, Ind. BANDYOPADHYAY, Kumar K. Hindustan Steel Pvt. Ltd. Rourkella, Orissa, India BANERJEE, A. Behar Firebricks & Potteries Ltd. P. O. Mugma, Dist. Dhanbad, India BAQUE, Harold W. (GI) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. BARBA, Charles E. Jr. (M) Creek Rd., R. R. 1, Doylestown, Pa. (Harper Electric Furnace Corp.) BARBER, Fred O. (M) 788 Evening St., Worthington, Ohio (Harrop Ceramic Service Co.) BARBER, Stephen W. (G) Owens-Illinois 1700 N. Westwood Ave., Toledo 1, Ohio BARBOUR, David J. (WF) 251 E. Highland Dr., Zanesville, Ohio (Consultant) BARBRE, Norris H. (S) Hanley Co. One Gateway Center Pittsburgh 22, Pa. BARIUM REDUCTION CORP. (K. O. Priddy) South Charleston 3, W. Va. BARKER, Harry L. (W) R. R. 4, Salem, Ohio (O. Hommel Co.) BARLETT, Helen B. (BF) A C Spark Plug Div. General Motors Corp., Flint 2, Mich. BARNA, Gordon L. 2812 Eastgate, Concord, Calif. BARNARD, Leon M. 84 Meadowbrook Rd. West Hartford, Conn. BARNES, Harry H. (BI) Wah Chang Corp. Herbhill Rd.. Glen Cove, N. Y. BARNES, Wilson R. (R) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2. Ky. BARNEY, Ronald N. (B) 1331 Prospect Dr., Kynlyn Apts. Wilmington 3, Del. (E. I. du Pont de Nemours & Co.) BARON, Jean Laboratoire de Controle des Produits Refractaires 15, Place Carnot Nancy (Meurthe et Moselle) France BARR. Francis A. (B) 63 Forest Ave., Verona, N. J. (Synthetic Mica Co.) BARR, Harold N. (B) Martin Co., Nuclear Div. Mail W-711, Baltimore 3, Md. BARR, Harry (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Box 1843, Trenton 7, N. J. 4 R oster BARR, Robert A. (M) BATES, A. Allan (B) tJ Carborundum Co. Portland Cement Assn. '. y Perth Amboy, N. J. 33 W. Grand Ave., Chicago 10, 1U. BARR, Seymour J. (SI) BATES, Charles E. (S) . :g Shenandoah Brick & Tile Corp. 128 Walnut St., Brookville, Pa. Box 32, Winchester, Va. (Hanley Co.) A BTARRETT, E. L. (R) BATES, Frank O. (L) 4 Chas. Taylor Sons Co. 9227 Eighth Ave., Inglewood 4, Calif, South Shore, Ky. (Solar Manufacturing Corp.) BARRETT, Harvey N., Jr. (R) BATES, P. H. (Life, XF>- y 2233 St. James Parkway 1620 Seventh St., N., St. Petersburg, Fla Cleveland Heights, Ohio BATES, W. S. (R) `; (Basic, Inc.) Spectrochemical Labs., Inc. BARRETT, Maurice (Life) 8350 Frankstown Ave. , 8 Oxcliffe Rd. Pittsburgh 21, Pa. Morecambe and Heysham, England BATESON, H. Marshall BARRETT, Robert C. (S) 68 Spring Grove Chemical Products Corp. Loughton, Essex, England Box 815, Cartersville, Ga. (Thermos, Ltd.) BARRETT, Wayne E. (S) BATESON, Sydney (G) 1127 20th St., West Des Moines, Iowa Duplate Canada Ltd. (Oskaloosa Clay Products Co.) Oshawa, Ont., Canada BARROWS PORCELAIN ENAMEL BATRUK, Stanley J., Jr. (S) CORP. (Woodrow Carpenter) New Jersey Zinc Co. Langdon Rd. & Penn R. R. 160 Front St., New York 38, N. Y. Cincinnati 13, Ohio BATTISTA, George BART, Ronald K. 422 Llnion Ave., Mamaroneck, N. Y. 503 W. Washington, Champaign, 111. BAUER, Paul (R) BARTA, Rudolf 1722 N. Bend Rd., Cincinnati 24, Ohio Chemical-Technological University (General Electric Co.) Hradcany, Micurinova 5 BAUER, Richard F. Praha 6, Czechoslovakia 8105 W. Hampton Ave. BARTHOLOMEW, George A. (S) Milwaukee 18, Wise. United States Steel Corp. BAUER, Richard M. (M) 525 William Penn Place, Rm. 2210 Edgemere Dr., Matawan, N. J. Pittsburgh 30, Pa. (Atlantic Tile Mfg. Co.) BARTHOLOMEW, George L. (LJ) BAUER, Wolf G. (S) 4230 Lewiston Rd. 5622 Seaview Ave., Seattle 7, Wash. Niagara Falls, N. Y. (Consulting Engineer) (Carborundum Co.) BAUGHMAN, J. P. (E) BARTLETT-COLLINS CO. Dow Chemical Co. (Harrison I. Bartlett) Box 519 Box K, Plant B, Boiler Shop Sapulpa, Okla. Freeport, Texas BARTLETT, E. E. (G) BAULEKE, Maynard P. (W) 4387 Boca Chica Blvd. University of Kansas Brownsville, Texas State Geological Survey (Bartlett-Collins Co.) Lawrence, Kans. BARTLETT, Harlan A. (S) BAL'M, Frederick J., Jr. (B) B-F-I Industries, Inc. E. I. du Pont de Nemours & Co., Inc. 314 Allegheny River Blvd. Experimental Sta., Central Res. Dept. Oakmont, Pa. Wilmington, Del. BARTLETT, Harrison I. (G) BAUM, Joseph W. (G) Bartlett-Collins Co., Box 519 200 Highland Ave., Rensselaer, N. Y. Sapulpa, Okla. (Sterling-Winthrop Research Inst.) BARTON, Donald E. S. BAUMANN. Henry N,, Jr. (BFI) G. F. K. Refractories Ltd. Box 6, Ephrata, Wash. 49 Moorgate, London E. C. 2, England (Carborundum Co.) BARTON, James E. BAUMER, Leon N. (R) Box 312, Taylors, S. C. 240 Rockingham Rd., Pittsburgh 38, Pa. BARZAGHI, Luciano (Mellon Institute) Ceramica Sao Caetano Rua Roa Vista, 133-4 andar Caixa Postal 278, Sao Paulo, Brazil BAUMLER, Karl (G) Pittsburgh Corning Corp. Sedalia, Mo. BASIC, INC. (H. C. Lee) 845 Hanna Bldg., Cleveland 15, Ohio BAUSCH & LOMB OPTICAL CO. (Norbert J. Kreidl) BASKIN, Yehuda (B) Rochester 2, N. Y. Armour Research Foundation Ceramics Dept., 10 W. 35th St. Chicago 16, 111. BAXTER. Allen J. (G) 115 Palm Dr., Greenville, Ohio (Corning Glass Works) BASS, N. W. (R) Brush Beryllium Co., 4301 Perkins Ave. BAYER, Gerhard Hinteregg, Zurich, Switzerland Cleveland 3, Ohio (Owens-Illinois) BASSETT, Leon B. (B) BAYER, Joseph (E) Box 284, Alfred, N. Y. Aeronca Manufacturing Corp. (State University of New York, 1712 Germantown Rd. College of Ceramics) Middletown, Ohio BASSETT, Ray E. (S) BAYLES. Allison L. (M) Acme Brick Co., Box 425 Allison L. Bayles & Associates Fort Worth 1, Texas 713 St. James St.. Pittsburgh 32, Pa. BASSETT, Robert (S) BAY STATE ABRASIVE Central Commercial Co. PRODUCTS CO. Darlington, Beaver County, Pa. (O. S. Buckner) Westboro, Mass. BASSETT, William L. (E) BAZEMORE, W. Carl (R) 3970 Goldfinch Ave., Apt. 12 Owens-Coming Fiberglas Corp. San Diego 3, Calif. Newark, Ohio (Narmco Industries, Inc.) BEALS, M. Douglas (BI) BATEMAN, L. A. (E) 104 Forest Rd., Fanwood, N. J. Eljer Co., Enamel-Ware Div. (Titanium Alloy Mfg. Div., Salem, Ohio National Lead Co.) Ceramic Bulletin EALS, Robert J. (WI) University of Illinois 204 Ceramics Bldg., Urbana, 111. EAM, James R. (WFI) 300 Ruth Ave., Mansfield, Ohio ' (Ceramic Engineering Service) E ^ D , Clinton L. (LI) ^^^e-Union, Inc., 900 E. Keefe Ave. ^^^w aukee 12, Wise. E^^TOEN, James M. 7249 S. Ridgeland Ave. Chicago 49, 111. EARDSLEY, Clinton J. (W) 666 E. Findlay St., Carey, Ohio (Porcelain Products, Inc.) EASLEY, Dennis R. (G) R. 4-Bx38B-Suncrest Lk. Addn. Morgantown, W. Va. (Beaumont Co.) EASLEY, Robert M. (B) Horizons, Inc. 2905 E. 79th. Cleveland 4, Ohio EASLEY, William D. Johnson Brothers (Hanley) Ltd. Stoke-on-Trent, England EATHARD, Robert K. (W) General Tile Co., Box 38 El Segundo, Calif. EAVER, Wallace W. (M) Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3, Ohio :EAZELL, William H. (G) American Window Glass Div. American-Saint Gobain Corp. Arnold, Pa. EBBINGTON, Philip J. (R) 30 Exeter St., Morris Plains, N. J. (Austenal, Inc.) :ECHT.\ER, Paul (M) American Colloid Co. 5100 Suffield Ct., Skokie, 111. 1ECK, Carl W. (B) Indiana University, Dept, of Geology Bloomiington, Ind. w m;1EECK, Elmer W. (M) nie Supply Co., Crooksville, Ohio Howard (M) Engineering Corp. Bear Hill Rd., Waltham, Mass. SECK, Warren R. (B) Minnesota Mining & Mfg. Co. 444 McKnight Rd., St. Paul 6, Minn. 1ECKEMEYER, Harry J. (W) 6 W. Garfield Ave., New Castle, Pa. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) !ECKER, Bruce N. (G) 629 New Holland Ave., Lancaster, Pa. (Radio Corp. of America) ECKER, Martin G. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. ECKER, Walter D. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. IECKLEY, Don A. 2175 San Miguel Dr. Walnut Creek, Calif. 1EDELL, Henry A. (M) Bel-Ray Co., Inc. Green Village Rd., Madison, N. J. EEBE. Donald R. (RJ) 12126 S. Perry Ave., Chicago 28, III. (Harbison-Walker Refractories Co.) EECHER, Milton F. (RFI) 50 Woodland Rd., Holden, Mass. (Norton Co.) EELER, L. S. (W) Reynolds Metals Co. Richmond 18, Va. 3EERMAN, Henry P. (L) Radiation Electronics Corp. LI N. Kimball Ave., Skokie. 111. Roland F. (B) , Wx 1019, Troy, N. Y. ) (Roland F. Beers. Inc.) 3EETON, Earl E. (GT) 1604 Lincoln St.. Bethlehem, Pa. ?. .(Western Electric Co.) - /Li 37, No. 10 (1958) BEGGEROW, 2/Lt. Charles W. A03083516, Student Mail Rm. Box 5453, Harlingen AFB, Texas BEGIEN, Virginia American Ceramic Society 4055 N. High St. . Columbus 14, Ohio BEHAR FIREBRICKS & POTTERIES LTD. (A. Banerjee) P. O. Mugma, Dist. Dhanbad, India BEHRINGER, H. L. (G) Tygart Valley Glass Co. Washington, Pa. BEINLICH, Alfred W. (R) 3404 19th Ave., Sheffield, Ala. (Tennessee Valley Authority) BEINLICH, Justus J. (R) United States Steel Corp., Room 2421 525 William Penn Place Pittsburgh 30, Pa. BELANDRES, Constante Philippine Bureau of Mines Herran St., Manila, Philippines BELKOWSKI, Arthur V. (W) 454 Convery Blvd. Perth Amboy, N. J. (New Jersey Porcelain Co.) BELL, Clarence D. (WJ) 722)4 Beatty Ave., Cambridge, Ohio (Champion Spark Plug Co.) BELL, Kenneth E. (S) 348 Laasse St., Apt. 12 Eastview, Ont., Canada (Ottawa Brick & Terra Cotta Co., Ltd.) BELL, Richard (M) Bell Clay Co., Gleason, Tenn. BELLAMY, L. B. (R) Abrasive & Metal Products Co. 729 Meldrum Ave., Detroit 7, Mich. BELLE, Jack (B) Westinghouse Electric Corp. Atomic Power Div., Bettis Field Box 1468, Pittsburgh 30. Pa. BELLI DO, Bartolom Darnis Director Gerente de M E R S A Lugones (Oviedo), Spain BELOW, Henry (W) Pennsbury Pottery, Morrisville, Pa. BENBENEK, Raymond (SI) Ottawa Brick, Ltd. Ottawa, Ont., Canada BENDER, John H. (R) Denver Fire Clay Co.. Box 5510 Denver 17, Colo. BENEDICT, Virginia American Ceramic Society 4055 N. High St., Columbus 14, Ohio BENNER, Stanley G. (E) Johns-Manville Research Center Manville, N. J. BENNETT, A.^H. (G) American Optical Co., Research Center Southbridge, Mass. BENNETT, A. Lee (SFI) 1830 Las Flores Dr., Glendale, Calif. (Pacific Clay Products) BENNETT, Dwight G. (EFI) 204 Ceramics Bldg. University of Illinois, Urbana, 111. BENNETT, Frederick R. (R) Box 325, Hartsville, S. C. (Carolina Refractories Co.) BENNETT, Marvin (W) 6435 Eastwood St. Philadelphia 49. Pa. (I-T-E Circuit Breaker Co.) BENNETT, Myles P. (BI) 6552 N. Oldham Lane San Gabriel, Calif. (Gladding, McBean & Co.) BENNETT, Philip M. (W) R. R. 1, Box 234, Bound Brook, N. J. (Robertson Tile Co.) BENNETT, Russell B. 28663 John Rd. Madison Heights, Mich. BENNETT, Thomas H. . Box 731, Georgia Tech. Sta. Atlanta, Ga. o BENNETT, Walter R. (S) Acme Brick Co., Millsap, Texas BENSON, Edward (R) New Departure Div. General Motors Corp., Bristol, Conn. BENTON, Kenneth R. 207 N. Blount St., Raleigh, N. C. BENTON, Marion L. (R) Mid-West Abrasive Co. 510 S. Washington St. Owosso, Mich. BENTZ, George B. (M) National Plumbing Pottery, Inc. City Park & Thurman Aves. Columbus 6, Ohio BENZEL, James F. (BJ) c/o John W. Stokes, Stockbridge, Ga. (Ferro Corp.) BERG, Kenneth M. (R) Food Machinery & Chemical Corp. 161 E. 42nd St., New York 17, N. Y. BERG, Morris (B) 315 Pleasure Rd., Lancaster, Pa. (Radio Corp. of America) BERGER, Donald F. (G) 210 Benjamin Rd. North Madison, Ohio (Diamond Alkali Co.) BERGERON, Clifton G. (El) University of Illinois Dept, of Ceramic Engineering Urbana, III. BERG-IVERSEN, Wiggo A/S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (LI) 3621 W. Howard St., Skokie, 111. (Ohmite Mfg. Co.) BERNARDINI, Guy F. (W) Box 19, R. R. 1, Latrobe, Pa. (Carborundum Co.) BERNER, Warren E. 222 Capen Blvd., Snvder 26, N. Y. BERNS, Milton H. (MF) 249 Charlotte Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Cop.) BERRY, Henry T. (J) Tinsley Park Refractories Ltd. Tinsley Park Rd., Sheffield 9, England BERRY, Thomas F. (B) 527 34th St., Union City, N. J. (Radio Corp. of America) BERSEY, Herbert P. (R) Whittaker, Clark & Daniels, Inc. 260 W. Broadwav, New York, N. Y. BESSE, Richard W. (W) Onondaga Pottery Co., 2900 Court St. Syracuse. N. Y. BESSEY, George E. Chalk Lime & Allied Industries Research Association, 30a Church St. Welwyn, Herts. England BEST, Edison F. (G) Libbey-Owens-Ford Glass Co 1701 E. Broadwav, Toledo 5. Ohio BESTHOFF, Anthony W. (GJ) Faesy & Besthoff. Inc. 23-25 E. 26th St., New York, N. Y. BESTUL. Alden B. (B) 5121 Newport Ave. Washington 16, D. C. /National Bureau of Standards) BETHLEHEM STEEL CO. (Hobart M. Kraner) Bethlehem, Pa. BETTISON, L. S. (S) Chambers Brothers Co. 52nd & Media St.. Philadelphia 31, Pa BETZ. George C. (WFI) Metal & Thermit Corp. 100 Park Ave.. New York 17. N. Y. BEVERIDGE, Colin M., Jr. 1458 88th Ave., Oakland 21, Calif. BEVIS. Ralph E. (El) 1815 N. Park Blvd. Cleveland Heights 6. Ohio (Ferro Corp.) BEYER, George I. (E) Hall Ave., St. Marys, Pa. (Pure Carbon Co.) R oster 5 1EYER, Raymond H. (L) Robin Rd., Dix Hills Huntington, L. I., N. Y. (Servo Corp. of America) 1EZBORODKO, David (G) Mechanical Mirror Works, Inc. ^1-663 Edgecombe Ave. York 32, N. Y. .^ drp. Heilman, III), 321 Broad Ave. Ridgefield, N. J. 1HALLA, Amrit K. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. JICKFORD, Fred A. (G) Box 29, R.R. 2, Campbell, N. Y. (Corning Glass Works) JIDDLE, George J. (R) 208 S. LaSalle St., Chicago 4, 111. (Illinois Clay Products Co.) IDDULPH, Albert 11 Holden Rd. Wolverhampton, England (Ferro Enamels Ltd.) HELAWSKI. Chester A. (B) 2353 W. Seventh St. Cleveland 13, Ohio (Brush Bervllium Co.) 5IELER, Barrie H. (R) 3280 Otis St., Wheat Ridge, Colo. (Dow Chemical Co.) 5IELSTEIN, Hans O. (R) Aeronautical Research Lab. (WCLJL) Metallurgy Research Branch WADC, Wright-Patterson AFB, Ohio ILLHEIMER,. John E. (WJ) Higbwood, Easton Ave. New Brunswick, N. J. (Mitcbell-Bissell Co.) 3ILLIAN, Carroll J. (G) Owens-Illinois General Research Div. 1700 N. Westwood Ave., Toledo 1, Ohio 1IONDI, Joe 35 E. 71st St. k Angeles 1, Calif. I Raymond E. (RFI) irbison-Walker Refractories Co. 307 Fifth Ave., Pittsburgh 22, Pa. HRSE, Alexander L. :: : John G. Stein & Co., Ltd. Bonnybridge, Scotland HSHAY, Adli (G) Westminster College, Chemistry Dept. Fulton, Mo. 3ISHOP, Frederic L. (GF) Kimble Glass Co. Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio SH O P, George J,, ITT (S) Columbia Brick & Tile Co. Box 3207, Columbia, S. C. SHO P, Harold E. (G) ' Owens-Coming Fiberglas Corp. Anderson, S. C. 3ISHOP, Laverne R. (R) Aluminum Co. of America 3300 Missouri Ave., East St. Louis, 111. SSELL, Don W., Jr. (RI) 703 Green St., Rockton, III. : (Ipsen Ceramics Inc.) SSET, Ronald W. (W) - Aluminium Limited Sales, Inc. 630 Fifth Ave., New York 20, N. Y. HOTLINE, Walter A. (GJ) ' Pittsburgh Plate Glass Co. ' Creighton, Pa. ITTENCOURT, Paulo R. / 29 Southbrook Dr., Rolla, Mo. XBY, Henry D. (S) Central Commercial Co. flington, Beaver County, Pa. H. R. (G) firwmble Glass Co. **/ 1700 N. Westwood Ave., Toledo, Ohio &ACKBURN, A. Reif (MI) fef204 N. State St., Westerville, Ohio ifeCR3am7,, NInoc..) 10 (1958) BLACKMAR, Robert J. Box 1038, Alfred, N. Y. BLACKWOOD, James M. (RI) 'Marion & Barbara Sts. Parkhurst Apts. 5-D, Bethlehem, Pa. (Bethlehem Steel Go.) BLAES, Henry M., II (B) 12926 Danbrook Dr., Whittier, Calif. (North American Aviation, Inc.) BLAHA, Emil (R) 415 Ashmead Rd., Cheltenham, Pa. (Selas Corp. of America) BLAIR, Gerald E. . 5667 Palmyra Rd., Pittsford, N. Y. BLAIR, G. Richard (B) Argilla Rd., Ipswich, Mass. (McMillan Lab., Inc.) BLAIR, Marion W. (SF) 2131 S. Center St., Terre Haute, Ind. (Manufacturers Equipment Co.) BLAIR, William H. (M) 3936 Bryn Mawr Dr., Dallas, Texas (O. Hommel Co.) BLAISON, Pierre Socit deSjElectrodes & Rfractaires' "Savoie" 16, Rue de Monceau, Paris 8*. France BLAKE, Walter T. (M) C. W. Brabender Instruments, Inc. 50 E. Wesley St. South Hackensack, N. J. BLAKE, William V. (RI) Macklin Abrasive Co., Jackson, Mich. BLAKELY, Alexander M. (B) Precision Grinding Wheel Co., Inc. 8301 Torresdale Ave. Philadelphia 36, Pa. BLANCHARD, M. Kenneth (E) A. O. Smith Con>., 3533 N. 27th St. Milwaukee 1, Wise. BLANDFORD, Joseph B., Jr. 134 Aberdeen Dr., Greenville, S. C. BLAU, Henry H. (GFI) Federal Glass Co., 515 E. Innis Ave. Columbus 7, Ohio BLAZE, Joseph E., Jr. 419 W. Market St., Alliance, Ohio BLAZOVIC, Phil, Jr. (M) 3286 Western Ave. Highland Park, 111. (Consolidated Feldspar Dept. International Minerals & Chem. Corp.) BLECHEISEN, J. (M) Rosiclare Lead & Fluorspar Mining Co. Rosiclare, III. BLENKO, William Henry, Jr. (G) 501 Fourth St., Milton, W. Va. '(Blenko Glass Co., Inc.) BLESSING, Robert Lee (SI) 1714 Crestwood Dr. Mineral Wells, Texas (Texas Vitrified Pipe Co.) BLISS, Roderick T. (S) 35 E. Center St., Nesquehoning. Pa. (Deister Concentrator Co.) BLITON, Jerald L. (RJ) 4842 University Ct. Niagara Falls, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) BLOCKSIDGE, Arthur B,, Jr. (R) Jones & Laughlin Steel Corp. 40 Longworth St., Pittsburgh 7, Pa. BLODGETT, William E. (L) Westinghouse Electric Corp. 7325 Penn Ave., Pittsburgh 8, Pa. BLOME, James C. 229 S. Pennsylvania Ave. Belleville. 111. BLOOM. Ray A. (R) Technical Library Timken Roller Bearing Co. Canton 6, Ohio BLOORE, Robert Boulton Swinnertons, Ltd. Hanley, Stoke-cfn-Trent, England BLUE RIDGE GLASS DIV., AMERICAN-SAINT GOBAIN CORP, (J. H. Lewis) Kinsport, Tenn. BLUM, Seymour (LI) Raytheon Manufacturing Co. Research Div. Waltham, Mass. BLUME, Arthur J. (SI) Murray Tile Co., Cloverport, Ky. BLUMER, Fridolin (D) Lane Gate Rd. Cold Spring, Putnam Co., N. Y. (Commercial Decal, Inc.) BLUNT, Royden A. (GF) Buck Glass Co., 841 E. Fort Ave. Baltimore 30, Md. BLYTHE COLOUR WORKS, LTD. Cresswell, Stoke-on-Trent, England BOARDMAN, Charlotte K. (R) Thomas A. Edison, Inc. 51 Lakeside Ave., West Orange, N. J. BOBROWSKY, A. R. (R) 28 Ridgedale Ave. Florham Park, N. J. (Nuclear Corp. of America) BOEKER, V. W. (GI) Owens-Corning Fiberglas Corp. 598 Madison Ave., New York 22, N. Y. BOGATAY, Paul (D) 45 W. Weisheimer Rd. Columbus 14, Ohio (Ohio State University) BOGNAR, Edw-in J. (RI) Bognar & Co., Inc. 2306 First National Bank Bldg. Pittsburgh 22, Pa. BOHL1NG, William C. 2336 Norton Dr., Augusta, Ga. BOHN, Edward L. (R) Mullite Works, Refr. Div. H. K. Porter Co., Inc. 185 Canal St., Shelton, Conn. BOLANOVICH, Melvin (S) 1324 Whitacre Dr., Clearwater, Fla. BOLE, Georg* A. (XF) Engineering Experiment Station Ohio State University Columbus 10, Ohio BOLES, Sara J. Masonic Sanitarium, Bettendorf, Iowa BOLIN, William J. (W) American Zinc Sales Co. Box 327, Columbus 16, Ohio BOLINGER, Phillip N. 2247 Grasmere Ave. Columbus 11, Ohio BOLLEN, W. J. Algemene Vereniging voor de Kederlandse, Aardewerk en Glasindustrie, Haagweg 139 Rijswijk, Netherlands BOLLINGER, Robert H. (MI) Georgia Kaolin Co., 433 N. Broad St Elizabeth 3, N. J. BOLON, David G. (RI) 5525 E. 81st St. Indianapolis. 20, Ind. (Manufacturers' Representative) BOLTON, Hairy L. (R) Philadelphia Quartz Co. Public Ledger Bldg. Independence Square Philadelphia 6, Pa. BOLZ, Leonard H. (B) National Bureau of Standards, Div. 9: 7 Conn. Ave. & Van Ness Washington 25, D. C. BONDS, Barbara C. R. R. 1, Box 205, Jonesboro. Ga. BONEBRAKE, H. P. (M) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. BONNOT CO. (B. T. Bonnot) 722 Mulberry Rd., S. E., Canton 2, Ohio BONNOT, B. T. (MF) Bonnot Co., 722 Mulberry Rd., S. E. Canton 2, Ohio R oster 7 3 0 NSTEIN, Thomas E. (W) Paper Makers Importing Co., Inc. . 44 S. Second St., Easton, Pa. 3 0 0 N E , Frank H. (G) 411 Anawanda Ave., Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) John F. klehead Hall, Penistone, Nr. Sheffield effield, York, England (Hepworth Iron Co., Ltd.) 3 0 0 Y , Emmy C. Box 1462, Alfred, N. Y. 300Z E , M. C. (RFI) Box 31, Pebble Beach, Calif. (Consultant) 30PP, Charles D. (B) 620 W. Vanderbilt Dr. Oak Ridge, Tenn. (Oak Ridge National Lab.) 30PP, Harold F. (GF) 67 Gorton St., Corning, N. Y. (Corning Glass Works) 30QLTST, Carl W. (B) 7505 Howard Ave., Hammond, Ind. (Armour Research Foundation) 30R0FSKY, Arnold J. (R) 9 Sylvester Dr., Framingham, Mass. (Fenwal, Inc.) 30R0S, John (WI) Pacific Tile & Porcelain Co. 7716 E. Olive St., Paramount, Calif. 30R R E L L 0, Giuseppe Cornigliano, Piazza Dante 7 Genova, Italy 30SCH, F. M. Lab. Anorganisch-Tech. & Electro chemie 22 Plateaustraat, Ghent, Belgium 30SLER, Krell (W) 1000 Yorkwood Dr., Mansfield, Ohio (Ingersoll-Humphryes Div. Borg-Warner Corp.) 30TFIELD, George B. (R) Botffiieelld Refractories Co. anson & Clymer Sts. ____ lladelphia 47, Pa. REFRACTORIES CO. TGeorge B. Botfield) Swanson & Clymer Sts. Philadelphia 47, Pa. 30TH, Eberhard (L) 1505 S. Wanamassa Dr. Asbury Park, N. J. fU. S. Armv Signal Corps) 30THE, James V. (G) 3 Pyrex St., Coming, N. Y. (Coming Glass Works) 30UDER, Norman M., Jr. (G) 2437 Lakewood Rd. Baltimore 14, Md. (Pemco Corp.) 30VEE, Benedict A. (M) 1837 Winter Rd. Grand Island, R.F.D., N. Y. (Harper Electric Furnace Corp.) 30WDEN, James J. (B) Bowfiux Co., Box 65, Cortland, Ohio 30WEN ENGINEERING, INC. (Joseph J. Quinn, Jr.) North Branch, N. J. 30WERS, Donald J. (B) 950 Highland Dr., Columbus 21. Ohio (Battelle Memorial Institute) OWMAN, Donald C. (E) 579 S. Craig PI., Lombard. 111. (Chicago Vitreous Corp.) IOWMAN, D. Scott (M) Carborundum Co., Refractories Div. Globar Plant, Box 339 Niagara Falls, N. Y. 30WMANr Eugene D. (G) 7 Carolwood Ave. umbus 13. Ohio rmble Glass Co.) AN, George A. 402 E. Armory, Champaign, 111. 30WMAN, James A. : Georgia Kaolin Co., Research Dept. .Dry Branch,-Ga. 0 . 37, No. 10 (1958) BOWMAN, John G. (W) 341 S. Juliana St., Bedford, Pa. BOWMAN, Robert R. (R) Harbison-Walker Refractories Co. 609 Jackson Bldg., Buffalo 2, N. Y. BOWNE, Martin S. (SI) Lee Clay Products Co., Inc. Clearfield, Ky. BOYCE, Joseph (M) Box 754, Beaver Falls, Pa. BOYCE, Robert E. (W) Harker Pottery Co. East Liverpool, Ohio BOYD, Charles E. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. R. R. 2, Box 170, Canonsburg. Pa. BOYD, Frank H. (M) S. G. Frantz Co., Inc. Box 1138, Trenton 6, N. J. BOYD, John E. (MI) ' Box 2414, Greensboro, N. C. (Carolina Pyrophyllite Co.) BOYD, L. R., Jr. (S) Teague Brick & Tile Co., Box 329 Teague, Texas BOYD, Robert C. (EFI) American Standard, 1541 S. Seventh St. Louisville 8, Ky. BOYD, William W. (W) 11528--39th N. E,, Seattle 55, Wash. (J. R. Simplot Co.) BOYLES, John P. (W) Edwin M. Knowles China Co. Newell, W. Va. BOYNTON, Claudia G. (DF) Boynton Associates 56 E. Bellevue PI., Chicago 11, 111. BOYNTON, Robert S. (X) National Lime Assn. 925 ISth St. N. W. Washington 5. D. C. BOZZO, J. G. (G) Pierce Glass Co.. Railroad Ave. Port Allegany, Pa. BRACKBILL. Charles E. (L) R. R. 1, Shreve, Ohio (Diamonite Products Mfg. Co.) BRADDY, John E. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio BRADEN, Roger W. (MI) Hammond Lead Products Box 912, Hammond, Ind. BRADEN, William E. P.O. Box 444, Tokyo, Japan (Ferro Corp.) BRADFORD, Virgil E. (WI) University of Illinois 204 Ceramics Bldg., Urbana, 111. BRADLEY, Alan L. Cullinan Refractories Ltd. P. O. Olifantsfontein Transvaal, South Africa BRADLEY, Charles A., Jr. (G) Pinewood Acres, R. R. 2 Corning, N. Y. (Corning Glass Works) BRADLEY, Fennimore N. (LI) 3804 142nd PI., S. E. Bellevue, Wash. (Lockheed Aircraft Corp.) BRADLEY. Richard S. (RFI) A. P. Green Fire Brick Co. 1018 E. Breckenridge St. Mexico. Mo. BRADLEY, Robert E. 3002 Pine Needle Rd., Augusta, Ga. BRADSTREET, Samuel W. (E) Armour Research Foundation 10 W. 35th St., Chicago 16, 111. BRADWELL, Cyril (RI) Parkhurst Apts. 7B Barbara & Marion Sts., Bethlehem, Pa. (Bethlehem Steel Co.) BRADY, Earl (S) Box 522. Waskom, Texas (Acme Brick Co.) . BRADY, John G. iB) Dept, of Mines & Technical Surveys Ceramic Section, 40 Lydia St. Ottawa, Ont., Canada BRADY, Justin M. (M) 1320 N. Delaware, Apt. 604 Indianapolis, Ind. (American Art Clay Co.) BRADY, T. E. (R) Surface Combustion Corp. 2375 Dorr St., Toledo 1, Ohio BRAIN, Douglas G. (W) 1960 Jane St. Toronto 15, Ont., Canada (American Standard Products) BRAMLETT, William P., Jr. (GI) Cumberland Rd., R.R. 2, Millville, N. J. (Armstrong Cork Co.) BRAND, Robert C. (G) Dominion Minerals Div. Riverton Lime & Stone Co. Piney River, Va. BRANDES, Eric A. Fulmer Research Institute Ltd. Stoke Poges, Bucks, England BRANDT, Kristian H. (B) 1076 Karesh Ave., Pomona, Calif. (Convair) BRANDT, Martha W. (G) National Class Budget 916 Empire Bldg., Pittsburgh 22, Pa. BRANDT, Neill M. (G) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BRANDT, William O. (RFI) Denver Fire Clay Co. Box 5510, Denver 17, Colo. BRANSTETTER, Paul C. (R) A. P. Green Fire Brick Co. Box 277, Sulphur Springs, Texas BRANT, Arthur M. (R) 156 Hampden Park Dr., Tiffin, Ohio (Basic, Inc.) BRANT, David G. (RI) 39 Valley View, Tiffin, Ohio (Basic, Inc.) BRASHARES, C. A. (R) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. BRASSFIELD, Henry C. (B) R.R. 1, Stevens Rd., Foster, Ohio (General Electric Co.) BRATSCHUN, William R. University of Illinois 204 Ceramics Bldg., Urbana, III. BRAUN, Gary A. (RJ) 11104 S. Ave. B, Chicago 17, 111. (Harbison-Walker Refractories Co.) BRAY, A. C., Jr. (S) Western Clay Manufacturing Co. Box 176, Helena, Mont. BRAY, Kenneth J. (W) Wenczel Tile Co. Klag & Enterprise Ave. Trenton. N. J. BRAYKOVICH, A. F. (W) 205 Francis Marion Dr. Spartanburg, S. C. (Kohler Co.) Brasilian Ceramic Society--see Associocao Brasileira de Ceramica BRECK, Donald W. (B) Linde Air Products Co. E. Park Dr. & Woodward Ave. Tonawanda. N. Y. BREDERO'S BOUWBEDRIJF N. V. .(E. M. Theissing) Kanaaldijk 22 Utrecht, Holland BREEDLOVE, James G. (BI) 955 Signal Rd. Signal Mountain, Tenn. (American Lava Corp.) BREENE, George A. (G) Industrial Colloids Co. Drawer M, Emlenton, Pa. BREITWIESER. Robert H. (R) 1608 Bunker Hill Rd.. Pueblo. Colo. (Standard Fire Brick Co.) R oste* '9 , BREMNER, Robert P. (G) BROCKWAY, M. Clifford (B) : T. L. Smith Co., 2835 N. 32nd St. 2661 Medary Ave., Columbus 2, Ohio - ` Milwaukee, Wise. - (Battelle Memorial Institute) 'BRENNAN, Joe L. BRODIE, William T. (W) 195 Tenth St., N. W., Atlanta, Ga. R. R. 3, Kittanning, Pa. BRENNER, Harold M. (E) (Eljer Co.) * B. F. Drakenfeld & Co., Inc. BROOKOVER, George B. (G) ^ ^ ^ B B ox 519, Washington, Pa. 3735 Maxwell Rd., Toledo 13, Ohio /^ fE N N E R , R. F. (GF) (Kimble Glass Co.) 417 Lake St., Lancaster, Ohio BROOKS, Marion E. (S) (Anchor Hocking Glass Corp.) Bickerstaff, Inc. BRESLICH, Francis N,, Jr. Box 1178, Columbus, Ga. 3908 14th Ave., S., Seattle 8, Wash. BROOKS, Merton H. (L) BRETZ, L. A. (S) Titanium Alloy Mfg. Div. - 1718 Theodan Dr., Pittsburgh 16, Pa. National Lead Co., Box C (NATCO Corp.) Bridge Sta., Niagara Falls, X. Y. BREUER, L. BROOKS, Robert H. (W) A. G. der Gerresheimer 1738 Pavilion Dr., Pomona, Calif. ' Glashuttenwerke (Norris-Thermador Corp.) ` Dusseldorf-Gerresheim, Germany BROSIUS, John P , (G) BREWER, Bob (S) 403 Emerson Ave., Aspinwall Alamo Clay Products Co., Inc. Pittsburgh 15, Pa. Box 93, Elmendorf, Texas (Krieg Piston Ring Co.) BREWSTER, Gordon F. (G) BROSKE, William F. (B) : 807 Ridge Road E., Williamson, N. Y. AMP Inc., Research Div. . (Bausch & Lomb Optical Co.) 425 Prince St., Harrisburg, Pa. BRIAN, Charles (B) BROWER, William S,, Jr. (W) Paper Makers Importing Co., Inc. National Bureau of Standards, 44 S. Second St., Easton, Pa. Div. 9.0 BRIAN, Dick (W) 422 Florida Ave., Chester, W. Va. (Harshaw Chemical Co.) -BRIAN, S. Douglas (M) S. Paper Makers Importing Co., Inc. - 44 S. Second St., Easton, Pa. BRICK, Robert M. (G) Continental Can Co. 7622 S. Racine Ave., Chicago 20, 111. Washington 25, D. C. BROWN, Arthur E. (LJ) 245 Spring St., Red Bank, N. J. (U. S. Army Signal Corps) BROWN, C. Justus, Jr. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BROWN, Clarence B,, Jr. (M) Hardinge Co., Inc., York, Pa. BROWN, Colin C. (G) . >,|RICKHOUSE, Robert E. (R) 21 Medbury Ave., Cuba, N. Y. 206 Fairlawn Blvd., Zelienople, Pa. (Cuba Cheese & Trading Co.) 'S p -- (Johns-Manville) BROWN, Donald Nicol (G) JBRIGGS MANUFACTURING CO. 4 E. Third St., Corning, N. Y. (A. J. Raible) 415 W. Seymour Ave. (Corning Glass Works) Cincinnati 16, Ohio BROWN, Donovan P. (RI) IGHAM, Ralph V., Jr. (WI) 2704 Eldon Ave., Drexel Hill, Pa. IOnondaga Pottery Co. (North American Refractories Co.) 1858 W. Fayette St., Syracuse 1, N. Y. BROWN, Dwight R. (W) RIGHT, Norman F. H. (B) 5 Edgewood Lane, Levittown, Pa. JiVV- Dept, of Mines & Technical Surveys (Trenton Potteries Co.) 552 Booth St., Ottawa, Ont., Canada BROWN, Edward L. (GJ) ;|BRINCKERHOFF, J. E. (R) 810 Pennsylvania Ave. Babcock & Wilcox Co. Miami Beach, Fla. 161 E. 42nd St., New York 17, N. Y. BROWN, Fielding (L) y !BRINDLEY, George W. (B) Sl'T: Dept, of Ceramic Technology Vifc ,: Pennsylvania State University University Park, Pa. BRISBANE, S. M. 40 Riverdale Rd., Hawthorn E2 Victoria, Australia (Commonwealth Scientific & Industrial Sprague Electric Co. North Adams, Mass. BROWN, George L. (M) 27 S. VanDien Ave., Ridgewood, N. J. (Lithium Corp. of America, Inc.) BROWN, George Reuben (M) North American Mfg. Co. 4455 E. 71st St.. Cleveland 5, Ohio 1. Research Organization) BROWN, John J., Jr. (SI) \BRISTOW, Robert H. (LI) : 4 Sequoia Rd., R. R. 1 Redford Brick Co., 12th & Maury St. Richmond, Va. ; Ballston Lake, N. Y. BROWN, Joseph A. (S) (General Electric Co.) Baltimore Brick Co. BRITCHER, Gordon (W) 3200 E. Madison St.. Baltimore 5, Md. Ay. 306 Berkeley Dr., Syracuse 10, N. Y. BROWN, Lawrence II. (WFI) (Syracuse Pottery, Inc.) 14500 N. W. Sixth Ave., Miami 68, Fla. t BRITISH CERAMIC SOCIETY (Consultant) (Geiald H. Stewart) BROWN, Leslie (W) Federation House Lenox, Inc. Stoke-on-Trent, England 50 Meade St., Trenton 5, N. J. |J?R ITT A 1N , Clifford G. (RJ) BROWN, Meredith C. (S) S`"t ju,`: Zero Autumn St., Worcester, Mass. ; ' (Norton Co.) 609 N. Friends Ave. Whittier, Calif. (Consultant) .. SR1TTON, Marvin G. (R) BROWN, Raymond J. (XI) 121 Hornby Dr., Painted Post, N. Y. Ceramic Age, Ninth-Chester Bldg. " jP ' (Corning Glass Works) Cleveland 14, Ohio iROCK , Thomas W. (B) BROWN, Robert W. (R) . Owens-Illinois 806 S. 56th St., West Allis 14, Wise. 11700 N. Westwood Ave. (Thiem Products, Inc.) *Toledo 7, Ohio IOCKMAN, Frank G. (L) BROWN, Roy W. (R) Carborundum Co., Refractories Div. ( Philips Laboratories Box 268, Perth Amboy, N. J. Irvington-on-Hudson, N. Y. BROWN, Sherwood F. IR o c k w a y GLASS CO., INC. 27 Johnson Hgts., Waterville, Me. (F. B. Hess) Brockway, Pa. &37, No. 10 (1958) BROWN, Wilbur F. (GF) Libbey-Owens-Ford Glass Co. Rossford, Ohio BROWN, William E. (R) Box 217, R.R. 1, Norristown, Pa. (E. J. Lavino & Co.) BROWN, W. Richard (LJ) 8 N. Gilmore Blvd. Wappingers Falls, N. Y. (IBM Corp.) BROWNE, Charles M. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BROWNE, Thomas C. (RI) 2115 Orchard Dr. South Plainfield, N. J. (Titanium Div., National Lead Co.) BROWNELL, Wayne E. (SI) State University of New York College of Ceramics, at Alfred Univ. Alfred, N. Y. BROWNEWELL, George E. (R) Diamond Alkali Co. 4701 Paddock Rd., Cincinnati 29, Ohio BROWNFIELD, Lyman Brownfield & Malone 50 W. Gay St., Columbus, Ohio BROWNING, William C. (B) Milwhite Mud Sales Co. 1092 M & M Bldg., Houston 1, Texas BRUCHMANN, Helmut (W) Haeger Potteries, Inc., Dundee, 111. BRUEGGERHOFF, Charles (R) Mexican Zinc Co., N. Rosita Coahuila, Mexico BRUNNER, Cedric D. (W) 106 W. Union, Rockton, 111. (Ipsen Ceramics, Inc.) BRUNO, Lucien V. (S) Guignard Brick Works Box 546, West Columbia, S. C. BRUSH, George D. (SI) Harrop Ceramic Service Co. 35 E. Gay St., Room 413 Columbus 15, Ohio BRYANT, Eugene E. (EFI) Ferro Corp., 4150 E. 56th St Cleveland 5, Ohio BRYCE, Homer L. (S) Henderson Clay Products, Box 870 Henderson, Texas BUCHAN, M. A. (RI) A. P. Green Fire Brick Co. Troy, Idaho BUCK, Forrest W,, Jr. (E) 35 Broad St., Park Manor Apt. E-S Toms River, N. J. BUCK GLASS CO. (Royden A. Blunt) 841 E. Fort Ave., Baltimore 30, Md. BUCK, Ivan E., Jr. (E) 1025 Park Ave., Plainfield, N. J. (Westinghouse Electric Corp.) BUCK, Robert W. Box 2248, Georgia Tech. Sta. Atlanta, Ga. BUCKLES, Paul E. (MI) 442 Taylor St., Zanesville, Ohio (Donald Hagar Ceramic Materials) BUCKLEY, Edward D. (B) Champion Spark Plug Co. 900 Upton Ave., Toledo 1, Ohio BUCKLEY, Michael J. Reed St., Geneva, N. Y. BUCKNER, Dean A. (B) 3125 Dewey Ave., Rochester 16, N. Y. (Bausch & Lomb Optical Co.) BUCKNER, O. S. (GI) Bay State Abrasive Products Co. Westboro, Mass. BUEGE, Robert H. (L) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. BUEHLER, Bert P. (S) 5155 Warner Rd. Garfield Heights, Ohio (Cleveland Builders Supply Co.) BUESSEM. W. R. (L) Pennsylvania State University College of Mineral Industries University Park, Pa. R oster 11 BUFFALO CHINA, INC. (R. E. Gould), 75 Hayes Place Buffalo 10, N. y. BUGOSH, John (R) E. I. du Pont de Nemours & Co. Grasselli Chemicals Dept. Experimental Sta., Wilmington, Del. Ld e r s BRICK CO. *R. C. Houlahan) 3800 Ninth Ave., S., Seattle 8, Wash. BULKLEY, Ronald (B) Socony Mobil Oil Co., Inc. Research & Development Lab. Paulsboro, N. J. BULLARD, Edward R. (E) B. F. Drakenfeld & Co., Inc. Washington, Pa. BULLOCK, Donald J. (W) AC Spark Plug Div. General Motors Corp. 1300 N. Dort Hwy., Flint 2, Mich. BULLOCK, Gordon University of Birmingham Dept, of Physical Metallurgy Edgbaston, Birmingham 15, England BUNAG, Miss Milagros M. Graduate Women's Residence 542 George St., New Brunswick, N. J. BUNGE, Fred H. (M) M. A. Hanna Co., Research Lab. Hibbing, Minn. BURCH, Oscar G. (GF) Owens-Illinois Box 1035, Toledo 1, Ohio BURCHENAL, Charles H. (W) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio BURCHFIEL, B. M. (RFI) 4458 Rosewood PI., Riverside, Calif. (Pacific Clay Products) BURCHFIELD, Paul E. (G) Wyandotte Chemicals Corp. 1609 Biddle Ave., Wyandotte, Mich. BURDICK, Milton D. (WFI) ^ _ N a tio n a I Bureau of Standards ^^^fcngineering Ceramics Section ^^^W ashington 25, D. C. b P DICK, Sidney D. (GI) 104 Argonne St., Corning, N. Y. (Corning Glass Works) BURGESS, Blandford C. (MF) R. R. 4, Box 80, Monticello, Ga. (Consultant) BURKE, J. E. (B) General Electric Co., Research Lab. Box 1088, Schenectady, N. Y. BURKE, L. Roger (R) 1203 Peoples Bank Bldg. Pittsburgh 22, Pa. (Chas. Taylor Sons Co.) BURKERT, John G., Jr. (MJI) 84 Green St., Valley Stream, N. Y. (Grumman Aircraft Engineering Corp.) BURKHALTER, Edward (SI) 7219 Interlaaken Dr. Tacoma 99, Wash. (Builders Brick Co.) BURKS, Cecil M. (RI) 705 Broadway, Steubenville, Ohio (Weirton Steel Co.) BURLEY, Frank N. (W) Sanitarios "El Aguila" S. A. Apartado 26808, Mexico 14, D. F. BURLEY, Newton Ray (W) 1864 Dresden Rd., Zanesville, Ohio (Burley Clay Products Co.) BURLINGAME, Howard G. (E) ; 16031 Francisquito Ave. . ' La Puente, Calif. ' (Vitrifinish, Inc.) ; BURN, Harold J. D. Jurn Fireclay Co. Ltd., Jesmond Rd. y. -iewcastle-upon-Tyne 2, England tBURNAND, Guy M. (Life) Messrs. Johnson, Matthey & Co., Ltd. 78, Hatton Garden | olL. o3n7d,onN, Eo.. C1.01,(1E9n5gl8a)nd BURNHAM, Forrest E. (W) 134 Pearsall Dr., Mount Vernon, N. Y. (Commercial Decal, Inc.) BURNS, Frederick L. (W) 400 Grandview Dr. Highland Village) Zanesville, Ohio (Fred Burns Ceramic Service) BURNS, Henry K., Jr. (S) 1620 Waverland Dr., Macon, Ga. (Burns Brick Co.) BURNS, Paul E. (W) R. R. 5, Graceland Rd. New Castle, Pa.- (O. Hommel Co.) BURNS, R. S. (E) Armco Steel Corp., Research Library Middletown, Ohio BURRISS, William K. (G) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Old Orchard Rd., Skokie, 111. BURROUGHS, F. H. (W) Box 1329, Trenton 7, N. J. (Star Porcelain Co.) BURROUGHS, Jack E,, Sr. (B) 2005 Milam St., Fort Worth 12, Texas (Convair) BURTON, Howard B. (G) 1618 Arlington Ave., St. Paul 17, Minn (Minnesota Mining & Mfg. Co.) BURWELL, John T,, Jr. (B) American Radiator & Standard Sanitarv Corp. 40 W. 40th St., New York 18, N. Y. BURWINKEL, Lawrence G., Jr. (G) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh 22, Pa. BUSH, James W. (SI) 1255 Cardinal Dr., Pittsburgh 16. Pa. (Natco Corp.) BUSH, Ralph R. (M) 520 McKinley St., North Canton, Ohio ''Bonnot Co.) BUSH, W. G., & CO. (John S. Herbert) 174 Third Ave., N., Nashville 3, Tenn. BUSHONG, R. M. (R) National Carbon Co. 3625 Highland Ave. Niagara Falls, N. Y. BUSSEY, Donald A. (R) Kaiser Aluminum & Chemical Corp. Refractories Plant Moss Landing, Calif. BUSTEED, Donald J. (WI) 8 Janet Circle, Shrewsbury, Mass. (Bay State Abrasive Products Co.) BUTCHER, L. H., CO. . (George J. Middleton) 3628 E. Olympic Blvd. Los Angeles 23, Calif. BUTKOVICH. Edward M. (R) 2848 E. 97th St,, Chicago 17, 111. (Muter Co.) BUTLER, C. Edward (BI) Crucible Steel Co. of America 234 Atwood St., Pittsburgh 13, Pa. BUTLER, F. W. (W) Akron Porcelain Co., Akron 14, Ohio BUTLER, Sidney R. Pennsylvania State University 305 D, Mineral Industries Bldg. University Park, Pa. BUTLER, Thomas J., Jr. (S) Box 279, Austin 62, Texas (Elgin-Butler Brick Co.) BUTTERFOSS, Bruce W. 142 Elderberry Dr., Levittown, Pa. BUTTERWORTH, William N. (G) General Refractories Co. 950 Leader Bldg., Cleveland 14, Ohio BUTTLE, Robert L. (L) 65 Greenbriar Dr. Williamsville 21, N. Y. (Speer Carbon Co.) BUTTON, Daniel D. (BJI) 3286 Dabney St., Altadena, Calif. (Jet Propulsion Lab.) BUXTON,.Juan C. Santa Clara 173, San Isidro Buenos Aires, Argentina (Ferrum, S. A.) BUZARD, Fred T. (M) Bell, Pine & High Sts. Plymouth, Ohio (Fate-Root-Heath Co.) BUZARD, William F. (M) Fate-Root-Heath Co. Plymouth, Ohio BYRNS, Alva C. (R) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland 12, Calif. BYRON, Julian K. 750 Fowler St., N. W., Atlanta, Ga. c CABAN ILLAS, Oscar Gonzalez (S) Puerto Rico Clay Products Corp. Box 4729, San Juan, Puerto Rico CABLE, John A. (W) 1443 Viola Pky. N. W., Canton 8, Ohio (United States Ceramic Tile Co.) CABLE, Margaret (DF) 1520 San Miguel Ave. Santa Barbara, Calif. CABLE, Stephen J. (W) 3720 Eaton, N.W., Canton 9, Ohio (United States Ceramic Tile Co.) CABOT, GODFREY L., INC. (Frank E. Daley) 46 Bayard St. Box 828, New Brunswick, N. J. CACCAMISE, Charles T. (B) Electro Metallurgical Co., 137 47th St. Niagara Falls, N. Y. CACCIOTTI, Joseph J. (B) 38 Illona Dr., Greenhills, Ohio General Electric Co.) CAHILL, Robert T. (R) Corning Glass Works, Corning, N. Y. CAHOON, Harold P. (S) Interstate Brick Co. 3100 S. 11th E., Salt Lake City, Utah CAHOON, John B,, Jr. (L) 673 S. Livermore Ave. Livermore, Calif. (University of California) CAIN, Robert W. (RI) Electro Metallurgical Co. Alloy, W. Va. CAITO, A. M. (RI) Basic, Inc. Maple Grove, P. O. Fostoria, Ohio CALA, Charles F. (G) 144 Hoover Rd., Rochester 17, N. Y. (Bausch & Lomb Optical Co.) CALABRESE, Donald W. 144-21 37th Ave., Flushing 54, N. Y. CALDWELL, Smiley, Jr. (G) R. R. 2, Vincennes, Ind. (Blackford Window Glass Co.) CALDWELL, Smiley M,, III (G) 300 Cove Ct., Clarksburg, W. Va. (Pittsburgh Plate Glass Co.) CALDWELL, William D. (El) Perfection Industries. Inc. 1135 Ivanhoe Rd., Cleveland 10. Ohio CALLAHAN, H. D. (WFI) United States Ceramic Tile Co. 217 Fourth N. E., Canton, Ohio CALLAHAN, Robert M. (W) 4553 Seville Ave. Los Angeles 58, Calif. (Solar Mfg. Corp.) CALLINAN, Edward E. (RFI) 1386 Spruce St. DeKalb Park, Norristown, Pa. (Alan Wood Steel Co.) CALVER, James L. (M) Virginia Div. of Mineral Resources Box 3667, University Sta. Charlottesville, Va. CAMERON, David G. (M) Haller, Inc., 16580 Northville Rd. Northville, Mich. CAMPBELL, C. V. (SI) 444 Florida Ave.. Chester. W. Va. (American Vitrified Products Co.) R oster 13 CAMPBELL, Edward S. (G) Northwestern Glass Co. 5801 E. Marginal Way Seattle 4, Wash. CAMPBELL, Frank, Jr. ^ ^ c / o L. E. Robison A o t 4, Connell, Wash. ^ ^ ^ P B E L L , G. Donald (G) ^ ^ ^ 2 1 Shelby St., Shelbyville, Ind. (Pittsburgh Plate Glass Co.) CAMPBELL, Ian (B) California Institute of Technology Div. of Geological Sciences 1201 E. California St. Pasadena 4, Calif. CAMPBELL, J. Douglas (W) Lithium Corp. of America, Inc. 540 Lincoln Bldg., 60 E. 42nd St. New York 17, N. Y. CAMPBELL, Robert M. (WFI) Box 1003, Alfred, N. Y. (State University of New York, College of Ceramics) CAMPBELL, Tom W. (R) Box 303, Poland, Ohio (Electro Refractories & Abrasives Corp.) CAMPBELL, Van E. (W) 363 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) CAMPBELL, William B. Box 3274, Georgia Tech. Sta. Atlanta 13, Ga. CAMPOS, F. Torres Fabrica Nacional de Vidrio, C. A. Box 1049, Caracas, Venezuela CANADIAN CERAMIC SOCIETY (Miss L. C. Keith), 49 Turner Rd. Toronto 10, Ont., Canada CANFIELD, J. J. (EF) 2909 Orlando Dr. Middletown 20, Ohio (Armco Steel Corp.) CANNING, Robert (G) .^MM )2 Fox Chapel Rd., Pittsburgh 38, Pa. ^^^H pittsburgh Plate Glass Co.) W i O N , John D. 2167 Highview Rd., S. W. ,. Atlanta 11, Ga. CAPEK, Raymond G. 2646 S. Clarence Ave., Berwyn, 111. CAPELLMAN, John J. (R) 1118 Highland St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) CAPORALI, Ronald R. R. 5, Butler, Pa. CAPPS. Wehster (G) National Bureau of Standards Washington 25. D. C. CARBORUNDUM CO. (Paul N. Gillon). Library 1-2 Niagara Falls. N. Y. CARDER, Frederick (Honorary, GF) Coming Glass Works Vycor Div.. Corning. N. Y. CAREY, J. Sheldon (D) Dept, of Design, University of Kansas Lawrence, Kans. CARIN I, George F. University of Missouri. Geology Dept. Swallow Hall, Rm. 12, Columbia, Mo. CARL, John E. (GI) Coming Glass Works. Greenville. Ohio CARLSON. Joseph A. (S) . SO Hawthorne St. , San Francisco 5, Calif. ' (Kraftile Co.) CARLSON, Robert H. (W) : 324 E. Maitland Lane, New Castle, Pa. ' J (Universal-Rundle Corp.l .CARLSON. William G. (RI) J7 5 Glenfield Dr.. Pittsburgh 35, Pa. Kestinghouse Electric Corp.l LYLE, Edward C. (S) |fcarlyle Tile Co. Box 128, Ironton. Ohio , gttMAN. Justice N. (L) ^C arm an Labs., Inc. Box 328, Bedford. Mass. 37, No. 10 (1958) CARNAHAN, Thomas D. (MI) B. F. Drakenfeld & Co., Inc. - Box 519, Washington, Pa. CARNES, Kenneth C. (G) Toledo Engineering Co., Inc. 3001 Sylvania Ave., Toledo 13, Ohio CARNIGLIA, Stephen C. (B) Atomics International Div., NAA 21600 Vanowen St. Canoga Park, Calif. CAROTHERS, Harry S. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio CAROTHERS, R. B. (MF) H. C. Spinks Clay Co., Inc. Box 829, Paris, Tenn. CAROTHERS, Richard B,, Jr. (M) H. C. Spinks Clay Co., Inc. Box 829, Paris, Tenn. CAROTHERS, T. E. (M) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. CARPENTER, F. Scott, Jr. (M) White Pigments Dept. Godfrey L. Cabot, Inc., 77 Franklin St. Boston 10, Mass. CARPENTER, Harry W. (R) Atomics International Box 309, Canoga Park, Calif. CARPENTER, R. M. (S) Kelsey Ferguson Brick Co. East Windsor Hill, Conn. CARPENTER, Woodrow (El Barrows Porcelain Enamel Corp. Langdon Rd. & Penn. R. R. Cincinnati 13, Ohio CARR-LOWREY GLASS CO. (Charles E. Lindsay) Kloman & Wenburn Sts. Baltimore 30, Md. CARR, Robert E. (G) 414 N. High St., Lancaster, Ohio (Anchor Hocking Glass Corp.) CARROLL, Jerry W. (W) 5339-A Newcastle Ave., Encino, Calif. CARROLL, William F. (WI) 3499 McNally Ave., Altadena, Calif. (Florence Ceramics Co.) CARRUTHERS. John L. (SFI) Lord Hall, Ohio State University Columbus 10, Ohio CARTER & CO. LTD. (William D. Cash-Reed) Poole. Dorset, England CARTER. David W. 1712 Mavfield Ave., Joliet, 111. CARTER. D. R. (M) , Eagle-Picher Co. American Bldg., Cincinnati 1, Ohio CARTER, F. B. (WI) Tiffin 12, Ohio (American-Standard Corp.) CARTER. George J. 10202 20th N.E., Seattle 55, Wash. CARTER, Gerard T. (W) Oakland St., R.R. 1, Box 11-A Mattapoisett. Mass. (Cornell-Dubilier Electric Corp.) CARTER. Herbert D. (WFI) 3351 Dorchester Rd. Shaker Heights 20. Ohio (Harshaw Chemical Co.) CARTER, John A. Box 517, Georgia Tech. Sta. Atlanta 13, Ga. CARTER, R. (B) General Electric Co.. Research Lab. Box 1088, Schenectady, N. Y. CARTER, Richard T. (R) Hitchiner Mfg. Co., Inc. Milford. N. H. CARTWRIGHT. S. V. (SI) 1224 Victoria Ave., Corona, Calif. (Jordan Tile Mfg. Co.) CARVLIN. George M., Jr. (R) Koppers Co., Inc., Koppers Bldg. Pittsburgh 19, Pa. CASAMO, Charles C. (G) Sylvania Electric Products, Inc. Emporium, Pa. CASE MANUFACTURING CORP. (Willard G. Young) 1000 W. Pine St.. Robinson, 111. CASHIN, William M. (B) 151 Mann Ave., Cohoes, N. Y. (General Electric Co.) CASH-REED, William D. Carter & Co. Ltd. Poole, Dorset, England CASPER, Richard L. Box 787, Alfred, N. Y. CASS, F. Richard (L) Lambertville Ceramic & Mfg. Co. Lambertville, N. J. CASSADY, Bert L. (R) 5115 S. Lewis Ave., Tulsa 15, Okla. CASTERLINE, Dale R. (MJ) 3897 W. 33rd St., Cleveland 9, Ohio (Ferro Corp.) CATON, Milton W. (RF) 22490 Nevada Ave., East Detroit, Mich. (Ceramic Div., Champion Spark Plug Co.) CAVANAUGH, Clifford E,, Jr. 1332 Porter St., Philadelphia 48, Pa. CAVANAUGH, D. J. (WI) 4221 Crestwood Dr., N. W. Canton 8, Ohio (United States Ceramic Tile Co.) CAYFORD, James M. (El) 1317 Ridge Ave., Steubenville, Ohio (Toronto Paperboard Co.) CBS-HYTRON (Arnold L. Magazine) 100 Endicott St., Danvers, Mass. CECIL, Gowan L. (W) Lone Star Ceramics Co. Box 14215, Dallas 34, Texas CENTRAL SILICA CO. (E. C. Sawyer) 806 Market St., Zanesville, Ohio CENTRE TECHNIQUE DES TUILES ET BRIQUES (Jacques Labansat) 23 rue de Cronstadt, Paris XV, France CERAMIC ASSOCIATION, JAPAN (Yogyo Kyokwai) No. 7, Shiba Nishikubosakura Gawa-Cho. Minato-Ku, Tokyo, Japan CERAMIC COLOR & CHEMICAL MFG. CO. (W. F. Wenning) Box 297. New Brighton. Pa. CERAMIQUE MAASTRICHT, N. V. (Comte L. de Meeus d'Argenteuil) Postbus 103, Maastricht, Netherlands CERMAK, Frank (WF) 1542 Union St., Schenectady 9, N. Y. CERMAK, George F. (B) Berkshire Chemicals, Inc. 4500 Euclid Ave., Cleveland 3. Ohio CERNY, Joseph J. (E) Resistors, Inc. 5226 W. 26th St., Chicago 50, 111. CERULLI, Nicholas F. 73 Forest Ave., Caldwell, N. J. CHADEYRON, A. A. G. Cleveland Magnesite & Refractory Co. Ltd. Normanby Brickworks, Normanbv Middlesbrough. York, England CHAMBERLAIN, James M. W. (W) U. S. Stoneware Co., Box 350 Akron 9, Ohio CHAMBERS, Fred (M) National Gypsum Co., Luckey, Ohio CHAMBERS, Gordon H. (M) Foote Mineral Co.. 18 W. Chelten Ave Philadelphia 44. Pa. CHAMPION SPARK PLUG CO. CERAMIC DIV. (James S. Owens) 8525 Butler Ave., Detroit 11. Mich. CHANTLER, L. W. (R) Standard Lime & Cement Co. Millville, W. Va. CHAPMAN, Alan T. 2063 Jane Ave., Columbus 19, Ohio R oster 15 CHAPMAN, Frank E., Jr. (El) . 1026 Middlesex Rd. Baltimore 21, Md. (Pemco Corp.) CHAPMAN, G. Marsh (W) Harshaw Chemical Co. 6265 Wiehe Rd., Cincinnati 13, Ohio [PPELL, Charles H. (R) National Carbon Co. 30 E. 42nd St., New York 17, N. Y. CHARBONNIER, William P. (Rl) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. CHARLAND, Tel L. (RI) 316 Elias Dr., Pittsburgh 35, Pa. (Westinghouse Electric Corp.) CHAGReLnEerSa,l REilechctarridc JC.o.(G) Research Lab., Box 1088 Schenectady, N. Y. CHARLTON, Alex E. (W) Photoceramics, Inc. 1060 W. Front St., Cincinnati 3. Ohio CHARTERS, Melvin L. 12 Marvin Ln., New Brunswick, N. J. CHARVAT, Fedia R. (B) Electro Metallurgical Co. Metals Research Labs. Box 580, Niagara Falls, N. Y. CHASE, Dana (EF) ' Dana Chase Publications Elmhurst National Bank Bldg. York St. at Park Ave., Elmhurst, 111. CHATTAHOOCHEE BRICK CO. (Paul M. Dark) Chattahoochee, Ga. " CHATTANOOGA GLASS CO. (Joe G. Venable) Chattanooga 10, Tenn. CHAUMEIL, Frederic S.O.V.I.R.E.L. Bagneaux s/Loing (S&M) France CHEMICAL PRODUCTS CORP. (Robert C. Barrett) Box 815, Cartersville, Ga. CHEN, Paul S. K. (L) 4712 Murray Hills Dr. Chattanooga 6, Tenn. (Heavy Minerals Co.) CHERNIACK, George B. (B) Electro Metallurgical Co. Metals Research Labs. 4625 Royal Ave., Niagara Falls, N. Y. CHESS, James S. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh. Pa. CHESTERS, John H. (F)' United Steel Companies Ltd. Research & Development Dept. "Swinden Laboratories," Moorgate Rotherham, Yorks, England CHICAGO POTTERY CO. (J. S. Clifford) 1920 Clybourn Ave. Chicago 14, 111. CHICAGO VITREOUS CORP. (Alfred S. Ault) 1425 S. 55th Ct., Cicero 50, 111. CHILCOTE, Joseph H. (R) 1907 16th St., N., Arlington 1, Va. (Bureau of Ships, Navy Dept.) CHILD, Henry C. Wm. Jessop & Sons Ltd. Research Labs., Whiston Grange Rotherham, Yorks, England CHILD, James L., Jr. (S) Hancock Brick & Tile Co., Box 450 Findlay, Ohio CHILDS, Clayton G. (B) 2257 N. York St., Owensboro, Ky. (General Electric Co.) CHILDS, Edwin E., Jr. (E l) 1604 Greenspring Dr., Lutherville, Md. (Martin Co.) ILDS, Gary D. (EJI) 126 Wilson Dr., Columbus, Ga. (U. S. Army) CHIN, Tze-Ching Argilas e Minerios i Industriis "Aremina" S. A. . Caixa Postal 6454, Sao Paulo, Brazil Vol. 37, No. 10 (1958) CHIOCHETTI, Vincent E. J. (G) 43 Monroe St., Honeoye Falls, N. Y. - (Bausch & Lomb Optical Co.) CHISHOLM, BOYD & WHITE CO. (Robert A. Ebersole) 610 W. 57th St. Chicago 21, 111. " CHISHOLM, Harry E. (R) 233 Brayton St., Fremont, Calif. (Westvaco Mineral Products Div. Food Machinery & Chemical Corp.) CHORMANN, O. I. (E) 195 Gregory Hill Rd. Rochester 20, `N. Y. CHOTHIA, Boman S. Wadia Bldg., 137 Queen's Rd. Bombay, India (British Hartford Fairmont Ltd.) CHOW, Donald 364 SM-2-A, Men's Residence Halls Champaign, 111. CHRISTENSEN, Ca'rl J. (B) University of Utah Salt Lake City 1, Utah CHRISTENSEN, Chr. Royal Copenhagen Porcelain Manufactory & The Faience Manufactory Aluminia Smallegade 45, Copenhagen F., Denmark CHRISTIE, Leonard D., Jr. (R) 38 West End Ave. Old Greenwich, Conn. (Babcock & Wilcox Co.) CHRISTMAN, Brian B. (W) 48 Norris Ave., Metuchen, N. J. (Richmond Plumbing Fixtures Div. Rheem Mfg. Co.) CHRISTMAN, C. E. (E) Federal Enameling & Stamping Co. Pittsburgh, Pa. CHRISTMAN, H. M. (RI) 1514 11th St., N.E., Massillon, Ohio (Massillon Refractories Co.) CHRISTOPHER, A. B. (S) Chambers Bros. Co., 52 & Media Philadelphia 31, Pa. CHU, Gordon P. K. (E) Pfaudler-Permutit, Inc. Research Lab. 1000 West Ave., Rochester 3, N. Y. CHUN, Lee 11 Magnolia Rd., Yau Yat Chuen Kowloon, Hong Kong (King Sing Ceramic Works) CHUTTER, George A. (L) Middle Haddam Rd., Portland, Conn. CIA. MEXICANA DE REFRACTARIOS A. P. GREEN, S. A. (H. Fetter) Apartado Postal 71 Bis, Mexico, D. F. CICHOWSKI, V. J. (E) ' Fusite Corp., 6000 Fernview Ave. Cincinnati 13, Ohio CINCINNATI MILLING PRODUCTS DIV., CINCINNATI MILLING MACHINE CO. (Philip O. Geier, Jr.) 4701 Marburg Ave., Cincinnati 9, Ohio CLAPPER, Gean P. Tabor, Iowa CLARE, Robert L. (MFI) 212 Rector St., Perth Amboy, N. J. CLARK, Alec W. Beatson, Clark & Co., Ltd. Rotherham, York, England CLARK, Arthur R. (B) Box 352, Far Hills, N. J. (Foxlyn Laboratories) CLARK, C. Burton (BF) 1766 Meadowcrest Dr. Pittsburgh 28. Pa. (Harbison-Walker Refractories Co.) CLARK, Horace N. (R) Refractory & Insulation Corp. 120 Wall St., New York 5, N. Y. CLARK, James L. (S) 150 Yates St., Denver. Colo. (Robinson Brick & Tile Co.) CLARK, John D. (XFI) Foote Mineral Co., 18 W. Chelten Ave. Philadelphia 44, Pa. CLARK, Paul M. (S) Chattahoochee Brick Co. Chattahoochee, Ga. CLARK, Paul W. Brown-Firth Research Labs. Princess St., Sheffield 4, England CLARK, Richard E. (MI) 4104 Dunhaven Rd., Dallas 20, Texas (R. T. Vanderbilt Co., Inc.) CLARK, Richard U. (R) 4 Orchard Dr., West Acton, Mass. (Lundey Associates, Inc.) CLARK, W. D., Jr. (R) A. P. Green Fire Brick Co. 1018 E. Breckenridge St. Mexico, Mo. CLARKE, Ford K. (G) Philco Corp., Lansdale Tube Co. Div. Church Rd., Lansdale, Pa. CLAUS, Karl M. (W) Mosaic Tile Co., Research Div. Linden Ave., Zanesville, Ohio CLAY. Wilfred (El) 14 Post Lane, Levittown, Pa. (Kaiser Metal Products) CLAYBURN-HARBISON LTD. (R. M. Hungerford) 850 W. Hastings St. Vancouver 9, B. C., Canada CLAYCRAFT CO. (Phillip W. Tefft) Box 866, Columbus 16, Ohio CLAYPOOLE, Stewart A. (G) R.R. 2, Painted Post, N. Y. (Corning Glass Works) CLEEK, Given W. (G) National Bureau of Standards Washington 25, D. C. CLEMENS, August, Jr. (M) 205 E. Gittings Ave., Baltimore 12, Md. (Arcrods Corp.) CLEMENS, Eugene C. (SFI) Cannelton Sewer Pipe Co. Cannelton, Ind. CLEVELAND, George B. (B) California Div. of Mines 217 W. First St. Los Angeles 12, Calif. CLEVELAND MUSEUM OF ART (William M. Milliken) 11150 East Blvd., Cleveland 6, Ohio CLEVELAND, Theodore K. (G) Philadelphia Quartz Co. of California Seventh & Grayson Sts. Berkeley 10, Calif. CLEVENGER, Thomas R. Massachusetts Institute of Tech. Rm. 20-C-001, Cambridge, Mass. CLEVER, William R. (G) 401 N. Elm St., Lincoln, 111. (Pittsburgh Plate Glass Co.) CLEVERLY, Robert B. (Wl) Mosaic Tile Co. Research & Development Div. Zanesville, Ohio CLEWS, Francis H. British Ceramic Research Assn. Mellor Laboratories, Shelton Stoke-on-Trent, England CLIFFORD, J. S. (W) Chicago Pottery Co. 1920 Clybourn Ave., Chicago 14, 111. CLINE, Carl F. (B) Carborundum Co. Niagara Falls, N. Y. CLINE, I. R. (S) Western Brick Co. Box 591, Danville, 111. CLINE, Robert W. (WI) 263 N. Main St., Manteca, Calif. (Syracuse China Corp.) CLIPPER DIAMOND TOOL CO., INC. (Joseph Klipper) 345 Hudson St. New York 14, N. Y. CLOSE, Paul (G) Owens-Illinois Box 1035-6, Toledo 1, Ohio CLOUD, James B. 1010 S. Oak St., Champaign, 111. R oster 17 .OUGH, Philip J. (R) National Research Corp. 70 Memorial Dr., Cambridge 42, Mass. .OWES, E. J. (L) Clowes Ceramic Corp. 3711 Calhoun Ave. mooga 7, Tenn. , Clarence G. (L) Sheraton Dr., Parma 34, Ohio ite Research Center) DATES, Bill (SF) Coates Co., Box 935, Austin 65, Texas DBLE, Robert L. (B) General Electric Research Lab. Box 1088, Schenectady, N. Y. 3CA-COLA CO. (Marvin Q. Wheeler) Engineering Dept. Drawer 1734, Atlanta 1, Ga. DEC, eDraamrriecll DLi.v. (B) 8C5h2a5mBpiuotnlerSApavrek., PDleutgroCito.11. Mich. DEN, Bernard (W) Woodbridge Sanitary Pottery Corp. 500 Green St., Woodbridge, N. J. DFFEEN, William W. (LFI) 1024 Boulevard, Westfield, N. J. (Metal & Thermit Corp.) DFFIN, Leon B. (S) Andover, N. Y. (Alfred University) DGEN, Saul (S) Davidson Brick Co. 4701 E. Floral Dr. Los Angeles 49, Calif. OGHILL, H. T. (X) 2028 Collingswood Rd. Columbus 21, Ohio (Carborundum Co.) OHEN, Aaron (S) Box 405, Willamina, Ore. (Willamina Clay Products) OHEN, Alvin J. (G) |lon Institute, 4400 Fifth Ave. Jburgh 13, Pa. Arthur E. (G) .1. Corp. Cottage PI., Minela, N. Y. OHEN, Bernard (G) 130 Spruce Wood Circle Geneva, N. Y. (Sylvania Electric Products, Inc.) OIN, R. H. (E) Ingram-Richardson, Inc. Jefferson Rd., Frankfort, Ind. OLBURN, Steven C. 332 Berwick Blvd., Waukegan, 111. OLE, David L. (BI) ' Carol Rd., Boxford, Mass. (Sylvania Electric Products, Inc.) OLE, G. Percy (G) Dominion Glass Co., Ltd. Box 190, Montreal, Que., Canada OLE, Harold R. (R) National Carbon Co. Town St., Fostoria, Ohio OLE, Michael Box 33, Ceres, N. Y. OLE, Sandford S. (BF1) Titanium Division, National Lead Co. Research Dept., Box 58 South Amboy, N. J. OLE, Sandford S., Jr. (LI) Sperry Gyroscope Co. Electronic Tube Div. Great Neck, L. 1., N. Y. 'OLEMAN, Caruthers A. (S) Big Run Coal & Clay Co. 133 N. Limestone St., Lexington, Ky. :OLEMAN, J. C. (G) 3161 B1 randon Rd. j^Codluunmbus 21, Ohio " ible Glass Co.) .AN, John M. (L) Tladdiiaation Research Corp. 1114 First Ave., New York 21, N. Y. iOLEMAN. Robert L. (SI) '20631 Greenwood. Olympia Fields. 111. (Chicago Brick Co.) rOL. 37, No. 10 (1958) COLEMAN, Ronald C. 11 West St., Hornell, N. Y. COLLIGAN, George A. (B) University of Michigan Dept, of Chem. & Met. Engr. Ann Arbor, Mich. . COLLINS, Frank P. (G) Liberty Glass Co. Collins Bldg., Sapulpa, Okla. COLLINS. Paul F. (WI) Austenal, Inc. 7001 S. Chicago Ave., Chicago 37, 111. COLLINS, William G..(BI) Johns-Manville Corp., Waukegan, 111. COLONIAL INSULATOR CO. (R. W. Hemphill, Jr.) 945 Grant St., Akron 11, Ohio COLOSKY, Benjamin P. (R) 322 Ridgdale Rd., Louisville, Ky. (Corhart Refractories Co.) COLUMBIA FIRE BRICK CO. 612 First National Bank Bldg. Canton 2, Ohio COLUMBIA-SOUTHERN CHEMICAL CORP. (R. W. Miller) One Gateway Center, Pittsburgh 22, Pa. COMBS, Will (R) 4502 Rambo Lane, Toledo, Ohio (Mexico Refractories Co.) COMBUSTION ENGINEERING, INC. RAYMOND DIV., (A. R. Jenny) 1315 N. Branch St., Chicago 22, 111. COMEFORO, J. E. (L) Frenchtown Porcelain Co. Frenchtown, N. J. COMER, Richard L. (L) 6371 Springdale Blvd. Grand Blanc, Mich. (A C Spark Plug Div. General Motors Corp.) COMMERCIAL DECAL, INC. (Alfred Duhrssen) Box 759 East Liverpool, Ohio COMMERCIALORES, INC. (Albert R. Eckel) Box 98, Clover, S. C. COMMONS, Charles H., Jr. (WFI) Forest Lane, R. R. 2, Malvern, Pa. (Foote Mineral Co.) COMPAGNUCCI, Julius P. (W) 118 Kent St., Trenton, N. J. (Bay Ridge Specialty Co.) COMPANHIA PAULISTA DE MINERACAO (Eduardo C. Simonsen) Caixa Postal 3.008, Sao Paulo, Brazil CONARD, John B. (S) 600 Hawthorne Lane, Mansfield, Ohio .(Richland Shale Brick Co.) CONDON, Edward U. (G) 6604 Waterman Ave., St. Louis 5, Mo. (Consultant) CONE, Carroll (G) 1387 Virginia Ave., Columbus 12. Ohio (E. I. du Pont de Nemours & Co.) CONN, Willi' M. (G) 6312 Indiana Ave. Kansas City 30, Mo. (Consultant) CONNELLY, Daniel S. (R) 2801 N. Park Blvd. Cleveland Heights 18, Ohio (American Ship Building Co.) CONNOR, Joseph H. 82 Elizabeth St., Hornell, N. Y. CONOVER, Ray C. (RI) Gladding, McBean & Co. 1006 Alcalde Way, Glendale 7, Calif. CONRAD, Charles E.. Jr. (G) Ford Motor Co., Glass Div. Box 1355, Nashville, Tenn. CONRAD, Keith (G) Owens-Illinois Box 1019, Oakland 4, Calif. CONROE, Barden A. (G) 93 Gorton St., Coming, N. Y. (Coming Glass Works) CONSOLIDATED FELDSPAR DEPT. INTERNATIONAL MINERALS & CHEMICAL CORP. (William K. Burriss) Old Orchard Rd., Skokie, 111. CONSOLIDATED GLASS WORKS, LTD. (I. Donen) Box 562 Genniston, Transvaal, South Africa CONSUMERS GLASS CO., LTD. (John N. Jordan) Box 456, Station B Montreal, Que., Canada CONTARDI, William A. (LI) 206 Highland Ave., Metuchen, N J. (General Instrument Corp.) CONTINENTAL CAN CO., INC. HAZEL-ATLAS GLASS DIV. (William R. Prindle) 15th & Jacob Sts., Wheeling, W. Va. COOK, A. W. Hargreaves Mill Ltd., Botteslow St. Hanley, Stoke-on-Trent, England COOK, Eugene M. (G) 509 Broadlawn Terrace, Vineland, N. J. (Kimble Glass Co.) COOK, Herman L. (EF) 1555 Beardsley Ave., Muskegon, Mich. (Norge Div., Borg-Warner Corp.) COOK, Louis S. 4085 Highland Dr. Salt Lake City 7, Utah COOK, Maurice D. 4071 Highland Dr. Salt Lake City, Utah COOK, Ralph L. (LFI) 204 Ceramics Bldg. University of Illinois, Urbana, III. COOK, WT. Howard (R) Box 131, Norris, Tenn. (Oak Ridge National Lab.) COOK, William R,, Jr. (L) Clevite Research Center 540 E. 105th St., Cleveland 8, Ohio COOKE, Charles C. (G) 2858 S. 109th St., Toledo 11, Ohio (Owens-Illinois) COOKE, David C. (WI) 404 Strawbridge Ave., Westmont, N. J. (Universal-Rundle Corp.) COOKE, William C. (GI) Blue Ridge Glass Div. American-Saint Gobain Corp. Kingsport, Tenn. COOMBS, W. M. (G) Owens-Illinois Bridgeton Plant No. 14. Bridgeton. N. J. COOPER, Alfred R. (I) 45 Orchard St., Jamaica Plain, Mass. COOPER, George I. (L) 1329 E. Vernon Rd. Philadelphia 50, Pa. (U. S. Army Signal Corps Supply Agency) COOPER, Joseph E. (JG) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. COOPER, Roger C. (E) Fusite Corp., 6000 Fernview Ave. Cincinnati 13, Ohio COOPER, Samuel A., Jr. 409 >4 Scott Ave., Greensboro, N. C. COOPER, William G. (M) 6912 Stadium Dr., Brecksville, Ohio (Ferro Corp.) COOPERSTEIN, Raymond (B) 8798 Eldora Dr., Cincinnati 36, Ohio (General Electric Co.) COORS, Joseph (L) Coors Porcelain Co. 600 Ninth St., Golden, Colo. COORS PORCELAIN CO. (Joseph Coors) 600 Ninth St., Golden, Colo. COPELAND, R. Spencer C. W. T. Copeland & Sons Ltd. Spode Works Stoke-on-Trent, Staffs, England COPP, Albert N. 1900 Tower Rd., Rolla, Mo. R o s t e r 19 CORAH, Donald E. Box 226, Alfred, N. Y. CORBAN, Wilbur H. (W) 3198 Dresden Rd., Zanesville, Ohio (Ceramic Supply Co.) CORBMAN, Mitchell (S) ,,New Jersey Shale Brick & Tile Corp. 249, Somerville, N. J. (^^ H tfA N , Morriss (S) ^BRew Jersey Shale Brick & Tile Corp. Box 249, Somerville, N. J. CORDES, John E. (MI) 4818 Paseo de las Tortugas Torrance. Calif. CORHART REFRACTORIES CO., INC. (Frederick S. Thompson) 940 Commonwealth Bldg. Louisville 2, Ky. CORNING GLASS WORKS (Howard R. Lillie) Corning, N. Y. CORNISH, Frank L. (G) Corning Glass Works, Charleroi, Pa. CORNWELL, George L. (B) 171 Eiseman, Kenmore 17, N. Y. (Exolon Co.) CORF, Paul M. (E) Alliance Ware, Inc., Alliance, Ohio CORRADA, Marco A. (G) Puerto Rico Glass Corp. Box 4272, San Juan, Puerto Rico CORSON', Robert (G) 1120 E. Third St., Ottawa, Ohio (Svlvania Electric Products, Inc.) CORWIN, Rudolph E. (L) Applied Physics Laboratory 1013 E. 40th St., Seattle 5, Wash. COSOLITO, Bart G. (RJ) 62 Sagamore Hill Dr. Port Washington, N. Y. (Grumman Aircraft Engineering Corp.) COSTELLO, R. E. (W) Zeller Corp. COUCH, Albert H. (RFI) Fort Wayne Rd., Defiance, Ohio Nigel Cotton Ltd. Pottery, Hanley Stoke-on-Trent, Stafford, England .. Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio COUGHANOUR, L. W. (L) - 4094 Ben Lomond Dr., Palo Alto, Calif. (General Electric Microwave Lab.) COULTER, William G. (M) 4824 Meadowlane N. W., Canton, Ohio (Pemco Corp.) COUNTS, William E. (L) 1422 W. Home Ave., Flint, Mich. (A C Spark Plug Div. General Motors Corp.) COURI, Richard A. (G) . Box 87, South Woodstock, Conn. (American Optical Co.) COURT, G. Robert (E) ; 936 Hawthorne Ln., Kankakee, 111. - (A. O. Smith Corp.) COURTNEY, Scott J. (M) . B. F. Drakenfeld & Co. 4S-47 Park PI.. New York 7, N. Y. COURTRIGHT, Edward L,, Jr. Box 2552, Georgia Tech. Sta. Atlanta 13, Ga. COUTANT, Edward R. (G) General Electric Co., 1285 Boston Ave. Bridgeport 2, Conn. COVAN, H. E. (M) R. R. 3, Box 10, Bryan, Texas (Orton Foundation) COWAN, J. G. "Roselands," Billington Haughton, Staff, England (Universal Grindinu Wheel Co.) N, Robert E. (BJ) 106 Gold St., Apt. 12 ^ Alamos, N. M. I (Los Alamos Scientiffc Lab.) OWELL, J. Robert. Jr. (Gl Woodville Lime Products Co. 2140 Jefferson Ave., Toledo 2, Ohio 37, No. 10 (1958) COWLES, Robert J. (L) Quality Components, Inc. St. Marys, Pa. COWLES, Roderick J. (B) Walworth Co. Research & Development Div. 1505 Washington St. Braintree 85, Mass. COWLING, Kenneth W. 79 Norwood Rd. Sheffield 5, England (Thos. Marshall & Co., Ltd.) COX. John E. (E) _ . Mellon Institute 4400 Fifth Ave., Pittsburgh 13, Pa. COX, John J. 4515 21st Ave., N.E., Seattle 5, Wash. COX, Paul E. (SF) 520 Canal St., Baton Rouge 2, La. (Louisiana Geological Survey) COX, Samuel F. (G) , 1722 Alcoa Dr., Arnold, Pa. (Pittsburgh Plate Glass Co.) COX, Shaun M. Normanhurst, Westoe Village South Shields, Durham, England COY, John Joel (E) ' 1689 Victoria Park Ave., Apt. 410 Scarborough, Ont., Canada (Frigidaire Products of Canada, Ltd.) COZAD, John O. (G) Demuth Glass Works, Inc. Box 629, Parkersburg, W. Va. CRAFT, R. S. (R) Findlay Clay Products Co. Washington, Pa. CRAIG, Bruce G. (E) 4520 N. 148th, Milwaukee, Wise. (A. O. Smith Corp.) CRAIG. David M., Jr. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. CRAIG. James W. (RF) Canadian Refractories, Ltd. 540 Canada Cement Bldg. Montreal 2, Que., Canada * CRAIN. Harold H,, Jr. (MJ) 221 Skyport Dr., Dravosburg, Pa. (Westinghouse Electric Corp.) CRAMER. W. E. (WFI) Industrial Ceramic Products, Inc. 965 W. Fifth Ave.. Columbus 8, Ohio CRANDALL, Eugene R. (RI) 258 Gulf St., Milford, Conn. (American Refractories & Crucible Co.) CRANDALL, James R. (EFI) 4514 Chestnut St., Bethesda 14. Md. (National Bureau of Standards) CRANDALL, William B. (RFI) Box 707, Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) CRANDON, A. S. (G) American-Saint Gobain Corp. 2000 Farmers Bank Bldg. Pittsburgh 22, Pa. CRANE CO., CHATTANOOGA DIV. (W. M. Hamilton) - 33rd and Alton Park Blvd. Chattanooga 1, Tenn. CRAVEN, Henry E. (R) Davison Chemical Co. Div. of W. R. Grace & Co., Box 885 Lake Charles, La. CRAWFORD, George E. (WFI) 221 Sumner Ave., New Castle, Pa. (Universal-Rundle Corp.) CRAWFORD, J C, Jr. (R) Johns-Manville Sales Corp. 22 E. 40th St., New York 16, N. Y. CRAWFORD. J. L. (RFI) 3854 Foothill Rd. Santa Barbara, Calif. CRESON, Walter F. (R) Babcock & Wilcox Co. 1040 National City Bank Bldg. Cleveland 14, Ohio CRESS, William C. (RI) Ochs Brick & Tile Co. Springfield, Minn. CRESSY, Morton (G) Emhart Manufacturing Co. 333 Homestead Ave. Hartford 2, Conn. CRIDER, Paul H. (E) 1971 West 51st St., Erie, Pa. (Erie Enameling Co.) S. A. CRISTALERIAS DEL URUGUAY (Francisco J. Gercar) Comercio 1491 Montevideo, Uruguay CROCKETT, William E. (X) 1215 N. Arlington Ave. Indianapolis, Ind. (Sales Engineer) CRONINGER, George J. (M) A. J. Wahl, Inc., 8 Central Ave. Brocton, N. Y. CROOK, Charles Edmund (W) Los Angeles Chemical Co. 4545 Ardine St., South Gate, Calif. CROOKSTON, James A. (RI) 1224 E. Jackson St., Mexico, Mo. (A. P. Green Fire Brick Co.) CROOM, Henry C. (SJI) 22 Morris PI., Oceanport, N. J. (U. S. Army) CROSBY, Donald P. (RI) Harbison-Walker Refractories Co. Fulton, Mo. CROSKEY, Carl D. (W) 208 Rollingdale Rd. Catonsville 28, Md. (Insulator Dept. General Electric Co.) , CROSLIN, John D. \* 7401 N. Lamar, Austin 5, Texas'* CROSS, A. H. B. J & J Dyson Ltd., Griffs Works Stannington, Nr. Sheffield, England ' CROSS, Owen H. (S) Swindell-Dressler Corp. Box 1888, Pittsburgh 38, Pa. CROSSLEY MACHINE CO. 301 Monmouth St., Trenton 9, N. J. CROSSLEY, Robert H. (W) St. Joseph Lead Co. 250 Park Ave., New York 17, N. Y. CROUCH, Lester A. Georgia Institute of Technology r Box 270, Atlanta, Ga. CROUCH, Richard L. (S) Box 287, Blue Ridge Summit, Pa. (Funkhouser Co.) CROWE, Samuel H., Jr. (G) 416 Mississippi Ave., Crystal City, Mo. * (Pittsburgh Plate Glass Co.) CROWLEY, Henry L. (L) 365 Forest Rd., South Orange, N. J. i , (Crowley Div., Aerovox Corp.) ' CROWLEY, Michael S. (I) Pennsylvania State University Dept, of Geophysics & Geochemistry 223 Mineral Sei. Bldg. University Park, Pa. CRUIKSHANK, C. L. (X) Great Lakes Foundry Sand Co. 1217 Francis Palms Bldg. Detroit 1, Mich. CULLER, Vaughn E. (G) V* Corning Glass Works, Corning, QY . CULLEY, Paul Pole Bridge Rd., Geneseo, N. Y. CULVER, Richard L. Delhi Stage, Oneonta, N. Y. CUMMINGS, J. M. (M) British Columbia Cement Co., Ltd. B. C. Cement Bldg. . Victoria, B. C., Canada * CUMMINS, Arthur B. (B) .4 Morning Glory Rd., Bound Brook, j! J. (Johns-Manville Corp.) CUMMINS, Robert K. (G) \. General Electric Co. *- .* Willoughby Quartz Plant / \ / Campbell Rd. & Euclid Ave. Willoughby, Ohio _V ,, .J * R oster 21 JN LIFFE, J. A. tSj Northwest Ceramics Ltd. 306 Qu'Appelle Bldg. Edmonton, Alta., Canada jNNINGHAM, Eugjene E. (G) Ow'ens-Corning Fiberglas Corp. C Bldg., Toledo 1, Ohio GHAM, James A. (S) s Clay Products Co. 12, Martinsville, Ind. JNNINGHAM, Robert J. (G) Clark Ave., R.R. 5, Newark, Ohio (Anchor Hocking Glass Corp.) JRCIO, Anthony L. (LI) 21 Church St., Bound Brook, X. J. (Radio Corp. of America) JRCIO, Vincent M., Jr. Ideal-Standard. S. A. Rua Marconi 53-10. Sao Paulo. Brazil JRL, Joseph H. (G) Owens-Coming Fiberglas Corp. Toledo. Ohio URRAN, EDWARD ENGINEERING, LTD. (Terence P. Nealon), Cardiff, Wales URRAN, Martin T. Box 562, Alfred, N. Y. URRAN, Robert (RI) 75-08 35th Ave. Jackson Heights 72, N. Y. (Plibrico Co.) URRIE, Thomas E. (E) Box 33, Berwyn. Pa. (Foote Mineral Co.) URRY, William J,, Jr. (R) Hiram Swank's Sons, Box 630 Johnstown, Pa. URTIS, Carl E. (RFI) R. R. 3, Kingston, Tenn. (Union Carbide Nuclear Corp.) URTIS. Miles E. (E) 301 Brunswick Rd., Louisville 7, Ky. (Ferro Corp.) URTIS. William H.. Jr. (EJ) J8 Olan Dr., Glen Bumie, Md. rico Corp.) IR. M. (G) Srican Potash & Chemical Corp. 99 Park Ave., New York, N. Y. USICK, Charles S. (G) Pittsburgh Plate Glass Co. Wks. 4, Ford City, Pa. UTHILL, John R. (E) National Bureau of Standards Metallurgy Div. 8.2 Washington 25, D. C. UTLER, Ivan B. (B) 220 Mines Bldg., University of Utah Salt Lake City 12. Utah ZECHOSLOVAK SCIENTIFICTECHNICAL SOCIETY FOR THE SILICATE INDUSTRY (R. Barta) Prikopy 29 Prague 1, Czechoslovakia ^'ADRIAN, Vincent L. D. (G) Mississippi Valley Research Lab., Inc. 901 S. 18th St., St. Louis 3, Mo. >AGER, Probert W. (MFI) 5628 Greenbush, Van Nuys, Calif. (H. C. Spinks Clay Co.) IAGGETT, George, Jr. , Bo* 824, Alfred, N. Y. >AHLSTROM, Roy (X) National Lead Co. I ll Broadway, New York 6, N. Y. j ALE, Alfred J. (W) "Contek" 3975 Cedar Hill Cross Rd. Victoria, B. C, Canada [. FRANK S. (M) Ifrey L. Cabot, Inc. Bayard St., Box 828 iew Brunswick, N. J. Da l t o n , Robert h . (G) iiV.234 Delevan Ave.. Coming, N. Y. /(Corning Glass Works) (OL, 37, No. 10 (1958) DALY, Howard J.,"Jr. (RI) Norton Co. 5805 Lincoln Ave., Detroit 8, Mich. DALY, Robert A. Box 1127, Alfred, N. Y. DAMERELL, Arthur G.-H. Wilkinson Sword Ltd. Poyle Mill Works Colnbrook, Bucks, England DANIELSON, R. R. (EFI) 120 Richmond Terrace, Rahway, N. J. (Metal & Thermit Corp.) DANKS, William H ..(G ) 216 Mississippi Ave., Crystal City, Mo. (Pittsburgh Plate Glass Co.) DARNELL, Harmon C. (S) Murray Tile Co., Inc., Cloverport, Ky. DARRAH, W. A. (E) 901 N. Oak Park Blvd., Oak Park, III. (Continental Industrial Engineers, Inc.) DAS GUPTA, A. K. (L)Allen-Bradley Co. 136 W. Greenfield Ave. Milwaukee 4, Wise. DAUMKE, Arthur H. (W) 17 W. 170 Hillside Ln,, Hinsdale, III. (Harshaw Chemical Co.) DAUWALTER, A. C. (S) W. S. Dickey Clay Mfg. Co. 607 Commerce Trust Bldg. Kansas City 6, Mo. DAVENPORT, Warren H. (R) 53 Paine St., Worcester 5, Mass. (Norton Co.) DAVEY, Earl R. (W) Canadian Ohio Brass Co., Ltd. Niagara Falls, Ont.. Canada DAVEY & MOORE LTD. (K. A. Murdoch) Lockfield Ave. Brimsdown, Enfield Middlesex, England DAVIDSON, E. O. (M) Trinity Ceramic Supply, Inc. 100 Howell St., Dallas, Texas DAVIDSON, Robert W. (R) North American Refractories Co. Curwensville, Pa. DAVIES, Chester A. (WI) Park Lake Ave., Titusville, N. J. (American Radiator & Standard Sanitary Corp.) DAVIES, Edward G. (G) Dominion Glass Co., Ltd. Wallaceburg, Ont.. Canada DAVIES, Louis F. (M) Carborundum Co., Globar Div. 2626 Malt Ave., Los Angeles 22, Calif. DAVIES, Ray, Jr. (R) General Refractories Co. 681 Market St. San Francisco 5, Calif. DAVIES, Thomas H. (G) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. DAVILA, A. E. Fernandez Londres 1122 Longchamps--FNGR, Argentina (Ferro Enamel S. A.) DAVIS, Clarke P. (W) 82 Broad St., Danielson, Conn. (American--Standard) DAVIS. Earl K. (G) Bausch & Lomb Optical Co. Rochester, N. Y. DAVIS FIR E BRICK CO. Oak Hill, Ohio DAVIS, Harry E. (WFI) Universal Potteries, Inc. Cambridge, Ohio DAVIS, H. M. (E) Pennsylvania State University Mineral Industries Bldg. University Park, Pa. DAVIS, Jack C. (E) Louis Allis Co. 427 E. Stewart St., Milwaukee 1, Wise. DAVIS. James K. (L) 144 High Rd.. Corning, N. Y. (Corning Glass Works) DAVIS, James T. Box 5332, Georgia Tech Sta. Atlanta 13, Ga. DAVIS, John A., Sr. (W) Sentry Sanitary Corp. Box 427, Mannington, W. Va. DAVIS, Lyman H,, III 127 Martha PI., Hamburg, N. Y. DAVIS, M. Paul, Jr. 30 Dixie Dr., Raleigh, X. C. DAVIS, N. B. (M) 77 Metcalfe St., Rm. 1004 Ottawa 4, Ont., Canada (Quebec Metallurgical Industries Ltd.) DAVIS, Richard P. 2118 Eighth Ave., Altoona, Pa. DAVIS, Sam H,, Jr. (W) Kohler Co., Spartanburg, S. C. DAVIS, Thomas M. 2549 Brvden Rd., Columbus, Ohio DAVIS, Walter M. (R) Aluminum Co. of America 1515 Fidelity Philadelphia Trust Bldg. Philadelphia 9, Pa. DAY, Arthur L. (Honorary, G) 9113 Old Georgetown Rd. Bethesda 14, Md. DAY, Britton T. (R) American Fire Clay & Products Co. Box 157, Canfield, Ohio DAY, Charles M. (R) Valley Dolomite Corp. Room 902, 915 Olive St. St. Louis 1, Mo. DAY, Delbert E. 219 S. Sparks St., State College, Pa. DAY, Frank, Jr. (M) Corning Glass Works, Corning, N. Y. DAY, Jack F. (WI) 2002 Woodland Ave., N. W. Canton, Ohio (United States Ceramic Tile Co.) DAY, Ralph K. (GFI) 307 W\ Harrison Ave., Maumee, Ohio (Libbey-Owens-Ford Glass Fibers Co.) DAY, Robert B. (SI) 18 Lynnwood Dr., R. R. 3, Morris, 111. (Tuthill Building Material Co.) DEADWYLER, Earnest W. (RI) 2599 Glenmawr Ave. Columbus 2, Ohio (United States Army) DEAR, Paul S. (BFI) Virginia Polytechnic Institute Box 205, Blacksburg, Va. DEARBORN GLASS CO. (Joseph Falls), 6600 S. Harlem Bedford Park, P. O. Argo, 111. DE BECK, Hubert O. (M) 1700 Sunset Blvd., Apt. 7 Houston 5, Texas (Consultant) DEBENHAM, W. S. (RFI) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. DE CAIN, Donald (B) 7 Shelley Ave., Valhalla, N. Y. (General Precision Lab., Inc.) DECKER, Alfred R. (M) Champion Spark Plug Co. Box 637. Cambridge. Ohio DECKER, Edgar A. (W) G. S. Robins & Co. 126 Chouteau, St. Louis 2. Mo. DECKER, Edward L. (E) 42 Wilson St., Middletown, N. Y. (Pemco Corp.) DE COURSEY. Donald T. (E) Redfield Village, Apt. 19A-3 Metuchen, N. J. (E. I. du Pont de Nemours & Co.) DEETH, H. R. (M) American Nepheline Ltd. 25 King St. W.. Rm. 2530 Toronto, Ont., Canada R oster 23 1EIGNAN, Charles J. (SI) 7609 Burkey Ave., Reynoldsburg, Ohio (Claycraft Co.) DELAWARE CLAY CO. (Homer W. Wilson) Box 352 Delaware. Ohio te liE UiUNW, Peter knberg & Co., Inc. irai Post Office Box 323 ^ro_kyyoo, Japan DE LEON, Aaron (R) Refractarios Hidalgo, S. A. Av. Cuauhtemoc No. 142 Apdo. Postal 66 Pachuca, Hgo., Mexico DELGADO, Cyril B. (G) The Glass Industry 55 W. 42nd St., New York 36, N. Y. DeLONG, Hermon W., Ill (G) 67 Main St., Dansville, N. Y. (Department of Public Works) DELOTT, Charles R. 78 Davenport, North Adams, Mass. DELP, Ray G. 299 Berkshire Rd., Clemson, S. C. DEMAISON, R. J. (R) Quigley Co., Inc., 415 Madison Ave. New York 17, N. Y. DeMARIA, Vincent C. (G) 46 Riverdale Ave. Amityville, L. I., N. Y. (Fisher Scientific Co.) OEMUTH GLASS WORKS, INC. (Donald D. Faulkner) Box 629, Parkersburg, W. Va. DENES, Peter (B) 2934 N. Downer Ave. Milwaukee, Wise. (Allen-Bradley Co.) DENISON ENGINEERING DIV. AMERICAN BRAKE SHOE CO. (W. C. Denison), 1160 Dublin Rd. Columbus 16, Ohio DENISON, George W. (SF) Co.. Box 1776 5. Ohio >hn C., Jr. (G) lenison & Son Co., Box 63 - Rochester, Pa. DENISON, Nonnan E. (S) Ohio Clay Co., Box 1776 Cleveland 5, Ohio DENISON, W. C. (M) Denison Engineering Div. American Brake Shoe Co. 1160 Dublin Rd., Columbus 16, Ohio DENK, William J. Missouri School of Mines Kelly Hall, Rolla, Mo. DENMAN, Cedric E. (S) : Great Bend Brick & Tile Co., Inc. Box 53, Great Bend, Kans. DENNIS, John S. (MJ) 28 Michael Dr.. Trenton 9, N. J. - (United Clay Mines Corp.) DENNISON, Brook J. (G) 710 Robinhood Rd., Pittsburgh 15, Pa. (Pittsburgh Plate Glass Co.) de PABLO. Liberto Apartado Postal 20722 Mexico 6, D. F., Mexico Ds PIOLENC, Gerard (X) Saint Gobain, Inc. 500 Fifth Ave., New' York 36, N. Y. dePROSSE, Victor A. (E l) v 2164 Arthur Ave., Lakewood 7, Ohio ' (Ferro Corp.) PeREMER, John W. (RI) 501 Arizona Dr., New Kensington, Pa. (American-Saint Gobain Corp.) DERGE, Gerhard (X) Carnegie Institute of Technology jtsburgh 13, Pa. J.G E R , W. A. (EFI) W 0 . Smith Corp. '- 3533 N. 27th St., Milwaukee 1, Wise. depOUX, Juan Ramon (I) rv&Boat 1486, Panama, Rep. of Panama MCPanama Clay Products Co., Inc.) Yp Cv37, No. 10 (1958) DERR, Robert H. (W) Bestwall-Certain-Teed Sales Corp. 204 Park PI., Pittsburgh 37, Pa. DESAIX, Herbert A. (SI) 122 Jefferson Park Dr. Huntington, W. Va* (Barboursville Clay Mfg. Co.) DESENNE, Claude M. (S) 505 Cote de l'Eglise Boischatel Co. Montmorency, Que., Canada (Citadel Brick Ltd.) DETAMORE, Walter A. (S) Barium Reductiop Corp. South Charleston 3, W. Va. DEURVORST, F. B. M. Het Zonnehuis, Paasberglaan 9 Terborg, Holland (Koninklijke Fabrieken Diepenbrock & Reigers N. V.) DEUTSCHE GLASTECHNISCHE GESELLSCHAFT . Bockenheimer Landstrasse 126 Frankfurt (Main), Germany DEUTSCHE KERAMISCHE GESELLSCHAFT Reuterstrasse 235 Bonn/Rhein, Germany DeVILBISS CO. (E. F. Frey) Phillips & Detroit Aves. Toledo 1, Ohio de VILLE, 2/Lt. Ralph W. (WI) Hq Air Materiel Command, Box 1243 Wright-Patterson AFB, Ohio DEVLIN, James F. (El) 4224 Brenau Ave., Apt. 2 Dayton 9, Ohio (Pernco Corp.) DeVOE, Charles F. (RF) 38 W. Fourth St., Corning, N. Y. (Corning Glass Works) DEVRIES, Edward R. (G) Prismo Safety Corp.. Huntingdon, Pa. DeVRIES, Robert C. (B) General Electric Co., Research Lab. The Knolls, Schenectady 3, N. Y. DEW, Robert J., Jr. (B) Ceram-Chem. Research Lab. University of Tampa, Tampa, Fla. DEWEY, B. F. (W) 42 Summit St., LeRoy, N. Y. (Lapp Insulator Co.) DEWEY, John L. (R) Reynolds Metals Co. Box 191, Sheffield, Ala. de WYS, E. Christiaan (B) 85 Maple Dr., Chesterland, Ohio (Ferro Corp.) DEXHEIMER, E. C. (E) 917 Country Club Drive St. Louis 21, Mo. DEXTER, John N. 2100 Rio Grande, Austin, Texas DEYO, R. Daniel fR) 104 Dogwood, Park Forest, 111. (United States Steel Corp.) DIA, Januario D. Manila Gas Corp. 1536 Otis. Paco, Manila, Philippines DIAMOND ALKALI CO. (L. T. Welshans) Cement-Coke Div. 300 Union Commerce Bldg. Cleveland 14, Ohio DIAMOND, Grant S. (RFI) Electro Refractories & Abrasives Com. 344 Delaware Ave., Buffalo 2, N. Y. DIAMOND, Jacob J. (B) National Bureau of Standards Conn. Ave. & Van Ness St., N. W. Washington 25, D. C. DIAZ, Jose J. (I) Fabrics National de Loza de Penco S. A. Box 13, Penco, Chile di BENEDETTO, Bernard Box 847, Alfred, N. Y. DICK, Clarence H. (G) 1013 Gordon St., Natrona Heights, Pa. (Pittsburgh Plate Glass Co.) DICK. William O., Jr. (G) 33 Spaulding Dr., Corning, N. Y. (Corning Glass Works) DICKAS, Charles H. (E) 1524 Sunset Rd., Chattanooga, Tenn. (Samuel Stamping & Enameling Co.) DICKENS, H. A. Nilsen Porcelains (Aust.) Pty. Ltd. 221 Separation St. Northcote, Victoria, Australia DICKEY, Herbert R. (S) 26 Regent St. St. Thomas, Ont., Canada (Canada Vitrified Products, Ltd.) DICKEY, John M., Jr. (SI) Hanley Co., Summerville, Pa. DICKINSON, S. J. (R) American Smelting & Refining Co. South Plainfield, N. J. DICKSON, Terry E. 221 Vincent St., Hornell, N. Y. DIEHL, Carl W. (R) 416 Kenwick Dr., Syracuse 8, N. Y. (Electro Refractories & Abrasives Corp.) DIEHN, August F. 2122 Lincoln Way, Ames, Iowa DIETERT, Harry W. (R) Harry W. Dietert Co. 1214 Virginia Dr., Kerrville, Texas DIETRICH, Waldemar F. (B) 1209 Potomac St., N. W. Washington 7, D. C. (United States Bureau of Mines) DIETTERLE, Edwin W. (WI) 3834 Monteith Dr. Los Angeles 43, Calif. (Ferro Corp.) DIETZ, Earl D. 569 Hess Rd. Apt. D, Columbus 10, Ohio DIETZEL, Adolf Max-Planck-Institut fur Silikatforschung, Wurzburg, Germany Neunerplatz 2 DiLAZZARO, John F. 4015 34th S., Seattle 8, Wash. DILLARD, William F., Jr. (S) 2125 E. Side Court, Augusta, Ga. (Merry Bros. Brick & Tile Co.) DILLENDER, Richard D., Jr. (L) 8 Sunnybrook Trail Signal Mountain, Tenn. (American Lava Corp.) DILLIARD, Paul D. (GI) 1313 E. Wheeling St., Lancaster, Ohio (Anchor Hocking Glass Corp.) DILLINGHAM, Robert P. (L) 2436 Mt. Olive Lane, Bradbury, Calif. (Consolidated Electrodynamics Corp.) DILLON, C. L. (G) Latchford Glass Co., Box 71707 Los Angeles 1, Calif. DILLON, Zale (W) 540 S. Samuel Dr., Zanesville, Ohio (Mosaic Tile Co.) DINGLEDINE, H. F. (S) National Sewer Pipe Ltd. 330 Wentworth St., N. Hamilton, Ont., Canada DINGLER, Edward L,, Jr. (R) Carborundum Co. Refractories Div., Globar Plant Box 337, Niagara Falls, N. Y. DINGWALL, Andrew (G) 588 Grove St., Upper Montclair, N. J. (Consulting Scientist) DINGWALL. Andrew G. F. (G) 588 Grove St., LTpper Montclair, N. J. (Radio Corp. of America) DIPPELL, L. V. (R) 1407 Cherry Lawn Ave. Owosso, Mich. (Mid-West Abrasive Co.) PIRKSEN, A. J. (G) American Potash & Chemical Corp. 99 Park Ave., New York 16, N. Y. DISTILLATOR, Philip R. (W) Jackson Vitrified China Co. 2 West St., Pelham Manor 65, N. Y. R oster 25 ITHRIDGE, Edward H. (E) Richmond Plumbing Fixtures Div. Rheem Manufacturing Co. 1729 Pennsylvania Ave., Monaca, Pa. IXON, Anna Lane (D) 815 N. Fourth St., Burlington, Iowa I X A ^ C. E. (B) ^ ^ ^ h L u b a o Ave. V Q ^d lan d Hills, Calif. ^Atomics International) IXON, Gene (R) Kvanite Mining Corp., Dillwyn, Va. IXON, JOSEPH, CRUCIBLE CO. (W. R. YVyckoff) 167 Wayne St. Jersey City 3, N. J. IXON, Rodney M. 510 Queens Ct., Statesville, X. C. LUGOZIMA, W. R. (WI) Patterson Foundry & Machine Co. Ceramic Div., East Liverpool, Ohio 'ODD, Charles M. (SFI) Dept, of Ceramic Engineering Iowa State College, Ames, Iowa 'ODGE, Alfred W. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. Box 911, 15th & Jacob Sts. Wheeling, W. Va. 'OERSELN, Kenneth P. (M) Silk City Tool & Machine Works 221 Seventh Ave., Hawthorne, N. J. )OLL, Charles E. (W) Mount Clemens Pottery Co. Mount Clemens, Mich. OMICONE. Joseph J. (G) Corning Glass Works. Corning, N. Y. >OMINGUES, Louis P. (R) 6803 Belford Dr. Takoma Park 12, Md. (United States Dept, of Interior) ` lOMINION MINERALS DIV. RIVERTON LIME & STONE CO. (Robert C. Brand), Piney River, Va. IONAHEY, John W. (GI) 191, Paoli, Pa. ^^^B ote Mineral Co.) . i & t m , i. Consolidated Glass Works, Ltd. Box 562, Germiston Transvaal, South Africa 30NEY. Louis M. (BF) Mackin Lane. R. R. 20 Knoxville, Tenn. (Oak Ridge National Lab.) 30NLEY, John C. (El) 321 Duane St., Clyde, Ohio (Pemco Corp.) XW LON, Robert L. (GJ) Corning Glass Works Harrodsburg, Ky. 30NNENWIRTH, A. L. (RI) Carborundum Co., Falconer, N. Y. DOORNWAARD, Lt. John (RJ) 1219 Snow Rd., Artillery Village Fort Sill, Okla. (U. S. Army) DORA, Joseph C. (E) 817 Oak St., Danville, 111. (Ordnance Ammunition Command) DORAN. Robert F. (LI) C.F.l. Corp. Cottage PI.. Mineola, N. Y. DORF, Arthur L. 331 W. College Ave. State College, Pa. DORMUTH, Lawrence C. (B) Pennsalt Chemicals Corp. Box 4388, Chestnut Hill P. O. Philadelphia 18, Pa. DORN, Alvah J. (GI) . 4 Oakwood Dr., Box 152 ning, NrY. rning Glass Works) G. Neal (SI) > 1015 Kemp Ave., Ironton, Ohio . (Carlyle Tile Co.) DORSETT, O. A. (W) ' ; Knox Porcelain Corp., Knoxville, Tenn. Vol. 37, No. 10 (1958) DORSEY, Baird L. (R) 300 Walnut Rd., Pittsburgh 2, Pa. (Jones & Laughlin Steel Corp.) DORSEY, John J. (LI) P. R. Mallory & Co., Inc. 3029 E. Washington St. Indianapolis 6, Ind. DOTY, Henry S. (R) Commercialores, Inc. ' 30 Church St., New York 7, N. Y. DOUGHERTY, Leon A. (W) 370 North St., Sun Prairie, Wise. (Wisconsin Porcelain Co.) DOUGHERTY, W. E. (MF) 1625 Barr Ave., Pittsburgh 5, Pa. (O. Hommel Co.) DOUGLAS, Edward A. (R) 3150 Corydon Rd. Cleveland Heights 18. Ohio (Brush Beryllium Co.) DOUGLAS, Richmond Douglas Firebrick Co., Ltd. Dairy, Ayrshire, Scotland DOUGLAS, R. W. Society of Glass Technology "Thornton," Hallam Gate Rd Sheffield 10, England DOWDLE, Hugh J., Jr. Box 2905, Clemson College Sta. Clemson, S. C. DOWLING, Robert F. (G) American Optical Co. 14 Mechanic St. Southbridge, Mass. DOWNS, C. D. (L) Columbian Carbon Co. Mapico Color Unit 601 Cass St., Trenton 10, N. J. DOZIER, Alfred R. 13 Poe Ave.. New Brunswick, N. J. DRAKE, Arthur D. (S) R. R., Blacklick, Ohio (Claycraft Co.) DRAKE, M. Ellis (D) Alfred University, Alfred, N. Y. DRAKENFELD, B. F. & CO. (Scott J. Courtney) 45-47 Park PI. New York 7, N. Y. DRAKER, Harry C. (M) 38600 Courtland Dr., Willoughby, Ohio (Harshaw Chemical Co l DRAMMENS GLASSVERK (Ragnar Tanberg) Drammen, Norway DRAPER, Perry E. (W) Mansfield Sanitary, Inc. Perrysville, Ohio DRECHSEL, Helmut E. (G) National Scientific Co. Churchville, Pa. DRESSLER, Philip (MFI) Swindell-Dressler Corp., Box 1888 Pittsburgh 30, Pa. DREYER, Donald H. (G) T. C. Wheaton Glass Co. Third & "G" Sts., Millville, N. J. DREYFUSS, Robert G. (G) Thatcher Glass Mfg. Co., Inc. Box 265, Elmira, N. Y. DREYLING, Lewis J. (Rl 229 Milltown Rd., Milltown, N. J. (Quigley Co., Inc.) DROUHARD, W. J. (WI) Mansfield Sanitary, Inc. Perrysville, Ohio DRUMMOND, Charles H. (G) 1639 Cass Rd., Maumee, Ohio (Otvens-Illinois) DRUMMOND, W. Wendell (G) 4711 Winnequah Rd. Madison 4, Wise. (Bjorksten Research Lab.) DUBE, Alfred (D) 425 U th St., Lincoln, 111. (Stetson China Co.) DUBER, William P. (RJ) 62 E. Market St., Bethlehem, Pa. (Bethlehem Steel Co.) DUBLER, Robert H. (WI) Crane-Pacific Div., Crane Co. 330 W. Citrus St., Colton, Calif. DuBOIS, H. B. (MFI) Golding-Keene Co. 1401 New York Ave., Trenton 8, N. J. DUCKWORTH, Winston (BFI) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio DUDDING, B. P. ; International Commission on Glass Research Laboratories General Electric Co., Ltd. Wembley, Middlesex, England DUDERSTADT, Edward C. Missouri School of Mines Apt. F-2. Rolla. Mo. DUE. Herbert J. (L) 11 Scoles Ave., Clifton, N. J. ' (St. Joseph Lead Co.) DUECKER, Heyman C. (G) 28927 Emerson Way, Inkster, Mich. (Ford Motor Co.) DUEVEL, Charles O., Jr. (G) American Thermos Products Co. Thermos Ave., Norwich, Conn. DUEY, Robert K. (S) Box 235, Gaithersburg, Md. (Southern Lightw eight Aggregate Corp.) DUFF, R. D. (G) Owens-Illinois Box 1035, Toledo 1, Ohio DU FRESNE, Robert S. (W) 3125 Fairmount, La Crescenta, Calif. (Gladding, McBean & Co.) DUGGAN, J. J. (G) Walsh Refractories Corp. 101 Ferry St.. St. Louis 7, Mo. DUHRSSEN, Alfred (D) Commercial Decal, Inc. Box 759, East Liverpool, Ohio DUKE, Edward T. (G) Nicolet Industries, Inc. Nicolet Ave., Florham Park, N. J. DUKE, John J. (L) Box 33, Saxonburg, Pa. (Du-Co Ceramics Co.) DULBERG, Irving (RI) 254 N. Allegheny St., Bellefonte, Pa (J. H. France Refractories Co.) DULIN, F. H. (B) Champion Spark Plug Co. Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. DUNBECK, Norman J. (R) International Minerals & Chemical Corp. Old Orchard Rd.. Skokie, 111. DUNCAN, J. Earle (GF) Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. DUNCAN, Russell F. (B) 209 Franklin Dr., Berea, Ohio (Ferro Corp.) DUNCOMBE, George H., Jr. (SF) 150 E. Frambes Ave., Columbus 1, Ohio (Evans Brick Co.) DUNEGAX. Harry C. (L) 433 Glenhill Dr., Chattanooga 5, Tenn. (American Lava Corp.) DUNGAN, Robert H. (BI) 5365 Holiday Rd., R. R. 2 Hopkins. Minn. (Minneapolis-Honeywell Reg. Co.) DUNN, H. E. (R) Suite 206, 300 Mt. Lebanon Blvd. Pittsburgh 34, Pa. (Vanadium Corp. of America) DUNN. John P. (W) _ Corning Glass Works, Corning, N. Y. DUNN. L. W. (M) H. C. Spinks Clay Co.. Inc. Box 1411, Trenton 7B. N. J. DUNN, Peter E. (G) Rauland Com.. 4245 N. Knox Ave. Chicago 41. Til. DUNN1 CAN, Ward G. (G) Becton, Dickinson & Co. Rutherford. N. J. R oster 27 DUNSMORE, Gordon K. 120 Ninth St., Philipsburg, Pa. DUPLIN, V. J., Jr. (BFI) Box 785, Lynchburg, Va. (Babcock & Wilcox Co.) du PONTI , E. I., de NEMOURS & CO., # 1C. (John M. Olsen) trochemicals Dept. ^ W ilimlmington 98, Del. DURHAM, Carl T. (L) General Electric Co. Industry Control Dept., Roanoke, Va. DURNWIRTH, Rov K. Box 273, Alfred, N. Y. DURST, William A. (B) Lynch Rd., St. Marys, Pa. (Stackpole Carbon Co.) DUTTON, Stanley 97 State St., Seneca Falls, N. Y. DUWEZ, Pol (B) California Inst, of Technology 1202 E. California St. Pasadena, Calif. DYCK, Walter E. (G) Pittsburgh Plate Glass Co. Works #4, Ford City, Pa. DYNES, Marvin W. (G) Van Dyne Quartz Works Box 148, St. Charles, 111. DYRE, Warren T. (E) 317 Estaugh Ave., Haddonheld, N. J. (Universal-Rundle Corp.) EAGLE-PICHER CO. (D. R. Carter) American Bldg., Cincinnati 1, Ohio EAGLES, Allen E. (BJ) 10 Maplelawn Dr., Apt. 8 Dayton, Ohio (U. S. Air Force) EARL, J. Alfred (LI) 1621 S. El Molino St. ^A lham bra, Calif. ^^^kpnsolidated Electrodynamics Corp.) I ^ H l R , George J. (RFI) ^^Electro Refractories & Abrasives Corp. Willett Rd., Buffalo 19, N. Y. EASTLY, Michal R. 521 N. 74th, Seattle 3, Wash. EATON. Lawrence E. Box 827, Alfred, N. Y. EAVES, W. M. (M) Cooley Clay Co., Hickory, Ky. EBERSOLE, Robert A. (R) Chisholm, Boyd & White Co. 610 W. 57th St., Chicago 21, 111. ECK, Bernard J. (R) Griffin Wheel Co. 445 N. Sacramento Blvd. Chicago 12, HI. ECKARDT, Ronald B. 729 E. Second S,, #2 Salt Lake City 2, Utah ECKEL, Albert R. (W) Commercialores, Inc. Box 98, Clover, S. C. ECKEL, Harold A. Trinidad Clay Products, Ltd. 44, South Quay, Port of Spain Trinidad, B. W. I. ECKLEY, J. R. (W) Coxcomb Hill Rd., R. R. 2 New Kensington, Pa. (Saxonburg Ceramics) ECONOMOS, George (L) 36 White Ave. Newton Centre 59, Mass. (Massachusetts Institute of technology) Allen C. (W) ;^ ^ H iggaar Plastic Kaolin Co., Edgar, Fla. EDGAR, Clement B. (R) M. H. Detrick Co., 1607 Oliver Bldg. \ - i Pittsburgh 22, Pa. Edgar pla stic k a o lin co . .(Alien C. Edgar) Edgar, Fla. 37, No. 10 (1958) EDLIN, Vernon (B) 600 Olympic PI., Seattle 99, Wash. - (Boeing Airplane Co.) EDSTRAND, Elmer W. (M) 5544 Bohlander Ave., Berkeley 1, 111. (Lindberg Engineering Co.) EDWARDS, F. M. (W) 5 Cartwright St., R. R. 19 East Liverpool, Ohio (Patterson Foundry & Machine Co.) EDWARDS, J. B. (S) Reliance Clay Products, Box 13226 Dallas 20, Texas EDWARDS, William R. (W) 424 Balsam Dr., Davison, Mich. (A C Spark Plug Div., General Motors Corp.) EGERTON, Lawson (L) Bell Telephone Labs., Inc. Murray Hill, N. J. EHLERS, Ernest G. (B) Ohio State University Dept, of Mineralogy, Columbus, Ohio EHLERS, G. Milton (B) 4764 N. Oakland Ave. Milwaukee, Wise. (Wisconsin Pharmacal Co.) EHMAN, Roy G. (GFI) 323 E. Hamilton Ave. State College, Pa. (Pennsylvania State University) EHRLICH, Josef (W) 219 23rd, Santa Monica, Calif. (American Ceramic Products, Inc.) EICHBAUM, Barlane R. (L) 52 Homer PI., Greenvale Farms Poughkeepsie, N. Y. (IBM Corp.) EISENBERG, Marvin (R) 2193 Grandview Ave. Cleveland Heights 6, Ohio EISS, Roger L. Massachusetts Institute of Technology Graduate House, Cambridge 39, Mass. EITEL, Wilhelm (BI) Dir. of Inst, of Silicate Research University of Toledo, Toledo 6, Ohio EKDAHL, W. Graydon (G) Johns-Manville Research Center Manville, N. J. EKEDAHL, J. Charles (R) 1006 Gardner Ave., Joliet, 111. (Illinois Clay Products Co.) EKELUND, Bror S. (B) 102 N. Orchard St., Madison 5, Wise. (Trionics Corp.) ELDER, J. C. (WI) Robertson Mfg. Co., Box 848 Trenton 5, N. J. ELDERFIELD, Raymond N. 15 Runswick Ave. Redcar, Yorks, England ELECTRIC AUTO-LITE CO., SPARK PLUG DIV. (Robert Twells) Box 231, Fostoria, Ohio ELECTRO REFRACTORIES * ABRASIVES CORP. (Grant S. Diamond) 344 Delaware Ave., Buffalo 2, N. Y. ELJER CO., Enamel-Ware Div. (L. A. Bateman) Salem, Ohio ELLARD, Earle R. (RI) 344 Clinton Ave., Tiffin, Ohio (Basic, Inc.) ELLEFSON, B. S. (G) Sylvania Electric Products, Inc. 1740 Broadway, New York 19, N. Y. ELLIOTT, Amos W. (B) Covered Wagon Ranch Cloverdale, Calif. ELLIOTT, C. Franklin (RJ) 1237 W. Fairfax Dr. Chattanooga, Tenn. (American Lava Corp.) ELLIS, Donald G. (M) West End Chemical Co. Div. Stauffer Chemical Co. 1956 Webster St., Oakland 12, Calif. ELLIS, James S. Massachusetts Institute of Technology Rm. 4-051, Cambridge, Mass. ELLIS, J. Leslie (S) Box 47, Summitville, Ohio (Summitville Tiles, Inc.) ELLISON, Henry W. (G) 169 E. Third St., Corning, N. Y. (Corning Glass Works) ELLISON, R. W. (R) 1551 E. Loma Alta Dr. Altadena, Calif. (Consultant) ELMER, Jack T. (R) 1661 Foothill Park Circle Lafayette, Calif. (Kaiser Aluminum & Chemical Corp.) ELMER, Thomas H. (B) 219 E. High St., Painted Post, N. Y. (Corning Glass Works) ELOSUA, Bernardo (DF) Ladrillera Monterrey, S. A. Box 360, Monterrev, N. L., Mexico ELOSUA M., Bernardo (S) Ladrillera Monterrey, S. A. Box 360, Monterrev, N. L., Mexico ELSTON, Keith (LI) 117 Somerset Ave., Pittsfield, Mass. (General Electric Co.) ELY, William G. (G) Pittsburgh Plate Glass Co. 1 Gateway Center, Pittsburgh 22, Pa. EMANUEL, E. C. (G) Armstrong Cork Co. Research it Development Center Lancaster, Pa. EMHART MANUFACTURING CO. (W. H. Shorter) 333 Homestead Ave. Hartford 2, Conn. EMHISER, Donald (R) 1105 Eighth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) EMISON, M. Hershel (G) Corning Glass Works, Corning, N. Y. EMLEY, William S. (W) W. Maitland Lane, R. R. 3 New Castle, Pa. (Shenango China, Inc.) EMMERICH, Charles W. 168 S. Main St., Wellsville, N. Y. EMMERICH, Edward P. (L) 666 Mountain Blvd., Watchung, N. J. (Glenco Corp.) EMMERICH, Liberata (G) Pennsylvania State University Mineral Industries Library- University Park, Pa. EMRICH, Allen H. 750 Brookside Dr., Columbus 9, Ohio EMRICH, Barry R. (GJI) R. R. 1, Baltimore Rd. Schdel Dr., Lancaster, Ohio (Anchor Hocking Glass Corp.) EMRICH, Emerson W. (MI) R. T. Vanderbilt Laboratories East Norwalk, Conn. EMRICH, Harold W. (SI) 1560 S. Krameria, Denver, Colo. (Denver Brick & Pipe Co.) ENBERG, Christer Tegellaboratoriet (Brick Laboratory) Drottning Kristinas vag 45 Stockholm O, Sweden ENGELHARD, CHARLES, INC. (E. P. Anderson) 850 Passaic Ave., East Newark, N. J. ENGLE, Glen B. (B) Speer Carbon Co., Research Div. Packard Rd. & 47th St. Niagara Falls, N. Y. ENGLERT. William J. (G) 304 Vernon St.. New Kensington, Pa. (Pittshureh Plate Glass Co.) ENGLISH CHINA CLAYS SALES CORP. 6 E. 45th St., New York 17, N. Y. ENHUS. Hans Gosta AB Malardalens Tegelbruk 27 Eriksbergsgatan Stockholm 3, Sweden R oster 29 Ii ii I ( I it-. .'LOE, Scroop W. (M) Dillsboro, . C. (Harris Clay Co.) 'LOE, Scroop W., Jr. (M) Harris Clay Co., Spruce Pine, N. C. :OCH, Charles R. (R) gpring Ln., Bridgeport, Pa. ctory Specialties Co.) Kenneth (GJ) Box 1592, Anderson, S. C. (Owens-Corning Fiberglas Corp.) STEIN, Edward, Jr. (R) Laclede-Christy Works Refractories Div., H. K. Porter Co. 4705 Ridgewood Ave., St. Louis, Mo. ARD, Edward (G) Vidrio Neutro, S. A. Prolongacin Calle de la Rosa No. 9, Atzcapotzalco, D. F., Mexico 1ICKSON, A. Alfred (G) 84 Pershing St., Corning, N. Y. (Corning Glass Works) llCKSON, Allen J. (G) 4239 E. 74th St., Seattle 15, Wash. (Northwestern Glass Co.) ilE TECHNICAL CERAMICS DIV. ERIE RESISTOR CORP. i Bobby L. Joyner) Box 677, State College, Pa. LNSBERGER, Fred M. (B) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. INST, Walter S. (M) 908 Wedgewood Dr. Knoxville 14, Tenn. (Volunteer Portland Cement Co.) INST, Walter S., Jr. (X) Norton Co. One New Bond St., Worcester, Mass. ISLEY, Emmett J. (GJ) R. R. 1, Box 352-B 24585 Wayman St., Newhall, Calif. (Thatcher Glass Mfg. Co.) t ^ ^ G u y , Jr. (B) . ^ ^ ^ k rc h Laboratory, Norton Co. ^^H iester, Mass. IWIN, Lee R. (G) 419 Tocino, Duarte, Calif. (Carrier Corp.) IZEN, Frank C. (LI) 731 S. Greenberry Dr. West Covina, Calif. (Consolidated Electrodynamics Corp.) iCHENBURG, Robert L,, II Floresville, Texas >COBAR, Alfonso Reyes (E) Hojalata y Lamina, S- A. Apartado Postal 996 Monterrey, N. L., Mexico . iSELSTYN, Willard A. (G) R. R. 1, Box 104, Canonsburg, Pa. (W. A. Esselstvn & Co.) STES, Joseph F. (W) Haeger Potteries. Inc. 7 Maiden Lane. Dundee, 111. THEREDGE, Otis K. (M) Box 252, Gordon, Ga. (Southern Clays, Inc.) TRIS, Samuel F. (R) 100 W. Nippon St. Philadelphia 19, Pa. (American Society for Testing Materials) JBANK, William R. (B) 2301 Hudson Rd., St. Paul 6, Minn. (Minnesota Mining & Mfg. Co.) JBANKS. Alfred G. (E) 10802 Stella Court, Kensington, Md. (National Bureau of Standards) :JSNER, George R. (R) 1025 Summitt St., McKeesport, Pa. [ited States Steel Corp.) # Charles E. (MI) endall Rd.. ^Franklin Park. N. J. TTIitanium A.Hoy Mfg. Div. National Lead Co.) VANS, C. L. (W) Universal Clay Products Co. Box 1631, Sandusky, Ohio OL. 37, No. 10 (1958) EVANS, Edward J. Welsh Tinplate & Metal Stamping Co. Ltd., Box 14 Llanellv, Carmarthenshire, Wales EVANS, Isaac R. (G) Pittsburgh Plate Glais Co. Works #10, Henryetta, Okla. EVANS LEAD CORP. (Fred Leake, Jr.) Box 1467, Charleston 25, W. Va. EVANS PIPE CO. (T. J. Evans, III) Box 351, Uhrichsville, Ohio EVANS, Richard F. (W) 504 N. Orchard Rd., Syracuse 9, N. Y. (Tru-Tile, Inc.) EVANS, Ross M. (S) 604 E. Mechanic St., Brazil, Ind. (Arketex Ceramic Corp.) EVANS, T. J., I ll (S) Evans Pipe Co. Box 351, Uhrichsville, Ohio EVANS, W. Gordon Geo. L. Ashworth & Bros. Ltd. Broad Street Works Hanley, Stoke-on-Trent, England EVANS. William W. (SI) R. R. 4, State Rd. 340 W., Brazil, Ind. (American Vitrified Products Co.) EVERHART, J. O. (SFI) Engineering Experiment Station Ohio State University Columbus 10, Ohio EWING, Robert F. (WI) Mansfield Sanitary, Inc. Perrysville, Ohio EXOLON CO. (Harvey J. Robillard) 1000 E. Niagara St., Tonawanda, N. Y. EYERLY, George B..(S) Malvern Brick & Tile Co., Box 415 Malvern, Ark. F FABER, William M., Sr. 1025 Fulton St.. Elkhart, Ind. FAB1AN1C, W. L. (RFI) Laclede-Christy Works Refractories Div., H. K. Porter Co. 4705 Ridgewood Ave., St. Louis, Mo. FABRICA de LADRILLOS INDUSTRIALES, y REFRACTARIOS, S. A. (Salvador Odriozola Gomez) Apartado 390, Monterrey, N. L., Mexico FABRICA de PORCELANA da VISTA ALEGRE, LDA. Gabinete e Lab. Central de Estudos Candal, Vila Nova de Gaia, Portugal FACKT. George P. (WF) 408 Paseo del Mar, Box 878 Palos Verdes Estates. Calif. (Redondo Tile Co., Ltd.) FAHNERT, Curtis E. (D) Hutchinson Hall, Apt. 4C Canonsburg, Pa. (Canonsburg Pottery Co.) FAHRENBRUCK, William O. (BI) R.R. 1. Box 95. Tiffin, Ohio (Sterling Grinding Wheel Co.) FAILMEZGER, Howard (WFI) Victor Insulators Div., I-T-E Circuit Breaker Co. 280 Maple Ave.. Victor, N. Y. FAIN. Charles C. (X) Box 924, Clemson. S. C. (Clemson College) FAIRFACTS CO.. (J. Ryan Smith) Fairfacts St., Trenton 8. N. J. FALCONER, Donald P. (L) 1018 Maple Ave., Evanston, 111. (Sales Engineer) FALLON, Frank J. (WI) 30 Foster Dr., Framingham. Mass. (Raytheon Manufacturing Co.) . FALLS, Joseph (G) Dearborn Glass Co., 6600 S. Harlem Bedford Park. P. O. Argo, 111. FALTER, Arthur H. (R) 8635 Jacob PI.. Niagara Fall'. N. Y. (Carborundum Co.) FANDERLIK, Milota Nerudova 10 Hradec Kralove, Czechoslovakia (State Glass Research Institute) FARGO, Jarvis J. (L) 2926 Paraiso Way, La Crescenta, Calif. (Gladding, McBean & Co.) FARKAS, Howard (M) United States Stoneware Co. 60 E. 42nd St., New York 17, N. Y. FARR, Archie E. (E) O. Hommel Co., Box 475 Pittsburgh 30, Pa. FARRAND, Rosalie S. (L) 2100 Monterey Ave. Menlo Park, Calif. (Sylvania Electric Products, Inc.) FARROW, Lewis C. (E) R. R. 1, Clyde, Ohio (Whirlpool Corp.) FASOLD, G. A. (E) 7329 Bernard Ave., Cincinnati 31, Ohio (Philip Carey Mfg. Co.) FAUCHON-BAUDOT, J. B. Ets. Fauchon-Baudot 21, Ave. de Tourville, Paris 7, France FAULKNER, Donald D. (G) Demuth Glass Works, Inc. Box 629, Parkersburg, W. Va. FAULKNER, Karl B. (G) 179 Victory Hwy., R.R. 2 Painted Post, N. Y. FAUST. Ernest H., Jr. (RI) 58 Klarman Dr., Mt. Carmel, Conn. (American Refractories & Crucible Corp.) FAUST, George T. (B) 9907 Capitol View Ave. Silver Spring, Md. (U. S. Geological Survey) FAY. Wayne X. (RFI) General Refractories Co. 707 Knox Rd., Villanova, Pa. FEAGIN, R. C. (BI) Austenal, Inc., Box 625, Dover, N. J. FEDERAL GLASS CO. (Henry H. Blau) 515 E. Innis Ave. Columbus 7, Ohio FEDERAL SEABOARD TERRA COTTA CORP. (O. E. Mathiasen) Box 301, Perth Amboy, N. J. FEDOCK, Michael P. (R) 4214 Ashwood Dr., N. W. Canton 8, Ohio (Republic Steel Corp.) FEHR, Gerald K. 2728 Lincolnway, Ames. Iowa FEIGELSON, Robert S. ( BJ) 35 Bishop Dr.. Framingham, Mass. FEJERVARY, John (R) 5150 Badger Rd., Santa Rosa, Calif. (Peletz Construction Co.) FELD, Philip (RJ) 1627 W. Seventh Ave., Spokane, Wash. (U. S. Army) FELDMAN, Gail H. (GJ) 43 Villa Ct., Hempstead, N. Y. (United States Navy) FELDMEIER, Paul (G) Paul Wissmach Glass Co., Inc. Paden City, W. Va. FELKER. Ernest (W) 8408 Summer Rd., R. R. 2 Northfield, Ohio (Ferro Corp.) FELLOWS. R. L. (EFI) 748 N. Kensington Ave., La Grange, III. (Century Vitreous Enamel Co.) FELS, C. G. (RI) 1! DeForrest Ave. North Plainfield, N. J. (Fels Refractories, Inc.) FELTON. Ernest 990 N. Park Ave., Pomona, Calif. FENERTY, M. J. (B) Aluminum Co. of Canada Arvida, Que., Canada R oster 31 NITY, Robert D. (LI) Minneapolis-Honey well Research Center 50U Washington Ave. S.. Hopkins, Minn. iMACHER, John E. (R) . Barnard St. College, Pa. nson-Walker Refractories Co.) SNTON ART GLASS CO. (Frank M. Fenton) Williamstown, W. Va. ENTON, Frank M. (G) Fenton Art Glass Co. Williamstown, W`. Va. EXTON, Walter M. (E) Lithium Corp. of America, Inc. 1100 Title Insurance Bldg. 400 Second Ave., S. Minneapolis 1, Minn. ENTZKE, A. Daniel (R) 1705 Holly Hill Rd., Augusta, Ga. (Babcock & Wilcox Co.) ERENCE, Michael, Jr. (B) Ford Motor Co., Scientific Lab. Box 2053, Dearborn, Mich. ERGUSON, Donald Box 929, Alfred, N. Y. ERGUSON, Douglas J. (D) Pigeon Forge Pottery Pigeon Forge, Tenn. ERGUSON, D. Robert, III (R) 401 Vine St., East Liverpool, Ohio (Crescent Brick Co., Inc.) ERGUSON, John A. (S) Mellon Institute 4400 Fifth Ave., Pittsburgh 13, Pa. ERGUSON, Robert L. (S) Yankee Hill Brick Mfg. Co. 728 Stuart Bldg., Lincoln 8, Nebr. ERRARA, Anthony C. (W) Box 128, Landisville, N. J. (Tronex, Inc.) ERREIRA, Laurence E. (B) ^^^KLookout View Dr., Golden, Colo, ^ ^ ^ f tr s Porcelain Co.) E n iR s , Daniel Vidplan S. A., Real No. 4415 Montevideo, Uruguay ERRIS, Harry Philip (M) 20 Birch Dr., Levittown, Pa. (Simonds Abrasive Co.) ERRIS. James E. (G) Hooker Electrochemical Co. Niagara Falls, N. Y. ERRO CORP. (R. A. Weaver) 4150 E. 56th St., Cleveland 5, Ohio ERRO ENGINEERING DIV. OGLEBAY NORTON CO. (Benjamin F. Anthony) Box 6508, Cleveland 1, Ohio ESLER, Ray T. (W) A.A.A. Corp., Box 270, Gadsden, Ala. ESSLER, A. H. (WFI) Highland Park Sta., Panama City, Fla. (A C Spark Plug Div., General Motors Corp.) ETTER, H. (R) Cia. Mexicans de Refractarios A. P. Green, S. A. Apartado Postal 71 Bis, Mexico, D. F. 'ETTERLEY, Guy H. (R) Box 26, Chippawa, Ont., Canada (Norton Co.) ETTEROLF, Fred (R) Aluminum Co. of America 2331 Victory Pky., Cincinnati 8, Ohio ETTERS, Cecil R. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio ^ETZER, George W. (M) ^M Q5 17th Ave., Columbus 11, Ohio ^ ^ B o r g e Fetzer Ceramic Supplies) 7B B n lG , Claus A. Eie Stentfifabrik Egersund, Norway ?IBERGLAS CANADA, LTD. ' (John MacRae) Box 309 ~ Guelph, Ont., Canada ^OL. 37, No. 10 (1958) FIEDLER, William S. (G) Bjorksten Research Labs., Inc. Box 265, Madison 1, Wise. FIELD, Clarence (L) RAF Electronic Lab. 1335 17th Ave., Santa Cruz, Calif. FIELD, Theodore E. (B) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. FIELDS, Ernest, Jr. (S) W. S. Dickey Clay Mfg. Co. 922 Walnut St., Kansas City 6, Mo. F1ELER, Richard J. (SJ) St. Joseph Lead Co. Box 97, Monaca, Pa. FILES, John A. (E) Box 47, Amboy, Ind. (Radio Corp. of America) FIL1PPI, Charles R. (S) Illinois Brick Co. Box 206, Blue Island, 111. FILIPPI, Hugo (SF) 11406 Calumet Ave., Chicago 28, 111. (Illinois Brick Co.) FILLMORE, Charles L. (LI) Globe-Union, Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. FINDLAY CLAY PRODUCTS CO. (R. S. Craft, Box 517, Washington, Pa. FINLAY, G. R. (R) 2231 Waters Ave. Niagara Falls, Ont., Canada (Norton Co.) FINLAYSON, John R. (B) American--Standard, Foreign Div. 40 W. 40th St., New York 18, N. Y. FINNEY, Edwin L. (S) Claycraft Co., Shawnee, Ohio FIRESTINE, Arthur G. (G) 34 Dewey Ave., Fairport, N. Y. (Bausch & Lomb Optical Co.) FISCHER, Eugene A. (R) 108 Newton Ave., N. Worcester 9, Mass. (Norton Co.) FISCHER, Robert J. (L) 20 Fairway Ave. West Long Branch, N. J. (Signal Corps Engineering Labs.) FISH, E. Thomas (RI) Great Lakes Carbon Corp. 58th & Pine Ave., Niagara Falls, N. Y. FISHER, Eugene A. (G) Electric Auto-Lite Co. Spark Plug Div., Fostoria, Ohio FISHER, Henry C. (RF) 50 Coventry Rd., Worcester 6, Mass. (Norton Co.) FISHER, Joseph R. (W) Bell Telephone Labs., Rm. 1B424 Murray Hill, N. J. FISHER, Richard G. 27 State St., Hornell, N. Y. FISHER, William V. (G) Anchor Hocking Glass Corp. Lancaster, Ohio FISHLEY, William S. (W) Sparta Ceramic Co. East Sparta, Ohio FISH-SCHURMAN CORP. (Murray Yawitz) 70 Portman Rd. New Rochelle, N. Y. FITZGERALD, Alex E. (RI) A-4 Avon Apts., Narberth, Pa. (General Refractories Co.) FITZGERALD, Joseph M,, Jr. (L) Kay Electric Co. Maple Ave., Pine Brook, N. J. FITZGERALD, J. Vincent (W) Tile Council of America, Inc. Research Center Box 326, Princeton, N. J. FITZPATRICK, William D. (R) 5127 S. Passage Dr., Pittsburgh 36, Pa. (Harbison-Walker Refractories Co.) FITZSIMMONS, Elmer S. (BI) 7400 S. Timberlane Dr. Cincinnati 43, Ohio (General Electric Co.) FITZSIMMONS, Robert F. (W) R. R. 1, Oakfield, N. Y. (Lapp Insulator Co., Inc.) FIX, William G. (M) Carborundum Co., Refractories Div. 3335 W. 47th St., Chicago 32, 111. FLANAGAN, Charles D. (B) 1152 Oak Hill Ave., Attleboro, Mass. (Spencer Thermostat Div.) FLEISCHER, Arthur (B) 38 Village Dr., Livingston, N. J. (Thomas A. Edison Industries) FLEISCHER, Donald H. Box 274, Alfred, X. Y. FLEMING, A. P. M. Metropolitan Vickers Electrical Co., Ltd. Trafford Park, Manchester 17, England FLEMING, Charles A. (El) 3613 General Bates Dr. Nashville 4, Tenn. (Pemco Corp.) FLEMING, David M. (S) 308 E. Third St., Watsontown, Pa. (Glen-Gerv Shale Brick Corp.) FLEMING, Thomas T. (R) Frank Samuel & Co., Inc. 2200 Lincoln-Liberty Bldg. Philadelphia 7, Pa. FLEXON, John D. (R) 3440 Gallatin Rd., Toledo, Ohio (Owens-Illinois) FLICK, Fulton B. (RF) Brown, Critchlow, Flick & Peckham 1706 First National Bank Bldg. Pittsburgh 22, Pa. FLINT, E. P. (BI) Arthur D. Little, Inc. 30 Memorial Dr., Cambridge 42, Mass. FLINT, Francis C. (GFI) Box 725, Wheeling, W. Va. (Consultant) FLIPSE, Merle K. (RJ) Electric Auto-Lite Co. Spark Plug Div., Fostoria, Ohio FLORENCE, Jack M. (G) Kimble Glass Co. Box 1035--1036, Toledo 1, Ohio FLORIDA TILE INDUSTRIES, INC. (James W. Sikes) 608 Prospect St. Box 451, Lakeland, Fla. FLU, Eldon Bruce (W) 1533 Crooks Rd., Royal Oak, Mich. (Ceramic Div. Champion Spark Plug Co). FLYNN, Paul H. (B) International Nickel Co., Inc. Bayonne Works, Bayonne, N. J. FOARD, James E. (R) Phelps Dodge Corp. Morenci Branch, Morenci, Ariz. FOEHSE, George A. (E) 921 Lincoln Ave., Sand Springs, Okla. (Southwestern Porcelain Steel Corp.) FOGELBERG, Sven Webb's Crystal Glass Co., Ltd. Dennis Glassworks Stourbridge, England FOLKERS, Charles L. (RI) Kaiser Aluminum & Chemical Corp. 1600 S. Main St., Milpitas, Calif. FOLWELL, Marjorie Box 576, Alfred, N. Y. FONTANA, Eugene H. (G) Box 259, Corning, N. Y. (Corning Glass Works) FONVIELLE, Frank P., Jr. (WI) Dentist Supply Co. of New York 500 W. College Ave., York, Pa. FOOTE MINERAL CO. (John D. Clark) 18 W. Chelten Ave. Philadelphia 44, Pa. FORAKER, Robert W. (El) Titanium Pigment Corp. 99 Hudson St., New York 13, N. Y. - R oster 33 RBES, Charles C. -(G) Westinghouse Electric .Corp. Box 284, Elmira, K. V. RBES, William Demerara Bauxite Co. Mackenzie, British Guiana R O fl^ank J. (W) ^ ^ ^ H T ile Mfg. Co. wBRilroad St., Corona, Calif. RD, Fred J. (S) Box 395, San Francisco, Calif. ( Manufacturers' Agent) RD, George D. (WI) 2136 Wilmer St., Zanesville, Ohio (Mosaic Tile Co.) RD MOTOR CO. IMichael Ference, Jr.), Scientific Lab. Box 2053, Dearborn, Mich. RD, Walter D. (GI) Pittsburgh Corning Corp. Research & Development Div. Port Allegany, Pa. RD, William D. (E) Sears, Roebuck & Co., Dept. 817 3301 W. Arthington, Chicago 7, 111. iRDHAM, Elmo A. (W) Insulator Dept., General Electric Co. Box 57, Baltimore 3, Md. )RDS PORCELAIN WORKS (I. A. Hansen) Perth Amboy, N. J. RESTER, Wilfred G. (S) 'eritas Firing System Co. Trenton 6, N. J. -u . i, C. P. razil HAtlXv, ..enry R. (XI) Fairview Ave., Blacksburg, Va. 4Virginia Polytechnic Institute) DRJAN, Sydney A. (B) Dept, of Agriculture, Chemistry Div. Science Service Ottawa, Ont., Canada }JRKNNIIAA, 1Robert F. (EJ) :iarmon Dr., Lubbock, Texas _____ Air Force) D lV F RRo b ert D. (E) N. W. Circle Dr. Ka.mkaNkee, III. (Roper Corp.) ORWARD, Frank A.: (B) University of British Columbia Dept, of Mining & Metallurgy Vancouver 8, B. C., Canada OSDlCK, Marion L. (DF) 100 N. Main St., Alfred, N. Y. OSTER-FORBES GLASS CO. (F. R. Motsch) Marion, Ind. OSTER, H. B. (S) Brick & Tile Service, Inc. Box 6305 Summit Sta. Greensboro, N. C. OSTER, Luther M. (B) Aluminum Co. of America Alcoa Research Labs. Box 772, New Kensington, Pa. OSTER, Wilder D. (B) 5405 Bower Ave., Verona, Pa. ? (U. S. Bureau of Mines) OSTER, Wilfrid R. (BF) -.Department of Mineralogy Ohio State University Columbus 10, Ohio ?OSTORIA GLASS CO. tV(Roy G. Yeater) Moundsville, W. Va. FOUCART, Donald D. (G) ,.,439 N. Main St., Dunkirk, Ind. bf,(Corning Glass Works) fQULDS, Donald T. (W) |p4S05 W. 145th, Cleveland 35, Ohio jSfCleveland Ceramic Corp.) .Charles S. (R) linum Co. of America Olive St., St. Louis 8, Mo. Joseph C. (G) _ Ids M. Palmer & Associates 1 Jackman Rd., Toledo 12, Ohio Marilyn >* 161, Alfred, N. Y. 37, No. 10 (1958) FOXALL, Robert B. (R) 3313 Warren Rd., Cleveland 11, Ohio (North American Refractories Co.) FRADr William A. (R) 1800 Oak St., Rolla, Mo. (Missouri School of M*ne>) FRAHME, Herman H. (LI) 2358 Banning Rd., Akron 13, Ohio (U. S. Stoneware Co.) FRAME, Dudley P., Jr. (MI) Miller Equipment Co. Box 1566, Salisbury, N. C. FRANCE, J. H., REFRACTORIES CO. (William A. France) Snow Shoe, Pa. FRANCE, William A. (R) J. H. France Refractories Co. Snow Shoe, Pa. FRANCIS, Ronald K. (I) Box 164, Alfred, N. Y. FRANCISCO. Allen C. (RI) 15651 S. E. 24th St., Bellevue. Wash. (Boeing Airplane Co.) FRAN CL, Josef (B) 1802 Perth St., Toledo 7, Ohio (Owens-Illinois) FRANDSEN, Erik A/S Kastrup Glasvaerk 12 Norre Voldgade Copenhagen K, Denmark FRANK, Henry A. (W) Rockport Sanitary Pottery Corp. Rockport, Ind. FRANK, John (D) Frankoma Pottery, Box 789 Sapulpa, Okla. FRANKLIN, Earl W. (GI) 401 Broad St., Port Allegany, Pa. (Pittsburgh Corning Corp.) FRANKLIN, W'illiam S. (LI) 70-07 261st St., Glen Oaks, L. I., N. Y. (Sperrv Gyroscope Co.) FRANKOMA POTTERY (John Frank) Box 789 Sapulpa, Okla. FRANTZ, Samuel G. (M) S. G. Frantz Co., Inc. Box 1138, Trenton 6, N. J. FRANTZ, S. G., CO., INC. (Samuel G. Frantz) Box 1138 Trenton 6, N. J. . FRANTZ. Thomas O. (W) 15 Echo Lane, Levittown, Pa. (Trenton Potteries Co.) FRANZ, Leo J. (S) Acme Brick Co. Box 448. Malvern, Ark. FRASER, Orray T. (GI) . 574 E. Mithoff St., Columbus 6, Ohio (B. F. Drakenfeld & Co., Inc.) FRASER. Walter A. (G) Fraser Glass Co., Inc. 1320 E. 56th St., Chicago 37, 111. FRASER, W. B. (S) Fraser Brick Co., Box 144 Dallas 1, Texas FRAULINI. Felix M. (R) South Shore, Ky. (Plibrico Co.) FRAYNE, Clifford G. (L) 3 Green St., Washington, N. J. (C. K. Williams & Co.) FRAZIER. C. E. (GF) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. FRAZIER, C. T. (G) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. FRAZIER, J. Earl (GFI) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. FRAZIER-SIMPLEX, INC. (C. E. Frazier) 436 E. Beau St. Washington, Pa. FRECHETTE, Howells (Life, SF) 52 Park Ave.. Ottawa, Ont, Canada FRECHETTE, Van Derek (BFI) State University of New York College of Ceramics Alfred, N. Y. FREDERICK, C. L. (RI) 235 Meadowood Ln. Chagrin Falls, Ohio (North American Refractories Co.) FREDERICK, Gilbert M. (R) Babcock & Wilcox Co. 3 Penn Center Plaza Philadelphia 2, Pa. FREDER1CK, Vernon W. (G) Libbey-Owens-Ford Glass Co. Rossford, Ohio FREDERICKS, John D. (S) Pacific Clay Products Box 2178, Terminal Annex Los Angeles 54, Calif. FREDERICKS, John D. 411 Herrick St., Elmira, N. Y. FREDRIKSSON, John I. (R) Norton Co., Box 87 Niagara Falls, Ont., Canada FREEMAN, Charles A. (RFI) Harbison-Walker Refractories Co. Box 150, Canon City. Colo. FREEMAN, Edgar H. (W) Norris-Thermador Corp. 20118 E. Valley, Walnut, Calif FREEMAN. John L. (RJ) R. R. 2. Henderson, N. C. (Harbison-Walker Refractories Co.) FREEMAN, William J., Ill 28 New Holland Ave., Shillington, Pa. FRENCH, Myrtle M,, (DF) 128 N. Main St., Alfred, N. Y. FRENCH, Preston W. (GI) 1517 Union Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) FRESH. Donald L. (L) Motorola, Inc., Phoenix. Ariz. FREY, E. F. (M) DeVilbiss Co. Phillips & Detroit Ave. Toledo 1, Ohio FRIDDLE, Edward W. 15 S. West St., Raleigh, N. C. FRIEDBERG, Arthur L. (EF) University of Illinois 217 Ceramics Bldg., Urbana, 111. FRIEDMAN, Louis K. (W) Homer Laughlin China Co. 212 Fifth Ave., New York, N. Y. FRIGIDAIRE DIV. GENERAL MOTORS CORP. Plant #2, Dayton 1, Ohio FRISK, Norman E. (R) 2046 Evansdale Ave., Toledo 7, Ohio (Owens-Illinois) FRITZ. Earl C. (W) 86 S. Main St., Frankhnville, N. Y. (Precision Ceramics, Inc.) FRITZ, E. H. (WFI) 710 Walnut St., Latrobe, Pa. (Carborundum Co.) FROBERG, Laird (R) Owens-Coming Fiberglas Corp. Case Ave., Newark, Ohio FROEMEL, John G. (L) Synthetic Mica Co. ^ 20 Passaic Ave., Caldwell. N. J. FROME, Howell E. (G) United Fuel Gas Co., Box 1273 Charleston 25. W. Va. FRONCZAK, E. T. (S) Richland Shale Brick Co., Box 328 FROST, Leon J. (E) Box 138, Lewiston, N. Y. (Consultant) FRY. Herbert G. National Enamels. Ltd., 53 Norman R<1 ___ t nti/^nn Q F. in F n ? lnH FRYE, Harry D. (G) 2441 Georgetown Ave. Toledo 13, Ohio (Owens-Illinois) FRYE, John C. (B) State Geological Survey 121 Natural Resources Bldg. Urbana, 111. R oster 35 T ry " t :YE, John F. (R) 3XJ12 Farrior Rd., Raleigh, N. C. (North Carolina State College) iYSIXGER, James B. (M) Pennsylvania Pulverizing Co. Two Gateway Center, Pittburgh, Pa. KLIDA, Javier H. Standard, S. A. larconi 53-10, Sao Paulo, Brazil _ kashi University of North Carolina Dept, of Chemistry, Chapel Hill, N. C. JLKER; Richard H. (El) 1408 Nicklin Ave., Piqua, Ohio (emco Corp.) JLLER, A. A. (X) 322 S. Twyckenham Dr. South Bend, Ind. (Sollit Construction Co., Inc.) TLLER, Donald H. (El) 335 S. Cook Ave., Trenton, N. J. (Trenton Fabricated Metal Co.) JLLER. Lee R. (WI) 1706 Harvard Ave., N. W. Canton, Ohio (United States Ceramic Tile Co.) 'LLER, Richard B. (WI) Universal Clay Products Co. 1528 First St., Sandusky, Ohio TLLER, Richard G. (W) D. E. McXicol Pottery, Box 1909 Clarksburg, W. Va. JLLER, Wilfred (E) General Steel Wares Ltd. Adelaide & Nelson Sts. London, Ont., Canada 'LMER, Raymond C. (LI) Stackpole Carbon Co., St. Marys, Pa. LRATH, Richard M. (RI) University of California 264 Hearst Mining Bldg. CaBrer-rkLeley 4, Calif. 1W 3J1NKEY, John H. (G) Carr-Lowrey Glass Co. ___ .356, Baltimore 3, Md. wBox 2I2M L , John E. (MI) llwest Research Institute '2296, San Antonio 6, Texas rRRY, Robert C. 17045 E. Eleven Mile Rd. Roseville, Mich. 'RTH, John V. (E) Ferro Corp., Res. & Development Lab. 4150 E. 56th St., Cleveland 5, Ohio JSSELL, Lynn E. (E) 3501 Tyrone Dr., Louisville 18, Ky. (General Electric Co.) WA, Tasuku Tohoku University Dept, of Metallurgy, Sendai, Japan -ERTNER, Paul C., Jr. (L) Tektronix, Inc. Box 831, Portland 7, Ore. -FFNEY, LeRoy J. 1104 W. Oregon St., Urbana, 111. .FFNEY, Robert F. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. 70 South St.. Washington, Pa. GE, Paul R. 1738 S. Fifth St., Columbus, Ohio -GIN, L. V. (G) 2365 Barrington Dr., Toledo 6, Ohio (Libbey-Owens-Ford Glass Co.) -GNER, Gerald J. 537 E. Fourth S. Salt Lake City 2. Utah -ILEY, Matthew D. 1800 Roanoke St., Seattle 2, Wash. L Taylor M. (W) Jteedley Dr., Louisville 14, Ky. erican Radiator & Standard Sanitary Corp.) -ISER, R. Arthur (G) Ball Brothers Co., Inc. ,, 1509 S. Macedonia Ave., Muncie, Ind. >t; 37, No. 10 (1958) GALBREATII, William W., Jr. (RI) Babcock & Wilcox Co. 1201 Kemper St., Lynchburg, Va. GALE, KENNETH (D) Mosaic Tile Co., Zanesville, Ohio GALE, Richard H. (B) * 183 Ridgewood Rd. West Hartford, Conn. (Combustion Engineering, Inc.) GALLUP, John (GI) Radio Corp. of America, Tube Div. 415 S. Fifth St., Harrison, N. J. GALUSHA, Richard L. (W) Continental Ceramic Corp. Box 41, Biglerville, Pa. GALVIN, G. H., Jr. (S) Rockford Brick & Tile Co. Rockford, Iowa GALVIN, Richard J. (S) Sheffield Brick & Tile Co. Sheffield 1, Iowa ' GAMBLE, David L. (R) New Jersey Zinc Co. of Pa. Research Dept., Palmerton, Pa. GAMBLE, John D. (W) Bell & Gossett Co., 8200 Austin Ave. Morton Grove, 111. GANGLER, James J. (R) 20538 Stanford Ave. Fairview Park 26, Ohio (National Advisory Committee for Aeronautics) GANGULI, Umapati Bengal Enamel Works Ltd. P. O. Bengal Enamel, Dist. 24 Parganas West Bengal, India GANPULE, Anant K. Parshuram Pottery Works Co., Ltd. Morvi, Saurashtra, India GARCIA-LEAL, Ramon (MI) Apartado Postal 1115 Monterrey N. L., Mexico (Manufacturers Representative) GARDEN, Henry R,, Jr. (S) Old Virginia Brick Co., Inc. Box 508, Salem, Va. GARDNER, John B,, Jr. (S) Hope Brick Works Box 155, Hope, Ark. GARDNER, Walter E. (SI) Ladrillera Monterrey S. A. Apartado 360 Monterrey, N. L., Mexico GARDON, Robert (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. GAREY, Maurice J. 3131 Clubside Dr.. Barberton, Ohio GARFIELD REFRACTORIES CO. (Kenneth A. Rugh) Bolivar, Pa. GARLAND, C. F. (S) Mason City Brick & Tile Co. Mason City, Iowa GARLICK, Oakley H. (M) Paul O. Abbe, Inc. 400 Center Ave., Little Falls, N. J. GARLICK, Philip L. (I) 1 Gladys St., Cyrildene Johannesburg, South Africa (Primrose Brick Works) GARONZIK, S. H. (S) 4211 Brookview Dr., Dallas, Texas (Crown Brick Mfg. Co.) GARSTANG, Alec King, Taudevin & Gregson Ltd. Grindlegate Works, Scotland St. Sheffield 3, York, England GARTNER, Carl W. (W) General Color & Chemical Co., Inc. Box 7, Minerva, Ohio GARTNER, George C. (W) General Color & Chemical Co., Inc. Box 7, Minerva, Ohio GARVE, T. Walter (SFI) 69 W. Weisheimer Rd. Columbus 14, Ohio (Consulting Engineer) GARVERICK, R. A. (D) Huber-Warco Co. American Clay Machinery Div. 202 N. Greenwood St., Marion, Ohio GARVEY, Lawrence P. (LI) RCA Victor, 415 S. Fifth St. Harrison, N. J. GASKINS, W. W. (MFI) Sierra Talc & Clay Co. Box 390, South Pasadena, Calif. GASQUE, W. D. 2225 Blossom St., Columbia, S. C. GATES, Daniel W. (BI) 3026 Crescent Circle, S. E. Huntsville, Ala. (U. S. Armv Ord., Redstone Arsenal) GATES, Louis E., Jr. (L) 3901 W. 102nd St., Inglewood 2, Calif. (Hughes Aircraft Co.) GATES, Major E. (R) 773 Vista Grande Ave. Los Altos, Calif. GATLIN, E. H. (S) Texas Clay Products Co. Box T, Malakoff, Texas GAUDIAN O, Victor M. (W) Sanitarios El Aguila S. A. Apartado Postal 26808, Zona 14 Mexico, D. F. GAUNDER, Wilbur F. (G) Pittsburgh Plate Glass Co. Works No. 11, Mt. Vernon, Ohio GAUTSCH, Murray C. (MI) Metal & Thermit Corp. 415 E. 151st St., East Chicago, Ind. GAVIN, G. P. (W) Kohler Co., Kohler, Wise. GAWTHROP, Alfred (S) Chicago Brick Co. 135 S. LaSalle St., Chicago 3, 111. GEBLER, Kenneth A. (W) Vitro Labs., 200 Pleasant Valley Way West Orange, N. J. GEE, Kenneth H. (B) R. R. 4, Black River Rd. Bethlehem, Pa. (Bethlehem Steel Co.) GEIER, Philip O., Jr. (R) Cincinnati Milling Products Div. Cincinnati Milling Machine Co. 4701 Marburg Ave., Cincinnati 9, Ohio GEIGER, Charles F. (RFI) 176 Maple Ave., Metuchen, N. J. (Carborundum Co.) GEIGER, Joseph S. (L) 1 Overhill Dr., Madison, N. J. (Titanium Alloy Mfg. Div. National Lead Co.) GEISINGER, E. E. (EF) Pfaudler-Permutit, Inc. 1000 West Ave., Rochester 3, N. Y. GELLER, Harold I. Box 604, Alfred, N. Y. GELLER, R. F. (WFI) 5427 York Lane, Bethesda 1,4, Md. (National Bureau of Standards) GELSTHARP, Frederick (GF) c/o W. A. Burdette, Stevenson, Md. (Pittsburgh Plate Glass Co.) GELTMAN, Gerald (BJ) 276 Winthrop Rd., Teaneck, N. J. (Curtiss-Wright Corp.) GEMP, Robert W. (R) 500 Michell St., Ridley Park, Pa. GENDEL, Sydney Z. (R) 4050 Eastway Rd. South Eclid 21, Ohio (Zirconium Corp. of America) GENERAL CERAMICS CORP. (Salvatore Ortepio) Crows Mill Rd., Keasbey, N. J. GENERAL COLOR & CHEMICAL CO., INC. (George C. Gartner) Box 7, Minerva, Ohio GENERAL ELECTRIC CO. (L. E. Thiess) Insulator Dept. Box 57, Baltimore 3, Md. R oster 37 NERAL ELECTRIC CO. (W. S. Kahlson) Lamp Dept., Pitney Glass Works Nela Park 12, Qeveland, Ohio NERL ELECTRIC CO. Specialty Electronic Components Dept., (N. F. Shofstall) Movne Ave., Syracuse 8, N. Y. CLASS NATIONAL, INC. . A. Plumbo) 5 S. Virginia Ave. Atlantic Citv, N. J. NERAL REFRACTORIES CO. (Russell P. Heuer) 1520 Locust St. Philadelphia 2, Pa. NERAL SHALE PRODUCTS CORP. ( R. B. Hockaday) Box 909, Kingsport, Tenn. NTRY, Raymond (G) Alexander H. Kerr & Co., Inc. Box 2008, Santa Ana, Calif. NTSCH, A. Page (M) United Clay Mines Corp. 101 Oakland St., Trenton, N. J. NTSCH, Bernhard F. (M) United Oay Mines Corp. 101 Oakland St., Trenton. X J ORGE, W. R. CW) Canonsburg Pottery Co. Canonsburg, Pa. iORGIA KAOLIN CO. (Robert H. Bollinger) 433 N. Broad St., Elizabeth 3, N. J. PHART, Charles D. (S) Cedarhurst, Holly Springs, Miss. (Hollv Springs Brick & Tile Co., Inc.) iRARD-HIRNE, Jean Socit Franaise de Cramique 23 rue de Cronstadt, Paris 15, France iRBER, Oscar L. (W) Kokomo Sanitary Pottery Corp. 232 N. Clark St., Chicago 1, 111. RCAR, Francisco J. S. A. Cristalerias Del Uruguay ercio 1491, Montevideo, Uruguay k p T , John Y. (B) K pw orth Ave. :innati 11, Ohio (General Electric Co.) iRSCH, Herbert (B) 9800 Oakwood Dr., Twinsburg, Ohio (Horizons, Inc.) iRSTENSCHLAGER, V., Jr. (R) Babcock & Wilcox Co., Box 923 Augusta, Ga. 1RSTER, C. W. (WI) ICTTB(TPDPTPHowriaOataxIvtottN,sittsbe6A,G1ur&HlsF4arlo,tagi.WernnhEewWhaa2(FBsyiyB2ttonnr.JiuneCLcIPny)kieadv(n.RAreCtyre)ioprr.,co&roRalf,mMt O.ach4h2io7ine Co.) Canel Project, Middletown, Conn. IERING, Leonard G. (GF) Preston Laboratories, Inc. Box 149, Butler, Pa. ACOMELLI, Domenico Soc. It. Refrattari Marghera Azionaria Via Industrie 52 Cas. Post. 308 Marghera, Venice, Italy BB, Mary J. American Ceramic Society 4055 N. High St.. Columbus 14, Ohio BBONS, Eugene, Jr. (S) 635 N. James St., Hazleton, Pa. (Locust Dale Mining & Contr. Co.) BBONS, J. Arthur (S) Elgin Standard Brick Mfg. Co. Box 546,-Elgin, Texas 5. (E) Co., Quality Control Dept, i, Ind. C. (R) W. C. Gibbs Co. 2201 Highland Ave. Birmingham 5, Ala. 3L. 37, No. 10 (1958) GIBSON, Frank B. (E) Wescosville, Pa. (Caloric Appliance Corp.) GIBSON, R. L. (WI) 1314 Wilmington Ave. New Castle, Pa. (Shenango China, Inc.L GIBSON, Robert C. (E) Parker Rust Proof Co. 2177 E. Milwaukee Ave. Detroit 11, Mich. GIBSONBURG LIME PRODUCTS CO. (V. S. Tadsen) Gibsonburg. Ohio GIESEKE, Frans , . Kockums Emaljerverk Ronneby, Sweden G1ESER, Ralph H., Jr. (E) Day & Night Mfg. Co. 855 Anaheim Puente Rd. La Puente. Calif. GIESS, Edward A. (I) Box 903, Alfred, N. Y. GIL, David (D) 122 McCall St., Bennington, Vt. (Cooperative Design) GILBERT, Ark G. (S) Fate-Root-Heath Co., Plymouth, Ohio GILBERT, George W. (G) Owens-Corning Fiberglas Corp. 598 Madison Ave., New York 22, N. Y. GILES, James H., Jr. (El) 1851 Brett St., Apt. 2 Pittsburgh 5, Pa. (O. Hommel Co.) GILES, Thomas M. 1674 Berkshire Rd., Columbus, Ohio GILFILLAN, B. T. (R) Climax Fire Brick Co., Climax, Pa. GILFILLAN, J. M. (W) New Jersey Porcelain Co. Box 908, Trenton 5, N. J. GILL. John H. (R) Gill Clay Pot Co., Muncie, Ind. GILL, Joseph W. (MI) 685 Van Buren St., Des Plaines, 111. (U. S. Gypsum Co.) GILL, Leo L. (R) Harbison-Walker Refractories Co. 307 Fifth Ave., Pittsburgh 22, Pa. GILL. W. T.. Jr. (S) Texas Brick Co.. Box 510 Brownwood. Texas GILLESPIE. H. M. (M) 225 Broadway, New York 7, N. Y. GILLIARD, Joseph W. (D) Hampton Institute Box 14, Hampton, Va. GILLINDER BROTHERS, INC. (J. Fletcher Gillinder) Port Jervis, N. Y. GILLINDER. J. Fletcher (G) Gillinder Brothers, Inc. Port Jervis, N. Y. GILLON, Paul N. (B) Carborundum Co., Library 1-2 Niagara Falls, N. Y. GILLULY, William F. (G) Pittsburgh-Coming Corp. Box 72, Sedalia, Mo. GILTNER, Benedict C. (S) 16 W. 530 Grove, Bensenville, 111. (Lindberg Engineering Co.) GIMSON, Joseph F. Worcester Royal Porcelain Co.. Ltd. Royal Porcelain Works Worcester. England G1NGOLD, Jacob 6 rue de Fontenay, Plessis-Robinson Paris, Seine, France GINTHER. Lawrence B. (G) 3106 Glanzman Rd., Toledo 14. Ohio (Libbey-Owens-Ford Glass Co.) GIRALDEZ, Emilio Ceramica Nacional C. A. Box A-10, Riobamba, Ecuador GIRARD, R. T. (E) General Electric Co. Bldg. 258, 2nd FI. r One River Rd., Schenectady, N..Y. GITTER, Alice Josephine (MFI) 39 W. 70th, New York 23, N. Y. (United Mineral & Chemical Corp.) GITZEN, Walter H. (B) 1 Wesley Dr., Belleville, 111. (Aluminum Co. of America) GLABAU, Ernest R. (G) 29 College Rd., Burlington, Mass. ' (Raytheon Manufacturing Co.) GLADDING, Albert C. (S) Gladding Bros. Mfg. Co. Third & Keyes St., San Jose, Calif. GLADDING, McBEAN & CO. (S. V. Saginor) 2901 Los Feliz Blvd. Los Angeles 39, Calif. GLADNEY, Kurt (G) Fiberglas Canada Ltd., Box H Sarnia, Ont., Canada GLASER, John H. (G) Uniscience Inc. 112 Crooked Billet Rd., Hatboro, Pa. GLASSER, Fred P. (B) Pennsylvania State University 108 Mineral Sciences Bldg. University Park, Pa. GLATTER, Jake (B) 1043 Prospect Rd., Pittsburgh 27, Pa. (Westinghouse Electric Corp.) GLATZ, Alfred C. (R) 1006 Bell Ave., West End Apts. #17 State College, Pa. (Curtiss-Wright Corp.) GLAZE, Francis W. (GFI) 4111 Hamilton St., Hyattsville, Md. (National Bureau of Standards) GLEN-GERY SHALE BRICK CORP. (Gordon E. Lewis) Box 86, Shillington, Pa. GLENSHAW GLASS CO., INC. (George Wr. Meyer, Jr.) Glenshaw, Pa. GLOBE-UNION INC. (J. Fletcher Harper) 900 E. Keefe Ave., Milwaukee 1, Wise. GLOSSBRENNER, D. I. (M) R.R. 12, Box 261, Indianapolis, Ind. (Kaolin, Inc.) GLOSTEX CHEMICALS, INC. (C. G. Wurtsbaugh) 3056 Bandini Blvd. Los Angeles 23, Calif. GLOWACKI, George V. (W) 423 S. Center St., Bensenville, 111. (Radio Corp. of America) GLYNN, T. W. (G) 1505 Fairidge Dr., Kingsport, Tenn. (Blue Ridge Glass Div. American-Saint Gobain Corp.) GODBOLD, Jack W. (Wr) 4410 Leila, Tampa, Fla. (Tiffany Tile Corp.) GODDARD, W. T. (W) Canadian Porcelain Co., Ltd. Box 428, Hamilton. Ont., Canada GODEJAHN, Gordon C, Jr. (G) 2613 W. 109th St., Inglewood, Calif. (Hughes Products Co.) GODFREY, T. Gordon, Jr. Box 3434, Clemson College Sta. Clemson, S. C. GODOY, E. A., & CO., INC. (Emilio A. Godoy) 25 Broadway New York 4, N. Y. GODOY, Emilio A. (R) E. A. Godoy & Co., Inc., 25 Broadway New York 4, N. Y. GOETCHIUS, Don R. (EF) Ferro Corp. 4150 E. 56th St., Cleveland, Ohio GOIN, Fred L. (SI) Gladding, McBean & Co. Lincoln, Calif. GOLDING-KEENE CO. (H. B. DuBois) Box 456, Keene, N. H. GOLDSMITH, Julian R. (B) University of Chicago Dept, of Geology, Chicago 37, 111. GOLDSTEIN, Marcy B. (SJ) 5700 Pimlico Rd., Baltimore 15, Md. (Champion Brick Co.) R o ster 39 iOLIBER, Edward W. (B) 1722 Greenleaf, Royal Oak, Mich. (General Electric Co.) 10MEZ, Salvador Odriozola (R) Fabrica de Ladrillos Industriales y RKettfractarios, S. A., Apartado 390 ^ ta nmtcterrey, N. L., Mexico |R , Lawton (W) mtd Tile Co. BOX 448, Zanesville, Ohio iONZALEZ, Narciso (M) Eagle Pencil Co. Eagle Rd., Danbury, Conn. iOODMAN, Gilbert (B) General Electric Research Lab. Box 1088, Schenectady, N. Y. lOODMAN, James S. (E) American Radiator & Standard Sanitary Corp., 834 E. Broadway Louisville 4, Ky. IOODMAN, Philip (G) Corning Glass Works, Corning, N. Y. lOODRICH, Hobert R. (WFI) 1622 Santa Barbara Ave. Glendale 8, Calif. (Gladding, McBean & Co.) iOODWIN, Robert L. (S) R. R. 2, Box 106, Mineral Wells, Texas (Mineral Wells Clay Products, Inc.) iOODWIN, William Jarrard (B) 3464 Wallace Dr., Grand Island, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) iORDON, Irwin (L) RCA Laboratories Div. Princeton, N. J. ORMLY, Maurice W. (W) 7330 Miami Hills Dr. Cincinnati 43, Ohio (Cincinnati Milling Products Div., Cincinnati Milling Machine Co.) jORNALL, Henry A. (MI) 4357 Ardmore Rd., S. Euclid Cleveland 21, Ohio ^ ^ ^ l ie d Engr. Div., Ferro Corp.) 3 ^ B C H , Charles A. (M) ^ ^ ^ m rs Mineral Co., 806 Market St. Zanesville, Ohio zORT, Walter A. (W) Twin Bay Village Bolton Landing, N. Y. (Arnhold Ceramics, Inc.) j OSS, Bruce R. 11 Hamilton St., Weedsport, N. Y. j OSZTONYI, George Lozadur, Av. Mayo 981 Buenos Aires, Argentina j OTTO, Mrs. B. D. A. L. Curtis & Co., Westmoor Works London Rd. Chatteris, Cambs, England -OUDGE, Monson F. (M) Mines Branch, 40 Lydia St. Ottawa, Ont., Canada (Dept. Mines & Technical Surveys) GOULD, Robert E. (WFI) Buffalo China, Inc. 75 Hayes PI., Buffalo 10, N. Y. GOWER, Irving W. (R) 348 Inwood Rd., Ardmore, Pa. (Botfield Refractories Co.) GRABE, William F. (S) Grabe Brick Co. Box 5631, Tucson, Ariz. GRACE, Holt B. (S) Isenhour Brick & Tile Co. Box 1249, Salisbury, N. C. GRADIN, James H. (L) Consolidated Electrodynamics Corp. 1725 S. Primrose Ave. _ Monrovia, Calif. Q H t f , James B. (S) ^ ^ ^ p ff-K ittan n in g Div. ^ I^R g an Clay Products Co. .' Worthington, Pa. g r a f f -k i t t a n n i n g d i v ., i LOGAN CLAY PRODUCTS CO. ''Ji''(James B. Graff) Worthington, Pa. VOL. 37, No. 10 (1958) GRAFF, William A. (G) Glass Technology Lab. General Electric Co. 1133 E. 152nd St., Cleveland 10, Ohio GRAHAM, Glenn R. (R) S. K. Wellman Co. - 200 Egbert Rd., Bedford, Ohio GRAHAM, Henry C. 1410 Pacific Ave., Apt. B-100 Natrona Heights, Pa. GRAHAM, John Warren (R) 843 Cascade Rd., Cincinnati 40, Ohio (General Electric .Co.) GRAMSS, Dieter (J) Caixa Postal 9103, Sao Paulo, Brazil (Eletronica Industrial Ltda.) GRANQUIST, W. T. (B) Mellon Institute 4400 Fifth Ave., Pittsburgh 13, Pa. GRANT, John F. (RI) Electro Refractories & Abrasives Corp. Willett Rd., Lackawanna 18, N. Y. GRAUER, Oscar H. (G) Fischer & Porter Co., Hatboro, Pa. GRAVES, George A., Jr. Box 787, Alfred, N. Y. GRAY, George G. 5 Alleta Ave., Greenville, S. C. GRAY, Harold E., Jr. (L) Chicago Telephone Supply Corp. 1142 W. Beardsley, Elkhart, Ind. GRAY, Thomas J. (B) Box 814, Alfred, N. Y. (State University of New York, College of Ceramics) GRAY, William T. (G) Leeds & Northrop Co. 4901 Stenton Ave., Philadelphia 44, Pa. GREAT LAKES FOUNDRY SAND CO. (C. L. Croikshank) 1217 Francis Palms Bldg. Detroit 1, Mich. GREEN, A. P., FIRE BRICK CO. (William S. Lowe) 1018 E. Breckenridge St., Mexico, Mo. GREEN. A. T. (F) British Ceramic Research Assn. Queen's Rd., Penkhull Stoke-on-Trent, England GREEN, Daniel K. 102 Oak St., Mount Vernon, Ohio GREEN, D. T. (S) Milton Brick Co., Ltd.. Box 554 Milton, Ont., Canada GREEN, John R. (MI) Cedargreen, Sister Bay, Wise. (Consultant) GREEN. Robert L. (W) Lenox. Inc., Meade St. Trenton, N. J. GREEN, R. S. (BI) 18 S. Jefferson Rd., Mexico, Mo. (A. P. Green Fire Brick Co.) GREENAWALT, W. Don (G) Corning Glass Works. Charleroi, Pa. GREENE, Charles F. (S) Burns Brick Co. 711 Tenth St., Macon. Ga. GREENE, Charles H. (GF) Box 804, Alfred, N. Y. (State University of New York, College of Ceramics) GREENE, J. F. (GF) 1043 New Pear, Vineland, N. J. (Kimble Glass Co.) GREENHOUSE, Harold M. (L) Aladdin Electronics 705 Murfreesboro Rd. Nashville 2, Tenn. GREENLEE, Charles A. (R) Basic. Inc. 845 Hanna Bldg.. Cleveland 15, Ohio GREENWOOD, Richard W. (L) General Electric Co. 1811 LeMoyne Ave., Syracuse, N. Y. GREGER, Herbert H. (L) Trans-Tech., Inc. Box 103, Rockville, Md. GREGO, Peter (G) 22 Roosevelt St., Corning, N. V. (Corning Glass Works) GREGORIUS, J. S. (GF1) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. GRENIER, Lee (S) Magnet Cove Barium Corp., Box 832 Greybull, Wyo. GRESHAM, Lucius C., Jr. (S) Acme Brick Co., Box 308 Waskom, Texas GREWER, Douglas (M) . Harry W. Smith, Inc. 41 E. 42nd St., New York 17, N. Y. GRIFFIN, John E., Jr. 109 Holden Green, Cambridge, Mass. GRIFFIN, Margaret Box 488, Alfred, N. Y. GRIFFIN, Robert A. (S) . R. A. Griffin Co. 220 25th St., N. W., Canton 9, Ohio GRIFFIN, Thomas W. "La Feuille" Trlex Vaud, Switzerland (Hartford Empire Div., Emhart Mfg. Co.) GRIFFIN, William R. (M) 912 Mae St., Kent, Ohio (Edgar Plastic Kaolin Co.) GRIFFITH, J. Scott (R) 5524 W. Adams St., Chicago 44, 111. (Armour Research Foundation) GRIFFITH, Lawrence O., Jr. (G) 2514 Highland Ave., Sedalia, Mo. (Pittsburgh-Corning Corp.) GRIFFITHS, Norman Nonporite Pty. Ltd. 292-296 Burwood Rd. Hawthorn E 2, Victoria, Australia GRIGG, Paul E. (El) 338 N. Dover Ave. La Grange Park, 111. (Association of American Railroads) GRIM, Ralph E. (X) Dept, of Geology, Univ. of Illinois Urbana, 111. GRIMLEY, Robert T. (B) Corning Glass Works, Corning, N. Y. GROBB, F. S. (R) G. F. Sterne & Sons, Ltd. 126 Bruce St., Brantford, Ont., Canada GROOME, Garland L. (R) Poplar Ridge Rd., Box 245-A Pasadena, Md. (Harbison-Walker Refractories Co.) GROTHAUS, Joseph V. (R) 2552 E. 76th St., Chicago 49, III. (John Mohr & Sons) GROVE, Robert L. (LI) 26 Rockland St. South Dartmouth, Mass. (Cornell-Dubilier Elec. Corp.) GRNER, Max N. (R) Harbison-Walker Refractories Co. 1325 Ambassador Bldg., St. Louis 1, Mo GRUVER, Robert M. (G) 1160 Oneida St., State College, Pa. (Linden Labs., Inc.) GSCHWIND, Jean F. (M) J. O. Ross Engineering Div. Midland-Ross Corp. 444 Madison Ave., New York 22, N. Y. GUERCI, Carl F. (L) 1444 Westgate Dr., Bethlehem, Pa. (International Business Machines) GUGELER. Albert L. (EJ) 3897 W. 33rd St., Cleveland 9, Ohio (Ferro Corp.) GUILE, Donald L. 26 Rural Ave., Box 331 North Hornell, N. Y. GUIMARAES, Helio Pentagna Caixa Postal 208 Belo Horizonte-MG, Brazil (Magnesita S. A.) GULDEN, Jules R. (D) Syracuse China Co., Syracuse 1, N. Y. Roster 41 GULICK, Chester (M) 'iy; Kentucky-Tennessee Clay Co., Inc. Mayfield, Ky. UM, Charles E. (G) , Ohio Lime Co., 1524 Orchardview Dr. ' Pittsburgh 20, Pa. * ESON, P. Eg. iganas-Billesholms Aktiebolag iganas, Sweden :0, James M. (L) 4159 Birchall Rd., Toledo 12, Ohio (R. C. A. Service Co.) GUNSAULUS, Robert K. (G) 25 Oakdale. Pleasant Ridge, Mich. (Bailer Meter Co.) GUNTHER, F. W. (S) 849 Baker Ave., N. W. New Philadelphia, Ohio (Universal Sewer Pipe Corp.) GUNZENHAUSER, Adolph (L) 69-70 113th St. Forest Hills 75, L. I., N. Y. (Transisola, Inc.) GURR, Wilhelm Porzellan-Manufaktur W. Haldenwanger Berlin-Spandau Heerstr. 221, Westsektor, Germany GUSTAFSON, Carl H,, Jr. (R) 47 Montana Dr., Holden, Mass. (Norton Co.) GUSTIN, Jud A. (S) J. A. Gustin & Associates Burch Bldg., Martinsville, Va. GUTHRIE, George B. (W) 642 Louisiana Ave.. Chester, W. Va. : (W. S. George Pottery Co.) GUZMAN, Hector (G) . 2944 Kendale Ave., Apt. 103 - Toledo, Ohio (Owens-Illinois) GWYN, James D. (G) - Libbey-Owens-Ford Glass Co. 'y 1701 E. Broadway, Toledo 5, Ohio Sims., Mg Lu ^ B 2 1 6 , Alfred, N. Y. H AASSER, Andre V Ets. Haasser, Produits `Rfractaires v Souffienheim (Bas-Rhin), France HABERLAND, Anita G. (GJ) 428 California Ave., Oakmont, Pa. (Pittsburgh Plate Glass Co.) HACK, Walter L. (L) . [ Western Gold & Platinum Co. 525 Harbor Blvd., Belmont, Calif. HACKER, Richard C. V Box 787, Alfred, N. Y. HACKETT, James W. (G) : 3614 Kenwood Blvd., Toledo 6, Ohio .. (Owens-Illinois) HACKLER, W. C. (BI) North Carolina State College ' Dept, of Mineral Industries Raleigh, N. C. Hadley, Robert l. (E) ' General Electric Co. Major Appliance Div., AP 5, Rm. 249 Appliance Pk., Louisville 1, Ky. HAECKER, Arthur J., Jr. (R) 1793 Sharon Dr., Concord, Calif. (Gladding, McBean & Co.) JAEGER POTTERIES, INC. . (Joseph F. Estes) 7 Maiden Lane ' Dundee, 111. BAERTLING, Gene H. (WJI) rVv 803 W. Healey, Champaign, 111. r) (Ipsen Ceramics, Inc.) HAFNER, Harold C. (G) ^ H busch & Lomb Optical Co. ^^^^Biemical Research Lab. ^^Rochester 2, N. Y. HAFNER, Robert H,, Jr. (E) ^175 N. Linden Rd., Mansfield, Ohio ildngersoll-Humphryes Div., ,Hrg Warner Corp.) HAGAN, M. A. (RI) 5410 Sycamore St. _ Kansas City 29, Mo. (North American Aviation, Inc.) HAGAR, Donald (MFI) Donald Hagar Cdhamic Materials Rm. 212, First National Bank Bldg. Zanesville, Ohio HAGBERG, Carl E. (M) Kentucky-Tennessee Clay Co., Inc. Box 894, Mt. Union Sta. Alliance, Ohio HAGEDORN, A. J: E. (R) General Abrasive Co., Inc. Drawer D, Bridge Sta. Niagara Falls, N. Y. HAGEDORN, E. C. (G) Owens-Illinois, Technical Center 1700 N. Westwood, Toledo 7, Ohio HAGENAUER, Carl J. (G) Pittsburgh Plate `Glass Co. Glass Research Center, Box 11472 Pittsburgh 38, Pa. HAGGLUND, Erik (M) Kanthal Corp., Amelia PI. Stamford, Conn. HAGNER, Fred F. (G) Phoenix Glass Co., Monaca, Pa. HAGY, Henry E. (G) Corning Glass Works Laboratory Corning, N. Y. HAHN, William P. (G) 80 Norwood Ave. North Plainfield, N. J. (Johns-Manville Corp.) HAHNER, Clarence H. (GF) National Bureau of Standards Washington 25, D. C. HALAHAN, H. Reid (L) 21 Sunset St., Bloomfield, N. J. (Nopco Chemical Co.. Inc.) HALDEN, Frank A. (B) ' 1049 Valley Forge Dr. Sunnyvale, Calif. (Stanford Research Institute) HALDY, Norman L. (W) American Encaustic Tiling Co. 1000 Cannon Ave., Lansdale, Pa. HALEY, Dwight (R) American Clay Forming Co. Box 686. Tyler, Texas HALL, Charles A. R. R. 3. Bloomington, 111. HALL CHINA CO. (John T. Hall) East Liverpool, Ohio HALL, Donald H. (EJ) Pfaudler-Permutit, Inc. 1000 West Ave.. Rochester 3, N. Y. HALL. Douglas E. (R) 2840 N. Calvert St.. Baltimore 18, Md. ' (General Refractories Co.) HALL, E. B. M/S Bird & Co. Ltd.. Research Dept. Chartered Bank Bldgs. Calcutta, India HALL, Everson (W) Park Way Ext.. East Liverpool, Ohio (Hall China Co.) HALL. F. P. (LF) Onondaga Pottery Co.. Electronic Div. 1758 W. Fayette St., Syracuse 1, N. Y. HALL. James L. (W) 242 Oregon Ave., Palo Alto, Calif. (Lockheed Missile Systems Div.) HALL. John T. (W) Hall China Co., East Liverpool, Ohio HALT.. Morris P. (S) Alton Brick Co., Box 25 Maryland Heights, Mo. HALL. Robert L. 508 E. Eighth St., Fulton, Mo. HALL. Warren A. (S) North State Pyrophyllite Co., Inc. Box 7247, Greensboro, N.'C. HALL. William B. 320 E. Sharon, Glendale, Ohio HALLBERG, Richard C. (W) 236 Watson Ave., Fostoria, Ohio (Electric Auto-Lite Co., Spark Plug Div.) 37, No. 10 (195S) HALLER, Percy 319 Carterknowle Rd., Sheffield 11, England (John G. Stein & Co., Ltd.) HALLER, Wolfgang K. (B) National Bureau of Standards Mineral Products Div. Washington 25, D. C. HALLOIN', William G. (G) 1218 Broadview Blvd. Natrona Heights. Pa. (Pittsburgh Plate Glass Co.) HALLSE, Robert L. University of Illinois Dept, of Ceramic Engineering Urbana, 111. HALM, Louise Union Franaise des Produits Rfractaires, 15, Rue de Milan Paris 9e, France HALPERN, Allan S. (L) Rutgers, The State University School of Ceramics New Brunswick, N. J. HALPIN, John A. (Ri LTnited States Steel Corp. Metallurgical Dept., Clairton, Pa. HALVONIK, Frank V. (G) Box 2, Newry, Pa. (D. M. Bare Paper Co.) HAMER, Donald (L) 3129 Harrison, Glenview, 111. (Radio Industries. Inc., Kemetal Div.) HAMILTON, Edgar H. (GI) National Bureau of Standards Glass Section, Washington 25, D. C. HAMILTON, J. C. (G) . 3422 Chestnut Hill Rd., Toledo 6, Ohio (Owens-Illinois) HAMILTON, Noble E. (M) 53 Benjamin Rd., Belmont 78, Mass. (Consultant) HAMILTON, Robert (M) United States Gypsum Co. 300 W. Adams St., Chicago 6, 111. HAMILTON, W. M. (E) Crane Co., Chattanooga Div. 33rd and Alton Park Blvd. Chattanooga 1, Tenn. HAMME, Donald G. (B) National Gypsum Co., Research Center 1650 Military Rd., Buffalo 17, N. Y. HAMMER, Averill J. (S) 136 Buttonwood Ave. Bowling Green, Ohio (Bowling Green State University) HAMMER, Gunter 246, Connell's Pt. Rd. South Hurstville, N. S. W,, Australia (Messrs. R. Fowler Ltd.) HAMMER, R. (XI) University of California Div. of Mineral Technology Hearst Memorial Mining Bldg. Berkeley 4, Calif. HAMMOND LEAD PRODUCTS, INC. (William P. Wilke, III) 5231 Hohman Ave., Box 912 Hammond, Ind. HAMNER, Robert L. (B) Oak Ridge National Lab. Bldg. 9766, Y-12 Area Oak Ridge, Tenn. HAMPEL, Richard J. (WJ) 774 Dallas Ave. San Bernardino, Calif. (Crane-Pacific Co.) HANCOCK BRICK 4 TILE CO. (James L. Child, Jr.) Box 450 Findlay, Ohio HAND, Thomas (R) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. R oster 43 HNDEN, Jack (B) 150 Baier Ave., Franklin Twp. New Brunswick, N. J. (Radio Corp. of America) HANDWERK, Joseph H. (R) 716 N. Reed St., Joliet, 111. (Argonne National Lab.) """ CS, Charles F., Jr. (M) fcntucky-Tennessee Clay Co., Inc. ox 894, Mt. Union Sta. Alliance, Ohio HANLEY CO. (John M. Dickey, Jr.) Summerville, Pa. HANN, Douglas G. Ryton House, Ryton Shifnal, Shropshire, England (British Heat Resisting Glass Co.) HANNA, H. H. (GI) 303 Bailey Rd., Crystal City, Mo. (Pittsburgh Plate Glass Co.) HANNA, Ralph E. (LI) Colonial Insulator Co. 911 Grant St., Akron, Ohio HANNA, Richard (RJ) 1969 Seymour Ave., Apt. 5 Cincinnati 37, Ohio (General Electric Co.) HANNEMAN, Morton E. (G) Elmore, Ohio (Woodville Lime Products Co.) HANNON, Richard C. (MI) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HANOKA, Jack I. Pennsylvania State University College of Mineral Industries University Park, Pa. HANOVIA LIQUID GOLD DIV., ENGELHARD INDUSTRIES, INC. (R. T. Hopper) One W. Central Ave. East Newark, N. J. HANSARD, W. Carey (WI) 2345 Cheshire Bridge Rd., N. E. .Atlanta 5, Ga. (Georgia Institute of Technology) SEN, I. A. (W) prds Porcelain Works "erth Amboy, N. J. SEN, J. E. (EFI) ; Ferro Corp., 5309 S. District Blvd. Los Angeles 22, Calif. HANSEN, John H. (G) , Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio HANSEN, Kenneth H. (M) 507 Edgewood Ave., Columbia, Mo. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) Hansen, Kent w. 165 E. Second, S., Bountiful, Utah Hansen, Melvin o. (G) Owens-Illinois, Libbey Div. Box 919, Toledo 1, Ohio HANSEN. Waldemar C. (R) ' Universal Atlas Cement Co. Gary (Buffington Station), Ind. Hanson, David c. 206 E. Green St., Champaign, 111. Hanson, Hans r. (R) 30004 W. Ten Mile Rd. . Farmington, R.R., Mich. (Hanson Co.) Hanson, James w. (S) Mineral Wells Clay Products, Inc. 3962 Edgehill Rd., Fort Worth, Texas HARARI, Claude . Box 4479, Georgia Tech. Sta. Atlanta 13, Ga. HARBERT, Carl J. (W) .7' Harshaw Chemical Co., 1945 E. 97th St. -t Cleveland 6, Ohio m t i , Hugh P. [|55 Avon Rd., Bethlehem, Pa. 3ISON-WALKER FRACTORIES CO. |i(C . A. Brashares) gi.1800 Fanners Bank Bldg. ^Pittsburgh 22, Pa. f o 7 , No. 10 (1958) HARCOURT, Edward L. (M) North American Mfg. Co. 3810 West St., Cincinnati 27, Ohio HARDER, Charles M. (DF) State University of New York College of Ceramit, Alfred, N. Y. HARDING, John Roy "Greystoke,v Chesworth Close Horsham, Sussex, England (Sussex & Dorking United Brick Co., Ltd.) HARDINGE CO., INC. (Harlowe Hardinge) York, Pa. HARDINGE, Harlowe (M) Hardinge Co., Inc., York, Pa. HARDY, Ronald G. (SI) Onondaga Brick Corp., Warners, N. Y. HARES, George B. (G) 15 Roosevelt St., Corning, N. Y. (Coming Glass Works) HARGREAVES, John. 33 Ellers Ave. Bessacarr, Doncaster, England (United Steel Co., Ltd.) HARGREAVES MILL LTD. (A. W. Cook) Botteslow St. Hanley, Stoke-on-Trent, England HARKER POTTERY CO. (Robert E. Boyce) East Liverpool, Ohio HARKULICH, Theodore (B) 269 Mull Ave., Sinking Spring, Pa. (Bervllium Corp.) HARLEY, T. H. (R) Vesuvius Crucible Co., Box 8275 Swissvale, Pittsburgh 18, Pa. HARMAN, C. G. (SF) Horizons, Inc., 2891 E. 79th St. Cleveland 4, Ohio HARNISH, John D,, Jr. (WI) Westinghouse Electric Corp. Derry, Pa. HARNISH, Mark E. (R) 2111 Sierra Rd. Plymouth Meeting, Pa. (E. J. Lavino & Co.) HARPER, J. Fletcher (L) Globe-Union Inc.. 900 E. Keefe Ave. Milwaukee 1. Wise. HARPER, Robert E. 62 Orange St., Waverly, N. Y. HARPER, Roderick L. (M) Harper Electric Furnace Corp. 110 Pearl St., Buffalo 2, N. Y. HARPER, Wallace T. (B) 1032 Ringwood Ave. Menlo Park, Calif. (Lockheed Aircraft Corp.) HARR, W. J. (GI) 1711 Brainard Rd. . Lyndhurst, Cleveland 24, Ohio (Harshaw Chemical Co.) HARRELL, George O. (S) North Carolina State College Mineral Industries Dept. Raleigh, N. C. HARRINGTON, Roy V. (G) One Oakwood Dr., Corning, N. Y. (Corning Glass Works) HARRIS, Bette A. Box 1401, Alfred, N. Y. HARRIS CLAY CO. (Scroop W. Enloe, Jr.) Spruce Pine, N. C. HARRIS, Donald M. Fairport Rd., East Rochester, N. Y. HARRIS, Henry M. (R) 4114 42nd S., Seattle 18, Wash. (U. S. Bureau of Mines) HARRIS, James E. (S) 4685 S. Sherman St. Englewood, Colo. (Robinson Brick & Tile Co.) HARRIS, Jesse R. 301 E. Third Ave., Ritzville, Wash. HARRIS, Joe N. (EJ) 1592 Van Epps St., S. E. Atlanta 16, Ga. (Georgia Institute of Technology) HARRIS, Ransom S., Jr. (GJI) 895 W. Main St., Newark, Ohio (Owens-Coming Fiberglas Corp.) HARRIS, Robert C. (L) Bendix Aviation Corp. Scintilla Div., Sidney, N. Y. HARRISON, Don E. (B) 15998 Nelacrest Rd., Apt. 9 Cleveland 12, Ohio (General Electric Co.) HARRISON, Harold C (W) 4545 Norwin Rd., Pittsburgh 36, Pa. (Westinghouse Electric Corp.) HARRISON, Jack L. (S) Indiana Geological Survey Indiana University, Bloomington, Ind. HARRISON, William B. (BI) 2635 N. 68th St., Wauwatosa 13, Wise. (Allis-Chalmers Mfg. Co.) HARRISON, W. N. (EF) National Bureau of Standards Ind. Bldg., Enameled Metals Sect. Conn. Ave. & Van Ness St., N. W. Washington 25, D. C. HARSHAW CHEMICAL CO. (Carl Harbert) 1945 E. 97th St., Cleveland 6, Ohio HART, John M. (W) New Jersey Porcelain Co., Box 908 Trenton 5, N. J. HART, Leroy D. (R) 707 Crompton Court Webster Groves 19, Mo. (Aluminum Co. of America) HART, Wade J. (GI) 908 Lafayette Court, Marion, Ind. (Radio Corp. of America) HARTFORD, Thomas J. (W) 2783 Doresta Rd., San Marino, Calif. (Gladding, McBean & Co.) HARTLEY, Alva G. H. Downing & Co. Ltd. Brampton Hill Newcastle, Staffs, England HARTMAN, F. Henry (G) Stouffville, Ont., Canada HARTSHORN, T. D. (El) 4818 N. Woodruff Ave. (A. J. Lindemann & Hoverson Co.) Milwaukee 17, Wise. HARTWIG, Frederick J., Jr. (RI) Babcock & Wilcox Co., Box 835 Alliance, Ohio HARVEY, A. M., Jr. (S) Roanoke-Webster Brick Co., Box 780 Roanoke 5, Va. HARVEY, Edwin T. (R) 314 W. McPike St., Vandalia, Mo. (Harbison-Walker Refractories Co.) HARVEY, E. M. (R) North State Pyrophyllite Co., Inc. Box 7247, Greensboro, N. C. HARVEY, Malcolm R. 80 E. Center St., Kaysville, Utah HARWOOD, Wallace B,, Jr. (S) Coates Co., Box 935, Austin, Texas HASKO, Stephen (BI) 1510 Wheaton Lane, Silver Spring, Md. (National Bureau of Standards) HASSELBACH, William (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio HASSETT, William A. (L) Radio Corp. of America Chemical & Physical Lab. 415 S. Fifth St., Harrison, N. J. HATCH, Robert A. (B) 4135 N. Belleview' Ave. St. Paul 10, Minn. (Minnesota Mining & Mfg. Co.) HATHAWAY, A. J. (B) 8721 Pershing Ave. Niagara Falls, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) HATHAWAY, Isaac S. (W) 1318 Tuttle Ave., Montgomery, Ala. (Alabama State College) R oster 45 HATHAWAY, Mrs. U. G. (W) Alabama State College Montgomery, Ala. HAUBEIN, Wendell L. (RJ) 145 B Independence China Lake, Calif. ^ a k U . S. Naval Ordnance Test Station) Charles A. (RI) Swinton Ave., Sepulveda, Calif. (Marquardt Aircraft Co.) HAURA, Bruce 223 Tom Hunter Rd., Fort Lee, N. J. HAUSER, Richard E. (I) 351 Moselle St., Buffalo 11, N. Y. HUSLER, Elwood B. Box 787, Alfred, N. Y. HAUTH, Willard E., Jr. (Bl) 409 Warminster, Hatboro, Pa. (International Resistance Co.) HAVELL, Richard F. (R) 846 N. Euclid Ave., Oak Park, 111. (Eagle Grinding Wheel Corp.) HAVENS, Irvin F. (B) 200 St. Nicholas Ave. Worcester, Mass. (Bay State Abrasive Products Co.) HAWES, Samuel A. (SI) 301 N. E. Sixth Ave. Mineral Wells, Texas (Texeramics Co.) HAWK, Elwin A. (M) Hawk Laboratories, Inc., R.R. 1 East Rochester, Ohio HAWKES, John H. (G) Box 556, Worcester 1, Mass. (Norton Co.) HAWKINS, Frank S. General Electric Co. Ltd. Osram Glass Works East Lane, Wembley Middlesex, England HAWKINS, James M. (M) James M. Hawkins Corp. 448 Franklin St., Buffalo 2, N. Y. HAWKINS, Robert J. (SI) Sunnyside PI., Hamburg, N. Y. ^^^B u ffalo Brick Corp.) ^ ^ K C S , Ralph L. (WI) ^ ^ t 869 Middletown Rd. - ' Pittsburgh 4, Pa. (Vitro Manufacturing Co.) HAWKS, William L. (R) 4309 W. Seattle St., Seattle 16, Wash. (Penbertby Electromelt Co.) HAWS REFRACTORIES CO. (E. E. Slick, Jr.) 407 Main St. Johnstown, Pa. HAWTHORNE, Robert M,, Jr. (W) 12 Tuttle St., Dunellen, N. J. (National Starch Products Co.) HAY, John (B) : Norton Co., Research Lab. Worcester 6, Mass. HAY, Joseph L. (R) Acme Brick Co., Box 448 Malvern, Ark. HAYDON, Mary P. (B) 106 Ogontz Lane, Oak Ridge, Tenn. (Oak Ridge National Laboratory) HAZEL, John J. (RF) Republic Bldg., Rm. 1526 Republic Steel Corp., Cleveland 1, Ohio HAZEN, E. j . (GI) 614 Main St., Ford City, Pa. ' (Pittsburgh Plate Glass Co.) HEALY. James H. (E) 4511 N. Sherman Blvd. ' Milwaukee 9, Wise. ' : (A. O. Smith Corp.) HEATH, Donald L. (B) J Ohio Brass Co., Park & Ninth ,'_ Barberton, Ohio ;HEATH, Edith (D) Vi--^Heath Ceramics 91 Bridgeway, Sausalito, Calif. iLEY, Sidney M. (R) , abcock & Wilcox Co. 105 S. LaSalle St., Chicago 3, III. jEAVILL, John C. (E) 1^48 Walnut St., Pittsburgh 5, Pa. 7itro Manufacturing Co.) P |j 3 7 , No. 10 (1958) HECHT, Norman Box 767, Alfred, N. Y. HECK, Frank G. (R) E. J. Lavino & Co., 3 Penn Center Plaza Philadelphia 2, Pa. HEDDELL, James V .'(R I) 53-B Decatur St., China Lake, Calif. (U. S. Naval Ordnance Test Sta.) HEDDEN, Walter A. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio HEDGES, Philip E. Box 122, Alfred, N. Y. HEDGPETH, James A. (S) Marion Brick Corp., Marion, Ohio HEDQUIST, Alfred J. (W) Apartado Postal 525 Guadalajara. Jalisco, Mexico (Loza Fina S. A.) HEEBNER, John C. (RI) 1431 Forbes St. ' North Tonawanda, N. Y. (Carborundum Co.) HEELEY, Ralph E. J. & J. Pearson Ltd. Firebrick Works Stourbridge, Worcs, England HEFTI, Franz Zrcher Ziegeleien, Postfach 357 Zrich 1, Switzerland HEIDTMAN, Clarence F. (G) National Lime & Stone Co. First National Bank Bldg. Findlay, Ohio HEILICH, Raymond P. (S) R. R. 4. State Rd., 340 W. Brazil, Ind. (Claycraft Co.) HEILIGMAN, H. A. (RFI) E. J. Lavino & Co., Box 29 Norristown, Pa. HEIMSOETH, Werner M. Farbenfabriken Bayer Aktiengesellschaft (22c) Leverkusen-Bayerwerk, Germany HEINDL, Raymond A. (RF) 4917 43rd St., N. W. Washington 16, D. C. HEINE, H. W. (S) Hudson Supply & Equipment Co. Ninth St. & Brentwood Rd., N. E. Washington 18, D. C. HEISCHMAN, Fred E. (L) 106 S. Adams St., Fostoria, Ohio (Electric Auto-Lite Co., Spark Plug Div.) HELD, Kalman (B) Technical Research Group, Inc. 17 Union Square, W. ' New York 3, N. Y. HELLER, Enrique % Cerro de Paseo Corp. La Oroya, Peru HELLIESEN, Richard O. (I) Gausei, Stavanger, Norway (Porselen Emalje Industri) HELLMAN, N,, III (W) B. G. Corp. 321 Broad Ave., Ridgefield, N. J. HELLMAN, Stanley L. (S) 33 Beachwood Ave., Metuchen, N. J. (Merritt, Inc.) HELLRIEGEL, Edgar J. (X) 114 Oceanside Box 155, Fort Tilden, N. Y. (Metal & Thermit Corp.) HELM. David F. (B) Mellon Institute. 4400 Fifth Ave. Pittsburgh 13, Pa. HELMKAMPF, R. N. (G) Refractories Div., H. K. Porter Co. 2064 Hampton Ave., St. Louis 10, Mo. HELSER, Perry D. (WFI) 110 Maryland Ave., N. E., Apt. 211 Washington 2, D. C. (U. S. Dept, of the Interior) HELTON, Bernard L., Jr. (M) Thiele Kaolin Co., Sandersville, Ga. HELZ, Armin W. (B) 20 Maryland Ave., Gaithersburg, Md. (U. S. Geological Survey) HEMBERG, Per Surte Glasswork, Surte, Sweden HEMPHILL, R. W,, Jr. (W) Colonial Insulator Co. 945 Grant St., Akron 11, Ohio HEMSTEGER, Samuel E. (El) 4155 Audubon Rd., Detroit 24, Mich. (Consulting Engineer) HENAO, Alvaro Calle 63A #48-37, Medellin, Colombia HENDERSON CLAY PRODUCTS (Homer L. Bryce) Box 870, Henderson, Texas HENDERSON, Courtland M. (L) Monsanto Chemical Co. Station B, Box 8, Dayton 7, Ohio HENDERSON, Frank P. (M) 512 Mockingbird Ln., Tyler, Texas (Ferro Corp., Allied Engr. Div.) HENDERSON, Frederick C. (WFI) Royal China, Inc., Sebring, Ohio HENDERSON, James L,, Jr. (S) Robinson Ventilating Co. Zelienople, Pa. HENDERSON, William W. (M) Robinson Ventilating Co., Box 217 Zelienople, Pa. HENDREN, Robert R. (RI) 105 Bank Ave., Riverton, N. J. (Hoeganaes Sponge Iron Corp.) HENDRYX, Dwight B. (S) Dwight B. Hendryx & Associates 6621 Darlington Rd., Pittsburgh 17, Pa. HENEGHAN, Leo F. (B) Merck & Co., Inc. Box 711, South San Francisco, Calif. HENKEL, Carl F., Jr. (G) Corning Glass Works, Corning, N. Y. HENLEY, Russell M. (R) 61 Sugarmaple Ln., Levittown, Pa. (General Abrasive Co.) HENRY, Edward C. (LFI) 730 Crawford Ave., Syracuse 10, N. Y. (General Electric Co.) HENRY, Frank R. (RF) Simonds Worden White Co. 1101 Negley PI., Dayton 7, Ohio HENRY, Georges Union des Verreries Mecaniques Beiges, 29, Quai de Brabant Charleroi, Hainaut, Belgium HENRY, Kenneth M. (GF) Owens-Illinois Box 1035, Toledo 1, Ohio HENSLER, J. R. (G) Chemical Research Lab. Rausch & Lomb Optical Co. Rochester 2, N. Y HENSON, Albert T. (SJ) West Virginia Pulp & Paper Co. Polvchemicals Div.. Charleston, S. C. HENSON, Charles W. (R) Norton Co.. Worcester 6. Mass. HENWOOD, Reginald J. (R) 327 Bellevue Dr., Gadsden, Ala. (Republic Steel Corp.) HEPPLEWHITE, J. W. (WFI) 13557 Cedar Rd., Cleveland 18, Ohio (Ferro Corp.) HERBERT, John S. (S) W. G. Bush & Co., 174 Third Ave., N. Nashville 3, Tenn. HERBERT, John W. (R) 3523 Anderson Pky., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) HERBERT, Paul R. (W) Sandyville, Ohio (Stylon Corp.) HERBST, Richard J. 312 W. Church, Champaign, 111. HERGER, Howard C. (G) Pierce Glass Co., Port Allegany, Pa. HERKO, Edward (GI) 4865 Mt. Read Blvd. Rochester 16, N. Y. (Bausch & Lomb Optical Co.) R oster 47 JERMAN, C. Eugene HIND, Stanley Box 3209, State College Sta. "The Mount," Etruria Rd. V- Raleigh, N. C. Basford, Stoke-on-Trent, England ERMANN, Gunter - (Consulting Engineer) Rua Nacaia 51 (V. Mariana) HINDS, J. F. (G) Sao Paulo, Brazil Canadian General^Electric Co. (Wheaton do Brasil S. A.) MANN, James L. (W) 8288 Earlmar Dr. ...... Los Angeles 64, Calif. ' * (Redondo Tile Co.) HEROLD, Paul G. (BFI) , Radio Corp. of America , Chemical & Physical Lab. .- Lancaster, Pa. HERPEL, Clarence M. (S) Southern Brick & Tile, Inc. Cherokee Sta., Box 5 ; Louisville 5, Kv. HESS, Albert J. (B) . ' Milwhite Co., Inc. Box 238, Bryant, Ark. HESS, B. Parker (G) Westinghouse Electric Corp. 700 Braddock Ave., East Pittsburgh, Pa. HESS, F. B. (G) Brockway Glass Co., Inc. Brockway, Pa. HESS, Robert L. (R) 331 W. Market St., Clearfield, Pa. (North American Refractories Co.) HESSINGER, Philip S. (LI) Mycalex Corp. of America Clifton Blvd., Clifton, N. J. HEUER, Arthur (LJ) ,i> General Ceramics Corp. f ' Keasbey, N. J. HEUER, Russel P. (RF) 'f. General Refractories Co. 1 1520 Locust St., Philadelphia 2, Pa. HEWITT, L. C. (RFI) %V Ironton Fire Brick Co. ' -> Box 536, Ironton, Ohio HEWLETT, James Thomas fE) v Ingram-Richardson, Inc. Frankfort, Ind. CEY, Frank J. (G) ^Corning Glass Works Box 544, Corning, N. Y. HICKS, James C. (RI) 27550 Edgerton Rd., Los Altos, Calif. i (Kaiser Aluminum & Chemical Corp.) ;HICKS, John F. G. (G) 131 Thompson Dr., Painted Post, N. Y (Corning Glass Works) HJGGINS, Waldo W. (EFI) ' t- A. O. Smith Corp. 221 Dufferin St. Toronto 3, Ont., Canada HINKINS, E. A. (G) Tygart Valley Glass Co., Box 503 Washington. Pa. H1RAYAMA, Chikara (G) R. R. 2, Kilmer Dr., Murrysville, Pa. (Westinghouse Electric Corp.) HIRSSIG, Carl F. (G) 1210 Fort St., Maumee, Ohio (National Lime & Stone Co.) HISCOCK, Harley J. (R) Fuller Merriam Co., Box 69 West Haven, Conn. HITCHINS, R. A. (R) National Refractories Div. Mexico Refractories Co. 226 S. 16th St,, Philadelphia 2, Pa. HITNER, Jan K. (R) Box 222, Travelers Rest, S. C. HITZEMAN, Roger L. (LI) Centralab Div., Globe-Union Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. HOAGLAND, Peter J. 3 West St., Nunda, N. Y. HOBSON, Joe P. (S) Acme Brick Co., Box 425 Fort Worth 2, Texas HOCH, Michael (B) University of Cincinnati Dept. Chem. & Met. Engr. Cincinnati 21, Ohio HOCKADAY, R. B. (S) General Shale Products Corp. Kingsport, Tenn. HODGDON, Frank B. (B) Box 4132, N. Chattanooga Sta. Chattanooga 5, Tenn. (University of Chattanooga) HODGES, Leslie R., Jr. R. R. 2, N. Haines Rd. Box 414, Clearwater, Fla. HODGSON, N. G. (E) Alliance Ware, Ltd. Box 550, Vancouver, B. C., Canada HODSON, George N. The Hall, Wymeswold Nr. Loughborough, England (Hathernware, Ltd.) HODSON, Jean T. 4203 Brooklyn, Seattle 5, Wash. HOELSCHER. Max W. (E) Box 584, Milwaukee 1, Wise. 5010 Mayfield Rd., Lyndhurst 24, Ohio HIGGS, Harold P. (B) (Enamel Products Corp.) ' 737 East Ave., Rochester, N. Y. HOENIG, Clarence L. (RJ) f.irV' (Lehigh Engineering Associates) University of California HIGH LEY, Robert W. (R) . Richard C. Remmey Son Co. Dept, of Mineral Technology Hearst Memorial Bldg. Subs. A. P. Green Fire Brick Co. Berkeley, Calif. 2004 Clark Bldg., Pittsburgh 22, Pa. HOERRMANN, Francis J. (G) HIGMAN, JOHN W,, CO. :'} (Robert J. Stone) 24 State St. 1188 Logan Rd., Bethel Park, Pa. (General Electric Co.) ; New York 4, N. Y. HOEY, Paul E. (S) H il d e b r a n d , David (L) HR. 3, Hixson, Tenn. Texas Vitrified Pipe Co. Box 117, Mineral Wells, Texas (American Lava Corp.) HOFFMAN, Lewis C. (G) HILL, David C. _ 84 Henry St., Cambridge, Mass. .HILL, Ercell C. (SF) - : 109 Morton Ave., Ridley Park, Pa. h i l l , j 0hn r . (S) ' v 3005 Jefferson, Des Moines, Iowa (Mason City Brick & Tile Co.) HILL, Lawrence I. (G) i 503 Carver Blvd., Toledo 7, Ohio ; (Libbey-Owens-Ford Glass Co.) IjHMEL, Lawrence (B) . Dept, of Navy, Office of Naval Res. I Metallurgy Branch, Code 423 W ashington 25, D. C. 2219 Newark Ave., Westfield, N. J. (E. I. du Pont de Nemours & Co.) HOFFMAN, M. Saul (SJ) Leeds & Northrop Co. 4901 Stenton Ave. Philadelphia 44, Pa. HOFFMAN, Richard C. (GJ) 9364 Colorado, Livonia, Mich. (Ford Motor Co.) HOFFMAN, Willard H. J. (W) 8 Dungarrie Rd., Baltimore 28, Md. (Clinchfield Sand & Feldspar Corp.) HOFFNER, Jere R. (G) T. C. Wheaton Co., Millville, N. J. JKCHMAN, Roger (E) iiln ite d States Borax & Chemical Corp. Rockefeller Plaza HOFSTETTER, G. W. (E) Ferro Corp., 336-338 N. Chicago 44, 111. Central Ave. "<ew York 20, N. Y. .37, No. 10 (1958) HOGAN, Thomas W. (W) Flintridge China Co. 350-380 S. Raymond Ave. Pasadena 1, Calif. HOGENDOBLER, H. R. (G) Gustin-Bacon Manufacturing Co. 3031 Fiberglas Rd., Kansas City, Kans. HOGENSON, William (EF) Chicago Vitreous Corp. 1425 S. 55th Court, Cicero 50, 111. HOHMANN, Frederick R. (G) 1012 Parkview Ave. New Kensington, Pa. (Pittsburgh Plate Glass Co.) HOHN, Carl M. (W) 508 Eastway Dr., Lakeland, Fla. (Florida Tile Industries, Inc.) HOJALATA Y LAMINA, S. A. (Alfonso Reyes Escobar) Apartado Postal 996 Monterrey, N. L., Mexico HOLADY, Harold W. Box 416, Ephrata, Wash. HOLDEN, Abe N. (B) General Electric Co. Vallecitos Atomic Lab. Box 846, Pleasanton, Calif. HOLDEN, Robert B. (B) Olin Mathieson Chemical Corp. Metallurgical Labs. 275 Winchester Ave. New Haven, Conn. HOLDENER, Irwin K. (B) 5389 Bayside Dr., Dayton 3, Ohio (Wright-Patterson AFB) HOLL, Barton A. (S) Logan Clay Products Co. Box 698, Logan, Ohio HOLL, Barton S. (SI) 311 W. Front St., Logan, Ohio (Logan Clay Products Co.) HOLLEY, Kenneth E. (R) 113 Pritchard Ave., Corning, N. Y. (Corning Glass Works) HOLMES, Gregory J. (EJ) 3295 Lansmere Rd. Shaker Heights 22, Ohio (Ferro Corp.) HOLMES, Lyle A. (M) 82 Pilgrim Rd., Rosslyn Farms Carnegie, Pa. (Great Lakes Foundry Sand Co.) HOLMES, Roland G. (S) W. S. Dickey Clay Mfg. Co., Box 402 Pittsburg, Kans. HOLMQUIST, Stig B. (R) United States Steel Corp. Research Center, Monroeville, Pa. HOLSCHER, H. H. (GF) Owens-Illinois Box 1035, Toledo 1, Ohio HOLST, Tage Vinkelvej lo, Kongens Lyngby, Denmark (Porcelaensfabriken Danmark A/S) HOLT, J. Birch 1535 Sigma #10 Salt Lake City, Utah HOLTERHOFF, A. Gray (M) National Sales Corp. 307 E. Fourth St., Cincinnati 2, Ohio HOLTRY, Byron C. (S) Henderson Clay Products Henderson, Texas HOLWAY, Paul A. Box 787, Alfred, N. Y. HOLZMAN, George R. (G) Internationl Business Machines Corp. Research Center, Box 390 Poughkeepsie, N. Y. HOMMEL, E. M. (EF) O. Hommel Co., Box 475 Pittsburgh 30. Pa. HOMMEL. O.. CO. (E. M. Homme!) Box 475, Pittsburgh 30, Pa. HOMMEL, Richard O. Box 1292, Alfred, N. Y. HONSBERG, Werner (W) Fabrics de Loza El Anfora, S. A. Apartado 508, Mexico D. F., Mexico R oster 49 OOD, Harrison P. (GF) a Delevan Ave., Corning, N. Y. (Corning Glass Works) OOD, L. Scott (MJ) Orton Ceramic Foundation 1445 Summit St., Columbus 1, Ohio oOQo Dd,. Ww alter H. (W) (national Minerals & Tiical Corp. (Canada) Ltd. leetlcalfe St., Ottawa, Ont., Canada OOGENDOORN, Helen M. (BJI) 2181 Cummington Rd. Cleveland 6. Ohio (Brush Beryllium Co.) OOP, M. C. v. d. N. V. Royal Delft Ware Manufactory, "De Porceleyne Fies" v/h Joost Thooft & Labouchere 196 Rotterdamseweg, Delft, Holland OOPER, Bradford (R) Babcock & Wilcox Co. Augusta, Ga. OOVER, Charles H. (R) 609 Wilton Rd., Towson 4, Md. (General Refractories Co.) OPKINS, Robert W. (GI) Calumite Co., Box 151 Hamilton, Ohio OPPER, R. T. (W) Hanovia Liquid Gold Diw, Engelhard Industries, Inc. One W. Central Ave. East Newark. N. J. ORAK, William (RFI) 223 Raymond Rd. West Hartford 7, Conn. (Emhart Mfg. Co. I ORMBERG. R. E. (W) , Misceramic Tile Box 1070, Cleveland, Miss. ORNER, M. Harlan >4757 17th N. E. St., Seattle 5, Wash. ORNUNG, Martin R. (WI) >,140 E. Sheridan Ave., New Castle, Pa. (Shenango China, Inc.) Paul B. (WI) Btor Dept., General Electric Co. 57, Baltimore 3. Md. QRTON, Robert A. (R) Van Nostrand Ave., Dover, N. J. * (Austenal, Inc.) OSSEIN, Roger L. (R) ^630 Washington St., Glencoe, 111. ' (Republic Steel Corp.) OSFIELD, Roger L. (R) Petersen Oven Co. 9900 Franklin Ave. Franklin Park, 111. OSKYNS. William R. ^Alfred Station. ^0. Y. OSSACK, James K. (E) >Ferro Enamels (Canada) Ltd. 'Box 37, Oakville. Ont., Canada OSSENLOPP, Arthur M. (LI) I 921 Maplewood Dr., Kokomo, Ind. (Delco Radio Div., General Motors Corp.) OSTETTER, J. C. (GFI) 1561 Dale Ave., Winter Park, Fla. (Consultant) OUCHINS, Henry R. (W) Carborundum Co., Niagara Falls, N. Y. OUDEK, Albin (W) 302 Blakeley. San Antonio, Texas (Aztec Ceramics, Inc.) OUGHTON, Amory (G) The Knoll, Corning, N. Y. (Corning Glass Works) OULAHAN, R. C. (S) Builders Brick Co. - 3800 Ninth Ave., S., Seattle 8, Wash. PUSER, Phillip E. " 1358, Alfred, N. Y. WJ, George S. (R) 17, Norristown, Pa. POSTON, Harry H. (B) ;-?;Borg-Warner Corp., Research Center iJ AIgonquin & Wolf Rds. B s Plaines, 111. P lf . j i 8 7 , No. 10 (1958) HOUSTON, M. Dean (L) HUI, William L. C. (B) 1745 Skyline Dr., Apt. 56 Radio Corp. of America, Tube Div. Pittsburgh 27, Pa. Marion, Ind. (Westinghouse Electric Corp.) HULL, J. Brannon (W) HOUZE, Armand L,, Jr. (G) Hull Pottery Co., 327 Amerine St. Houze Glass Corp., Point Marion, Pa. Crooksville, Ohio HOWARD, Harold B. (S) HULL POTTERY CO. 828 S. Ellis St., Salisbury, N. C. (J. Brannon Hull) (Taylor Clay Products Co.) 327 Amerine St., Crooksville, Ohio HOWAT, Walter L. (DF) HULSE, Charles O. Howat Kilns, 85 Hopping Ave. 463 61st St., Apt. A Staten Island 7, N. Y. Oakland 9, Calif. HOWATSON, John (G) HUMENIK, Michael, Jr. (B) University of Wyoming 28477 Parkwood Dr., Inkster, Mich. Chemistry Dept., Laramie, Wvo. (Ford Motor Co.) HOWATT, Glenn (W) HUMMEL, Floyd A. (B) 11 Cliffwood Place, Metuchen, N. J. College of Mineral Industries (Gulton Industries, Inc.) Pennsylvania State University HOWE, Elroy E. (EFI) University Park, Pa. Chicago Vitreous Corp. HUMMEL, Richard (G) 1425 S. 55th Court, Cicero 50, 111. 615 Olympia Rd., Pittsburgh 11, Pa. HOWER, Lawrence D., Jr. (RI) (Harshaw Chemical Co.) 37 Orchard Rd.. Milford, Conn. HUMMEL, Roy (W) (Ravbestos-Manhattan Corp.) 4318 Grantley Rd., Toledo 13, Ohio HOWER, R. S. (LI) (Champion Spark Plug Co.) Allen-Bradley Co. HUND, George J. (W) 136 W. Greenfield Ave. 227 Poplar Ave. N. W., Canton, Ohio Milwaukee 4, Wise. (Sparta Ceramics Co.) HOWIE, Thomas W. HUND, Ralph (R) Campbell & Co. (Roughcastle) Ltd. Speer Carbon Co. Roughcastle Works, Falkirk, Scotland Packard Rd., Research Bldg. HOY'ET, Eugene (G) Niagara Falls, N. Y. R. R. 2, Ford City, Pa. HUND, William O. (R) (Pittsburgh Plate Glass Co.) 530 S. Seminary St. HSU, Ku-hua Charles Town, W. Va. I, King's Terrace, 1st Floor (Standard Lime & Cement Co.) Kowloon, Hongkong. B.C.C. HUNGERFORD, R. M. (X) (Kiu Foong Enamel Factory (H.K ) Clayburn-Harbison Ltd. Ltd.) . 850 W. Hastings St. HUBBELL, Dean S. (E) Vancouver 9, B. C., Canada Mellon Institute, 4400 Fifth Ave. HUNSBERGER, Jesse F. (R) Pittsburgh 13, Pa. A. P. de Sanno & Son, Inc. HUBBLE, David H. (RJ) Phoenixville, Pa. 10615 Lindberg Ave. HUNT, Charles W. (W) Pittsburgh 35, Pa. 203 Laurel Rd., Chagrin Falls, Ohio (United States Steel Corp.) (Bestwall Gypsum Co.) HUBER, George S. (W) HUNT, Herbert J. (G) 314 Overbrook Rd., Baltimore 12, Md. Kimble Glass Co., Vineland, N. J. (Pemco Corp.) HUNT, John F. (MI) HUBER, T. M,, CORP. Carpco Manufacturing, Inc. (D. Parker McAdoo) Box 3272, Jacksonville 6, Fla. 100 Park Ave., New York 17, N. Y. HUNTER, Charles E. (B) HUBER-WARCO CO. Box 430, Erwin, Tenn. AMERICAN CLAY (Consolidated Feldspar Dept., MACHINERY DIV. Internationa] Minerals & (R. A. Garverick) Chemical Corp.) 202 N. Greenwood St., Marion, OhioHUNTLEY, James L. HUDSON, Charles J. (R Box 4283, State College Sta. 74 Newton St,, Wet Bovlston, Mass Raleigh, N. C. HUDSON SUPPLY & EQUIPMENT CO. HUPPERT, Paul A. (El) (H. W. Heine) 414 Randolph Rd., Plainfield, N. J. Ninth St. & Brentwood Rd., N. E. (Gulton Industries, Inc.) Washington 18, D. C. HURD, Burgess M. (M) HUESCHEN, Robert E. (L) 3 Windy Crest Rd., Beaver Falls, Pa. 5308 S. 111th. Hales Corners, Wise. (Ceramic Color & Chem. Mfg. Co.) (General Electric Co.) HURLBURT, William E. HUETTIG, Fred R. (LI) Missouri School of Mines 296 Brook Ave.. North Plainfield, N. J. Ceramic Engineering Dept. (General Ceramics Corp.) HUFFCUT, Harold W. (El) Air Preheater Corp., Wellsville, N. Y. HUFFMAN. Guy D. (G) 146 Oakwood Rd., Charleston. W. Va. (Libbey-Owens-Ford Glass Co.) HLTGGIN, Benjamin A. 3002 Buncombe Rd., Greenville, S. C. HUGHES. Donald L,, Jr. 95 Della Dr., Lackawanna, N. Y. HUGHES. George B. (El) 236 Indiana Ave.. Dayton 10, Ohio (Frigidaire Div.. General Motors Corp.) HUGHES, Robert H. (R) Rolla. Mo. HURLEY, Forrest R. (L) Grace Research & Development Div., W. R. Grace & Co. Washington Research Center Clarksville, Md. HURLEY, Robert C. University of Washington Roberts Hall. Seattle, Wash. HURLEY, Robert E. (B) 175 N. Sandusky St., Tiffin, Ohio (Radio Corp. of America) HURLEY. T. P. (B) Sprague Electric Co. North Adams, Mass. J. L. Hughes Electric Co. HURST, Erwin J. (L) 76 N. Grant Ave., Columbus 15, Ohio General Ceramics Corp. HUGHES, Walter M. (WI) Plant 3, Research Dept. 534 Putnam Ave., Zanesville. Ohio Keasbey, N. J, (Chicago Standard Transformer Corp ) HURST, James J* Jr. HUGHEY, Vaughn V. (R) 349 Hopkins St., S. W. Basic, Inc., Maple Grove, Ohio Atlanta 10, Ga. R oster 51 ;URST, Thomas L. (L) Monsanto Chemical Co., Research Dept. Lindbergh & Olive St. Rds. St. Louis 24, Mo. URWITT, Steven (BJ) Jj^tferials Research Corp. ^^^ftuena.V ista Ave., Yonkers, N. Y. I H N S , John R,, III Massachusetts Institute of Technology Graduate House, Rm. 619A Cambridge 39, Mass. UTCHISON, Clark (EFI) 709 E. Armstrong St., Frankfort, Ind. (Ingram-Richardson, Inc.) iUTCHISOX, R. C. (RI) 2133 Stefko Blvd., Bethlehem, Pa. (Bethlehem Steel Co.) UTT, Glenn A. (EF) 19629 Scottsdale Blvd. Shaker Heights 22, Ohio (Ferro Corp.) [UTT, Gordon M. (R) Canadian Pacific Railway703 Windsor Station Montreal 1. Que., Canada UYCK, L. G. (E) Huyck Construction Co. 1861 DeCook Ave., Park Ridge, 111. IYATT, Edmond P. (L) 3735 S. 3100 East St. Salt Lake City 9, Utah (Electro-Ceramics, Inc.) fYDE, Collin (RI) * 581 Oxford St., Worthington, Ohio ; (Battelle Memorial Institute) IYNES, Frank J. (LI) Oxbow Rd., Wayland, Mass. ' (Raytheon Mfg. Co.) IYOLLE, Andre Ste. Generale de Carrelages 6 rue Leon Blum Feignies (Nord), France IYSLOP, Joseph F. ~ omore," Major's Loan fcirk, Scotland Stein & Co., Ltd.) | \NDER, J. Richard (M) . ".Ceramic News, 509 S. Beverly Dr. Beverly Hills, Calif. CHIKAWVt, Yoshio (L) 1903 Hanover St., Apt. 10 Pittsburgh 18, Pa. (Westinghouse Electric Corp.) DEAL-STANDARD, S. A. (Paul Lebrum), Vilvorde, Belgium HRIG, Allen C. (G) 28 Boardman Ave. . Cumberland Hills R. R., Manville, R. I. (Corning Glass Works) LES, Ramon R. (G) 2223 St. James Ct., Owensboro, Ky. (General Electric Co.) U FF. Fred K. (W) Harshaw Chemical Co. Jackson & Swanson Sts. Philadelphia 48, Pa. LLING, Arno M. (W) .: 5412 Laconia, Cincinnati 37, Ohio (Cambridge Tile Mfg. Co.) LLINOIS CLAY PRODUCTS CO. (Howard F. West) 68 N. Chicago St. Joliet, Hl. `-LYN, Alexis V. (L) 1080 State Fair Blvd. ^Syracuse 9, N. Y. . (General Electric Co.) " O F F , Rdward J. (G) States Glass Co. port, Pa. IATO, Robert R. (LI) ne Electric Co., Nashua, N. H. .CERAMIC SOCIETY Roy) Dept, of Ceramics s Hindu Univ., Benares, India O. 10 (1958) INDIANA GEOLOGICAL SURVEY (Jack L. Harrison) Indiana University, Bloomington, Ind. INDUSTRIAL CERAMIC PRODUCTS, INC. (C. R. Oberst) 965 W. Fifth Ave., Columbus 8, Ohio INDUSTRIA VENEZOLANA de VIDRIOS PLANOS C. A. (Cnel J. Marcano) Av. Libertador 118 (Calle La Linea), Las Delicias Sabana Grande, Caracas, Venezuela INGERSOLL-HUMPHRYES DIV., BORG-WARNER CORP. (G. W. Kelch) 201 E. Fifth St., Mansfield, Ohio INGHAM. David (W) American Encaustic Tiling Co. Lansdale, Pa. INGRAM-RICHARDSON, INC.* (R. H. Coin) Jefferson Rd. Frankfort, Ind. INSLEY, Herbert (BF) 5219 Farrington Rd. Washington 16, D. C. (Consulting Mineralogist) INSLEY, Robert H. (B) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. INSTITUT de CERAMIQUE FRANAISE 6 Grande-Rue Sevres (S. & O.), France Insulator--See General Electric Co. INTERNATIONAL CLAY MACHINERY CO. (R. H. McElroy) 1145 Bolander Ave., Dayton 1, Ohio INTERNATIONAL COMMISSION ON GLASS (B. P. Dudding) Research Laboratories General Electric Co., Ltd. Wembley, Middlesex, England IRLAND. David L. (RJ) 35 Clinton St., Seneca Falls, N. Y. IRONTON FIR E BRICK CO. (J. H. Rickey, Jr.) Box 536 Ironton, Ohio IRVINE, George C. (WI) Canadian Carborundum Co., Ltd. Niagara Falls, Ont., Canada IRWIN, Philip P. (W) Potters Supply Co. 11 Washington St. East Liverpool, Ohio IRWIN, William W. (W) Potters Supply Co. 11 Washington St., East Liverpool, Ohio ISAACS, Richard P. (M) 78 Elmwood Dr., Livingston, N. J. (Hammill & Gillespie, Inc.) ISAGAWA, Jun Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan ISELIN, Charles W. (GJ) Thatcher Glass Manufacturing Co. Elmira, N. Y. ISENHOUR, C. W,, Jr. (S) Isenhour Brick & Tile Co., Box 1249 Salisbury, N. C. ISENHOUR, James V. (S) Sanford Brick & Tile Co., Colon, N. C. ISENHOUR', John H. (SF) 215 Confederate Ave., Salisbury, N. C. (Isenhour Brick & Tile Co.) ISSERLIS, Morris D. (L) Stabilized Pigments, Inc. Box 251, New Brunswick, N. J. ITO, Shozo Nippon Gaishi Kaisha, Ltd. 1, 2-Chome, Horita-dori, Mizuho-ku Nagoya, Japan ITSCHNER, Robert Tannenrauchstrasse 106 Zurich 38, Switzerland (Tonwerke Thayngen AG) IVES, John B. (RI) 18 Standish St., Frostburg, Md. (Big Savage Refractories Div. Mexico Refractories Co.) IVEY, J. Ray (S) Acme Brick Co. R.R. 1, Millsap, Texas J JABBUSCH, Arthur J. (S) Pomona Terra-Cotta Co. Greensboro, N. C. JACKSON, A. Curtis (SFI) Robinson Brick & Tile Co. 500 S. Santa Fe Dr., Denver, Colo. JACKSON, James 'Avonhaugh', Stonehouse Lanarkshire, Scotland (Jackson, Elphick & Co. Ltd.) JACKSON, James M. (G) Ball Brothers Research Corp. Box 191, Boulder, Colo. JACKSON, Mary A. (E) 11006 Montrose Ave. Garrett Park, Md. JACKSON, Robert E. R. R. 1, Lancaster, S. C. JACKSON VITRIFIED CHINA CO. (Philip R. Distillator) 2 West St. Pelham Manor 65, N. Y. JACKSON, Wharton (M) Wharton Jackson Co. 475 Huntington Dr. San Marino 9, Calif. JACKSON, William M., II (W) 13 Maura Dr., Woburn, Mass. (Godfrey L. Cabot, Inc.) JACKSON, William W. Box 246, Georgia Tech. Sta. Atlanta 13, Ga. JACOB, Bernard T. (RI) National Crucible Co. Mermaid Lane & Queen St. Philadelphia 18, Pa. JACOBS, Charles W. F. (W) 63 Hawthorne, Buffalo 23, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) JACOBS, H. Box 117, Vereeniging Transvaal, South Africa (Vereeniging Brick & Tile Co. Ltd.) JACOBS, Louis J. (R) Ramtite Co., 2563 W. 18th St. Chicago 8, 111. JACOBS, Richard A. (G) Brockway Glass Co., Inc. Brockway, Pa. JACOBY, William R. (R) 12 Dyer Dr., Jonesville, N. Y. (General Electric Co.) JACOLOW, Jules (L) 3409 Wilcox Blvd. Chattanooga, Tenn. (American Lava Corp.) JAFFE, Bernard (LI) 4238 Hinsdale Rd. South Euclid 21, Ohio (Clevite Research Center) JAMES, William A. (R) Kaiser Aluminum & Chemical Corp. Box 1031, Baton Rouge 1, La. JAMESON, Robert J. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio JAMISON, C. Donald, Jr. (R) Koppers Co., Inc., Eng. & Const. DN Koppers Bldg., Pittsburgh 19, Pa JANES, Clinton S., Jr. 1025 Vermont Ave., Pittsburgh 34, Pa. JANKE, Charles E. (S) 3363 Winthrop Dr., Parma 34, Ohio (Cleveland Builders Supply Co.) JANSMA, Frank (MF) B. F. Drakenfeld & Co., Inc. Washington, Pa. JANSSEN, William F. (M) 15 Oak Ridge Rd., Basking Ridge, N. J. (Bell Telephone Labs.) R o s t e r 53 ANULIONIS, Anthony D. (L) JOHNSON, George E., Jr. (RI) 31 Stenzil St. North American Refractories Co. North Tonawanda, N. Y. Curwensville, Pa. (Titanium Alloy Mfg. Div., JOHNSON, Gordon H. (E) National Lead Co.) 24188 Gessner Rd. ARVIS, Theodore (B) North Olmsted, Ohio rd Instrument Co. (Ferro Corp.) 10 Thomson Ave. JOHNSON, Harold C. (G) __ rig Island City 1, N. Y. Corning Glass Works iASPER, Stanley J. (WJ) Corning, N. Y. 2411 Bell St., Zanesville, Ohio JOHNSON, J. A. (Mosaic Tile Co.) Progress Engineers, Ltd., Leek New Rd. EFFERY, Benjamin A. (W) Cobridge, Burslem Box 32, Tumacacori, Ariz. Stoke-on-Trent, England (Champion Spark Plug Co., JOHNSON, J. Albert (G )' Ceramic Div.) Findlay Clay Products Co. JEFFREY, G. H. (W) Box 517, Washington, Pa. Roder Ceramic Studio JOHNSON, James E. (I) 500 Brgadwav, Clifton Heights, Pa. A C Spark Plug Div., TENUS, C. E. (M) General Motors Corp. W. S. Tyler Co. 1300 N. Dort Hww, Flint, Mich. 3615 Superior Ave., N. E. JOHNSON, James R. (BI) Cleveland 14, Ohio 4 Oak Knoll Dr. JENNINGS, Edward F. (W) White Bear Lake 10, Minn. 260 E. Walnut, Westfield, N. J. (Minnesota Mining & Mfg. Co.) (Carborundum Co.) JOHNSON, Keith A. (RJ) JENNY, A. R. (M) Bethlehem Steel Co. Combustion Engineering, Inc. Research Dept., Bethlehem, Pa. Raymond Div., 1315 N. Branch St. JOHNSON, Keith N. Chicago 22, 111. 5331 Henderson St., Apt. 432 JENSEN, Edwin K. (E) Seattle 18, Wash. 3012 Putty Hill Rd., Baltimore 14, Md. JOHNSON, Larry R. (Briggs Mfg. Co.) 3529 Ivy Rd., Atlanta, Ga. JEPPSON, George N. (RF) JOHNSON, Lawrence D. Norton Co., One New Bond St. 1850 West Blvd., Tacoma 66, Wash. Worcester 6, Mass. JOHNSON, LeRoy A. (E) JEPPSON, John (R) 1206 Cleveland St., Evanston, 111. 40 Westwood Dr., Worcester, Mass. (Chicago Vitreous Corp.) (Norton Co.) JOHNSON, Paul V. (SFI) JERO, Parker (E) Structural Clay Products 932 Birchwood Dr., Washington, 111. Research Foundation, Geneva, 111. (Caterpillar Tractor Co.) JIMMERSON, James E. (S) Henderson Clay Products, Box 870 ^^H enderson, Texas J^H S -M A N V IL L E SALES CORP. C. Crawford, Jr.) 22 E. 40th ^ T le w York 16, N. Y. JOHNS, William V. (W) Shenango China Inc., New Castle, Pa. JOHNSON, A. L. (GF) Glass Container IndustryResearch Corp. JOHNSON, Richard C. (R) Foster W'heeler Corp. Dansville, N. Y. JOHNSON, Vernon J. (L) St. 1034-B 48th, Los Alamos, N. (Los Alamos Scientific Lab.) JOHNSON, William A. (E) 7269 Greenleaf Ave. Cleveland 30, Ohio (Ferro Corp.) JOHNSTON, James K. (M) M. First National Bank Bldg. 737 N. Park Ave., Norristown, Pa. New Castle, Pa. (General Electric Co.) JOHNSON, Alexander H. JOHNSTON, J. G. H. L. Brisbane & Wunderlich Ltd. Leeds Fireclay Co., Ltd. Lord St., East Perth, West Australia Wortley, Leeds 12, England JOHNSON, Alton E. (LI) JOHNSTON, Terence B. (W) 4903 N. 53rd St., Milwaukee 18, Wise. 2683 Altura Dr., Cincinnati 39, Ohio (Centralab Div., Globe-Union Inc.) . (Cambridge Tile Mfg. Co.) JOHNSON, A. M. (R) JONAS, Edward C. (B) Ross-Tacony Crucible Co. University of Texas, Dept, of Geology Robbins & Milnor Sts. Austin 12, Texas Philadelphia 35, Pa. JONES, Cecil M., II (R) JOHNSON, BEN R. R. 3, Skillman Lane Box 65, Greendale Sta. Worcester, Mass. New Brunswick, N. J. (Norton Co.) JOHNSON, Bruce M. 763 College Ave., Livermore, Calif. JOHNSON, Clarence L. (L) Centralab Div., Globe-Union Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. JOHNSON, David M. (B) 4110 Berkshire Ave., Louisville 5, Ky. (Corhart Refractories Co., Inc.) JOHNSON, Delmar A. (G) 204 Chemung St., Corning, N. Y. (Corning Glass W'orks) JOHNSON, Dudley B. (E) \ 31624 Ronald Dr., Willowick, Ohio (Glascote Products, Inc.) *NSON, Earle K. (S) Eureka Brick & Tile Co. Sox 338, Clarksville, Ark. NSON, Elwin L. JONES, Frank L. (G) Koppers Co., Inc., Box 128, Verona, Pa. JONES, George A. (G) 3411 Central Ave. Parkersburg, W. Va. (Corning Glass Works) JONES, Glen A. (B) Diamonite Products Mfg. Co. Shreve, Ohio JONES, Howard E., Jr. (R) 19150 Robson, Detroit 35, Mich. (Jones-Mundle & Co.) JONES, John T. (BJ) 1110 13th St., Golden, Colo. (Coors Porcelain Co.) JONES, Maynard J. (E) Pfaudler-Permutit, Inc. 1000 West Ave., Rochester 3, N. Y. JONES METAL PRODUCTS CO. S.2, 1107 E. Delaware, Urbana, 111. :JO<H N(SSuOmNmi,tvFilrledFHac.e, JBr.ric(kS)Co.) (Edwin F. Mulligan) West Lafayette, Ohio Summitville, Ohio >oL. 37, No. 10 (1958) JONES, Paul E. (RJ) Box 182, Mt. Upton, N. Y. (U. S. Army) JONES, Paul R. (X) West Virginia University Dept, of Chem. Engr. Morgantown, W. Va. JONES, Raymond B. (W) National Tile & Manufacturing Co. 1200 E. 26th St., Anderson, Ind. JONES, Richard E. (R) 1301 Union Ave. Natrona Heights, Pa. (Pittsburg Plate Glass Co.) JONES, Robert E. (S) Engineering Associates, Inc. Box 5284, Asheville, N. C. JONES, Robert O. (K) Standard Slag Co. Box 3, Gabbs, Kev. JONES, Roger D. (R) 100 Tuscarora Rd.. Buffalo 20, N. Y. (Electro Refractories & Abrasives Corp.) JONGEJAN, Arnout (B) Box 71, Stittsville. Ont.. Canada (Dept. Mines & Technical Survevs) JONKER, G. H. Philips Research Labs., Kastanjelaan Eindhoven, Netherlands JONTZ, Melvin L. (M) 710 Orange Grove Ave. South Pasadena, Calif. (Melvin L. Jontz Co.) JORDAN, John N. (G) Consumers Glass Co. Ltd. Box 456, Station B. Montreal, Que., Canada JORDAN, John W. (M) Baroid Div., National Lead Co. Box 1675, Houston 1, Texas JORDAN, R. E., Jr. (W) Mosaic Tile Co., Zanesville, Ohio JORGENSEN, Paul J. 1153 Sherman Ave. Salt Lake City, Utah JOVA BRICK WORKS (J. L. Jova) Roseton, N. Y. JOVA, J. L. (S) Jova Brick Works, Roseton, N. Y. JOY, David B. (M) National Carbon Co. 30 E. 42nd St., New York 17, N. Y. JOYNER, Bobby L. (L) Erie Technical Ceramics Div. Erie Resistor Corp. Box 677, State College, Pa. JUDD, Donald M. (E) 19707 Wickfield Ave. Cleveland 22, Ohio (Ferro Corp.) JUDD, Roger D. (S) Endicott Clay Products Co. Box 17, Fairburv, Nebr. JUDKINS, Robert W. (L) Wilbur B. Driver Co. 1875 McCarter Hwy, Newark 4, N. J. JUELSS, David (M) Venus Pen & Pencil Corp. 500 Willow Ave., Hoboken, N. J. K KADEY, Frederic L,, Jr. (B) Four Bridges Rd., Chester, N. J. (Johns-Manville Corp.) KADUK, Edward E. (B) General Electric Co. #437, Nela Park, Cleveland 12, Ohio KAGEL, Dennis B. Box 1307, Alfred, N. Y. KAHLSON, W. S. (G) General Electric Co., Lamp Dept. Pitney Glass Works, Nela Park 12 Cleveland, Ohio KAHN, Max (G) 4932 Oleander Dr., Wilmington, N. C. KAISER, Leonard F. (G) 332 E. Wayne St., Maumee, Ohio (Libbey-Owens-Ford Glass Co.) R oster 55 (f KAISER, William E. (GJ) 2036 Ridge Ave., Arnold, Pa. (Pittsburgh Plate Glass Co.) KALLUP, Charles, Jr. (LI) 122iy2 S. Magnolia, Monrovia, Calif. (Consolidated Electrodynamics Corp.) KALMAN, Frank R. (EI) |014 Baxterly Rd., Lakewood 7, Ohio IPemco Corp.) Em b a c h , William j. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio KALOUSEK, George L. (G) Owens-Corning Fiberglas Corp. Newark, Ohio KAMICH, Barnet Z. (B) 11 Garwood St., South River, N. J. (Army Ordnance Corps') KAMLER, Anthony R. (GJI) 8 Rhodes PI., Hingham. Mass. (Pittsburgh Plate Glass Co.) KANE, John L. (W) 8457 Wicklow Ave. ' Cincinnati 36, Ohio (Cincinnati Milling Products Div., Cincinnati Milling Machine Co.) KANG, Yong G. Hankuk Glass Industry Co. Ltd. Box 1082, 5 Namchang-Dong, Choong-Ku, Seoul, Korea KANTOR, Neil I. (LI) 198 Mason Dr., Metuchen, N. J. (Crucible Steel Co. of America) KAPADIA, Homi (E) Kawneer International Ltd. Sinaloa No. 9 Mexico 7, D. F., Mexico KAPPMEYER, Keith K. (RJ) 1208 Leslie Rd., Pitcairn, Pa. (United States Steel Corp.) KARKHANAVALA, M. D. 239, Botawala Bldg., Tardeo Bombay 7, India (Atomic Energy Commission) ^hRNAS, John S. (W) ^ B 7 1 5 W. Fourth St. Rd. ^ J^ M an sfie ld , Ohio - (Ingersoll-Humphryes Div., ' Borg-Warner Corp.) KARNER, Ernest F. (I) 806 S. Fifth St., Champaign, III. KASPER, Robert J. (R) - Ohio Crankshaft Co. 3800 Harvard Ave., Cleveland 5, Ohio KASSEES, John S. (B) American Testing Lab., Inc. Box 1421, Lancaster, Pa. KASSEL, Robert (W) Lumberville, Pa. (Frenchtown Porcelain Co.) KAST, Edward T. Beach Ave., Athol Springs, N. Y. k s t e n , Elliott a . (L) 1167 E. 85th St., Brooklyn 36, N. Y. (Ferroxcube Corp. of America) k s t e n , vem on l . cwi) Three Oaks, Box 84, Jackson, Mo. (Ceramo Co. Inc.) k a s t e n b e i n , Ernest l . (w ) 100 E. Van Ness Ave., Rutherford, N. J (Rutgers, The State University School of Ceramics) KATONA, Gabriel P. (GJ) 140 E. Denison Pky., Corning, N. Y. (Corning Glass Works) KATZ, Joseph M. (LI) Lockheed Aircraft . Missile Systems Div., Dept. 54-13 ., Sunnyvale, Calif. KATZ, Sigmund (E) 24 Coolidge Ave., West Orange, N. J. ' 'Permadent Products) FFMAN, John R. (MFI) 3285 Braun Rd., Golden, Colo. Speedster, Inc.) .'- KAUFFMANN, Otto T. (W) (H1; : Frontenac Floor & Wall Tile Ltd. Kingston, Ont., Canada 'Xivi.. ^iVoL. 37, No. 10 (1958) KAUFMAN, Abraham (R) 283 S. Tenth St., San Jose 12, Calif. (Kaiser Aluminum & Chemical Corp.) KAUTZ, Karl (EFI) 24 Leon Rd., Pittsburgh 20, Pa. (Vitro Mfg. Co.) KAVADAS, Paul P. 4116 12th Ave., N. E,, Apt. 203 Seattle 5, Wash. KAY, William T. (RI) E. J. Bartells Co. 1212 Sixth Ave., S., Seattle 4, Wash. KAYSER, Julius A, (R) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. KEANEY, J. C. (G) 101 Pennsylvania Blvd. Pittsburgh 28, Pa. (National Lime & Stone Co.) KEANEY, Joseph C,, Jr. (G) J. C. Keaney & 60ns 101 Pennsylvania Blvd. Pittsburgh 28, Pa. KEANEY, Robert C. (G) St. Lawrence Fluorspar, Inc. 101 Pennsylvania Blvd. Pittsburgh 28, Pa. KEARNEY, John P. (G) 2723 Densmore Dr., Toledo 6, Ohio (Kimble Glass Co.) KEBLER, Leonard (E) Ward Leonard Electric Co. Mt. Vemon, N. Y. KEBLER, Richard W. (B) Linde Co., Speedway Lab. 1500 Polco St., Indianapolis 24, Ind. KEEFE, Daniel J., Jr. (WJ) 6 Circle Rd., Scarsdale, N. Y. (U. S. Army) KEEFE, Robert M. (R) 12 Beth Lane, Malvern, Pa. (H. K. Porter Co., Refractories Div.) KEEFER, George E. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio KEENEY, Bert O. (S) Kansas State Teachers College 1919 S. Locust, Pittsburg, Kans. KEHL, Nelson H. (RI) E. J. Lavino & Co. Box 29, Norristown, Pa. KEIHN, Frederick G. (R) Corning Glass Works, Corning, N. Y. KEIM, Laurence A. (G) 144 Cochran Rd., Pittsburgh 28, Pa. (Pittsburgh Plate Glass Co.) KEITH, Miss L. C. Canadian Ceramic Society . 49 Turner Rd. Toronto 10, Ont., Canada KEITH, Wendell P. (RI) 1234 E. Marvista St., Whittier, Calif. (W. P. Keith Co.) KELCH, G. W. (W) Ingersoll-Humphryes Div. Borg-Warner Corp., 201 E. Fifth St. Mansfield, Ohio KELLENBERGER, George E. (G) General Electric Co. Niles Glass Plant 403 N. Main, Niles, Ohio KELLER, Francis Pfungen, Switzerland (Keller & Cie. A.G.) KELLER, George W. (G) Owens-Illinois 1700 N. Westwood Ave., Toledo 7, Ohio KELLEY, Joseph A. (S) Zonolite Co., Box 217 Travelers Rest, S. C. KELLY, Austin J. (E) Guelph Stove Co., Ltd., York Rd Guelph, Ont., Canada KELLY, George D. (E) 3313 Middlesex Dr., Apt. B Toledo 6, Ohio (Owens-Illinois) KELLY, Hal J. (R; 6025 52nd N. E., Seattle 5, Wash. (U. S. Bureau of Mines) KELLY, John V. (R) Kaiser Steel Corp. Box 217, Fontana, Calif. KELLY, Joseph F. (R) 301 Braddock Ave., Lansdowne, Pa. (Naval Boiler & Turbine Lab.) KELLY, William J. (WI) 912 29th St., Hondo, Texas (Universal-Rundle Corp.) KELSEY FERGUSON BRICK CO. (R. M. Carpenter) East Windsor Hill, Conn. KELSEY, V. V. (GF) Winton Farm, Clifford, Va. (Consultant) KELTON, Stanton C., Jr. (G) Rohm & Haas Co., Bristol, Pa. KEMP, John A., Jr. (W) Church St., R. R. 1, Brooklyn, Conn. (American-Standard) KEMPF, George T. Box 1127, Alfred, N. Y. KENAGY, Lloyd N. (RJ) 770 Fetters Mill Rd. Huntingdon Valley, Pa. (General Refractories Co.) KENAGY, William L. (RFI) 770 Fetters Mill Rd. Huntingdon Valley, Pa. (Simonds Abrasive Co.) KENAN, Wilfred M. 406 N. Green St., Morganton, N. C. KENDALL, Ernest G. (B) Atomics International Div. North American Aviation, Inc. Box 309, Canoga Park, Calif. KENDALL. Thomas A. (S) University of Kentucky College of Eng., Lexington. Ky. KENDRICK, Robert W. (G) W. Main St., Westboro, Mass. (Bay State Abrasive Products Co.) KENDRICK, Thomas B. (G) Lancaster Glass Corp. 220-226 W. Main St., Lancaster, Ohio KENNEDY, Richard W .(L) 138 Woodside Dr., Newark, N. Y. (General Electric Co.) KENT, Joseph P. (WI) 247 Starr St., Brooklyn 37, N. Y. (Levitn Mfg. Co., Inc.) KENT, N. Johnson (RI) Johns-Manville Sales Corp. 22 E. 40th St., New York 16, N. Y. KENT, William B. (MI) 1605 Fairview Place, Alliance, Ohio (Kentucky-Tennessee Clay Co.) KENTUCKY CLAY MINING CO. (W. J. Watkins) Mayfield, Ky. KENTUCKY-TENNESSEE CLAY CO., INC. (Chester Gulick) Mayfield, Ky. KENWORTHY, Orville O. (B) 1486 Arthur Ave., Lakewood 7, Ohio (Ferro Corp ) KENYON, Clark (W) 18 Trenton Ave., Frenchtown, N. J. (Frenchtown Porcelain Co.) KEPKA, George M. (MI) Braun Chemical Co. 1363 S. Bonnie Beach PI. Los Angeles 54, Calif. KEPLINGER, Robert B. (RFI) Carroll Clay Co. Box 56, Carrollton, Ohio KERINS, M. P., Jr. (E) Stauffer Chemical Co. 380 Madison Ave. New York 17, N. Y. KERPER, Matthew J. (BI) National Bureau of Standards Div. 9.2, Washington 25, D. C. KERR, Charles H. (GF) 2861 Chatsworth Blvd. San Diego 6, Calif. R oster 57 CERR. H. Sinclair (Wj Star Porcelain Co. Box 1329, Trenton 7, X. J. 1ERR, John M. (BJ) 117 Amherst Lane, Oak Ridge, Tenn. (Union Carbide Nuclear Co.) K l. Raymond (KF1) trong Cork Co. 141, Beaver Falls, Pa. GE, Frank E. Johnson Matthey &. Co. Ltd. Research Labs., Exhibition Grounds Wemblev, Middlesex, England lERSHNER, William G. (WI) 117 S. 14th St., Olean, N. Y. (Olean Tile Co.) CESKI, James R. 8610 44th Ave.. S., Seattle 18, Wash. CESSEL, David J. 207 Vassar S. E., Albuquerque, N. M. 1ESTER, Ralph G. (RI) 1394 June Dr., Maumee, Ohio (Owens-Illinois) (EYS, Robert A., Jr. 308 W'hitehall Rd., Anderson, S. C. HEFER, William F. (R) Corning Glass Works, Corning, X. Y. CIEHL, Harry R. (G) 223 Chemung St., Corning, N. Y. (Coming Glass Works) IIESOW, Paul F. (G) Forest Hills Dr., Elmira, X. Y. (Westinghouse Electric Corp.) CILCOYNE, John R. (W) Canadian Porcelain Co. Ltd. Box 428, Hamilton, Ont., Canada CILGORE CERAMICS CORP. (D. H. Walkup) Box 1619 Kilgore, Texas CILLMAR, Henry M. (RI) Carborundum Co., Box 268 PenPnesrth Amboy, N. J. ^ n evgIM, Kee Hyong Pennsylvania State University < K lege of Mineral Industries WvetrfsCity Park, Pa. ou Song lutgers, The State UniversitySchool of Ceramics New Brunswick, X. J. UMBLE GLASS CO. (H. R. Black) 1700 N. Westwood Ave., Toledo, Ohio KINDER, Alan J. (S) Oconee Clay Products Co. Milledgeville, Ga. KING, Burnham W., Jr. (EFI) 2234 Lane Rd., Columbus 21, Ohio (Battelle Memorial Institute) KING, Charles B. (G) 189 Cedar St., Coming, N. Y. _ (Corning Glass Works) KING, Harry M. (B) 2102 Shady Lane Dr.. Huntsville, Ala. (Army Ballistic Missile Agency) KING, R. M. (XFI) (-rd Hall, Ohio State Univ. _ Columbus 10, Ohio KING, Robert M. 10609 Lindberg Ave. Pittsburgh 35. Pa. KING. Walter F. (M) 365 Arborlea Ave., Morrisville, Pa. (Shenandoah Silica Co., Inc.) KING, Wayne W. (R) R03 Kingston Rd., Baltimore 12, Md. (W. S. Tyler Co.) KINGERY, W. D. (B) ' Ceramics Div., Mass. Inst, of Tech. Cambridge 39, Mass. KINSMAN, Bradley Q. (MI) _Wicks Blvd., Corning, N. Y. frning Glass Works) R, Paul J. (G) ityland Glass Corp. ..**67 Wicomico St., Baltimore 30, Md. KIRCHER, Wolfgang ' i "Wier-Werke, 16 Lessingstr. ^WiesbaNdeon-, 1W0es(t19G5e8r)many KIRCHNER, Henry P., Jr. (B) Cornell Aeronautical Lab. 4455 Genesee St., Buffalo, X. Y. KIRKEXDALE, G. A. (XI) State University of New York College of Ceramics,.gt Alfred Univ. Alfred, X. Y. KIRKPATRICK, Frank (WFI) 2920 Manhattan Ave. Hermosa Beach, Calif. (General Tile Co.) KIRSCH, Thomas S. (I) Ferro Corp. . 4150 E. 56th St., Cleveland 5. Ohio KITCHEN, Alan J. 95 E. Main St., Angelica, X. Y. KLANE, Frank (G) Corning Glass Works, Corning, X Y KLATT, Robert W. (W) American Zinc Sales Co. 77 W. Washington St., Chicago, 111. KLAL1S, Irving (W) 137 Winthrop Rd. Washington Park, Nixon, X. J. (Permadent Products, Inc.) KLAUS. Sol C, Jr. (L) 50 S. Munn Ave., Apt. 804 East Orange, X. J. (General Instrument Corp.) KLEEMAX, Lee A. (RI) 5700 Center Ave., Apt. 610 Pittsburgh 6, Pa. (Harbison-Walker Refractories Co.) KLEIN. Jonathan D. (I) . Massachusetts Institute of Technology Rra. 4-051, Cambridge 39, Mass. KLE1XDIENST, Henry W. (R) 12 Mavwood PI. Kings Park, L. I., X. Y. (Republic Aviation Corp.) KLEIXPAUL, Mrs. Elfride Kleinpaul Caolini Argille ed Affin! Via Luigi Razza 2, Milano, Italy KLEKOTKA, Joseph F. (G) 3601 Reed St., Philadelphia 46, Pa. (Philadelphia Naval Base) KLEMM, William A. (B) Kaiser Aluminum & Chemical Corp. Reduction Research Lab. Permanente, Calif. KLEVENS, H. B. (G) 6801 McPherson Blvd. Pittsburgh 8, Pa. (Mellon Institute) KLEYMEYER, Clifford A. (S) Standard Brick & Tile Corp. 123 N. W. Fourth St. Evansville 8, Ind. KLICKER, Everett E. (R) Michigan Chemical Corp. Saint Louis, Mich. KLIMAX. Morton I. (B) 145 Grove St. Chestnut Hill 67, Mass. (Arthur D. Little, Inc.) KLINE, Hugh L. (G) Corning Glass Works, Corning, X. Y. KLINEFELTER, T. A. (RFI) 2116 "F" St., N. W. Washington 7, D. C. (U. S. Bureau of Mines) KLIXGSBERG, Cyrus Corning Glass Works Research & Development Lab. Corning, X. Y. KLIPPER, Joseph (M) Clipper Diamond Tool Co., Inc. 345 Hudson St.. New York 14, X. Y. KLOCKE, Edward J. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio KLOCKXER, Herman Richard (W) Universal-Rundle Corp. New Castle Plant Box 1268, Mahoningtown, Pa. KNAPP, James L,, III Box 1153, Alfred, N. Y. KNAPP, Robert C. (L) R. R. 6, Auburn, N. Y. (General Electric Co.) KNAPP, Thomas E. (W) 120 Mission Meade Rd., New Castle, Pa. (Shenango China, Inc.) KNAPP, William J. (BI) University of California Dept, of Engineering Los Angeles 24, Calif. KNAUFT, Robert W. (R) Charles Taylor Sons Co. Box 58, Annex Station Cincinnati 14, Ohio KNECHT, Albert O. (WI) 201 Edgewood Ave., New Castle, Pa (Universal-Rundle Corp.) KXESEL, Les (W) Cala Tile 4911 E. Slauson Ave., Maywood, Calif. KNIGHT, E. H. (S) Maurice A. Knight, "Knight-Ware" Box 150. Crooksville. Ohio KNIGHT, Mellen A. (B) Minnesota Mining & Mfg. Co. 2301 Hudson Rd., St. Paul 6, Minn. KNIGHTON, Heywood J. (G) 542 Lakepointe Grosse Pointe Park 30, Mich. (Ford Motor Co.) KXISELY, Robert C. (G) McClain Dr., Vineland, N. J. (Kimble Glass Co.) KNIZEK, Jan Otto (R) Apartado 2739, Mexico, D. F. Mexico (Compania Mexicans de Tubos de Albanal, S. A.) KNOBLAUGH, Walter C. (RI) Box 271, R.R. 3, Tiffin, Ohio (Basic, Inc.) KNOWLES, EDWIN M., CHINA CO. (W. D. Packman) Newell, W. Va. KNOWLES, Philip S. (S) 210 Taylor Rd.. Elgin, Texas (Elgin Butler Brick Co.) KNOWLTON, Donald E. (W) 510 S. Osage Ave., Inglewood, Calil (General Tile Co.) KNOX GLASS, INC. (A. W. Wishart) Knox, Clarion Co., Pa. KNOX. James J. (G) 6 Meinzer St., Avenel. N. J. (Knox Laboratory, Inc.) KNUDSEN, Friedrich P. (BI) 4912 Crescent St., Washington 16, D. C (National Bureau of Standards) KNUDSEN, Rolf Borgestad. P. A.. Norway (Borgestad Fabrikker) KNUTSEN. Eivind (R) Western Refractories Co. Box 169, lone. Calif. KOCH, Daniel O. (L) E. I. du Pont de Nemours & Co., Inc. Electrochemicals Dept. 71 Buckingham Ave. Perth Amboy, N. J. KOCH, Renato Marconi Italians S. p. A. Stabilimento Tubi Elettronici Via Pile 60, L'Aquila, Italy KOCH, Richard L. (B) Walter Kidde & Co. 725 Broadway. Newark, N. J. KOCH, William J. (LI) Radio Corp. of America Electron Tube Div. Harrison, N. J. KOCHANEK, Michel (R) 4141 153rd St., S. E., Bellevue, Wash. (Gladding, McBean & Co.) KOEHLER, W. A. (RI) Mineral Industries Bldg. West Virginia University Morgantown, W. Va. . KOENIG. Charles Jacob (W FI) Engr. Expt. Sta., Ohio State University Columbus 10, Ohio R o s t e r 59 C0EN1G, E. W. (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Old Orchard Rd., Skokie, 111. KOENIG, John H. (LFI) Rutgers, The State University ^ ^ h o o l of Ceramics Brunswick, N. J. L. C. (X) ^^mdberg Engineering Co. 2450 W. Hubbard St., Chicago 12, 111. KOHL, Hans Leerbachstr, 117 Frankfurt A. M., Germany (Degussa) KOHL, Walter H. (L) 12598 Valley View Dr. Los Altos, Calif. (Sylvania Electric Products, Inc.) KOHLER. Anthony M. (R) 400 Atlantic Ave., Spring Lake, X. J. (Consultant) KOHLER CO. (G. P. Gavin) Kohler, Wise. KOHX, Joseph (G) Universal Dental Co. ' 48th & Brown Sts., Philadelphia 39, Pa. KOHNE, Frank H. (W) Ceramic Color & Chemical Mfg. Co. New Brighton, Pa. KOHXKEX, Donald H. (EJ) 1908 Ramblewood Rd. Baltimore 14, Md. (Pemco Corp.) KOLLIE, Thomas G. 653 Willard Ave., S. W., Atlanta, Ga. KOMAREK, Kurt L. (B) New York University College of 'Engineering University Heights New York 53, N. Y. KONEMANN, Clarence J. (E) 92 Noble St., Kutztown, Pa. (Ballv Metal Products, Inc.) KONOPICKY, Kamillo 'schungsinstitut der ierfest-Industrie Imholtzstr. 27, Bonn, Germany KONOWITCH, Gilbert D. 2010 N. 74th Ave. Elmwood Park 35, 111. KONRAD, Howard E. (R) Claire Dr., R. R. 2, Somerville, N. J. (Johns-Manville Corp.) KOOIJ, K. Chamotte Unie N.V. 7, Tielerweg Geldermalsen, Holland KOOS, E. K. (WI) Sterling China Co. East Liverpool, Ohio KOPP GLASS, INC. (C. E. Leberknight) Box 8255 Pittsburgh 18, Pa. . KOPPERS CO., INC. (Frank L. Jones) Box 128, Verona, Pa. k o r a , Yosio 2 Chme, Katsuyama-Cho Yawata, Fukuoka, Japan (Kurosaki Fire Brick Mfg. Co. Ltd.) KOROLKOFF, Nicholas O. (L) Rome Air Development Center, USAF RCSGME--Griffiss AFB, Rome, X. Y. KOSCHNY, Arthur American Ceramic Society, Inc. 4055 N. High St., Columbus 14, Ohio KOSHUBA, Walter J. (BI) 424 Hillcrest Dr., Wyoming 15, Ohio (General Electric Co.) KOUBEK, Francis J. (R) 1600 Forest Park Ave. Baltimore 7, Md. (U. S. Naval Ordnance Lab.) | L IC H , Joseph J. (W) Villa PI., Rahway, N. J. ^ B ^ a d i o Corp. of America) KOWAL. Leo B. (G) . Canadian Pittsburgh Industries, Ltd. 300 Blvd. St. Croix }.; Vflle St. Laurent, Que., Canada - 37, No. 10 (1958) KOWALCZYK, Robert A. 237 W. Beaver Ave., State College, Pa. KOWALKA, Warren R. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio KRAFT, C. W. (S) . Kraftile Co., Niles, Calif. KRAFT, Maurice M. (E) Kraft Chemical Co. 917 W. 18th St., Chicago 8, 111. KRAFT, Ralph G. (L) 102 W. Chateau Place Milwaukee 17, Wise. (Allen-Bradley Co.) KRAFTILE CO. (C. W. Kraft) Niles, Calif. KRANER, Hobart M. (BFI) Bethlehem Steel Co. Bethlehem, Pa. KREGER, John M. (R) Valentine Fire Brick Co. Div. A. P. Green Fire Brick Co. Woodbridge, N. J. KREHBIEL, Frederick H. (G) Box 36, Pataskala, Ohio (Owens-Corning Fiberglas Corp.) KREIDL, E. L. (B) A. D. Little, Inc. 15 Acorn Park, Cambridge 40, Mass. KREIDL, Norbert J. (GF) Bausch & Lomb Optical Co. Rochester 2, X. Y. KRELLNER, Walter G. (L) Stackpole Carbon Co., St. Marys, Pa. KREUER, Albert L. (M) Orefractiop, Inc., 7425 Thomas St. Pittsburgh 8, Pa. KRIEGEL, W. Wurth (XFI) North Carolina State College Dept, of Mineral Industries Raleigh, X. C. KRIGER. Frederick S. (G) 148 E. Second St.. Corning, N. Y. (Coming Glass Works) KROCHMAL, Jerome J. (R) 1641 Layton Dr., Dayton 6, Ohio (Wright-Patterson AFB) KROECK, William H. (G) Bell Telephone Labs. 555 Union Blvd., Allentown, Pa. KROGSTIE, Lars Bernhard Norsk Teknisk Porselenfabrikk Box 188, Fredrikstad, Norway KRONBERG, Marritt L. (B) General Electric Co., Research Lab. Schenectady, N. Y. KRONMAN, Samuel J. (WI) Carteret China Co. High St.. Carteret, N. J. KRUMWIEDE, John F. 404 Fox River St., Plainfield, 111. KRUSON, Joseph H. (RI) Box 358, Frostburg, Md. (Big Savage Refractories Div. Mexico Refractories Co.) KRYSTYNIAK, Casimir W. (R) 343 Howell St., Schenectady 3, N. Y. (General Electric Co.) KRYWULT, Edward Z. (W) 171 St. Joseph Ave. Long Beach 3, Calif. (Huntington Tile, Inc.) KUCZYNSKI, George C. (B) University of Notre Dame Box 145, Notre Dame, Ind. KUECHLER, Adolph (BI) 169 Congress Ave., Providence 7, R. I. (American Emery Wheel Works) KUGLER, Willy Stoneware Factory Embrach Ltd. Embrach, Zurich, Switzerland KULCSAR, Frank (L) Clevite Research Center 540 E. 105th St., Cleveland 8, Ohio KUMINS, Charles A. (B) Interchemical Corp. Central Research Labs. 432 W. 45th St., New York 36, N. Y. KUMMEL, Marshall L. 1191 Merrick, Detroit, Mich. KUNDLER, Hanns H. (M) Arnhold Ceramics, Inc. One E. 57th St., New York 22, N. Y. KUNZ, Joseph F. (G) 341 W. 25th St., Erie, Pa. (Bausch & Lomb Optical Co.) KUNZMAN, Edward E. (Ml) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio KURKJIAN, Charles R. Department of Glass Technology Sheffield University Sheffield, England KURTZ, Peter, Jr. 827 Second St., Apt. B. Santa Monica, Calif. KUSHXER, Burton A. (RJ) 780 Greenwich St. New York 14, X. Y. KUYPER, Geoffrey S. (RJI) Griffin Wheel Co. 445 N. Sacramento Blvd. Chicago 12, 111. KYANITE MINING CORP. (Gene Dixon) Dillwyn, Va. KYI, Maung Yu Union of Burma Applied Research Inst. Junction of Kaba Ave.-Kanbe Rd. Kanbe, Rangoon, Burma KYOKWAI, Yogyo Ceramic Association, Japan No. 7, Shiba Nishikubosakura Gawa-Cho, Minato-Ku, Tokyo, Japan KYONKA, Joseph C. (WI) 14304 Bellevue Dr., Hopkins. Minn. (Minneapolis-Honeywell Regulator Co.) KYSER, John A. (L) R. R. 2, Olean, X. Y. (Hi-Q Div., Aerovox Corp.) L LABANSAT, Jacques Centre Technique des Tuiles et Briques _ 23 rue de Cronstadt, Paris XV, France LABORATORIO QUIMICO NACIONAL (Jorge Ancizar-Sordo) Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia LACHMAN, Irwin M. (LI) Box 881, Redwood City, Calif. (Thermo Materials, Inc.) LACLEDE-CHRISTY WORKS REFRACTORIES DIV. H. K. PORTER CO. (W. L. Fabiamc) 4705 Ridgewood Ave., St. Louis, Mo. LACONICH, Sixto Godofredo Porcelana Americana S. A. San Julian y Andes Lomas de Zamora, F.C.N.G.R. Argentina LACY, Lyman W. (S) Cannon & Co., Box 802 Sacramento 4, Calif. LADOO, Raymond B. (M) 42 Huntington Rd., Newton 58, Mass. (Consulting Engineer) LaFORGE, Louis H., Jr. (L) 764 Marion Ave., Palo Alto, Calif. (Sylvania Electric Products, Inc.) LAIDLER, Douglas S. Associated Lead Manufacturers Ltd. 7, Wadsworth Rd., Perivale Greenford, Middlesex, England LAIRD, Charles (SI) Box 462, Holly Springs, Miss. (Holly Springs Brick & Tile Co., Inc.) LAIRD, Robert K. (E) 4807 Blue Bird Ave., Louisville 13, Ky. (American Radiator & Standard Sanitary Corp., Plumbing Div.) LAKTASICH, Peter M. Box 847, Alfred, N. Y. R oster 61 MAIRE, Robert V. (RI) Sawmill Rd., Warren Twp. Plainfield, N. J. (International Nickel Co., Inc.) )MAR, George B. (R) Interchemical Corp., Albion Kaolin Div. Hephzibah, Ga. Wayland W. (RJ) ^^^R zibah, Ga. ^ ^ V rcb e m ic al Corp.) \MB7 Hal (M) Braun Chemical Co. 1363 S. Bonnie Beach PI. Los Angeles 54, Calif. \MBE, C. M. (MFI) 2319 Thayer St., Evanston, 111. (United States Gypsum Co.) \MBERT, Joseph M. (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. \MBERT, Theron M. (L) King Laboratory. Inc. 2645 S. Second, W. Salt Lake City, Utah \MBERTSON, Wingate A. (BI) Carborundum Co., Res. k Development Div. Niagara Falls, N. Y. AMBERTUS, Harold (B) American Bearing Corp. 429 S. Harding St. Indianapolis 7, Ind. AMBIE, J. M. (R) Findlay Clay Products Co. Washington, Pa. ANDBACK, Charles R., Jr. (W)^ Carborundum Co., Keasbey, N. J. ANDRON, Rafael, Jr. (R) _ Coming Glass Works, Corning, N. Y. ANE, George J. (M) Edgar Plastic Kaolin Co. Edgar, Fia. ANE, John R. 306 W. Beardsley, Champaign, 111. A N ^R ich ard O. (WI) ^^^kplin Co., 2917 Wildwood Ave. Mich. ANC; Richard L. (G) Ohio Fuel Gas Co. 17 N. Fourth St., Zanesville, Ohio ANG, Samuel G. (E) Hartwood Glass & Metals Co. Box 865, Martinsburg, W. Va. ANG, S. M. (WF) Nuclear Materials & Equipment Corp. Box 436, Apollo, Pa. ANGE, James M. (R) Bethlehem Steel Co., Fuel Div. Bethlehem, Pa. ANGE, Louis A. (M) Industrial Heat Control Products 641 Hawthorne Ave. South Milwaukee, Wise. -ANGROD, Kasimir (W) Atomics International Div. North American Aviation, Inc. Box 309, Canoga Park, Calif. -ANGSTON, Robert B. University of California Hearst Mining BIdg., Rm. 250 Berkeley 4, Calif. -ANIER, William S. (R) Babcock & Wilcox Co. Old Savannah Rd., Augusta, Ga. ANNES, Eugene M. (RI) 1695 N. Union St., Fostoria, Ohio (Hoeganaes Sponge Iron) APP, Grover W. (MF) Lapp Engineering Co. 68 W. Main St., Le Roy, N. Y. -APP INSULATOR CO., INC. E. Stettinius) Le Roy, N. Y. David J., Jr. 18th N. E., Seattle 5, Wash. -a M S c h , Herbert W. (E) 10 Rutgers St., E. Hill Estates . Smithtown, N. Y. ..(Fairchild Engine Div.) rQL. 37, No. 10 (1958) LARKIN, Paul G. (W) 250 N. Harrison St., Campbell, Calif. (Consultant) LaROCCA, Frank J. (R) Colorado Fuel & Iron Corp. Box 316, Pueblo, Colo. LARSEN, Inge Marie ' A/S Bing & Grondahl Vesterbrogade, 149 Copenhagen, Denmark LARSON, Charles E. (G) R. R. 4, Brookville, Pa. (Svlvania Electric Products, Inc.) LARSON, Paul F. (W)' 3866 Norman Ave., N. W. Canton 9, Ohio (Sparta Ceramic Co.) LARSON, Thomas L. (RJ) 971 Pleasant, Boulder, Colo. (U. S. Navy) LASDAY, Albert H. (G) R. R. 4, Box 324, Morgantown. W. Va. (A. H. Lasdav Co.) LASEMAN, Malcolm E. (R) 51 S. Fenton St., Denver 14, Colo. (Denver Fire Clay Co.) LASKY, Elliott 274 First Ave.. New York, N. Y". LASS, George 4011 Brownlee Rd.. Louisville 7, Kv. LATCHFORD GLASS CO. (C. L. Dillon) Box 71707 Los Angeles 1, Calif. LATHE, Frank E. (R) National Research Council Ottawa, Ont., Canada LATIMER, Glen H. (R) 2613 Dogwood Ln. East*Norriton Twp. Norristown. Pa. (E. J. Lavino & Co l LATIMER, Horace L. (WI) 1333 Firwood Dr., Pittsburgh 16, Pa. (O. Hommel Co.) LATIMER, Trent W. Ohio State University, Baker Hal! Columbus 10, Ohio LATTIN, Judson M. (R) 14644 S. Edbrooke Ave., Dolton. 111. (International Harvester Co.) LAUCHNER, Julian H. (E) University of Illinois Dept, of Ceramic Engineering Urbana, 111. LAUGHLIN, HOMER, CHINA CO. (J. M. Wells) Newell. W. Va. LAURIE, DOMINIC (RI) Titanium Alloy Mfg. Div., National Lead Co. Niagara Falls, N. Y. LAUZAU, Wilbur R. (R) National Carbon Co., Fostoria, Ohio LAWLER, Harry A. (RJ) 8-C 67th St., Sandra Ct. Apts. Niagara Falls, N. Y. (Carborundum Co.) LAWLESS. Emmett A., Jr. (S) Alton Brick Co., Box 394, Alton, 111. LAWRENCE. Howard O. (W) Industrial Ceramics Ltd. Cooksville. Ont.. Canada LAWRENCE, Ralph V. (RI) 926 Kenneth Rd., Glendale 2, Calif. (Gladding, McBean & Co.) LAWRENCE. Walter F., Jr. (LI) 153 Momingside Rd., Verona, N. J. (RCA Victor) LAWRENCE. Willis G. (BI) State University of New York. College of Ceramics. Alfred, N. Y. LAWSON, W. Branch (W) 647 N. Elm St., Erwin, Tenn. (Lawson Feldspar & Minerals) LAYDEN, George K,, Jr. Pennsylvania State University Box 23, Mineral Industries University Park, Pa. LAYNE. Fred A. (W) Louthan Mfg. Co., Box 781 East Liverpool, Ohio LAYSON, W. G., Jr. (L) 518 Sterling St., Chattanooga 5, Tenn. (American Lava Corp.) LAYTON, Donald R. (GI) R. R. 1, Dunns Station, Pa. (Continental Can Co., Hazel-Atlas Glass Div.) LAYTON, James H., Jr. (R) Pittsburgh Corning Corp. One Gateway Center Pittsburgh 22, Pa. LEAD INDUSTRIES ASSOCIATION (Robert L. Ziegfeld) 60 E. 42nd St. New York 17, N. Y. LEAKE, Fred, Jr. (M) Evans Lead Corp., Box 1467 Charleston 25, W. Va. LEANDER, Karl Johan AB Hoganasmetoder Hoganas, Sweden LEAVER, Stanley (R) 97 N. Buffalo Rd., Apt. 4 Orchard Park. N. Y. (Carborundum Co.) LEAYCRAFT, Edgar C. (L) 9 Kinry Rd.. Poughkeepsie. N. Y. (IBM Corp.) LE BELL, Rolf Casimir Pargas Kalkbergs Aktiebolag ABO Kakelfabrik Slottsgatan 52, ABO, Finland LEBERKNIGHT, C. E. (GF) Kopp Glass, Inc. Box 8255, Pittsburgh 18, Pa. LeBLANC, John R. 635 Broad St., Brockway, Pa. LEBRUN, Paul Ideal-Standard, S. A. Vilvorde, Belgium Le CLERCQ, L. J. (B) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. LEDDY, Robert M. (SI) Box 128, Hammonton, N. J. (Alliance Clay Product Co.) LEDLOW, Forrest L. (W) Aztec Ceramics, Inc., Box 337 San Antonio, Texas LEE CLAY PRODUCTS CO., INC. (Martin S. Bowne) Dearfield, Ky. LEE, Don W. 208 Pinehurst Rd., Fairfax W'ilmington 3, Del. LEE, Harley C. (RF) Basic, Inc., 845 Hanna Bldg. Cleveland 15, Ohio LEE, James A. (S) Southern Brick & Tile Mfgrs. Assn. 230 Spring St., N. W., Atlanta 3, Ga. LEE, P. William (BI) 205 Elmwood Blvd., York, Pa. (Dentist's Supply Co. of New York) LEE, Soon Shik Dae Han Chinaware Co., Ltd. 112, 2-Ka Bongnae-Dong Youngdo-Ku, Pusan. Korea LEEDS. Donald H. (RJI) 4908 Imlay Ave.. Culver City, Calif. (Douglas Aircraft Co.) LEFFORGE, John W. (B) 39 Highland Ave. Lynnfield Center. Mass. (Emerson & Cuming, Inc.) LEFORT, Henry G.. Jr. (I) 1903 Southwood Dr., Champaign, 111. LEGGETT, Hyman (B) 11023 Chimineas Ave. Northridge, Calif. (North American Aviation, Inc.) LE HERON, Harold Etablissements Porcher Usines de Revin, Ardennes, France LE1BIG, Edward C. (R) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. R oster 63 LEIBSON, J. S. (WI) Insulator Dept., General Electric Co. Charles & Cromwell Sts. Baltimore 3, Md. LEIPOLD, Martin H., Jr. '340 N- Los Robles #37 -Pasadena, Calif. , Craig F. 130th N. W., Seattle 7, Wash. , William B. (G) ___i Elm Ave., Muhlenberg Park Reading, Pa. (Western Electric Co.) LEITTEN, Carl F. (R) 50 Hawkins Ave., Hamburg, N. Y. (Electro Refractories Abrasives Corp.) LELL, Eberhard (B) Bausch & Lomb Optical Co. St. Paul St., Rochester 2, N. Y. LEMMERMAN, Paul C. (R) E. 1. du Pont de Nemours & Co., Inc. Grasselli Chemicals Dept. 1321 National City Bank Bldg. Cleveland 14, Ohio LiMUNYON, James S. (E) Tappan Co., 250 Wayne St. Mansfield, Ohio LENAS, Leandros North Carolina State College Riddick 113, Raleigh, N. C. LENCHNER, Theodore (DF) 5158 Beeler St., Pittsburgh 17. Pa. (Vitro Manufacturing Co.) LENIE, Camille A. (R) 1837 Jerauld Ave. Niagara Falls, N. Y. (Carborundum Co.) LENNON, A. G. (W) Canadian Potteries Ltd. 360 Blvd. du Sminaire S t Johns, Que., Canada . LENNON, John W. (WI) . Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio LENTZ, Clarence J. (R) ^flhm bec Iron & Titanium Corp. ^ ^ t 40, Sorel, Que., Canada LMK^RD, Jean (M) ' 96-24 Corona Ave., Corona 68, N. Y. . : (Jean Leonard Ceramics) LEOPOLD, Jean H. Leopold & Cie. Pfaffenhoffen, (Bas-Rin), France LEO-WOLF, A. L. (M) Carborundum Co., Globar Div. Niagara Falls, N. Y. LEPIE, Myron P. ; 18 Travis Dr., Chestnut Hill 67, Mass. LEPORE, Donald A. (XJ) 136 Bridge St., Roselle Park, N. J. LEPP, Jack M. (S) 1357 Nichols PI., Ashland, Ky. (Carlyle Tile Co.) LEPPER, A. E. (W) Shawnee Pottery Co. 2200 Linden Ave., Zanesville, Ohio LERMAN, Leon (BI) Sylvania Electric Products, Inc. Microwave Tube Lab. Mountain View, Calif. LESAR, Albert R. (RI) 509 Woodlawn, Mexico, Mo. (A. P. Green Fire Brick Co.) LESENSKY, Leonard (L) Raytheon Manufacturing Co. Foundrv Ave.. Waltham 54, Mass. LESLIE, Ernest R. (R) ' Norton Co., Worcester 6, Mass. LESSO. Harold F. (R) 631 Beechmont Dr. ' Dearborn Hills, Mich. (Great Lakes Steel Corp.) LESTER, Ronald H.' (LI) Garrison Blvd.( Baltimore IS, Md. .^ ^ ^ n s u la to r Dept., ^^BReneral Electric Co.) LESTER, W. Ronald (GF) /.; Emhart Manufacturing Co. iX; 333 Homestead Ave. | | | ^ Hartford 2, Conn. VOL. 37, No. 10 (1958) LESZL, Matthias "Smalteria e Metallurgies Venela" Cassano del Grappa, Italy LETORT, Marc Yves 'Centre National d'Etudes et Recherches Ceramiques 3 Avenue Paul Douaier Paris 16, France LETTER, Eugene C. (B) Bausch & Lomb Optical Co. Chemical Res. Lab. Rochester 2, N. Y. LEVENGOOD, William C. (G) Ball Brothers Cq., Inc., Muncie, Ind. LEVETT, Peter D. (L) Arnold Engineering Co., Marengo, 111. LEVI, Ormonde S. (G) Verd-A-Ray Corp. 615 Front St., Toledo 5, Ohio LEVIN, Ernest M. (BF) National Bureau of Standards Div. 9.3, Washington 25, D. C. LEVIN, I. (M) L & L Manufacturing Co. 136 Eighth St. Upland, Chester, Pa. LEVINE, Irving L. (M) 100 Elm Tree Lane, Syracuse 9, N. Y. (General Electric Co.) LEVINE, P. (RJ) Dow Chemical of Canada Ltd. Sarnia, Ont., Canada LEVY, Raymond H. (R) 5501 Lynview Ave., Baltimore 15, Md. (Martin Co.) LEWIS, Albert D. (G) Kimble Glass Co., Sub. Owens-Illinois Box 230, Vineland, N. J. LEWIS, Arthur E. (B) 527 San Ysidro Rd. Santa Barbara, Calif. (Aerophysics Development Corp.) LEWIS, George T. R. R. 1, Rushville, N. Y. LEWIS, Gordon (BJ) Box 253, Alfred, N. Y. LEWIS, Gordon E. (SI) Glen-Gery Shale Brick Corp. Box 86, Shillington, Pa. LEWIS, J. H. (G) Blue Ridge Glass Div., American-Saint Gobain Corp. Kingsport, Tenn. LEWTS, J. M. (W) Abingdon Potteries, Inc. 801 N. Main St., Abingdon, 111. LEWIS, John W,, Jr. (R) Dixie Fire Brick Co., Kimberly, Ala. LEWIS, William C. (G) Big Flats. N. Y. (Coming Glass Works) LIBBEY-OWENS-FORD GLASS CO. (George B. Watkins) 1701 E. Broadway Toledo 5, Ohio LIBERATORE, Laurence C. (G) Taylor Instrument Co. 95 Ames St., Rochester 1, N. Y. LIBERTY GLASS CO. (Frank P. Collins) Collins Bldg., Sapulpa, Okla. LICHT, Charles A. (R) U. S. Reduction Co. 4610 Melville Ave., East Chicago, Ind. LIED, Robert C. (R) Argonne National Lab. Box 299, Lemont, 111. LIEDER, Phillip H. (R) 2600 Dogwood Lane, Norristown, Pa (E. J. Lavino & Co.) LIEDERBACH, William H. (LI) 202 Prospect Ave., Pewaukee, Wise. (Centralab Div., Globe-Union Inc.) LIGON, Elmer R. (SI) W. S. Dickey Clay Mfg. Co. Box 402, Pittsburg, Kans. LILLIE, Howard R. (GF) 191 Delevan Ave., Coming, N. Y. (Coming Glass Works) LIM, Richard H. Y. Box 1039, Alfred, N. Y. LIMES, Robert W. (RFI) Republic Steel Corp. 6801 Brecksville Rd. Research Center, Cleveland 31, Ohio LIN, Francis C. M. (G) Westinghouse Electric Corp. Materials Engr. Dept., Ceramics Sect. 7325 Penn Ave., Pittsburgh 8, Pa. LINDEN, Carl H. (R) Selas Constructors, Inc. Box 7751, Houston 7, Texas LINDENTHAL, James R. (LJI) 4781 N. Lilly Rd., Brookfield, Wise. (Centralab Div., Globe-Union Inc.) LINDENTHAL, John W. (GI) Ohio State University Engineering Experiment Sta. Columbus 10, Ohio LINDGREN, James B. (L) Lind Corp. 1181 Hughes Dr., Trenton 90, N. J. LINDQUIST, C. Alan, Jr. (LI) Box 618, Conneaut, Ohio (Astatic Corp.) LINDROTH, Stig A. Svenska Ackumulator AB. Jungner Oskarshamn, Sweden LINDSAY, Carey E. (RI) Niles Fire Brick Div. Mexico Refractories Co. 165 E. Park Ave., Niles, Ohio LINDSAY, Charles E. (G) Carr-Lowrey Glass Co. Kloman & Wenburn Sts. Baltimore 30, Md. LINDSAY, J. Gordon (R) Aluminium Labs. Ltd. Arvida, Que., Canada LINDSEY, Ben S. (W) Milwhite Co., Inc. Box 15038, Houston 20, Texas LINKHORN, William H. (W) Ventura Dr., Danielson, Conn. (American Radiator & Standard Sanitary Corp.) LINNELL, Robert H. (B) University of Vermont Dept, of Chemistry, Burlington, Vt. LINSEIS, Max Selb/Bay Gerhard-Hauptmannweg 9, Germany (Consultant) LINTZ, E. H. (WFI) 16 Springhaven Rd., Wheeling, W. Va. (Wheeling Tile Co.) LINWOOD, Sidney H. (L) Stackpole Carbon Co., St. Marys, Pa. LINZ, Arthur (E) 551 Fifth Ave., New York 17, N. Y. (Consultant) LITHIUM CORP. OF AMERICA, INC. (Walter M. Fenton) 1100 Title Insurance Bldg. 400 Second Ave., S. Minneapolis 1, Minn. LITTLE, John M. (S) 1012 Woodland Ave., Winchester, Va. (Shenandoah Brick & Tile Co.) LITTLETON, Joseph C. (G) 231 Delevan Ave., Coming, N. Y. (Coming Glass Works) LITTLETON, J. T. (Honorary, GF) Coming Glass Works, Coming, N. Y. LIVOVICH, Andrew F. (R) 337 N. Virginia Ave., Hobart, Ind. (Universal Atlas Cement Co.) L & L MANUFACTURING CO. (I. Levin) 136 Eighth St. Upland, Chester, Pa. LLOYD, Katherine (R) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland, Calif. LO, Wing-Cheuk 89 Payson Lane, University Heights New Brunswick, N. J. LOBAUGH, Frank E. (RI) 1052 Sherman Ave., Plainfield, N. J (Universal Atlas Cement Co.) R oster 65 LOBDELL, Edward M. (G) . 2627 Gunckel Blvd., Toledo 6, Ohio 1 -(Owens-Illinois Technical Center) LOCHRIDGE, James F. (E) - Ferro Enamel de Mexico, S. A. '.450 Oriente 171, Mexico 14, D. F. ttZKE, Ralph S. (B) ^^H kam ond Springs Lime Co. ^^^B ox 409, Diamond Springs, Calif. OTEHRKE, Harry F. (G) 4234 Beverly Dr., Toledo, Ohio (Owens-Illinois Technical Center) LOGAN CLAY PRODUCTS CO. (Barton A. Holl) Box 698 Logan, Ohio LONDEREE, Joseph W., Jr. (B) Corning Glass Works Pilot Plant #2 Corning, N. Y. LONG, Bernard Glaces de Boussois 22, Boulevard Malesherbes Paris 8, France LONG, John V. (G) Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. LONG, Luther L. (G) Owens-Coming Fiberglas Corp. Case Ave., Newark, Ohio LONG, Robert, Sr. (E) American Porcelain Enamel Co. 1285 E. Keating Ave. Muskegon 36, Mich. LONG, Robert R. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. LONG. Russell E. (RT) American Encaustic Tiling Co. 1000 Cannon Ave.. Lansdale, Pa. LONGENECKER, Robert J. (MI) . 46 James Rd., Broomall, Pa. (Foote Mineral Co.) LONGFRITZ, Robert K. (RI) ^^C learfield Clay Products Co. J^^ feo x 748, Clearfield, Pa. ^ fc W E L L , Burton (E) t - ^^Ttepublic Steel Corp. * : 1420 Republic Bldg., Cleveland 1, Ohio LOOMIS, David G. (M) Loomis Engineering & Mfg. Co. R. R. 46, Caldwell, N. J. LOREY, Frederick D. (GI) One Pinewood Circle, Corning, N. Y. (Corning Glass Works) LOREY, G. Edwin (B) Dept, of Ceramic Engineering ` School of Mines & Metallurgy Rolla, Mo. LOSCO, Alfred G. (B) 15 Winters St.. Oakland, N. J. (National Bervllia Corp.) LOUDEN, R. H. (WI) McGean Chemical Co. Midland Bldg., 101 Prospect Ave. N. W. Cleveland 15, Ohio LOUGHRIDGE, Frederick A. (G) Pine St., Manchester, Mass. (Sylvania Electric Products, Inc.) LOUTHAN MANUFACTURING CO. (Fred A. Layne) Box 781 East Liverpool, Ohio LOVE, L. G. (G) National Lime & Stone Co. First National Bldg.. Findlay, Ohio Lo v e l a n d , Edward w. (M) 296 Knox Ave., Cliffside Park, N. J. (Fran-Stef Corp.) LOVELL, George H. B. Silwood Ceramics, Box 152 Bergvlei, Johannesburg, South Africa LOVENBACH, J. laceries de Saint Roch S. A. ', Av. R. Vandendriessche russels 15, Belgium ^LOVETTE, Paul V., Jr. (R) ' Corhart Refractories Co., Inc. ' 940 Commonwealth Bldg. Louisville 2, Ky. ,:?tvVO. L. 37, No. 10 (1958) LOWE, Earl C. (SI) Box 46, Logan, Ohio __ (Straitsville Brick Co.) LWE, Edwin C. (R) 405 Sarah St., Chippawa, Ont., Canada (Norton Co.) * LOWE, George K. (RI) Charles Taylor Sons Co. Heights-Rockefeller Bldg., Rm. 210 Mayfield at Lee, Cleveland 18, Ohio LOWE, William S. (R) A. P. Green Fire Brick Co. 1018 E. Breckenridge St., Mexico, Mo. LOWER, Clarence G. (S) New Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LOWER, David H. 153 E. Elm St., Hornell, N. Y. LOWER, Lloyd C. (S) 227 Washington St. New Bethlehem, Pa. (New Bethlehem Tile Co.) LOWER, Lloyd, Jr. (S) New Bethlehem Tile Co. New Bethlehem, Pa. LOWRANCE, Robert T. (W) Jackson Tile Manufacturing Co. Box 2006, Jackson, Miss. LUBALIN, Irwin (R) British Industries Corp. 80 Shore Rd., Port Washington, N. Y. LUCAS, Howard R. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio LUCAS, Joseph M. (W) 1431 Broad Blvd. Cuyahoga Falls, Ohio (U. S. Stoneware Co.) LUCEK, John R. (L) 51 Bushey Rd., Pittsfield, Mass. (General Electric Co.) LUCIER, Arthur E. 704 Runnymede Rd., Raleigh, N. C. LUDWIG, David W. (GI) Pittsburgh Plate Glass Co. One Gateway Center Pittsburgh 22, Pa. LUDWIG, Urban W. (G) 7901 Volk Dr., Dayton 15, Ohio (Univis Lens) LUEDERS, Roland (M) 3241 Bradford Rd. Cleveland Heights 18, Ohio (Ferro Corp.) LUHRS, Millen E. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio LUKS, Daniel W. (WI) Box 182, Frenchtown, N. J. ' (Frenchtown Po-celain Co.) LULL, Stanley E. (RI) 69C Court St., W'estfield, Mass. (Cortland Grinding Wheels Corp.) LUNAK, Thomas E. (LI) Globe-Union Inc., Centralab Div. 900 E. Keefe Ave., Milwaukee 1, Wise. LUND, H. Howard (S) 44 S. Elmwood Ave., Palatine, 111. (Armour Research Foundation) LUND. L. Howard (S) 254 South St., East Palestine, Ohio (Central Commercial Co.) LUND, Melvin S. (M) 2342 Ridgewood Ave., Alliance, Ohio (Vitro Manufacturing Co.) LUND. Randolph A. (RJ) 1717 W. 105th St., Chicago 43, 111. (United States Steel Corp.) LUSHER, Gerald H. (R) Norton Co., 5905 Pacific Blvd Huntington Park, Calif. LUX. John H. (R) Haveg Industries, Inc. 900 Greenbank Rd. Wilmington 8, Del. LYLE. Aaron K. (GF) 21 Cumberland Rd. West Hartford 7, Conn. (Emhart Manufacturing Co.) LYNAM, Thomas R. Oughtibridge Silica Firebrick Co. Ltd. Oughtibridge, Nr. Sheffield, England LYNCH, Eugene D. (BR; Argonne National Lab. Bldg. D-22, Box 299, Lemont, 111. LYNCH, James F. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio LYNCH, John F. (W) 210 Park, Elmhurst, 111. (Engineered Ceramics Mfg. Co.) LYNSAVAGE, Walter F. (G) 210 Arnold Ave., Port Allegany, Pa. (Pittsburgh Corning Corp.) LYON, John B. (S) Acme Brick Co., Denton, Texas LYON, Kenneth C. (GF) 357 E. Washington St., Dunkirk, Ind. (Ball Brothers Co., Inc.) LYON, Stuart R. (L) International Business Machines Corp. Plant 2, Dept. 586 Poughkeepsie, N. Y. LYONS, Clifford T. (W) 9825 Bowman Blvd., Dallas 20, Texas (Southwestern Talc Corp.) LYONS, Edward J. (R) Babcock & Wilcox Co. Box 923, Augusta, Ga. LYONS, S. C. (B) Georgia Kaolin Co. Dry Branch, Ga. LYTLE, Jack A. (LI) 308 E. Green Tree Rd. Milwaukee 17, Wise. (Allen-Bradley Co.) LYTLE, W. O. (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. LYTTLE, Frobisher T. (W) 1031 Findley Ave., Zanesville, Ohio (Mosaic Tile Co.) Me McADOO, D. Parker (W) J. M. Huber Corp. 100 Park Ave., New York 17, N. Y. McALLISTER, Christopher (GI) Box 281, Clarksburg, W. Va. (Pittsburgh Plate Glass Co.) McALPINE, Kenneth B. (G) General Electric Co., Large Lamp Dept. Incandescent Lamp Advance Engr. #436 Nela Park, Cleveland 12, Ohio McAULEY, James W. (G) 2334 Sherwood Rd., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) McBRAYER, Robert D. Box 4276, State College Sta. Raleigh, N. C. McBREEN, Kenneth L. (W) Box 1866, Richmond, Calif. (American--Standard) McBURNEY, John W. (SF) 1543 N. Falkland Ln. Silver Spring, Md. (Consultant) McBURNEY, William Cl (D) R. R. 5, New Castle, Pa. (Shenango China, Inc.) McCAIN, Kenneth B. (R) Wilbur B. Driver Co. 1875 McCarter Hwy., Newark 4, N. J. McCAMMON, James W. (M) Dept, of Mines, Parliament Bldgs. Victoria, B. C., Canada McCANN, D. M. (WI) Akron Porcelain Co.. Akron 14, Ohio McCANN, Sidney W. (E ll Pfaudler-Permutit, Inc. 1000 West Ave., Rochester 3, N. Y. McCa r t n e y , Eric r . University of New South Wales School of Chemical Engineering Box 1, Kensington, N. S. W., Australia R oster 67 McCARTT. Kenneth C. (W) 1408 Delaware Ave., New Castle, Pa. ' (Universal-Rundle Corp.) McCLAVE, James W. (SI) Box 508, Toronto, Ohio . (Peerless Clay Corp.) McCl e l l a n d , Roland h . (Li) ^flhGlobe-Union Inc., Centralab Div. ^ H o o E. Keefe Ave.,Milwaukee 12, Wise. ^ P L U R E , Lt. Clifton M. (R) ; AF Missile Development Center Box 762, Holloman AFB, N. M. McCOLLOM, Perry C. (RI) American Refractories & Crucible Corp., North Haven, Conn. McCONAUGHA, Wayne H. (S) Natco Corp., Box 1656 East Canton 30, Ohio McCo n n e l l , g . f . (W) Mosaic Tile Co., Zanesville, Ohio McCORMACK, James S. (R) Corning Glass Works Refractories Div. Corning, N. Y. McCORMACK, Kenneth J. (G) 717 Colima Dr., Toledo 9, Ohio (Owens-Illinois) McCORMICK, John M. (G) 1827 Richards Rd., Toledo 7, Ohio (Naniloa Corp.) McCORMICK, Stewart W. (BI) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. McCOY, Nelson (W) Nelson McCoy Pottery Co. Roseville, Ohio McCOY, NELSON, POTTERY CO. (Nelson McCoy) Roseville, Ohio ;McCREERY, C. Wayne (G) : 4818 Haddington Dr., Toledo 13, Ohio (Owens-Illinois) McCREERY, George L. (W) 393 Highland Ave., Wadsworth. Ohio : (Ohio Brass Co.) FREIGHT, Louis R. (R) General Electric Co. P&erosciences Lab., 3750 "D" St. Philadelphia 24, Pa. McCULLOUGH, James D. (R) Babcock & Wilcox Co. 161 E.'42nd St., New York 17, N. Y. McCUNE, Samuel E. (R) United States Steel Corp. Gary Works Res. Lab. 991, Gary. Ind. McDANEL, Donald W. (R) McDanel Refractory Porcelain Co. 510 Ninth Ave., Beaver Falls, Pa. McDANEL, Melvin W. (W) R.R. 2, Eastvale Rd. .i Beaver Falls, Pa. r (McDanel Refractory Porcelain Co.) McDANEL, Sumner W. (BJ) ; R. R. 2, Beaver Falls, Pa. ' (McDanel Refractory Porcelain Co.) McDERMOTT, James J,, Jr. (G) 136 William St., New York 38, N. Y. (Consultant) McDo n a l d , c . h . (S) ' " West Bros. Brick Co. , 6600 Sheriff Rd., N. E. Washington 27, D. C. McDo n a l d , e . f . (e d . Ingram-Richardson Mfg. Co. Beaver Falls, Pa. McDo n a l d , Howard A. (R) 12202 E. 19th Ave., Spokane 64, Wash. (Kaiser Aluminum & Chemical Corp.) McDOUGAL, Taine G. (WFI) r. 1117 South Dr., Flint 3, Mich. ; and Ha'penny House Somerset Bridge, Bermuda McDo u g a l l , ciayton s. (Lj) " ^Arnold Engineering Co. Box 6, Marengo, 111. OWALL, Ian C. New Zealand Pottery & Ceramics Research Assn. Private Bag Lower Hutt, New Zealand f o . 37, No. 10 (1958) McDOWELL, J. Spotts (RF) Webster Hall Hotel 4415 Fifth Ave., Pittsburgh 13, Pa. - (Harbison-Walker Refractories Co.) McDOWELL, Samuel J. (LFI) 52 Elm Ave., Metuchen, N. J. (American Lava Corp.) McELROY, R. H. (MI) International Clay Machinery Co. 1145 Bolander Ave., Dayton 1, Ohio McEVOY, Robert J. (RI) 2234 Berdan, Toledo 13, Ohio (Owens-Coming Fiberglas Corp.) McFa r l a n d , d .- h . (R) 227 Ridgewood Ave., Fairfield, Ala. (Tennessee Coal & Iron Div. United States Steel Corp.) McFARLAND, James E. (E) 14025 Greenbay Ave., Chicago 33, 111. (Inland Steel Co.) McGEAN, Ralph L. (E) Midland Bldg., 101 Prospect Ave., N.W. Cleveland 15, Ohio (McGean Chemical Co.) McGEE, Thomas D. (Bl) Iowa State College Ceramic Engineering Dept., Ames, Iowa McGi n n i s , r . a . (L) American Lava Corp. Cherokee Blvd. & Mfgrs. Rd. Chattanooga 5, Tenn. McGOHAN, G. William (E) Armco Steel Corp., Middletown, Ohio McGOLPIN, William C. (S) Rm. 403, 57 Bloor St., W. Toronto 5, Ont., Canada (Natco Clay Products, Ltd.) McGOWAN, John P. (B) Northwestern University Technological Institute Library Evanston, 111. McGRAW, Delford A. (G) 4117 Graceway, Toledo 6, Ohio (Owens-Illinois) McGREGOR, Frederick B. (M) Great Lakes Foundry Sand Co. 1217 Francis Palms Bldg. Detroit 1, Mich. McGREGOR, Jimmie R. 1604 N. W. Third Ave. Mineral Wells, Texas McHOSE, Donald G. (M) Such Clay Co., Box 47 Perth Amboy, N. J. McHOSE, M. M., Jr. (M) Such Clay Co., Box 47 Perth Amboy, N. J. McILWAIN, Eugene M. (R) 3513 Huon Dr., Louisville 18, Ky. (Corhart Refractories Co.) McINTOSH, C. M. (L) Radio Materials Corp. 3325 N. California Ave. Chicago 18, 111. McINTOSH, Harold W. (G) American-Saint Gobain Corp. 2000 Farmers Bank Bldg. Pittsburgh 22, Pa. McINTYRE, G. H. (EFI) National Spectrographic Labs., Inc. 6300 Euclid Ave., Cleveland 3, Ohio McKAIG, W. Wallace (R) Cumberland Steel Co. Box 28, Cumberland, Md. McKANE, John W. (R) 257 Chesterfield Ave. Glen Ellyn, 111. (Foremost Foundry Supply Co.) McKEAND, Irvin J. (LI) Minneapolis-Honeywell Regulator Co. Research Center 500 Washington Ave. S. Hopkins, Minn. McKEE, William D., Jr. (B) 365 N. Fifth St., Lewiston, N. Y. (Carborundum Co.) McKEEN, Richard D. (LI) Sweet Hill Rd., Plaistow, N. H. (Western Electric Co.) McKENNA, John F. (G) 16 Monmouth Ct., Livingston, N. J. (Radio Corp. of America) McKEOWN, J. Duncan (R) 1104 Clearbrook Dr. Cincinnati 29, Ohio (Carborundum Co.) McKINLEY, Robert F. Box 295, Alfred, N. Y. McKINNEY, Harold G. 750 Fowler St., N. W., Atlanta, Ga. McKINNIE, J. R. (R) Dyna-Therm Chemical Corp. 3813 Hoke Ave., Culver City, Calif. McKINNIS, Charles L. (GI) Owens-Coming Fiberglas Corp. Glass Res. Lab., Newark, Ohio McKOWN, John G. (R) Aluminum Co. of America 1145 Wilshire Blvd. Los Angeles 17, Calif. McKULLA, George W., Jr. 1720 Beverlv Ave., McLean, Va. McLACHLAN, Eugene K. (R) 462 Southmont Blvd., Johnstown, Pa. (Bethlehem Steel Co.) McLAIN WORKS, REFR. DIV. H. K. PORTER CO., INC. (Lawson E. Mason) Wellsville, Ohio McLa r e n , Henry D. (E) Ferro Enamels (Canada) Ltd. Box 37, Oakville, Ont., Canada McLa r e n , John (M) Box 75, East Liverpool, Ohio (Bell Research Labs.) McLa r e n , Malcolm G. (R) Paper Makers Importing Co. 44 S. Second St., Easton, Pa. McLa u g h l in , John l . (E) 564 S. Craig PL, Lombard, 111. (Allied Porcenell Inc.) McLa u ghlin , Joseph k. (wi) Red Wing Potteries, Inc. Red W'ing, Minn. McLa u g h l in , William h . (R) Alsey Brick & Tile Co., Alsey, 111. McLEAN, William E. (L) Electra Manufacturing Co. 800 N. 21st, Independence, Kans. McMAHON, John F. (XFI) Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) McMAHON, John F,, Jr. (GI) 645 S. Cannon Ave., Lansdale, Pa. (Lansdale Tube Co.) McMAHON, William R. R. R. 3, Manchester, Iowa McMASTER, Harold A. (G) Permaglass, Inc., 215 W. Main St. Box 141, Woodville, Ohio McMICHAEL, Robert G. (L) Robertshaw-Fulton Controls Co. Eastern Research Center 2920 N. Fourth St. ' Philadelphia 33, Pa. McMULLEN, John C. (R) 9325 Rivershore Dr. Niagara Falls, N. Y. (Carborundum Co.) McMURDIE, Howard F. (BF) National Bureau of Standards Washington 25. D. C. McMURTRY, Carl H. (RI) 1324 South Ave., Niagara Falls, N. Y. (Carborundum Co.) McNALLY, Robert N. (R) Corning Glass Works Fused Ceramic Research Div. Corning, N. Y. McNa m a r a , e . p . (w f i ) 73 Ritchie Ave., Cincinnati 15, Ohio (Cambridge Tile Mfg. Co.) McNAMARA, Edward P,, Jr. (I) Box 907, Alfred, N. Y. McNAMARA, Richard B. (R) 1 Allendale Ct., Buffalo 15, N. Y. (Electro Refractories & Abrasives Corp.) R oster 69 I I'.. McNAUGHTON, Ronald R. (R) Central Technical Library Consolidated Mining & Smelting Co. of Canada, Ltd., Trail, B. C., Canada McQUARRIE, Malcolm C. (B) 124 E. Lytle Ave., State College, Pa. ^^^ennsylvania State University) I ^ B C H I E , Frank H. (R) ^ ^ ^ H lo n Institute, 4400 Fifth Ave. ^^lttsburgh, Pa. McRORY, Glenn L. (M) New Jersey Zinc Co. 1007 National City Bank Bldg. Cleveland 14, Ohio McTAGGART, G. Don (R) Corning Glass Works, Corning, N. Y. McVAY, T. N. (BFI) 10 Oakwood Court, Tuscaloosa, Ala. (U. S. Bureau of Mines) McWTLLIAMS. Robert J. (El) Pfaudler-Permutit. Inc. Elyria Plant, Taylor St. Elyria, Ohio M MacALPINE, William M. (G) 3S7 E. Main St., Somerville, N. J. (Johns-Manville Research Laboratory) MacAVOY, Thomas C. (G) 164 E. Fourth St., Corning, N. Y. (Corning Glass Works) MACCALOUS, Joseph W. 4855 University Ct. Niagara Falls, N. Y. MacDONALD, R. W. (WI) Florida Tile Industries, Inc. Box 451, Lakeland, Fla. MacDOXELL. Herbert L. (G) Corning Glass Works, Corning, X. Y. MACER, Ed (M) Carborundum Co., Refractories Div. Globar Plant, Xiagara Falls, X. Y. MacFARLANE, Edward K. ^ ^ 8 2 9 Seventh Ave., Pueblo, Colo. ^ H B B O N , Richard G. Stein & Co., Ltd. ^^Tanuel Works Nr. Linlithgow, Scotland MACHLAN, G. R. (G) Owens-Coraing Fiberglas Corp. Newark, Ohio MacIXTYRE, Donald J. (W) Roanoke Rd., R. D., Stafford, N. Y. (Lapp Insulator Co., Inc.) MACKASEK, Edward (EF) 1722 19th St., N. W., Apt. 702 Washington 9, D. C. (Porcelain Enamel Institute) MACKENZIE, James . United Steel Companies Ltd. . Research & Development Dept. Swinden House, Moorgate Rotherham, England MACKLIN CO. (Richard O. Lane) 2917 Wildwood Ave., Jackson, Mich. MacLEOD, John United Fireclay Products, Ltd. 140 W. George St. Glasgow, C. 2., Scotland MacNEIL, S. Ambrose . Demerara Bauxite Co., Ltd. Mackenzie, British Guiana MacRAE, Alexander J. (M) Bowers Battery & Spark Plug Co. Box 1262, Reading, Pa. MacRAE, John (G) Fiberglas Canada Ltd. Box 309, Guelph, Ont., Canada Ma c ZURA, George (L) 3815 Highland Rd. East St. Louis, 111. JAlcoa Research Labs.) j>EN, Robert C. (B) f5 Pirn St. _ aalt Ste. Marie, Ont., Canada ^-(Algoma Steel Corp., Ltd.) MADDOCK, A. M. (W) R. R,, Washington Crossing, N. J. "(American--Standard) MADSEN, Leif Egil Box 4208, Sandakervn 109/1II Oslo, Norway ~ (A/S Den Norske Slipeskivefabr.) MAGAZINE, Arnold `L. (L) CBS-Hytron Corp. . 100 Endicott St., Danvers, Mass. MAGID, H. S. (WI) American--Standard Box 907, Trenton 5, X. J. MAGLIOCCA, Theresa S. (G) Corning Glass Works, Corning, X. Y. MAGNUSON, V. E.. (M) Western Feldspar Milling Co. Box 671, Salida, Colo. MAGOR, James K. (E) United States Steel Corp. Applied Res. Lab., Monroeville, Pa. MAGUIRE, Edward A., Jr. (I) 1335 E. Price St., Philadelphia 38, Pa. MAGUIRE, Samuel G.; Jr. (B) United Clay Mines Corp. 101 Oakland St., Trenton 6, N. J. MAHONEY, David L. (RJ) 576 Burncoat St., Worcester, Mass. (Norton Co.) MAHOXEY, Frank B. (E) Richmond Plumbing Fixtures Div. Rheem Manufacturing Co. Box 111, Metuchen, X. J. MA1TRA. Pranab K. North Carolina State College Engr. Experiment Station Lab. 124 Riddick, Raleigh, X. C. MAJESKE, Joseph (G) T. C. Wheaton Co., Millville, N. J. MAJUMDAR. A. J. (B) National Bureau of Standards Washington, D. C. MALM, Arthur T. (RI) 233 Beverly Rd., Worcester 5, Mass. (Norton Co.) MALONEY. William F. (R) United States Steel Corp. Edgar Thomson Works, Braddock, Pa. MALOOTIAN. Markay H. (B) Dunbar Rd.. Quaker Hill, Conn. (U.S.N. Underwater Sound Lab.) MALVERN BRICK & TILE CO. (George B. Eyerly) Box 415, Malvern, Ark. MALYSIAK, Chester (G) Owens-Illinois. Libbey Div. Box 919, Toledo 1, Ohio MANDEL, Charles J. (WI) Willette Corp. of New Jersey Codwise Ave. & Reed St. New Brunswick, N. J. MAXDLE, Richard M. (M) Davison Chemical Co. Box 488, Pompton Plains, N. J. MANIGAULT, Edward L., Jr. 1409 Peacock Lane, Fairmont, W'. Va. MANN, George H. (G1 Lake Salubria, Bath. N. Y. (Coming Glass Works') MANNING, R. Douglas (D) Harker Pottery Co. East Liverpool, Ohio MANOUSEK, Miloslav Delnicka 27 Praha VII, Czechoslovakia MANRING, William H. (G) Calumite Co., Box 15J Hamilton, Ohio MANSFIELD SANITARY, INC. (Perrv E. Draper) Perrysville, Ohio MANUFACTURERS EQUIPMENT CO. (J. H. Sachs) 218 Madeira Ave., Dayton 4, Ohio MANZ, Oscar E. (B) Box 516. University Station Grand Forks, N. D. (Universitv of North Dakota) MARCANO, Cnel J. Industria Venezolana de Vidrios Pianos C. A. Av. Libertador 118 (Calle La Linea) Las Delicias, Sabana Grande Caracas, Venezuela K . 37, No. 10 (1958) MARCH, Joseph W. (S) Nova Scotia Technical College Halifax, N. S., Canada MARCUS, Leon (LI) 5A Onondaga Pkv. Apts. ^ Liverpool Rd., Liverpool, N. Y. (General Electric Co.) MARCYN, Chester A. (L) 2302 S. Kensington Ave. Westchester, 111. (Kawecki Chemical Co.) MARGOLIS, David (R) 39 Glenwood Ave., New Rochelle, N. V (Fish-Schurman Corp.) MARGRAVE, John L. (B) University of Wisconsin Dept, of Chemistry, Madison 6, Wise. MARK, Stanley D., Jr. (R) 1592 Love Rd., Grand Island, N. Y. (Carborundum Co.) MARKHAM, J. Thomas (RJ) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. MARLOW. James A. (W) Canadian Potteries Ltd., Box 180 New Westminster, B. C., Canada MAROXEY. Dorothy M. 11 Wilmin Ct.. Poughkeepsie, N. Y. MARQUIS, John E. (W) Pemco Corp., Res. & Dev. Lab. 5601 Eastern Ave., Baltimore 24, Md. MARSHALL. Claude L. (RJ) Haynes Stellite Co. Div. Union Carbide Corp. 420 Lexington Ave.. Rm. 2840 New York 17. X Y. MARSHALL. Leslie H. (R) L. H. Marshall Co. Box 4857, Sta. B. Columbus 2, Ohio MARTIN, Albert E. (M) Almar Specialty Machines Ltd. Maple, Ont., Canada MARTIN. Clyde (W) Clay-Burn Tile Co. Box 618, Palestine, Texas MARTIN, Francis W. (G) 101 Hornby Dr.. Painted Post, N. Y. (Coming Glass W'orks) MARTIN, George A. (W) 525 W. Third Ave., Derry. Pa. (Westinghouse Electric Corp.) MARTIN. James K. (X) Posey Iron Works, Inc. Brick Machinery & Mixer Div. Lancaster, Pa. MARTIN, John R.. Jr. (W) Monongahela Power Co. 920 Charles St., Wellshurg, W. Va. MARTIN, Lang C, Sr. (S) Martin Brick Co. Box 794, Coleman, Texas MARTIN, Leonard A. (W) Martin Ceramic Supply Co. 8901 Rainier Ave.. Seattle 8, Wash. MARTIN, Ralph H. (WI) 9221 La Reina, Downey, Calif. MARTIN, Wesley G. (EF) 6054 N. Kent Ave. Milwaukee 17, Wise. (A. O. Smith Corp.) MARTINO, Paul D. (SJ) Cannelton Sewer Pipe Co. Cannelton, Ind. MARTINSEN, Rodney E. (M) Timken Roller Bearing Co. 1835 Dueber Ave., S. W. Canton 6, Ohio MARTZ. Joseph A. (R) 112 S. Grove St., East Aurora, N. Y. (McLain Works. Refr. Div. H. K. Porter Company, Inc.) MARVEL, Irvin L. (R) Johns-Manville Corp. 742 Miners Bank Bldg. Wilkes-Barre, Pa. MARVIN, Charles G. Box 193, Fillmore, N. Y. MARX, Le Roy J. (S) Denver Terra Cotta Co. 135 Tejon St., Denver 23, Colo. R oster 71 RYLAND CLASS CORP. C. Roche) 2147 Wicomico St. 8more 30, Md. .-.'ILL, William' ' ebb Corbett, Ltd. `. oalboumhill Glass Works fridge, Worcester, England Cecil R., Jr. (R) Indonberry Rd., N. W. 5, Ga. a Institute of Technology) , ITY BRICK & TILE CO. . Garland) Mason City, Iowa N COLOR & CHEMICAL WORKS, INC. (Ronald K. Mason) 206-214 Broadway, Box 76 East Liverpool, Ohio SON, Frank (W) Thomas Works Delta-Star Electric Div. H. K. Porter Co., Lisbon, Ohio SON, Lawson E. (R) McLain Works, Refr. Div. H. K. Porter Co., Inc. Wellsville, Ohio SON, Ronald K. (M) Mason Color & Chemical Works, Inc. 206--214 Broadway, Box 76 East Liverpool, Ohio SSENGALE, Gordon B. (RI) 3088 Charlotte Dr. Baton Rouge 5, La. (Harbison- Walker Refractories Co.) SSON, R. Porzellanfabrik Langenthal A. G. '' ngenthal, Switzerland -T,*RS, John R. (G) Westinghouse Electric Corp. '-oult Rd., Fairmont, W. Va. i CHULAT, John G. (R) Buffalo Rd., R.R. 2 East Aurora, N. Y. (Electro Refractories & ves Corp.) [YK, John F. (E) revanion Ave., Pittsburgh 18, Pa. (O. Hommel Co.) TERIALI REFRATTARI SOC. p-AZIONI (J. Charles Mathon) Via Elia Lombardini 13 Milano 744, Italy THENY, Richard E. (S) 1010 Valley Rd., Jasper, Ala. (Natco Corp.) * THER, Mrs. Katharine (B) Waterways Experiment Sta. Drawer 2131, Jackson, Miss. THIAS, Simao Rua Fernandes Borges 544 (Vila Paulista), Sao Paulo, Brazil (Keralux, S. A.) THIASEN, O. E. (S) Federal Seaboard Terra Cotta Corp. Box 301, Perth Amboy, N. J. THIESON, George W. (G) 2253 Castlewood Dr., Toledo 13, Ohio (Kimble Glass Co.) THIESON, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave., New York 20, N. Y. THIEU, Louis A. Parra Mantois, 11 Cbemin de Ronde Le Vesinet (S&O) France THON, J. Charles Materiali Refrattari Soc. p.Azioni Via Elia Lombardini 13 Milano 744, Italy TSON, Frederick R. (GI) 723 Jackson St., State College, Pa. (Pennsylvania State University) Michael ~W. 43rd, Apt. 404 T 5, Wash. TTESON, Gilbert D. (W) Engineering Library Scintilla Div., Bendix Aviation Corp. Sidney, N. Y. 37, No. 10 (1958) MATTHEWS, Samuel (R) Dept, of Mines & Technical Surveys Industrial Minerals Div. 40'Lydia St., Ottawa, Ont., Canada MATTIMOE, Paul T. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MATTISON, William F,, Jr. (Gl) R.R. 3, Lawson Dr., Madison, Conn. (Libbey-Owens-Ford Glass Co.) MATTYASOVSZKY-ZSOLNAY, Laszlo Porzellanfabrik Frauenthal Frauenthal/Lassnitz Weststeiermark, Austria MAU, K. T. (S) Gaspro, Box 2454, Honolulu, Hawaii MAUPIN, Addison (RI) 823 Lexington Ave. Terrace Park, Ohio (Chas. Taylor Sons Co.) MAURER, James A. (E) 5519 N. Lake Dr., Milwaukee 11, Wise. MAURER, Robert D. (G) Corning Glass Works, Corning, N. Y. MAUSER, H. W. Spoorsingel 68, Delft, Holland (Royal Delftware Manufactory) MAVOR, Wilfrid (E) Ferro Enamels (Canada) Ltd. Oakville, Ont., Canada MAXWELL, Laurel H. (L) Diamond Ordnance Fuze Lab. 53.2 Bldg. 92, Rm. 351, Washington, D. C. MAY, John E. (B) General Electric Research Lab. The Knolls, Schenectady, N. Y. MAY. L. F. (S) . Standard Ultramarine & Color Co. Huntington 18, W. Va. MAYBERRY, Marshall L. (G) 151 W. Fourth Ave., Tarentum, Pa. (Pittsburgh Plate Glass Co.) MAYER, Walter S. (W) Mayer China Co. Box 561, Beaver Falls, Pa. MAYFIELD, Manville J. (LI) 2516 Avalon Circle Chattanooga 5, Tenn. (American Lava Corp.) MAYNARD, Frederick H. (G) Corning Glass Works 1 Jackson St., Wellsboro, Pa. MAYS, George A. (S) Box 68, Niles, Calif. (California Pottery Co.) MEDERT, Warren C. (GI) 5320 Melvin Dr., Toledo 14, Ohio (Owens-Illinois) MEEKA, Edward (SI) 416 S. 38th St., Richmond, Calif. (California Ceramic & Quarry Tile Co.) MEGLES. John E., Jr. (G) 153 Dodge Ave., Corning, N. Y. (Corning Glass Works) MEID, William J. (M) R. R. 1, Bartlett, 111. (Lindberg Engineering Co.) MEILING, Gerald S. 1128 Lorraine Dr. Salt Lake City, Utah MEINDL, Joseph J. 227 Cayuga, Elmhurst, 111. ME1NKEN, Robert H. (L) 29 Myrtle Ave. North Plainfield, N. J. (Bell Telephone Labs.) MEIRESONNE, Arthur C. (G) 700 Village Dr., Columbus 14, Ohio (Kimble Glass Co.) MELLERE, Carlo Istituto Siderurgico Finsider Corso F. M. Perrone 21 Genova-Cornigliano, Italy MELOY, C. L. (RI) Res. Dept., Rm. A406 Bethlehem Steel Co., Bethlehem, Pa. MENG, Edwin R. (R) Davis Fire Brick Co., Oak Hill, Ohio MENGSHOL, Clarence O- (E) American Radiator & Standard Sanitary Corp. 1089 Essex St., Richmond, Calif. MENNIE, Alan J. (LJ) 2222 Carmelita Ave., San Carlos, Calif. (Thermo Materials, Inc.) MERBLER, Wallace (G) 56 W. Corydon St., Bradford, Pa. (Corning Glass Works) MERCK, Walter J. (RI) Cedar Swamp Rd. Glen Head, L. I., N. Y. (HiTemp Wires, Inc.) MEREDITH, Edward J. (RI) Box 1031, Richmond 8. Va. (Universal Atlas Cement Co.) MEREDITH, Neil F. (RI) Box 281G, R.R. 2, Tiffin, Ohio (Basic, Inc.) MERIWETHER, B. Corbin (W) Deena Products Co., Arlington, Ky. MERKLE, F. Peter (G) M. H. Detrick Co. 10600 Puritan Ave., Detroit 38, Mich. MERRIAM, Jack G. (LI) 727 N. Wildwood, Mundelein, 111. (Titanium Alloy Mfg. Div., National Lead Co.) MERRIMAN, Seth G. (G) 2722 Lincolnshire Blvd. Toledo 6, Ohio ( Owens-Illinois) MERRITT, Clarence W. (WFI) Box 464, Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) MERRY, E. B., Jr. (SI) Merry Bros. Brick & Tile Co. 415 Masonic Bldg., Augusta, Ga. MERRY, W. H. (E) Commercial Enameling Co. 6204 S. Alameda St. Los Angeles 1, Calif. MERWIN, Byron W. (W) Parkway Rd., R. R. 2 East Liverpool, Ohio (Hall China Co.) MERZ, Kenneth M. (L) Lower Mountain Rd., Lockport, N. Y. (Carborundum Co.) MESICK, Jack H. (M) Combustion Engineering, Inc. 911 W. Main St., Chattanooga, Tenn. MESSIER, Donald R. Box 1375, Alfred, N. Y. MESSIER, Thomas P. Box 1296, Alfred, N. Y. MESSIMER, Laverne A. (GI) Holophane Co., Newark, Ohio METAL & THERMIT CORP. (George C. Betz) 100 Park Ave. New York 17. N. Y. METZ, G. F. (M) 816 Cypress Rd., Vero Beach, Fla. (Consulting Engineer) METZ, Gilbert F,, Jr. (G) 5900 Babcock Blvd., Apt. 39 Pittsburgh 37, Pa. (Pittsburgh Plate Glass Co.) METZGER, A. J. (RFI) Dept, of Ceramic Engineering Virginia Polytechnic Institute Blacksburg, Va. METZGER, H. C. (M) E. E. Zimmerman Co. 1704 Keenan Bldg., Pittsburgh 22, Pa. MEULI, William P. 840 Wedgewood, Apt. 10 Columbus 4, Ohio MEXICO REFRACTORIES CO. (C. A. Smith) Better Refractories Bldg. Mexico, Mo. MEYER, George W., Jr. (G) Glenshaw Glass Co., Inc. Glenshaw, Pa. MEYER, G. Robert (G) 313 Daniels St., Toledo 9, Ohio (Libbey-Owens-Ford Glass Co.) R oster 73 Il EVER, L. S. (S) ' Hydraulic-Press Brick Co. 705 Olive St., St. Louis 1, Mo. IlYER, William W. (W) 6911 General Duff Dr. 'Falls Church, Va. S. Tariff Commission) HOFER, E. A. -erhofer & Co., Forchstrasse 2 nrich 32, Switzerland MYER-SCHOLER, Hans Carl Spitteierstrasse 1 Liestal, Switzerland (Tonwerk Lausen AG) MEYSEL, John J. Refracton Ltd. Zrich 2 Genferstrasse, Zurich, Switzerland MICHAEL, Frank L. (EU 319 Norbourne Blvd., St. Matthews Louisville 7, Ky. (General Electric Co.) MICHAEL. Harold J. (E) 4020 Virginia Circle Columbus 13, Ohio (North American Aviation, Inc.) MICHEL, Howard (E) Porcelain Enamel, Inc. 80 S. Dover, Denver IS, Colo. MICHEL, S. Etablissements G. Devineau 26, rue Lafayette, Paris 9, France M1CHELOTTI, Joseph E. (E l) Box 283. New Kensington, Pa. (Pittsburgh Plate Glass Co.) MICHENER, John William (G) Research Laboratory , Owens-Coming Fiberglas Corp. Newark, Ohio KICKWITZ, Alexander von (B) i.. 701 Main St., Latrobe, Pa. (Carborundum Co.) MIDDLESWARTH, Earl T. (G) . 7 Moody St., "Amesbury, Mass. . (CBS-Hytron) MIBLETON, George J. (M) Butcher Co. '8 E. Olympic Blvd. Angeles 23, Calif. MIDGETTE, Willard B. (M) >. Eagle-Picher Co., Chemical Div. r ' 1501 Oliver Bldg., Pittsburgh 22, Pa. MIKE, Thomas M. (G) ' Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio MIKLOUCICH, Frank (S) Huntsville Brick & Tile Co., Inc. Box 53, Huntsville, Ala. MILAN I, Helio (M) 1407 Spring Rd., Cleveland 9, Ohio (Ferret Corp.) MILDWOFF, Ben (G) Bent Glass Works, Inc. 85-25 126th St., Jamaica 15, N. Y. MILLAR, N. S. C. Frit Factory Radiation Group Sales Ltd., Grappenhal Works Warrington, Lancs., England MILLER, Alan D. 542 E. 83rd St., Seattle, Wash. Mi l l e r . Alan r . 3782 Mt. Acadia Blvd. San Diego 11, Calif. MILLER, Ben K. (R) Miller Mining Co., Box 6, Mexico, Mo. MILLER, B. L. (W) Royal China, Inc., Sebring, Ohio MILLER, Boyd C. (S) Miller Equipment Co. Box 1566, Salisbury, N. C. MILLER,. Edmund H. (WI) oastal Tiles, Inc. x 277, Woodville, Texas R. E. R. (W) ashington Porcelain Co. ' Willow St., Washington, N. J. Mil l e r , Grant e . (e u Ferro Corp., 4150 E. 56th St. fUi Cleveland 5, Ohio ' | o l . 37, No. 10 (1958) 5\ MILLER, Harold (El) 5736 N. Talman Ave., Chicago 45, 111. (Ohmite Mfg. Co.) MILLER, Harold D. (M) 189 Circle Dr., Plandome Manor Long Island, N. Y. . (B. F. Drakenfeld & Co., Inc.) MILLER, Henry E. (R) Chicago Wheel & Mfg. Co. 1101 W. Monroe St., Chicago 49, 111. MILLER, Howard L. (GI) Libbey-Owens-Ford Glass Co. Box 4278, Charleston, W. Va. MILLER, James L. (R) 131 Peach St., Park Forest, 111. (Norton Co.) MILLER, John B. (MI) Third St., Lewiston, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) MILLER, John W. (W) New Castle Refractories Co. New Castle, Pa. MILLER, Karl H. (WJ) Robertson Mfg. Co.. Morrisville. Pa. MILLER, Kenneth W. (RJ) Brush Beryllium Co. 4301 Perkins Ave., Cleveland 3. Ohio MILLER, Lt. Marlin, Jr. (RJ) 02283709, Hdq. NACOM-- Finance & Acct. APO 757, New York, N. Y. MILLER, Ralph E. (G) 365 Glen Ave., Elmira, N. Y. (Corning Glass Works) MILLER, Ray R. (S) J. A. Miller Tile Co. Box 6, Bascom, Ohio MILLER, Richard C. (R) Libbey-Ow-ens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MILLER, Robert A. (GF) 1211 Carlisle St. Natrona Heights, Pa. (Pittsburgh Plate Glass Co.) MILLER, R. W. (G) Columbia-Southern Chemical Corp. One Gateway Center, Pittsburgh 22, Pa. MILLER, Vincent P. (M) Miller Pottery Engineering Co. 2300 Palmer St. Swissvale, Pittsburgh 18, Pa. MILLER, W. D. (G) Owens-Illinois, Box 1019 Oakland 4, Calif. MILLER, William A.*(R) Carborundum Co., Falconer, N. Y. MILLER, Ens. William A. U. S. Naval Ordnance Test Station BOQ-A, China Lake, Calif. MILLI CAN, Kenneth L. (R) Aluminum Co. of America 230 Park Ave., New York 17, N. Y. MILLIGAN, Chester E. (R) Electro Refractories & Abrasives Corp. 4814 Loma Vista Ave. Los Angeles, Calif. MILLIGAN, Lowell H. (B) Norton Company, One New Bond St. Worcester 6, Mass. MILLIKEN, Edward C. (SI) 444 W. North Ave. East Palestine, Ohio (Natco Corp.) MILLIKEN, Frank H. (S) Bowerston Shale Co.. Bowerston, Ohio MILLIKEN, John H. (S) 925 E. Lincoln Way, Minerva, Ohio (Stark Ceramics, Inc.) MILLIKEN, William M. Cleveland Museum of Art 11150 East Blvd., Cleveland 6, Ohio MILLIKEN, William U. (SJ) Box 23, Bowerston, Ohio (Bowerston Shale Co.) MILLMAN, Nathan (M) J. M. Huber Corp., Huber, Ga. MILLS, G. Alexander (B) Houdry Process Corp., Box 427 Marcus Hook, Pa. MILLS, R. Gerald (B) General Electric Co. Vallecitos Atomic Lab. Box 846, Pleasanton, Calif. MILTON BRICK CO., LTD. (D. T. Green) Box 554 Milton, Ont., Canada MILTON, H. C. (M) American Cyanamid Co. 30 Rockefeller Plaza, New York, N. Y. MINARD, Richard A. (B) Brookfield Engineering Labs., Inc. 240 Cushing St., Stoughton, Mass. MINER, Reginald R. (R) 215 Woodbridge Ave., Metuchen, N. J. (Carborundum Co.) MINK, John D. (G) R. R. 2, Dunkirk, Ind. (Armstrong Cork Co.) M1NNICK, L. John (R) 306 Boyer Rd., Cheltenham, Pa. (G. fc-W. H. Corson) MINSHA.L, John B. (R) Kaiser Aluminum & Chemical'Sales, Inc. 1924 Broadw ay, O akland 12, Calif. MINTON, G. Z. (GI) Pittsburgh Plate Glass Co. Research Lab.. Creighton, Pa. MISCERAMIC TILE (R. E. Hormberg) Box 1070, Cleveland, Miss. MISSBACH, George E. (M) Morehouse Cowles, Inc. 707 Henry Grady Bldg., Atlanta, Ga. MISSISSIPPI GLASS CO. (Charles J. Youngblood, Jr.) 88 Angelica St., St. Louis 7, Mo. MITCHELL, John F. Pennant Hotel, Rolla, Mo. MITCHELL, Une (BFI) School of Ceramic Engineering Georgia Institute of Technology Atlanta 13, Ga. MITCHELL, Russell G. (W) R. R. 1, Dutch Ridge Rd. Beaver, Pa. (McDanel Refractory Porcelain Co.) MITOFF, Stephan P. (B) General Electric Co., Res. U b. Metallurgy & Ceramics Dept. Box 1088, Schenectady, N. Y. MITRA, H. K. (I) 24, Circuit House Area Jamshedpur, S. E. RIy., India (Tata Iron & Steel Co. Ltd.) MIXER, William G., Jr. (X) 315 W. Lima St., Findlay, Ohio MIZUHARA, Howard 1736 Laguna St. San Francisco 15, Calif. MOCHEL, Mrs. Ellen Lunn (G) Corning Glass Works, Corning, N. Y. MOCHEL, John M. (L) 21 Hillcrest Dr., Painted Post, N. Y. (Corning Glass Works) MOCKRIN, Isadore (B) Pennsalt Chemicals Corp. Research & Development Div. Box 4388, Chestnut Hill P. O. Philadelphia 18, Pa. MOEBUS, C. R. (M) United Clay Mines Corp. 101 Oakland St., Trenton, N. J. MOFFAT, John, Jr. (R) 12255 Miranda St. North Hollywood, Calif. (Gladding, McBean & Co.) MOFFETT, Robert A. (RI) North American Refractories Co. 1012 National City E. 6th Bicg. Cleveland 14, Ohio MOFFITT, Roy B. 206 Chamberlain St., Raleigh, N. C. MOGEY, Leona (G) Raytheon Manufacturing Co. 55 Chapel St., Newton, Mass. MOHANTY, Gajendra Nath (I) 6 Kalimati Rd., E., Tatanagar, India (Hindustan Steel Pvt. Ltd.) R o s t e r 75 JgOHL, Helmuth (W) MOORE, H. Fabrica de Loza *'La Favorita," S. A. ' Tlalnepantla, Mex., Mexico 41 Torton Hill Rd. Arundel, Sussex, England llOHLER, Neal F. (SI) MOORE, Henry (G) v Miller Equipment Co. 38 Potter Ave. Kx 1566, Salisbury, N. C. ,, J. Gilbert (GI) West New Brighten Staten Island, N. Y. (Metro Glass Co.) MOORE, James M. (S) Ashe Brick Co., Van Wyck, S. C. . Erie St., Woodville, Ohio Hied Chemical Corp.) MOORE, John G. (W) 405 E. Poplar St., Robinson 2, 111. ,, William C. (MI) (Case Mfg. Corp-.) . Shenango China, Inc. MOORE, Matthew S. Shenango Refr. Div., New Castle, Pa. Pre-Fab. 241, Clemson College MOHUN, William A. (R) Clemson, S. C. General Abrasive Co., Inc. MOORE & MUNGER 2000 College Ave., Niagara Falls, N. Y. (Murray Rushmore, Jr.) 33 Rector St. MOL, Evert A. (E) New York 6, N. Y. Rea Magnet Wire Co., Inc. MOORE, Richard S. (RI) E. Pontiac St., Fort Wavne, Ind. Harbison-Walker Refractories Co. MLLER, J. Aall 1800 Farmers Bank Bldg. Porsgrunds Porselaensfabrik Pittsburgh 22, Pa. Porsgrunn, Norway MOORE, Robert E. MONACK, A. J. (G) 287 Mortimer Ave., Rutherford, N. J. Missouri School of Mines Ceramic Engineering Dept. (Newark College of Engineering) Rolla, Mo. MONAGLE, William T. (R) 3908 Summit Rd., Lake Mohawk Box 1487, Sparta, X. J. (Reaction Motors, Inc.) MONG, Lewis E. (R) MOORE, Robert F. (R) 3345 Forbes St., Pittsburgh 13, Pa. (Jones & Laughlin Steel Co.) MOORE, Ronald H. 4212 Center St., Des Moines, Iowa 8506 Loughborough PI. MORAN, J. J. (G) Chevy Chase 15, Md. Landis Ave. & Spring Rd. (National Bureau of Standards) Vineland, N. J. MONKS, Douglas E. (R) (Kimble Glass Co.) ; 20101 Tracy Ave., Cleveland 23, Ohio MORELL, N. L. (R) (Carborundum Co.) 313 Union Bank Bldg., Bethlehem, Pa. MONKS, J. R. (G) (N. L. Morell Co.) 4714 Harbord Dr., Toledo 13, Ohio MORENA, Alfred (LI) r (Owens-Illinois) 6 Colby Ct., New Haven, Conn. MONROE, G. DeVon (XJ) (Electro-Ceramics, Inc.) i 2912 Alhambra Circle Coral Gables. Fla. V (Ford Motor Co.) HONROE, James E,, Jr. (M) ,tr 1626 Cunard Rd.. Columbus 13,. ^(Titanium Alloy Mfg. Div. iational Lead Co.) TAGNO, Antonio M. (E) S9 Glenmont Ave., Columbus 14, Ohio (Inland Engineering Co.) MONTEITH, Philip G. (E) if.- 4204 Dolphin Rd., Louisville 18, Ky. (Chicago Vitreous Corp.) MORESCO, Albert J. (R) 336 Travis #3, Pittsburgh 36, Pa. (United States Steel Corp.) OhMioORLGibAbNey,-OJowhennsC-.F, oJrrd. (G) Glass Co. 1701 E. Broadway, Toledo 5, Ohio MORGAN, John M. (L) 42 Laurel Dr., Scranton, Pa. (General Electric Co.) MORGAN, Raymond W. (R) R. W. Morgan Co., 11695 Woodbine Detroit 39, Mich. MONTGOMERY, Earle T. (WFI) 12 W. Jeffrey PI., Columbus ' (Consulting Engineer) 14, Ohio MORGAN, Robert A. (WI) Leviton Mfg. Co., 236 Greenpoint Brooklyn 22, N. Y. Ave. MONTGOMERY, Eldwin C. (GI) MORGAN, Stuart F. (WI) Libbey-Owens-Ford Glass Co. Harbor Rd., Mattapoisett Neck . ` Box 82, Shreveport, La. Mattapoisett, Mass. Mo n t g o m e r y , Thomas b . (G) (J. I. Paulding, Inc.) . i Pittsburgh Plate Glass Co. MORGAN, Willard L. (G) 632 Ft. Duquesne Blvd. 1203 Moundview Ave., Newark, Ohio . Pittsburgh 22, Pa. (Owens-Corning Fiberglas Corp.) MONTGOMERY, Wayne C. (L) MORGAN, W. R. (GFI) . ' Aluminum Co. of America Sterling Grinding Wheel Co. 1501 Alcoa Bldg., Pittsburgh 19, Pa. Box 801, Tiffin, Ohio MOODY', Billy D. ~ Box 353. Seneca. S. C. MORK, Gordon E. R. R., McCallsburg, Iowa MOODY, H. Leslie (D) MORNIN, Bob L. (WI) ri- Hyalyn Porcelain, Inc., Box 460 3885 Pierce, Wheat Ridge, Colo. '; Hickory, N. C. (Coors Porcelain Co.) Mo o d y , w niis e . (Bd ' ' School of Ceramic Engineering Georgia Institute of Technology Atlanta, Ga. Mo o n e y , Edward l . (W) i General Laboratory Assoc., Inc. : Norwich, N. Y. Mo o r e , Carleton B. 391 S. Wilson Ave.. Pasadena, Calif. MOORE, Charles H. (B) R. Mallory & Co. 3029 -E. Washington St. ^Indianapolis 6, Ind. iE, Dwight G. (EFI) MORREN, Georges 16, Ave. Alphonse X III Uccle, Brussels, Belgium (Diamant Bourt) MORRIS. Ernest D. 15 Irby Rd., Heswall, Cheshire, England (Morgan Refractories Ltd.) MORRIS, George J. (R) American Steel Wire Div. United States Steel Corp. Research Lab., Wire Ave. Cleveland 5, Ohio Kineral Products Division MORRIS, Irvine H. (W) National Bureau of Standards Shepherd Chemical Co. !Washington 25, D. C. Highland Ave., Cincinnati 12, Ohio JPORE, Francis M. Wade Hampton Blvd., R. R. 4 pTaylors, S. C. L 37, No. 10 (1958) MORRIS, John L. (W) 14427 Allingham, Norwalk, Calif. (Durochrome Decalcomania Co., Inc.) MORRIS, Richard C. (R) Babcock & Wilcox Co. 105 S. LaSalle St., Chicago 3, 111. MORRIS, W. C. (G) 1251 Mayfield Ridge, Cleveland 24, Ohio (Harshaw Chemical Co.) MORRISON, Neil T. (M) Bell Research, East Liverpool, Ohio MORRISON, R. F. (M) 384 Gulf Rd., Elyria, Ohio (Harshaw Chemical Co.) MORROW, Lawrence D. 2607 30th W., Seattle 99, Wash. MORSE, Arthur E. (G) 2735 Woodstock Rd. Columbus 21, Ohio (Federal Glass Co.) MORSE, Clifford E. (G) Dominion Glass Co., Ltd. Box 190, Montreal, Que., Canada MORSE, George T. (WF) Smooth-On Mfg. Co. 572 Communipaw Ave. Jersey City 4, N. J. MORTON POTTERY CO. (H. W. Rapp, Jr.) 315 W. Jefferson St. Morton, 111. MORTON, William A. (G) 46 Standish Blvd., Mt. Lebanon Pittsburgh 28, Pa. (Loftus Engineering Corp.) MOSAIC TILE CO. (G. F. McConnell) Zanesville, Ohio MOSER, Berthold B. Industria Ceramica, Ltda. Apartado Aereo 4829, Bogota, Colombia MOSER, John B. 806 Seward St., Apt. II Evanston, 111. MOSER, John L. (RI) 1210 Acorn Dr., Dayton 9, Ohio (W. H. Kiefaber Co.) MOSS, LeRoy L. (El) 3553 Ingleside Rd. Shaker Heights 22, Ohio (Ferro Corp.) MTSCH, F. R. (G) Foster-Forbes Glass Co., Marion, Ind. MOULD, Richard E. (G) Preston Labs, Inc. Box 149, Butler, Pa. MOULD, W. J. (W) French Saxon China Co. Baugh Ave., Sebring, Ohio MOULTON, A. K. (M) A. K. Moulton Associates Plaza Professional Bldg. 6936 San Pedro Ave. San Antonio 12, Texas MOUNT CLEMENS POTTERY CO. (Charles E. Doll) Mount Qemens, Mich. MOURAUD, Paul H. (W) 14 Ingleside Rd. LTpper Montclair, N. J. (Technical Ceramics & Lava Corp.) MOWAT, James F., Jr. 559 Columbia Ave., Des Plaines, 111. MOWREY, Fred W. (GI) 108 Rodgers Dr., New Kensington, Pa. (American-Saint Gobain Corp.) MOYER, Henry F. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MUAN, Arnulf (B) Pennsylvania State University 24 Mineral Sciences Bldg. University Park, Pa. MUCCIGROSSO, Angelo 824 Whitney Dr. Schenectady 9, N. Y. MUELLER, Edw-ard E. (BI) School of Mineral Engineering University of Washington Seattle 5. Wash. R oster 77 TELLER, Ferd A. (RI) 1360 Rudd, Canon City, Colo. (Freeman Fire Brick Co.) TELLER, James I. (BFI) Ceramic Engineering Division University of Washington tie 5, Wash. lER, John P. (M) _ ntain View Rd., Trenton 8, N. J. (Mueller Machine Co.) UHLSTDT, William J. 371 Forbes Hall M.R.H. Champaign, 111. ULL, Lee R. (G) Owens-Corning Fiberglas Corp. Barrington, N. J. lULLADY, Russell E. (M) 459 E. High Ave. New Philadelphia, Ohio (Titanium Alloy Mfg. Div., National Lead Co.) ULLAN, Joseph (S) Champion Brick Co. 7600 Pulaski Highway Baltimore 6, Md. ULLEN, W'illard F. (M) 120 Hillview Ave., State College, Pa. (Curtiss-Wright Corp.) ULLER, Gerhard Staatliche Porzellan-Manufaktur Berlin Hartmannstrasse 1-3 (13a) Selb/Oberfr. U. S. Zone, Germany ULLER, Max (RI) Basic, Inc., 845 Hanna Bldg. Cleveland 15, Ohio ULLER, Robert Emaillerie de St. Maurice 29, Rue du Val d'Osne St. Maurice (Seine), France MULLIGAN, Edwin F. (E) Jones Metal Products Co. West Lafayette. Ohio ULROY, James P. (El) Lafayette Ave., Buffalo 9, N. Y. Vocational High School) [ F A N , Henry (L) Sierra Talc & Clay Co. Box 390, South Pasadena, Calif. ULTER, Robert K. (W) Architectural Tiling Co. Cass & Jackson Sts., Keyport, N. J. 'ULVANE, O. E. (E) 4138 N. 21st St., Milwaukee 9, Wise. (A. O. Smith Corp.) IUNDY, O. S. (WI) 426 Park Ave., Wheaton, 111. (Western Electric Co.) iUXOZ, C., Alonzo Loceria Colombiana S. A. Apartado Aereo 1046 Medellin, Colombia [URDOCH, K. A. Davey & Moore Ltd., Lockfield Ave. Brimsdown, Enfield Middlesex, England 1URGATROYD, John B. Rockware Glass. Ltd., Rockware Ave. Greenford, Middlesex. England IURPHY, Edward J. (W) Charles B. Chrystal Co., Inc. 53 Park PI., New York 7, N. Y. [URPHY, Harry T. (R) Climax Fire Brick Co., Dimax, Pa IURPHY, Leone P. 1003 S. Green St., Urbana, 111. TURPHY, Remington M. (L) 7744A Wagner Way Lynnewood Gardens Elkins Park 17, Pa. (Ilnternationa] Resistance Co.) AY, Ernest L. (M) ited States Ceramic Tile Co. t Sparta, Ohio AY, Frank J., Jr. (M) Nichols Engineering & Research Corp. 405 Montgomery St. San Francisco 4, Calif. OL. 37, No. 10 (1958) MURRAY, Haydn H. (B) Georgia Kaolin Co. 433 N. Broad St., Elizabeth 3, N. J. MURRAY, John F. (B) 413 Ottawa St., Forest Heights, Washington 21, D. . (Naval Research Laboratory) MURRAY, Louis J. Vaal Potteries, Ltd., Box 49 Meyerton, Transvaal, South Africa MURRAY, Maurice A. (LI) 1411 Hudson Aurora Rd. Aurora, Ohio (Clevite Corp.) MURRAY, Maurice J. (B) Universal Oil Products Co. 30 Algonquin Rd., Des Plaines, 111. MURRAY, Robert S. (G) B. F. Drakenfeld & Co., Inc. Washington, Pa. MURRAY, Thomas F. 203 Ravenel Rd., Clemson, S. C. MUSSELMAN, H. G. (G) 4413 Old Frederick Rd. Baltimore 29, Md. (Carr-Lowrey Glass Co.) MUSSEY, Delava n S. (X) Aluminum Co. of America 22 Pleasant St., Rm. 201 Worcester 8, Mass. MYCALEX CORP. OF AMERICA Box 311, Clifton, N. J. MYERS, C. H. (R) Utah Fire Day Co. Box 127, Salt Lake Citv. Utah MYERS, Charles V. (W) Eljer Co.. Three Gateway Center Pittsburgh 22, Pa. MYERS. Robert L. (RJ) 9574 Pagewood Ct., St. Louis 14. Mo. (McDonnell Aircraft Corp.) MYERS. Thomas J. (G) 1229 Walton Ave., Altoona. Pa. (Svlvania Electric Products, Inc.) MYERS, Wilbur C. (B) National Cash Register Co. 1401 E. El Segundo Blvd. Hawthorne, Calif. MYERSON, Martin (W) Myerson Tooth Corp. 90 Hamilton St., Cambridge, Mass. MYERSON, Richard L. (W) Myerson Tooth Corp. 90 Hamilton St., Cambridge, Mass. MYGDAL. Rolf L. (W) - 1825 St. Germain St. St. Laurent, Que., Canada (Pilkington's Tiles (Canada) Ltd.) N NADLER, Marion R. (B) 498 Quartz St., Los Alamos, N. M. (Los Alamos Scientific Lab.) NAGAN, Harold R. (WJI) 32 Claremont Ave., Santa Clara, Calif. (Lockheed Aircraft Corp.) NAGAN, Raymond M. 19 Palisade Park, Rochester, N. Y. NAKAMURA, H. Henry (B) Armour Research Foundation of Illinois Institute of Technology 3427 S. Federal St., Chicago 16, 111. NAKAMURA, Yoshikazu Shoko Glass Co., Ltd., 1330, Yamazaki Kamakura City Kanagawa Pref., Japan NANCE, Taylor E. (L) 4652 Walden Dr. Winston-Salem, N. C. (Western Electric Co.) NAPIER, John B. (S) 1120 Bass Rd., Macon, Ga. (Cherokee Brick & Tile Co.) NAPOLITANO, Albert (G) National Bureau of Standards Dept, of Commerce Conn. Ave. & Van Ness St. Washington 25, D. C. XARASIMHAN, Malur D. 30 Second Main Rd., Kasturibai Nagar P. O. Adyar, Madras, India NASH, Harold S. (DF) University of Cincinnati Ceramics Dept., Cincinnati 21, Ohio NASH, Herbert (M) Southern California Gas Co. Box 3249, Terminal Annex Los Angeles 54. Calif. NATCO CORP. (R. A. Shipley) 327 Fifth Ave., Pittsburgh 22, Pa. NATIONAL ENGINEERING CO. SIMPSON MIX-MULLER DIV. (James Stewart) 549 W. Washington Blvd. Chicago 6, 111. NATIONAL INDUSTRIAL SAND ASSN. (V. P. Ahearn) Munsey Bldg., Washington 4, D. C. NATIONAL LEAD CO. (Roy Dahlstrom) 111 Broadway, New York 6. N. Y. NATIONAL LIME AND STONE CO. (L. G. Love) First National Bldg. Findlay, Ohio NATIONAL REFRACTORIES DIV. MEXICO REFRACTORIES CO. (R. A. Hitchins) 226 S. 16th St. Philadelphia 2, Pa. NATIONAL RESEARCH CORP. (Philip J. Dough) 70 Memorial Dr. Cambridge 42, Mass. NAUDOT, Jacques Cerabati, 10 Rue Pasteur Pont Sainte Maxence (Oise), France NAVIAS, Louis (BFI) General Electric Co., Research Lab. Box 1088, Schenectady, N. Y. NAVRATIEL, Hans Rosenstrasse 9, Lauf/ Pegnitz Bavaria, Germany (Sembach & Co.) NEAL, James E. (R) 164 Sandford Ave. North Plainfield, N. J. (Johns-Manville Corp.) NEALON, Terence P. Edward Curran Engineering, Ltd. Cardiff, Wales NEDREBERG, Roy E. G. (WJ) 215 Searle St., Zanesville, Ohio (Mosaic Tile Co.) NEELY, Homer E., Jr. (G) 404 E. 11th Ave., Tarentum. Pa. (Pittsburgh Plate Glass Co.) NEFF, Edward D. (R) Box 205, Templeton. Pa. (Harbison-Walker Refractories Co.) NEFF, John M. (S) Armour Research Foundation 10 W. 35th St., Chicago 16, 111. NEIMAN, Robert (R) WTiip-Mix Corp., Inc. 411 W. Avery Ave., Louisville 8, Ky NELLES, Maurice (B) Crane Co. 836 S. Michigan Ave., Chicago 5, 111. NELLEY, John Wr. (G) 4104 Oriole PI., Nashville. Tenn. (Ford Motor Co.) NELSON, Christian E. (L) National Beryllia Corp. 4501 Dell Ave., North Bergen. N. J. NELSON, Forrest W. (EFI) A. 0. Smith Corp., 3533 N. 27th St. Milwaukee 1, Wise. NELSON, James A. (S) University of Illinois 204 Ceramics Bldg., Urbana, 111. NELSON James W. (RJ) 3534 S. Third E., Salt Lake City, Utah (General Refractories Co.) NELSON, Karl E. 4809 Stag Rd., Chattanooga 5, Tenn. NELSON, Richard P. Massachusetts Institute of Technology Dept, of Metallurgy Cambridge 39, Mass. R oster 79 NELSON, Robert E. (G) 20 Spring St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) NELSON, Robert T. (R) Columbia-Geneva Steel Co. Box 510, Provo, Utah NELSON, Roland E. <M) ^^^ rison Engineering Sales Co. Grant Bldg., Pittsburgh 19, Pa. Nb ^ s ON, William I. (G) 118 Mary St., Binghamton, N. Y. (Solvay Process Div., Allied Chemical Corp.) NELSON, William M. (L) W. L. Maxson Corp. 460 W. 34th St.. New York 1, N. Y. NERENSTONE. Marc (W) 39 Princeton Dr.. Pittsburgh 35, Pa. (Westinghouse Electric Corp.) NESTER, Ralph Delta Upsilon. State College, Pa. NETTER, William S. (G) Keystone Abrasive Wheel Co. Gregg & Hammond Aves., Carnegie, Pa. NETZSCH, Erich Maschinenfabrik Gebrder Netzseh Werkstrasse 19 Selb (Bayern), Germany NEVIUS, John C. (Gi 117 N. Maple St.. Somerset. Ky. (General Electric Co.) NEW', Ryland J. (S) National Sewer Pipe Ltd. Box 36, Oakville, Ont., Canada NEWARK, Frank F. (L) ' Aluminum Co. of America 1450 Terminal Tower Cleveland 13, Ohio NEWARK, Martin (M) Simonds Abrasive Co. Tacony & Fraley Sts. Philadelphia 37, Pa. NEWBOLD GENERAL REFRACTORIES, LTD., Gavey St. Mayfield, N. S. W., Australia kCASTLE REFRACTORIES CO. 1. W. Rowland) New Castle, Pa. -OMB, Rexford. Jr. (RI) 915 Dodge, Lake Geneva, Wise. (RX Chemical Co.) NEW JERSEY PORCELAIN CO. (J. M. Gilfillan) Box 908 Trenton 5, N. J. NEWKIRK, Terry F. (B) General Electric Co. Power Tube Dept. Schenectadv, N. Y'. NEWTON, Avery C. (R) The Refractories Institute First National Bank Bldg. Pittsburgh 22. Pa. NEW YORK UNIVERSITY COLLEGE OF ENGINEERING (Kurt L. Komarek) University Heights New York 53, N. Y. NICHOLS ENGINEERING & RESEARCH CORP. (H. Bach Nielsen) 70 Pine St. New Y'ork 5. X. V. NICHOLSON. Albert H. (D) Federal Glass Co. 515 Innis Ave., Columbus 7, Ohio NICHOLSON. Kenneth C. (R) 2440 Niagara Ave. Niagara Falls. N. Y. (Carborundum Co.) NICOLAS, Charles E. (R) Libbey-Owens-Ford Glass Co. Box 1091, Shreveport, La. NIELSEN, H. Bach (M) Nichols Engineering & Research Corp. 70 Pine St., New Y'ork 5, N. Y. " >EN, Thomas H. W. Oregon. Urbana, 111. I a n . a . h . (G) Ohio Lime Co.. Woodville, Ohio NIES, Nelson P. (E) iff United States Borax Research Corp. fry- 412 Crescent Way, Anaheim, Calif. Vol. 37, No. 10 (1958) NIKI, Eiji Massachusetts Institute of Technology Dept, of Metallurgy ' Ceramics Div., Rm. 4-051 Cambridge 39, Mass. NIKLEWSKI, B. K. . Main Enamel Mfg. Co., Ltd. Gothic Works, Angel Rd. Edmonton, London, N. 18, England NILES FIR E BRICK DIV. MEXICO REFRACTORIES CO. (Carey E. Lindsay) 165 E. Park Aye., Niles, Ohio NIPPON TOKI KAISHA, LTD. (Jun Isagawa) #1, Noritakeshinmachi, Nishiku, Nagoya, Japan NISULA, Chester A. (R) 716 Main St., Riverton, N. J. (Simonds Abrasive Co.) NI YOGI, D. P. 49/D Middle Rd.,.Entally Calcutta 14, West Bengal, India (Bengal Enamel Works, Ltd.) NOBES, Frederick L. Carborundum Co., Ltd., Trafford Park Manchester 17, England NOBLES, Eugene L. (El) 3714 Torrington Ave. Cleveland 34, Ohio (Ferro Corp.) NOBLES, Melvin A. (B) Louisiana Polytechnic Institute Dept. Petroleum Engr., Ruston, La. NOCK, Charles J. (R) Nock & Son Co., 916 Engineers Bldg. Cleveland 14, Ohio NODA, Tokiti Dept, of Applied Chemistry Faculty of Engineering Nagoya University Chikusa-ku, Nagoya, Japan NOE, James T. (S) 411 Madison Ave., Broolcville, Pa. (Hanley Co.) NOHLE, Richard C. (SI) Claycraft Co. Box 866, Columbus 16, Ohio NOLAN, William F. 9 Somerset Lane, Holden, Mass. NORANTE, Nicholas J. (L) Box 30, Star Route, Latrobe, Pa. (Carborundum Co.) NORDBERG, Martin E. (GF) 134 E. Fourth St., Coming, N. Y. (Corning Glass Works) NORDGREN, Harry Aktiebolaget Gustavsbergs Fabriker Gustavsberg, Sweden NORDMEYER, Rudy L. (S) Valley Brick & Tile Co., Box 353 Mission, Texas NORDQUIST, Clarence E. (LJI) 19 Woods Dr., Dayton 32, Ohio (U. S. Air Force) NORDQUIST, Lawrence E. (L) Cornell-Dubilier Electric Corp. 1605 Rodney French Blvd. New Bedford, Mass. NORDYKE, J. S. (MF) Hammond Lead Products, Inc. 40 E. Main St., Carnegie, Pa. NORMANDEAU. Pierre (D) 3660 Hutchison St. Montreal 18. Que., Canada NORRIS, Alan W. 167 Station Rd., Wylde Green Sutton Coldfield, Warwick, England (Doulton Research Ltd.) NORRIS-THERMADOR CORP. (Edgar H. Freeman) 20118 E. Valley Walnut. Calif. NORTH AMERICAN REFRACTORIES CO. (Robert A. Moffett) 1012 National City E. Sixth Bldg. Cleveland 14, Ohio NORTHWESTERN GLASS CO. (Edward S. Campbell) 5801 E. Marginal Way, Seattle 4, Wash. NORTON, Charles L,, Jr. (RF) Babcock & Wilcox Co., 161 E. 42nd St. New Y'ork 17, N. Y. NORTON CO. (O. J. Whittemore, Jr.) Worcester 6, Mass. NORTON, Frederick H. (RFI) Dept, of Metallurgy Div. of Ceramics Mass. Institute of Technology Cambridge 39, Mass. NORTON, George R. (El) Pfaudler-Permutit, Inc. Research Lab. 1000 West Ave, Rochester 3, N. Y'. NORWALK, Marshall II. (LJ) 76 Catlin Dr., R. R. 2 Beaver Dams, N. Y. (Corning Glass Works) NORWOOD, J. Nelson (Life, X) Alfred University, Alfred, N. Y. NOSCHESE, Pedro S. A. Comercio e Industrias Souza Noschese Rua Julio Ribeiro 243 Sao Paulo, Brazil NOYY. Anton R. (B) Great Lakes Carbon Corp. 8210 Austin Ave., Morton Grove, 111. NOYY. Otto R. (W) 609 S. Xa-Wa-Ta. Mount Prospect, 111. (Chicago Potterv Co.) NOWAK, John M. (BI) Bell Aircraft Corp., Wheatfield F-ll Box 1, Buffalo 5, N. Y. NOWELL, Dorroh L., Jr. (S) 202 Broad St., Augusta. Ga. (Merry Bros. Brick & Tile Co.) NUSSBAUM, Theodore 170 Ellis Ave., Irvington, N. J. XY'EIX. Kyaw Ohio State University Ceramic Engineering Dept. Columbus 10, Ohio NYQUIST, Roy A. (G) 3650 Beechway Blvd., Toledo 14, Ohio (Libbey-Owens-Ford Glass Co.) o OAKEY, Paul D,, Jr. 705 N. Main St., Blacksburg, Va. OAKLEY, 2/Lt. Harry D. (RJ) Airport Branch, Malden, Mo. OAKLEY, Walter W. (GF) Box 156, Big Flats, N. Y. (Corning Glass Works) OARE, Henry A. (W) 2655 Sharondale Dr., N. E. Atlanta, Ga. (Georgia Sanitary Pottery, Inc.) O'BAXXON, L. S. (EF) 2239 Farleigh Rd., Columbus 21, Ohio (Battelle Memorial Institute) OBERSCHMIDT, Leo E. (RI) Harbison-Walker Refractories Co. Havs Lab., Pittsburgh 7, Pa. OBERST, Clair R. (MF) Industrial Ceramic Products, Inc. 965 W. Fifth Ave.. Columbus 8, Ohio OBERST. Robert B. (WI) 323 Weymouth Lane Columbus 4, Ohio (Industrial Ceramic Products, Inc.) O'BRIEN, Neil H. (S) B. F. Drakenfeld & Co. Box 519, Washington, Pa. O'BRIEN, William F. (E) 22 Hope Rd., Eatontown, N. J. (American Potash & Chemical Corp.) O'CONNELL, Thomas B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadwav. Toledo 5, Onio O'CONNOR, Frank (WJ) Du-Co Ceramics Saxonburg, Pa. O'CONNOR. Jerry B. (M) 1205 Edgewood Ave., Apt. B-3 Trenton 8, N. J. (O. Homme] Co.) Roster 81 O'DELL, Harold L. (W) OLSEN, Rangwald S. (El) Hamilton Porcelains Ltd. 1137 Grant St., Evanston, 111. 38 Elgin St., Brantford, Ont., Canada (Armour Research E'oundation) ODINK, Harry J. (W) OLSON, Hjalmar 1271 Maple Ave., Zanesville, Ohio Aktiebolaget Gustavsbergs Fabriker (Mosaic Tile Co.) Gustavsberg, Sweden Paul R. (Ml OLSON, Ole A. (R) N. Nancelon Circle, Macon, Ga. 5 Wrenwood Ct. d. Huber Corp.) Webster Groves 19, Mo. Robert B. (S) (Laclede-Christy Works, Refr. Div. 202 Baker St. H. K. Porter Co., Inc.) Box 846, Henderson, Texas O'NEILL, John H- (LJ) (Henderson Clay Products) 476 74th St., Brooklyn 9, N. Y. OESTERLE, Henry (E) (Sperrv Gyroscope Co.) Roesch Enamel & Mfg. Co. ONONDAGA POTTERY CO. W. Main & N. 24th Sts. (R. H. Pass) Belleville, 111 1858 W. Fayette St., Syracuse 1, N. Y. OESTERLE, Robert A. (E) ORAVEC, Joseph A. (S) 11 Glen Grove, Belleville, 111 3731 N. Newland Ave., Chicago 34, 111. (Roesch Enamel & Mfg. Co.) ORBACH, Harry K. (B) OGDEN, D. P. (S) Fluor Corp. Ltd. Ogden Engineering Co. 12000 E. Washington Blvd. Box 218, Ottawa, 111. Whittier, Calif. OGDEN, Ellsworth P. (RF) ORDWAY, Fred (B) Box 348, Granby, Colo. Portland Cement Association Fellowship (Harrop Ceramic Service Co.) National Bureau of Standards . OGDEN, William D. (RIj Washington 25, D. C. 110 W. Maxwell St. Mount Union, Pa. OREFRACTION, INC. (Albert L. Kreuer) 7425 Thomas St. (North American Refractories Co.) Pittsburgh 8, Pa. OHIO BRASS CO. (J. J. Taylor) Barberton, Ohio OHIO CLAY CO. (Norman E. Denison) Box 1776, Cleveland 5, Ohio OHIO LIME CO. (A. H. Nieman) Woodville, Ohio OHLIGER, Lewis P. (G) 209 Ridgeview Dr. Elast Rochester, N. Y. (Bausch & Lomb Optical Co.) OHNYSTY, Basil (R) 1812 Shirley, N. E. . Albuquerque, N. M. (Sandia Corp.) OLCOTT, Eugene L. (R) lantic Research Corp. I N. Columbus St., Alexandria, Va. TT, Joseph S. (B) Corning Glass Works, Corning, N. Y. OLD, A. Floyd (S) ORMSBY, W. Clayton (W) National Bureau of Standards Washington 25, D. C. ORR, SP2 David B. (EJ) RA12477806 E Btry, 1st Regt (E. S. & F.) US Army Air Defense School Fort Bliss, Texas ORTEPIO, Salvatore (L) General Ceramics Corp., Crows Mill Rd. Keasbey, N. J. ORTH. Howard S. (W) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio ORTH, Howard S., Jr. (W) 236 Fairway Dr., Columbus, Ohio (Industrial Ceramic Products, Inc.'i ORTMAN, Curtis D. (W) 3056 Morrish Rd., Swartz Creek, Mich. Southern Lightweight Aggregate Corp. (A C Spark Plug Div., General Motors Corp.) Box 8, Bremo Bluff. Va. ORTMAN, Fred B. (BFI) OLD HICKORY CLAY CO. 1560 Stone Canyon Rd. (Lee F. Powell) Los Angeles 24, Calif. Box 271, Paducah, Ky. (Stanford Research Institute) O'LEARY. W. J. (R) ORTON. EDWARD. JR., 24 Seminole Ave., Claymont. Del. CERAMIC FOUNDATION (E. I. du Pont de Nemours & Co.) (J. L. Carruthers) 1445 Summit St. OLENCHUK, Daniel L. (R) Box 146, Sta. A, Columbus 1, Ohio 1300 Laird Ave., Aliquippa, Pa. ORTON. Mrs. Edward. Jr. (Jones & Laughlin Steel Corp.) 39 W. Torrence Rd. OLIVER, D. A. Columbus 14, Ohio B. S. A. Group Research Centre Mackadown Lane. Kitts Green Birmingham 33, England OLIVER, Evan M. (E) General Electric Co. Appliance Park. Louisville, Ky. OLIVER, John C. (E) Porcelain Enamel Institute 1145 19th St., N. W. Washington 6, D. C. " OLIVER. John H. (G) 752 Maple Ave., Elmira, N. Y. (Westinghouse Electric Corp.) OLIVER10, William (G) . Rolland Glass Co., Box 232 Clarksburg. W. Va. OLSEN, D. Theodore 151 B Paseo de la Concha ORTON, Harold S. (G) West Penn Power Co. Cabin Hill, Greensburg, Pa. ORZANO, Michael J. (SI) Claycraft Co. Box 866, Columbus 16, Ohio OSBORN, Elburt F. (B) College of Mineral Industries Pennsylvania State University University Park, Pa. OSBORN, Walton O. (R) North American Refractories Co. Research Center, Curwensville, Pa. OSBORNE. David G. Osram Glassworks East Lane Wembley, Middlesex, England " Hollywood Riviera OSTRANDER, Eugene C. (G) __Redondo Beach, Calif. Kopp Glass, Inc. Q |K N . Eric TD) Box 8255, Swissvale. Pittsburgh 18, Pa. R. 63, Dundee, 111. OSTRANDER, Van R. (L) '^ ^ R a e g e r Potteries. Inc.) Endevco Corp. OLSEN, John M. (G1 27 E. California St., Pasadena, Calif. S'' E. I. du Pont de Nemours & Co., Inc. OTLEY, J. D. (S) 1 0 ' Electrochemical Dept. John B. Kelly Inc. of Penn. Wilmington 98, Del. 1720 Cherry St., Philadelphia 3, Pa. Vol. 37, No. 10 (1958) , OTRHALEK, Joseph V. (B) Wyandotte Chemicals Corp. Wyandotte, Mich. OTTAWA SILICA CO. (George A. Thornton) Box 437 Ottawa, 111. OTTO, George H. (S) 53 W. Jackson Blvd., Chicago 4, Hi. (Consultant) OTTO, Milton C. 205 E. Armorv, Champaign, 111. OTTO, William H. (G) Owens-Corning Fiberglas Corp. Newark, Ohio OTTOSON, Axel (GI) 4300 Highland Ave., Shadyside, Ohio (Imperial Glass Corp.) OWEN, Frederick E. (R) Electrical Refractories Co. East Palestine, Ohio OWEN, J. D. R. Fowler, Ltd., Fitzroy St. Marrickville, Sydney, N.S.W., Australia OWENS-CORNING FIBERGLAS CORP. (A. C. Siefert) Newark, Ohio OWENS-ILLINOIS (W. D. Miller) Box 1019, Oakland 4, Calif. OWENS-ILLINOIS (Oscar G. Burch) Box 1035, Toledo 1, Ohio OWENS, James S. (W) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. OXLEY, Charles A. (W) 1508 Park St., Robinson, 111. (Case Mfg. Corp.) P PACHL, Margaret (D) University of North Dakota Ceramics Dept., Grand Forks, N. D. PACIFIC CLAY PRODUCTS (John D. Fredericks) Box 2178, Terminal Annex Los Angeles 54, Calif. PACKMAN, Willard D. (WI) Edwin M. Knowles China Co. Newell, W. Va. PADFIELD, Ralph C. (R) 2990 Avon Rd., Bethlehem, Pa. (Bethlehem Steel Co.) PAFF, John A. (G) Willson Products Div. Ray-O-Vac Co., Reading, Pa. PAFFORD, Ray W. (SFI) Acme Brick Co. Box 425, Fort Worth 1, Texas PALADINO, Albert E,, Jr. (B) Raytheon Mfg. Co., Res. Div. Waltham 54, Mass. PALMER, Delos M. (G) 4401 Jackman Rd., Toledo 12, Ohio (Delos M. Palmer & Associates) PALMER, Rufus N. (M) 476 Broadmoor Ave., Pittsburgh 34, Pa (Consultant) PALMER, Willard E. (SI) 768 N. Cross St. Newcomerstown, Ohio (Clay City Pipe Co.) PALMER1, Victor R. (B) Box 33, Kenmore Sta. Boston 15, Mass. (Fenwal, Inc.) PALMOUR, Havne, III (BI) 2606 Wade Ave., Raleigh, N. C. (North Carolina State College) PANGELS, Alfred A. Villeroy & Bocfi- G.m.b.H. Keramische Werke, Steingutfabrik Mettlach, Saar, Germany PANGELS, Heinz J. (W) Mosaic Tile Co. Pershing Rd., Zanesville, Ohio R oster 83 PAPER MAKERS ' IMPORTING CO.. INC. tCharles Brian; 44 S. Second St., Easton, Pa. PAPIER, Harry (S) Natco Corp., Box 267, Cordova, Ala. S, James 3 Brookline Ave., Boston IS, Mass. IN, Pol ciete Franaise de Cramique 44, rue Copernic '. Paris XV1, (Seine) France PARCEL, Martin W. (W) Robertson Mfg. Co. Box 848, Trenton S, N. J. PARI KH, K. N. University of Illinois 204 Ceramics Bldg., Urbana, 111. PARIKH, Niranjan M. Flat No. 5, "Sea Foam" 49 Cuff Parade, Colaba Bombay 5, India PARK, Sung Shin Indiana Technical College Fort Warne, Ind. PARK, Woo Sun c/o Prof. Eung Keuk Lim Seoul National University College of Engr., Chem. Engr. Dept. Seoul, Korea PARKER, Glidden M., Jr. (DF) Glidden Pottery, Inc., Alfred, N. Y. PARKER, Harry (BI) 308 Marvin Rd., Silver Spring, Md. (National Bureau of Standards) PARKER, Henry F. (G) Pittsburgh Plate Glass Co. ; Glass Research Center : Box 11472, Pittsburgh 38, Pa. PARKER, James W,, Jr. (S) 7217 Shakespeare Rd., Columbia, S. C. ` (Guignard Brick Works) PARKER, Leon (G) .... H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. l^ fe tE R , Raymond W. (S) ^^^ liance Clay Product Co. ^ ^ B o x 746, Alliance, Ohio BARKER, Richard G. (L) Fair-Rite Products Corp. Wallkill, N. Y. PARKINSON, Robert E. (E) Kawneer Co. -, 1105 N. Front St., Niles, Mich. PARMAN, Donald W. 1419 "H " St., Renton, Wash. PARMER, Jess H., Jr. (G) Owens-Illinois, Technical Center 1700 N. Westwood Ave. TGoelneedroal 7R, eOfrhaicotories Ltd. PARGNeHneAfMax, HHo. use, Sheffield 10, England p a r r y , William d . (D) Philadelphia Museum School of Art Broad & Pine Sts., Philadelphia, Pa. PARSON, James A. (LI) 1203 Maple Ave., Ridgway, Pa. (Vitroseal Corp.) PARSONS, Douglas E. (S) Building Technology Division National Bureau of Standards Washington 25, D. C. p a r s o n s , j . r . (R) Chicago Fire Brick Co. 7531 S. Ashland Ave., Chicago 20, 111. PASCHAL, Forrest A. (S) Box 289, Siler City, N. C. (Manufacturers' Agent) PASK, Joseph A. (XFI) Division of Mineral Technology University of California "erkeley 4, Calif. I J. S. (W) Pass & Seymour, Inc., Solvay Sta. SO Boyd Ave., Syracuse 9, N. Y. *ASS, R. h . (W) 8);Onondaga Pottery Co. 5;I858 W. Fayette St., Syracuse 1, N. Y. $.,37, No. 10 (1958) PASS & SEYMOUR, INC. (J. S. Pass) Solvay Station, 50 Boyd Ave. Syracuse 9, N. Y. PATEK, Sherwood E. (S) Midland Brick & Tile Co. Chillicothe, Mo. . PATERSON, G. W. (R) Refractories Engineering & Supplies Ltd., 8291 Royden Rd. Montreal 9, Que., Canada PATRICK, Ltjg. Howard W. (X) Fighter Squadron One Hundred gleven FPO, San Francisco, Calif. PATRICK, Joseph H. (S) 507 E. Creswell, Greenwood, S. C. (Southern Brick Co.) PATRICK, Robert F. (El) Pemco Corp. 5601 Eastern Ave., Baltimore 24, Md. PAULSON, Fred H. (R) 29 Chestnut St., Worcester 9, Mass. (Norton Co.) PAULUS, Gerald M. Box 1767, Georgia Tech., Atlanta, Ga. PAVLICA, Stanley R. Box 746, Alfred, N. Y. PAVLISH, Arnold E. (GF) 2904 Clarkson Rd. Cleveland Heights 18, Ohio (Cleveland Supply Co.) PAWLOWSKI, Edward J. (L) 11 Morris St., Amsterdam, N. Y. (Mica Insulator Div., Minnesota Mining & Mfg. Co.) PEACOCK, Robert E. (S) Holloway Concrete Products, Inc. Drawer 1347, Winter Park, Fla. PEARCE, Charles S. (F) American Ceramic Society 4055 N. High St., Columbus 14, Ohio PEARCH, Howard C. (WI) 627 Elson St., East Liverpool, Ohio (Louthan Manufacturing Co.) PEARCH, William M. (WI) Akron Porcelain Co., Akron 14, Ohio PEARL, Harry A. (L) 4 Knoll Dr., Mtd. Route 10 North Tonawanda, N. Y. (Bell Aircraft Corp.) PEARSON, Edward P. (X) Basic, Inc., 845 Hanna Bldg. Cleveland 15, Ohio PEARSON, E. J. & J., LTD. (Ralph Heeley) Firebrick Works Stourbridge, Worcs, England PEASE, Philip J. (G) 1405 Washington Ave. Parkersburg, W. Va. (Demuth Glass Works, Inc.) PECHMAN, Alexander (WI) 1157 E. Pasadena, Pomona, Calif. (Pomona Tile Mfg. Co.) PECK, J. Clair (SI) 2433 Brookside Ln., York, Pa. (Glen-Gery Shale Brick Corp.) PECKHAM, George W. (G) Chattanooga Glass Co. Corsicana, Texas PECKHAM, Robert H. (G) 5051 Bradley Blvd., Apt. 5 Chevy Chase, Md. (Eve Research Foundation) PEDERSEN, John R. (G) 1409 Bradshaw Ct., Maumee, Ohio (Owens-Illinois) PEDU. Richard K. (RI) Basic, Inc. 845 Hanna Bldg., Cleveland 15, Ohio PEEL, G. N. Associated Lead Manufacturers Ltd. Crescent House Newcastle-on-Tyne 1, England PEETERS, Jean M. (G) Canadian Pittsburgh Industries Ltd. 300 Ste. Croix Blvd. St. Laurent. Que., Canada PEILER, Karl E. (GF) Box 228, Mystic. Conn. (Emhart Mfg. Co.) PELLEGRINI, Edmund T. (G) Kopp Glass, Inc., Palmer St. Swissvale, Pittsburgh 18, Pa. PELZ, Robert W. (WI) 3971 Humphrey Rd. West Richfield, Ohio (Ferro Corp.) PEMCO CORP. (Richard H. Turk) 5601 Eastern Ave., Baltimore 24, Md. PENBERTHY, Larry (G) Penberthy Electromelt Co. 2317 47th S. W., Seattle 16, Wash. PENCE, Henry E. (M) St. Joseph Lead Co. Box 97, Monaca, Pa. PENNSYLVANIA PULVERIZING CO. (James B. Frysinger) Two Gateway Center Pittsburgh 22, Pa. PENTECOST, Joseph L. (L) 506 Woodland Dr., Fairfax, Va. (Melpar, Inc.) PERENY, Andrew (MF) Pereny Equipment Co. 893 Chambers Rd. Box 8153, Station A. Columbus, Ohio PERKINS, Harrell L. (M) Central of Georgia Railway Co. 1212 Rhodes-Haverty Bldg. Atlanta 3, Ga. PERKINS, Walter W. (WI) 871 Jacoby Rd., Copley 21, Ohio (United States Stoneware Co.) PERRY, Commodore A. (S) 130 Wells Ave., Greenwood, S. C. (Southern Brick Co.) PERRY, Paul E. (B) Allegheny Ludlum Steql Corp. Brackenridge, Pa. PERRY, Robert F. (WI) Box 283, Victor, N. Y. (Victor Insulators Div., I-T-E Circuit Breaker Co.) PERRY, Robert W. (GJ) 78 E. Second St., Corning, N. Y. (Corning Glass Works) PERRY, T. Ray (L) 1502 Westwood Dr., Irving. Texas (Texas Instruments, Inc.) PERS1CO, John V. 12522 Venice Blvd. Los Angeles 66, Calif. PERTUCH, Walter A. R. (D) Franklin Institute Library 20th & Parkway, Philadelphia 3, Pa. PESKIN, William L. (R) Carborundum Co., Perth Amboy, N. J. PETERS, Forrest I. (W) 113 Hendy Ave., Elmira, N. Y. (Corning Glass Works) PETERSEN, Fred A. (EFI) Thomas Associates 2130 Keith Bldg.. Cleveland 15, Ohio PETERSON, Albert F. Rutgers, The State University School of Ceramics New Brunswick, N. J. PETERSON, Donald H. (R) 3029 Oakcrest Ave., Baltimore 14, Md. (Martin Co.) PETERSON, Jack D. (G) 3029 123rd St.. Toledo 11, Ohio (Owens-Illinois) PETERSON, Jack L. (RI) 820 Milan Ave. South Pasadena. Calif. (Mfgr. Equipment) PETERSON, John A.. Jr. (W) Metal & Thermit Corp. Carteret, N. J. PETERSON, O. M. (M) Lithium Corp. of America Hanna Bldg., Cleveland, Ohio PETERSON, W. H.. Jr (R) Valentine Fire Brick Co. Div. A. P. Green Fire Brick Co. Woodbridge. N. J. PETRIE. Lloyd R. (W) 305 Western. Abingdon, 111. (Abingdon Potteries, Inc.) R oster 85 'ETT, Tyler G. (G) Kopp Glass, Inc. Swissvale, Pittsburgh 18, Pa. ETTICREW, Richard W. R. R. 1, Canisteo, N. Y. ETTY, Frank (W) ^U33 Brookdale Lane ^ B u d 17, Ohio ^ ^ ^ w e la n d Ceramic Corp.) 'E ^ ^ r, Howard E- (S) 3131 Ryons, Lincoln 2, Nebr. (Yankee Hill Brick Mfg. Co.) ETTYJOHN, Robert R. (B) 3777J4 Udall, San Diego 7, Calif. (Convair) FAUDLER-PERMUTIT, INC. (Sidney W. McCann) 1000 West Ave., Rochester 3, N. Y. FEIFF, C. H. (R) Curran-Pfeiff Corp. Box 527, Metuchen, N. J. FEIFFEX BERGER, Lucas E. (S) Box 94, Alpena, Mich. (Expanded Clay & Shale Assn.) FEIFFER, Wilbur H. (EFI) Frigidaire Div., General Motors Corp. Engineering Lab., Plant 2 Dayton 1, Ohio FINGSTEN, H. W. (S) 1410 Colonial Blvd., Canton, Ohio (Metropolitan Brick, Inc.) FLEGER, George E. (M) Harshaw Chemical Co. 3237 S. Garfield, Los Angeles 22, Calif. HELPS DODGE CORP. MORENCI BRANCH (James E. Foard), Morenci, Ariz. HELPS, Edwin H. (R) American Cast Iron Pipe Co. Box 2603, Birmingham 2, Ala. HELPS, Girard W. (M) 101 Shelley Lane, R. R. 2 Morrisville, Pa. (United Clay Mines Corp.) HELPS, Stuart M. (RF) Institute, Pittsburgh 13, Pa. ELECTRONICS, INC. KTRUMENTS DIV. (C. J. Woods) 750 S. Fulton Ave. Mount Vernon, N. Y. HILLIPS, Adrian W,, Jr. (R) 316 Fairmont Ave., New Castle, Pa. (Shenango China, Inc. Shenango Refractories Div.) HILLIPS, Charles J. (GI) Rutgers, The State University School of Ceramics New Brunswick, N. J. HILLIPS, Donald G. (B) 2804 Lynne Ave., Hatboro, Pa. (Precision Grinding Wheel Co.) HILLIPS, Edwin L. (MI) Carolina Pyrophyllite Co. Box 2414, Greensboro, N. C. HILLIPS, Gordon D. (W) Olean Tile Co. 103 S. Clark St., Olean. N. Y. HILLIPS, J. Gordon (RFI) 359 Cooper St.. Ottawa, Ont., Canada (Dept, of Mines & Technical Surveys) HILLIPS, Richard A. (LJ) 264 W. Main St., Williamstown, Mass. (Sprague Electric Co.) HILLIPS, W. Eric (G) Duplate Canada Ltd., Box 367 Terminal A, Toronto, Ont., Canada HOENIX, Richard C. (WI) R. R. 1, Wynnewood Bound Brook, N. J. (Moore & Munger) ICKARD, M. H. (M) United States Borax & Chemical Corp. |ific Coast Borax Co. Div. Rockefeller Plaza __ York 20, N. Y. TEPER, Arthur O. (M) U. 105 Trevor Court Rd. f.; Rochester 10, N. Y. (HeanJ Industrial Ceramic Corp.) E . 37, No. 10 (1958) f\ PIERCE GLASS CO. (J. G. Bozzo) Railroad Ave., Port Allegany, Pa. PIERCE, J. Allen (R) 798 Chalmers PI., Pittsburgh 16, Pa. (Harbison-Walker Refractories Co.) PIERSON, James F. (Ml) Pemco Corp., Sales Dept. 5601 Eastern Ave., Baltimore 24, Md. PIGOTT, Phillip G. (R) Box 345, Norris, Tenn. (United States Bureau of Mines) PILKINGTON, Lawrence H. A. Messrs. Pilkingtoh Bros., Ltd. Glass Works, St. Helens, England PINCUS, Alexis G. (L) General Electric Co., Res. Lab. Box 1088, Schenectady, N. Y. PINNEY, J. M. (W) Harker Pottery Co., Box 749 East Liverpool, Ohio. PINNOW, Harley R. (W) MC 19, East Liverpool, Ohio (Hall China Co.) PINOTTI, Fred D. (G) 2324 Middlesex Dr., Toledo, Ohio (Kimble Glass Co.) PIRIGYI, Francis E. 305 Memorial Dr., Rm. 206B Cambridge 39, Mass. PISULA, J. Donald (R) Corhart Refractories Co., Inc. 940 Commonwealth Bldg. Louisville 2, Ky. PITHER, Leslie F. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio PITTENGER, John T. (W) Box 207, Newell, W. Va. (Homer Laughlin China Co.) PITTMAN, Jack (G) Owens-Illinois, Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio PITTMAN, William C. (R) 410 Whitthorne Dr., Wyoming, Cincinnati 15, Ohio (Chas. Taylor Sons Co.) PITTS, Joseph W. (E) 5714 Beech Ave., Bethesda 14, Md. (National Bureau of Standards) PITTSBURGH CORNING CORP. (Walter D. Ford) Research & Development Div. Port Allegany, Pa. PITTSBURGH PLATE GLASS CO. (James E. Archer) Glass Research Center Box 11472, Pittsburgh 38, Pa. PIXLEY, David M. (G) 7920 Cooper Ave., Cincinnati 42, Ohio (Fusite, Inc.) PIXLEY, Francis V. (S) Hudson Vally Tailer Park, MD 25 Newburgh, N. Y. PLACE, Tom M. (LI) Helipot Div. Beckman Instruments Inc. 2500 Fullerton Rd., Fullerton, Calif. PLACE, Thomas M,, Jr. (B) Helipot Div. Beckman Instruments Inc. 2500 Fullerton Rd., Fullerton, Calif. PLAGGE, Vernon L. (G) Westinghouse Electric Corp. Bloomfield, N. J. PLANJE, Christian W. (SFI) Gladding, MeBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. PLANJE, Theodore J. M. (B) 4 Summit Ave., Rolla, Mo. (Missouri School of Mines) PLANKENHORN, William J. (EFI) Chicago Vitreous Corp. 1427 S. 55th Ct. Cicero 50, 111. PLATT, Allan S. (S) Structural Clay Products Institute 1947 Grand Central Terminal Bldg. New York 17, N. Y. PLATT, James (S) Structural Clay Products Institute 2556 Clearview Ave., N. W. Canton, Ohio PLATTS, Dennis R. Box 1399, Alfred, N. Y. PLEASANTS, Luther E,, Jr. (G) 6002 Brookfield Rd., Richmond, Va. (Allied Chemical Corp.) PLESSINGER, Clyde B. (S) Box 665, Lindale, Texas (Reliance Clay Products Co.) PLOETZ, Edwin C. H. (El) 8151 Hillcrest Dr. Wauwatosa 13, Wise. (A. O. Smith Corp.) PLOETZ, George L. (R) 261 Swaggertown Rd., Scotia 2, N. Y. (General Electric Co.) PLUM, Russell V. (R) H I C A, Inc., Box 6065 Shreveport, La. PLUMBO, Victor A. (G) General Glass International, Inc. 5 S. Virginia Ave. Atlantic City, N. J. PLUMMER, Harry C. (SF) Structural Clay Products Institute 1520 18th St., N. W. Washington 6, D. C. PLUMMER, Norman (S) State Geological Survey of Kansas Lawrence, Kans. PLUMMER, William A. (G) Corning Glass Works, Corning, N. Y. PLUNKETT, Jerry D. 78 Westgate, Cambridge 39, Mass. PLSCH, John A. (W) 63 Spruce St., Westfield, Mass. (Cortland Grinding Wheels Corp.) POFFENBERG, Scott (M) 11616 Chenault St. Los Angeles 49, Calif. (Aluminum Silicates Co.) POHLE, Joachim H. P. (RJ) Corhart Refractories Co., Inc. 940 Commonwealth Bldg. Louisville 2, Ky. POISSON, Louis Faiencerie de Badonviller Badonviller, Meurthe et Moselle, France POLAND, Milton E. (WI) 203 W. LaSalle, Royal Oak, Mich. (Champion Spark Plug Co.) POLAR, Alfredo (WI) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. POLE, Gordon R. (BFI) 2592 S. Shore Blvd. White Bear Lake 10, Minn. (Minnesota Mining & Mfg. Co.) POLES, Alfred P. (W) 85 W. Afton Ave., Yardlev, Pa. (Clifton Ceramic Mfg. Co.) POLHEMUS, D. W. (R) Carborundum Co. Perth Amboy, N. J. POLK, Arthur E. (W) R. R. 1, Dowagiac, Mich. (Produce Terminal Corp.) POLSON, John B. (RJ) 724 Riverview Dr. North Augusta, S. C. (Babcock & Wilcox Co.) POMEROY, William T. (W) Sterling China Co. East Liverpool, Ohio POMPEI, Luigi Via Assarotti 17, Genova, Italy ( Consultant) POOLE, James P. (G) Brockway Glass Co.. Inc., Plant 2 Brockwav. Pa. PORCELAIN PRODUCTS, INC. (Fredrick A. Rose) Box 830 Parkersburg, W. Va. R oster 87 ORST, Edward G. (EI) 1418 Stonewood Rd., Baltimore 12, Md. (Pemco Corp.) ORTER, Bernard (R) Kaiser Aluminum & Chemical Corp. Reduction Group, Permanente, Calif. O B R , Frank R. (EF) Clark St., Crown Point, Ind. ^ ^ H n d Steel Co.) OkTCr , J. L. (B) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland 12, Calif. ORTER, John N. (M) B. F. Drakenfeld & Co. Inc. Box 519, Washington, Pa. ORTER, Wallace S. (W) Universal-Rundle Corp., Box 188 Hondo, Texas ORTS, David W. (R) 3647 W. '68th St., Chicago 29, 111. (General Refractories Co.) OSEY IRON WORKS, INC. (James K. Martin) Brick Machinery & Mixer Div. Lancaster, Pa. OSLUSZNY, Raymond F. (R) 242 E. Meehan Ave. Philadelphia 19, Pa. ' (Refractory Specialties Co.) DST, Benjamin F. (MI) Golding-Keene Co. 1401 New York Ave., Trenton 8, N. J. OST, Glenn I. Box 1133. Alfred, N. Y. OST, Zarr A. (L) 5020 Elm St., Bethesda. Md. (Melpar, Inc.) OSTE, Emerson P. (EFI) Box 4051, Chattanooga 5, Tenn. (University of Chattanooga) OSTLEWAITE, Donald E. (WI) Universal-Rundle Corp., Box 300 Redlands, Calif. OTTER, Alan (EJ) lo tiioonnal Bureau of Standards neled Metals Section Om^l^^W^ iRi i,n g to n 25, D. Charles (G) C. Amersil Quartz Div. Engelhard Industries Co. 685 Ramsey Ave.. Hillside. N. J. OTTER, John F. (W) Bell Telephone Lab. Murray Hill. N. J. OTTERS SUPPLY CO. (William W. Irwin) 11 Washington St. East Liverpool, Ohio OTTIER, Henri Cie. Generale d'Electro-Ceramique 12 Rue de la Baume, Paris 8*, France OTTINGER, R. (W) Vitachrome, Inc., 421 E. Sixth St. Los Angeles 14, Calif. OTTS, Amos P. (SF) 359 E. Main St., Logan, Ohio (Logan Day Products Co.) OULOS, Nick E. (B) Georgia Institute of Technology Engineering Experiment Station Atlanta 13, Ga. OULTON, Robert F. (W) 2763 N. Congress Rd., Camden 4, N. J. (Universal-Rundle Corp.) DUNDSTONE, William W. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. OWELL, H. Eugene (G) 1061 Michigan Ave., Maumee, Ohio (Kimble Glass Co.) OWELL, Joe A. Old Hickory Clay Co. ^ ^ ^ ^ 2 7 1 , Paducah, Ky. John A. (L) ; West End Ave., Lancaster, Pa. (Radio Corp. of America) QWELL, Lee F. (M) Old Hickory Clay Co. Box 271, Paducah, Ky. OL. 37, No. 10 (1958) POWELL, O. E. (S) Indiana Drain Tile Co., Inc., Box 66 Brooklyn, Ind. POWELL, Richard H. (M) 1279 N. Main St., Jamestown, N. Y. POWERS, Don W. - 1201 Highland Ave., Abilene, Texas POWERS, George H. (R) Norton Co., Refractories Div. Worcester 6, Mass. POYNOR, T. Wythe (S) Acme Brick Co., Box 1278 Oklahoma City, Okla. POZNIAK, Boris W. (S) Pecora, Inc., 300-400 W. Sedgley Ave. Philadelphia 40, Pa. POZZANGHERA, Sam A. (G) Bausch & Lomb Optical Co. 635 St. Paul St., Rochester 2, N. Y. PRACHANKHADEE, Manoon Dept, of Science, Ministry of Industry Bangkok, Thailand PRADO, Faustino Monte 211, Habana, Cuba (NeoCeramica S. A.) PRALOW, Walter E. L. Schaffhauser Str. 5 (17b) Sackingen 'Hochrhein, Germany (Vita-Zahnfabrik H. Rauter K. G.) PRATT, Donald S. (E) 3440 40th St., San Diego 5, Calif. (Convair) PRECISION GRINDING W HEEL CO., INC. (Alexander M. Blakely) 8301 Torresdale Ave. Philadelphia 36, Pa. PRESCOTT, Frank R. (G) 1811 Kimball Ave., Arnold, Pa. (Pittsburgh Plate Glass Co.) PRESTON, Frank W. (G) Preston Labs., Inc. Box 149, Butler, Pa. PREWITT, J. K. (S) ' Elgin Standard Brick Mfg. Co. Elgin, Texas PRICE, Glen M. (R) General Refractories Co., Box 1673 Baltimore 3, Md. PRICE, James E. (RI) 1956 Guernsey Ave., Abington, Pa. (Simonds Abrasive Co.) PRICE, J. Russell (D) "Fairmeadows" Box 211, R. R. 3 Esmond 17, R. I. (Doulton & Co., Inc.) PRIDDY, K. O. (S) Barium Reduction Corp. South Charleston 3, W. Va. PRIESTLEY, J. Edward Huntly Brick & Fireclay Co., Ltd. Box 14, Huntly, New Zealand PRIMM, Herbert E. (R) 423 Parker Ave. San Francisco 18, Calif. (Gladding, McBean & Co.) PRINCE, Alan T. (BI) Mines Branch, Ottawa. Ont., Canada PRINDLE, William R. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. 15th & Jacob Sts., Wheeling, W. Va. PRIOR, Gordon M. (M) 200 W. Third St., Plainfield, N. J. (Specialized Ceramics Corp.) PRIOR, Harold D. (RI) Chas. Taylor Sons Co. Box 58, Annex Sta. Cincinnati 14, Ohio PROCTOR, Charles W. (E) 6538 Donjoy Dr., Cincinnati 42, Ohio (General Electric Co.) PROCTOR, W. J., Jr. (B) Southern Clays, Inc., Gordon, Ga. PROKOPEC, Robert (G) 309 N. Tillotson Ave., Muncie, Ind. (Ball Bros. Co., Inc.) PROKOPOWICZ, Thomas I. (LJ) 33 Johnson St., North Adams, Mass. (Sprague Electric Co.) PUCKETT, John P,, Jr. (G) Leeds & Northnip Co. 4901 Stenton Ave., Philadelphia 44, Pa. PUERTO RICO CLAY PRODUCTS CORP. (Oscar Gonzalez Cabanillas) Box 4729 San Juan, Puerto Rico PULLIAM, George R. (B) Douglas Aircraft Co., Inc. C-250 Adv. Des. Sect. Lakewood Blvd., Long Beach 1, Calif. PULS, George (R) Acme Brick Co. Box 425, Fort Worth, Texas PULS, Josef "Austria" United Enamel Works Wilhelminenstr. 80 Vienna 107, Austria PUMPHREY, William I. Murex Welding Processes Ltd. Hertford Rd. Waltham Cross, Herts, England PUNTNEY, L. E. (RI) 908 E. Jackson, Mexico, Mo. (Mexico Refractories Co.) PUPULIDY, Alexander (R) 3100 S. Michigan Ave. Chicago 16, 111. (Armour Research Foundation) PURINGTON BRICK CO. (R. L. Worcester) Box 110, Galesburg, 111. PURNELL, Hugh J. (R) 825 RoSlyn Ave., West Chester, Pa. (Service Engineer) PYNER, Alfred D. (W) Southern California Minerals Co. 320 S. Mission Rd. Los Angeles 33, Calif. PYRO REFRACTORIES CO. (A. C. Sanger) Box 488, Oak Hill, Ohio Q QUIGLEY CO,, INC. (R. J. Demaison) 415 Madison Ave., New York 17, N. Y. QUINN, Joseph J., Jr. (L) Bowen Engineering, Inc. North Branch, N. J. QUIRK, John F. (L) Battelle Memorial Institute 505 King Ave., Columbus, Ohio QUIRK, Virgil P. (B) 1910 Wink Ct., Owensboro, Ky. (Westinghouse Electric Corp.) QUISTGAARD, Walter F. (L) 2031 N. Bedford Rd. Spring Lake, N. J. (Leonard Electric Products Co.) R RABAGO, Arturo (G) Apartado Postal 183 Orizaba, Ver., Mexico (Cerveceria Moctezuma S. A.) RABCHUK, Alexander (R) Kerr Manufacturing Co. 1111 E. Milwaukee, Detroit, Mich. RABIN, William J. (L) 19A-1 Redfield Village Metuchen, N. J. (National Moldite Co.) RACHWAL, Chester A. (R) 10995 W. 23rd Ave., Denver 15, Colo. (Coors Porcelain Co.) RADCZEWSKI, Otto-Ernst Institut fur Gesteinshuttenkunde Mauerstrasse 5, Aachen, Germany RADIO MATERIALS CORP. (C. M. McIntosh) 3325 N. California Ave. Chicago 18, 111. RAGATZ, Eugene C. (L) Allen-Bradley Co. 136 W. Greenfield Ave. Milwaukee 4, Wise. R oster 89 I jGON, Frank C. (G) Owens-Illinois Box 1019, Oakland 4, Calif. IE, Villem (G) Box 33, Eightyfour, Pa. (Continental Can Co., Inc. H^fiLAtlas Glass Div.) J. (W) Manufacturing .Co. 41 Seymour Ave. Cincinnati 16, Ohio NE, Frank F. (RI) 111 E. Vine St., Mexico, Mo. (Mexico Refractories Co.) NEAR, John F. (SI) 68 Rainbow Terr. Orchard Park, N. Y. . (Buffalo Brick Corp.) NEY, Edwin Q. 48 Park Lane X. E., Atlanta 9, Ga. T, J. R. Briton Ferry Steel Co. Ltd. Briton Ferrv, Glamorganshire, Wales -STON, O. C. (MF) 4333 Clagett Rd., Hyattsville, Md. (Consultant) -STON, Thomas E. (R) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. VfM, Eric H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth, West Australia dSDEN, C. E. C. E. Ramsden & Co. Ltd. Foley Colour & Chemical Works Fenton, Stoke-on-Trent, England USEUR, Arthur, Jr. Box 1480, Georgia Tech. Sta. Atlanta, Ga. MSEY, Thomas H,, Jr. (LJ) 1615 Homewood PI., Dallas, Texas (Texas Instruments, Inc.) MTITE CO. (Louis J. Jacobs) 2563-W. 18th St., Chicago 8, 111. Theodore A. (D) S^^^Blniversify of New York C ^ ^ e of Ceramics, Alfred, N. Y. VDOLPH, Hal F. (R) Mexico Refractories Co. Mexico, Mo. NDOLPH, Robert L,, Jr. (LJ) 202 Arrow Dr. Signal Mountain, Tenn. (American Lava Corp.) MKIN, James J. (M) St. Joseph Lead Co.. Box 97 Monaca, Pa. VKINE, Adam S. (R) Martinsville, N. J. (Johns-Manville Corp.) NSOM, John T. (B) E. I. du Pont de Nemours & Co., Inc. Experimental Station Wilmington, Del. PP, Carl H. (LI) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. PP, H. W,, Jr. (W) Morton Pottery Co. 315 W. Jefferson St., Morton. 111. SE, Daniel E. (B) State University of New York College of Ceramics, Alfred, N. Y. SMUSSEN, R. K. (G) Mississippi Glass Co. Box 609. Fullerton, Calif. SMUSSEN, Wayland G. (S) Mason City Brick & Tile Co. 200 Brick & Tile Bldg. Mason City, Iowa SSNER, Donald D. (SI) 1014 Longbrook Dr., Jasper, Ala. * Corp.) " E, Harry J. (M) , . --n ic e St., Trenton, N. J. .(Unique Kilns of Trenton, Inc.) TLIFFE. Temple W. (Rl 244 Buffalo St., Beaver, Pa. -(Babcock & Wilcox Co.) SS :- &37, No. 10 (1958) RATHMANN, Clyde L. (G) Corning Glass Works, Corning, N. Y. RAUCH, Harry W. (GI) 342~Spring Lane, King of Prussia, Pa. (Foote Mineral Co.) RAY, Donald L. * R. R. 1, Kenova, W. Va. RAY, E. Harold (M) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. RAY, John G. (G) Sylvania Electric Products, Inc. 75 Svlvan St., Danvers, Mass. RAYTHEON MANUFACTURING CO. (Leonard Lesensky) Foundry Ave., Waltham 54, Mass. RAZEY, Robert M. (R) 486 Ashland Ave., Detroit 15, Mich. (Great Lakes Steel Corp ) REA, Robert F. (WI) Champion Spark Plug'Co. Ceramic Div. 8525 Butler Ave., Detroit 11. Mich. REAGAN, Cornelius J. (S) 532 Woodmont St. East McKeesport, Pa. (Van Ormer Brick Co.) REAGAN, Michael M. (E) Stamped & Enamelled Ware Ltd. Guelph Ave., Hespeler, Ont., Canada REARDON, Daniel E. 29 N. Buffalo Ave., Ventnor Citv. X. J. RECNY. Frank G. (L) General Electric Co. Specialty Electronic Components Dept. 1811 LeMovne Ave., Syracuse, N. Y. REDWINE, Richard H. 115 Woodburn Rd., Raleigh, N. C. REED, A. J. (S) National Clay Pipe Mfgrs., Inc. Box 194, 350 W. Terra Cotta Ave. Crvstal Lake, 111. REED, Carl E. (G) 1410 E. Main St., Lancaster, Ohio (Sharp-Schurtz Co.) REED, George C , III (BJ) 54644 N. 28th St., South Bend 15, Ind. (Bendix Aviation Corp.) REED, Leonard (B) Kaiser Aluminum & Chemical Corp. 1600 S. Main St., Milpitas, Calif. REED, Madison W,, Jr. (BJI) Electric Storage Battery Co. Research Center, Yardlev, Pa. REED, Paul H. (R) 310*/i Fairmont Ave., New Castle, Pa. (New Castle Refractories Co.) REES, Glenn H. 41 Hilltop Trailer Park State College, Pa. REEVES, Harold, Sr. (W) Fitzpatrick Industries, Inc. Box 30, East Palestine, Ohio REFRACTORIES INSTITUTE, THE (Avery C. Newton) First National Bank Bldg. Pittsburgh 22, Pa. REFRACTORY & INSULATION CORP. (A. S. Arwine) Port Kennedy, Pa. REGENBRECHT, Albert, Jr. (G) Sylvania Electric Products, Inc. Special Tube Div., E. Third St. Williamsport, Pa. REGOUT, Joseph F. E. N. V. de Sphinx, Maastricht, Holland REHM, Walter E. (RJ) U. S. Army ACAN Receiving Station Middletown, Calif. REID, Frank P. American Ceramic Society 4055 N. High St., Columbus 14, Ohio REID, P. S. Borax Consolidated Ltd. Borax House, Carlisle PI. London S. W. 1, England REIMER, John J. (WI) Keystone Ridgeway Corp. Gettysburg, Pa. REIN, Peter (W) 1746 W. Sycamore, Kokomo, Ind. (Kokomo Sanitary Pottery Corp.) REINKER, Arthur G. (R) Johns-Manville Sales Corp. 1530 Guildhall Bldg. Cleveland 15, Ohio REINKER, Gerald E. (G) General Electric Co., Lamp Div. 1133 E. 152nd St., Cleveland 12, Ohio REISCHEL, Frank (W) 2733 Mayflower, Arcadia, Calif. (Dilectron Inc.) REISING, Joseph A. (M) St. Joseph Lead Co., Zinc Smelting Div. Monaca, Pa. REISS, Max S. (E) 39 Highland Terr. Canandaigua, N. Y. (Lisk-Savory Corp.) REMDE, Harry F,, Jr. (L) 26 Norwood Ave., Plainfield. X. J. (General Ceramics Corp.) REMINGTON, Victor H. (GFI) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. REMMEY, G. Bickley (RFI) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. REMMEY, John G. (R) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. REMMEY, RICHARD C., SON CO. (G. Bickley Remmey) Hedley St. & Delaware River Philadelphia 37, Pa. REMPES, Paul E., Jr. (BI1 3903 Custer Ave., Royal Oak, Mich. (Champion Spark Plug Co.) RENFREW, J. Harvey (S) 31 Linden Park St., Roxbury 20, Mass. (Herman G. Protze) RENOUF, Leonard J. (R) 342 Church St., Youngstown, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) RENSKERS, Richard H. (WI) American-Standard Box 736, Kokomo, Ind. REPLOGLE, D. E. (L) Electronic Mechanics, Inc. 101 Clifton Blvd., Clifton, N. J. REPUBLIC STEEL CORP. (Burton Longwell) 1420 Republic Bldg. Cleveland 1, Ohio RESCHETZ, Raymond R. 1648 W. Forest, Decatur, III. RESER, Margie K. (I) 977 Carlisle Ave., Columbus 24. Ohio (American Ceramic Society) RESTREPO, Ramiro 10-17 Beatty Ave., Cambridge, Ohio REUNING, Charles R. (R) 545 Boulevard, Westfield, N. J (National Refractories Div. Mexico Refractories Co.) REUNING, George W., Jr. (RI) 874 Newport Dr., Pittsburgh 34, Pa. (National Refractories Div. Mexico Refractories Co.) REUSCHE, Frank L. (W) 60 Congressional Pky. Livingston, N. J. (L. Reusche & Co.) REUTER, Raymond (R) National Aluminate Corp. 6216 W. 66 PI.. Chicago 38, 111. REYNOLDS, Harry M. (G) Renite Co., Box 8065 Columbus 1, Ohio REYNOLDS METALS CO. (L. S. Beeler) Richmond 18, Va. RHOADS, James L. (L) 1410 Springside Dr., Lancaster, Pa. (Radio Corp. of America) R oster 91 ODES, Donald E. (B) Mallinckrodt Chemical Works Hematite, Mo. ODES, Foster T. (W) Onondaga Pottery Co. Fayette St., Syracuse 4, N. V. Frank R., Jr. (RJ) r.ightsboro Rd., Augusta, Ga. ick & Wilcox Co.) ODES, Fraser B. (WFI) 7134 Maple Ave. Cincinnati 43, Ohio (Briggs Manufacturing Co.) ODES, Ralph E., Jr. (M) United Clay Mines Corp. 101 Oakland St., Trenton 6, N. J. ODES, Ralph R. (RFI) 1729 Powell St., Norristown, Pa. (E. J. Lavino & Co.) ODES, Lt. William H. (RJ) 04084837, COB 538th Engr. Bn. Fort Knox, Ky. OTOX, Donald G. (M) Eagle Grinding Wheel Co. 2519 W. Fulton St., Chicago 12, 111. Cl, Edward Michael (RJI) 817 Main St., Dickson City, Pa. (Harbison-Walker Refractories Co.) IE, Hal H. (WI) 451 Vinewood Ave. Birmingham, Mich. (General Motors Corp.) IE, Murray J. (B) Box 155, Alfred, N. Y. (State University of New York, College of Ceramics) :H, David C. (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. 1HARD, Giulio A. Via Cernuschi 1, Milano, Italy eta Ceramica Richard-Ginori) IS , Robert W. (S) rds Brick Co. 234 Springer, Edwardsville, 111. )HARDSON, Chauncey A. 3032 Market St., #6, Seattle 7, Wash. IHMOND, Joseph C. (E F I) 4822 Morgan Dr., Chevy Chase 15, Md. (National Bureau of Standards) -'HTER, A. J. (S) Tuthill Building Material Co. 545 E. 103rd St., Chicago 28, 111. IHTER, Charles J. (G) Box 275, Canfield, Ohio (Glass Engineer, Inc.) IK, Clarence A. (R) 320 W. Park Ave., Columbiana, Ohio (Kaiser Aluminum & Chemical Corp.) IKER, Richard W. (E l) Aluminum Co. of America Alcoa Research Labs., Box 772 New Kensington, Pa. . IKEY, Charles J. (MJI) B. F. Drakenfeld & Co., Inc. -Box 519, Washington, Pa. IKEY, J. H., Tr. (R) fronton Fire Brick Co. Box 536, Ironton, Ohio >DLE, Frank H. (Honorary, WFI) .14 Upland Rd., Colorado Springs, Colo. '(Champion Spark Plug Co., Ceramic Div.) JDLE, James E. 5 Williams Dr., Greenville, S. C. X5EWAY, Thomas J., Jr. (R) 304 Romayne Ave., Joliet, 111. CQflggral Refractories Co.) Zoltn (B) can Electro Metal Div. , Sterling, Inc. #20 Yonkers Ave., Yonkers, N. Y. SGERT, Richard P. (BI) JQ06 Mercer St., Ojai, Calif. (Servomechanisms, Inc.) 37, No. 10 (1958) & RIEPER, Gerald (W) 5335 Flint Ct. Indian Heights, Kokomo, Ind. (American Radiator & Standard Sanitary Corp.) RIGBY, George R. (R) Canadian Refractories Ltd. Kilmar, Que., Canada RIGBY, James E. (G) Blue Ridge Glass Corp. Kingsport, Tenn. RIGTER1NK, Merle D. (LF) Bell Telephone Labs. Murray Hill, N. J. RIIS, 'Asgeir (M) Robeson Process Co. Box 960, Erie, Pa. RIKER, Leon W., Jr. (G) Box 252, Manorville, Pa. (Pittsburgh Plate Glass Co.) RILEY, Roger R. (R) Gladding, McBean & Co. Box 630, Pittsburg, Calif. RILEY, William C. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio RINDONE, Guy E. (G) Department of Ceramic Technology Pennsylvania State University University Park, Pa. RINEHART, Dale W. (G) 1420 Union Ave. Natrona Heights, Pa. (Pittsburgh Plate Glass Co.) RINGEN, Robert E. (M) Paul O. Abbe, Inc., 400 Center Ave. Little Falls, N. J. RISEDEN, O. D. (L) 2923 Nurick Dr., Chattanooga, Tenn. (American Lava Corp.) RISPLER, Z. W. Palestine Glass Works "Phoenicia" Ltd., Box 168 Haifa, Israel RITLAND, Harold N. (G) 2553 156th Ave., S. E., Bellevue, Wash. (Boeing Airplane Co.) RITT, P. E. (W) 910 Hillcrest Dr., Vienna, Va. (Melpar, Inc.) RITTER, Joseph S. (G) Adamston Flat Glass Div. Rolland Glass Co., Box 631 Clarksburg, W. Va. RITTLER, Hermann L. (GI) 1 Meadowbrook Apts., Corning. N. Y (Corning Glass Works) RITZ, Joseph W. (G) Sylvania Electric Products, Inc. 1891 E. Third St., Williamsport. Pa. ROACH, Carlton (G) Adamston Flat Glass Div. Rolland Glass Co. Box 631, Clarksburg, W. Va. ROACH, H. C. (R) American Radiator & Standard Sanitary Corp. 40 W. 40th St. New York 18, N. Y. ROACH, Wilfred H. (G) 112 Renwick Lane, Horseheads, N. Y. (Westinghouse Electric Corp.) ROBB, Richard B. (R) 242 Rockingham Rd. Pittsburgh 38, Pa. (United States Steel Corp.) ROBBINS, Carl R. (B) National Bureau of Standards Div. 9.3. Washington 25, D. C. ROBBINS, David (R) 1929 Summerland St. San Pedro, Calif. (Aerojet-General Corp.) ROBBINS, Martin D. (RJ) 135 W. 56th St., New York 19, N. Y. (Chemical Engineering) ROBERTS, John Taggart (EFI) 419 Park Blvd., Glen Ellyn, 111. (Ingersoll-Humphryes Div., Borg-Warner Corp.) ROBERTS, John W. (S) Southern Lightweight Aggregate Corp. Box 9138, Richmond 27, Va. ROBERTS, Mervin Francis (El) 11 Plymouth PI., Gedney Sta. White Plains, N. Y. (Irco Corp.) ROBERTSON, Glenn D. (L) 16133 Alcima, Pacific Palisades, Calif. (Hughes Aircraft Co.) ROBERTSON, James A. (R) Food Machinery & Chemical Corp. Box 8, Princeton, N. J. ROBERTSON, John M. (E) 3008 Rosedale Blvd., Louisville 5, Ky. (American Radiator & Standard Sanitary Corp.) ROBERTSON, Leon F. (G) Brockway Glass Co., Inc., Brockway, Pa. ROBERTSON, R. Kenneth (S) Laprairie Brick & Tile, Inc. 906 Shell Tower Montreal, Que., Canada ROBESON PROCESS CO. ('Asgeir Riis) Box 960, Erie, Pa. ROBILLARD, Harvey J. (R) Exolon Co., 1000 E. Niagara St. Tonawanda, N. Y. ROBINETTE, Oren, Jr. 620 S. Washington St., Kokomo, Ind. ROBINSON CLAY PRODUCT CO. (W. E. Robinson) Box 1070 65 W. State St., Akron 9, Ohio ROBINSON, David W. (M) Zonolite Co. Box 607, Libby, Mont. ROBINSON, Donald R. (W) Tile Council of America, Inc. Research Center, Box 326 Princeton, N. J. ROBINSON. F. George (S) 500 S. Santa Fe Dr., Denver, Colo. (Robinson Brick & Tile Co.) ROBINSON, Gilbert C. (XF) Box 91, Clemson, S. C. (Clemson College) ROBINSON, Louis G. (E) Louis G. Robinson Labs. Box 761, Cincinnati 1, Ohio ROBINSON, Neal (S) Robinson Ventilating Co. Zelienople, Pa. ROBINSON, Percy Burrill Diamond Clay Co. Ltd. Hartshill, Stoke-on-Trent, England ROBINSON, Phillip 23 Pymble Ave. Pymble, N.S.W., Australia (Gallard & Robinson Pty. Ltd.) ROBINSON, Richard E. (RI) Johns-Manville, Zelienople, Pa. ROBINSON, Richard R. (SI) 2232 Parkway Blvd., Alliance, Ohio (Alliance Clay Product Co.) ROBINSON VENTILATING CO. (J. L. Henderson, Jr.) Zelienople, Pa. ROBINSON, W. E. (S) Robinson Clay Product Co. Box 1070, 65 W. State St. Akron 9, Ohio ROBINSON, William L. (R) 730 E. Garfield Ave., Glendale, Calif. (Gladding, McBean & Co.) ROBSON, H. L. (D) 165 S. Water St., Lewiston, X. Y. (Olin Mathieson Chemical Corp.) ROBSON, James T. (MFI) Allied Engineering Division Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio ROBSON, Thomas D. Lafarge Aluminous Cement Co. Ltd. 73 Brook St., London W. 1, England ROBSON, William G. (B) Atomics International 21600 Vanowen, Canoga Park, Calif. Roster 93 ; h e , l . c . (GF) Maryland Glass Corp. 2147 Wicomico St., Baltimore 30, Xld. CHESTER, Thomas W., Jr. (G) 210 Delevan Ave., Corning, N. Y. (Corning Glass Works) D, David S. ntral Ave., Schenectadv. X. Y. W. F. (RF) Harbison-Walker Refractories Co. 307 Fifth Ave., Pittsburgh 22, Pa. CKFORD BRICK & TILE CO. (G. H. Galvin, Jr.) Rockford, Iowa DEFER, Howard H. (G) ' Rodefer-Gleason Glass Co. Box 550, Bellaire, Ohio DGER, John K. L. G. Sparking Plugs Ltd. Putney Vale London S. W. 15, England DGERS, Nisbet P. (W) Mid-State Tile Co. Box 169, Lexington, X. C. DMAN, Clarence J. (F.) 1315 S. Union Ave., Alliance, Ohio (Alliance Ware, Inc.) DRIGUEZ, Alfonso F. (G) Vidriera Monterrey, S. A. Apartado 162, Monterrey, N. L., Mexico DRIGUEZ. A. R. (LI) 29 Pine St.. Franklinville, N. Y. (Hi-Q Div.. Aerovox Corp.) DRIGUEZ, Juan M. Calle 11 esq 18, Santiago de las Vegas La Habana, Cuba E, Lawrence A. (G) 712 Moffett Rd.. Lake Bluff, 111. (International Minerals & Chemical Corp.) E, Richard F. (W) 3462 Roseland Ave. Parkersburg, W. Va. (Porcelain Products, Inc.) idon F., Jr. (GJ) 1er Glass Mfg. Co. N. Y. FF, Robert W. (M) Bell Operations 433 Birch PI., Westfield, N. J. FF, W. Wallace (M) 14 Glenside Dr., West Orange, N. J. (Whittaker, Clark & Daniels, Inc.) 'GATZ, Alvin (L) Maida Development Co. 214 Academy St., Hampton, Va. GERS, Edwin J. (WI) Diamonde Products Mfg. Co. Shreve, Ohio GERS, Gregory L. (R) .9500 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) >GERS, John W. (G) Ladede-Christy Works, Refr. Div. H. K. Porter Co. .2064 Hampton Ave., St. Louis 10, Mo. GERS, Melvin F. (GI) !55 Goff St., Corning, N. Y. (Corning Glass Works) GERS, Virgil L. (S) Hebron Brick Co., Hebron, N. D. GERS, William O. .732 Paseo Grande, San Lorenzo. Calif. GERS, William R. (R) Carborundum Co., Bristol, Pa. fl-KE, Herbert J. (I) ; Sociedade de Engenharia Industrial Rua Marconi, 23,8* andar Sao Paulo, Brazil ^ L E R , Eugene L. (R) M^fctmpus Dr., Buffalo 26. N. Y. I ^ ^ B c to r y & Insulation Corp.) Pasquale J. (WI) |P 1 2 Cavalier Ln., West Chester, Pa. Iljo o te Mineral Co.) $MNE. Donald J. 1S. Monroe St., West Frankfort, III. |*7, No. 10 (1958) ROOD, Joseph L. (G) 56 Farnsworth Rd. Rochester 23, N. Y. (Bausch & Lomb Optical Co.) ROONEY, Thomas E., Ill _(Kj Empire Fire Brick Co.* 219 Murray, Fort Wayne, Ind. ROOT, H. Dean (BI) W'estinghouse Electric Corp. Ceramics Section 7325 Penn Ave., Pittsburgh 8, Pa. ROOT, Lawrence L. (M; Stanford Pottery Infc. 40 S. 15th St., Sebring, Ohio ROOT, W. E. (S) 131 Mulberry St., Plymouth, Ohio (Fate-Root-Heath Co.) ROQUES, Rodney A. (W) 413 Boyd St., Golden. Colo. (Coors Porcelain Co.) ROSABAL, Felix A. ' Box 624, Georgia Tech. Atlanta 13, Ga. ROSE, Fredrick A. (W) Porcelain Products, Inc. Box 830, Parkersburg. W. Va. ROSE, Ralph (RI) H. K. Porter Co., Inc., Refr. Div. Porter Bldg., 601 Gram St. Pittsburgh 19, Pa. ROSENTHAL, E. K. (W) 234 Napoleon St. Playa Del Rey, Calif. (Metlox Mfg. Co.) ROSENTHAL, Ernst 4 Vincent Ct., Seymour PI. London W. 1, England tRosenthal China (London) Ltd.) ROSENTHAL, J. Jesse (LJ) 3245-A Walnut St., Los Alamos, N. M. (Los Alamos Scientific Lab.) ROSENWINKEL, George O. (R) 3N 509 Howard Ave., Elmhurst, 111. (North American Refractories Co.) ROSENZWEIG, Herman (G) Texglass, Inc., Decatur, Texas ROSICLARE LEAD & FLUORSPAR MINING CO. (J. Blecheisen) Rosiclare, III. ROSLUND, J. A. (R) Globe Brick Co., Box 765 East Liverpool, Ohio ROSS, Donald W. (RFI) 5929A Oakhurst PL, St. Louis 12, Mo. (Consultant) ROSS, Frederick J., Jr. (R) Carborundum Co., Buffalo Ave. Niagara Falls, N. Y. ROSS, Howard, II (E) 7215 Hague Ave:, Apt. 6 Cleveland 2, Ohio (Ferro Corp.) ROSS, Stuart T. (B) 901 Brooklawn Rd. Birmingham, Mich. (Chrysler Corp.) ROSSING, Barry R. Box 1396, Alfred, N. Y. ROSS-TACONY CRUCIBLE CO. (A. M. Johnson) Robbins & Milnor Sts. Philadelphia 35, Pa. ROTH, Harper D. (M) 5534 E. River Rd. Grand Island, N. Y. (Harper Electric Furnace Corp.) ROTHERMEL, Joseph J. (G) Coming Glass Works, Corning. N. Y. ROUDABUSH, Henry L. (R) General Refractories Co. 3201 Fruitland Ave. Los Angeles 58, Calif. ROUDABUSH, Ned W. (R) 112 Irwin Ave. Ben Avon, Pittsburgh 2, Pa. (H. K. Porter Co., Inc.) ROUP, Rolland (LFI) Centralab Div., Globe-Union Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. ROWE, Arnold E. (E) 1210 Dilworth Rd., Charlotte, N. C. (Douglas Aircraft Co.) ROWLAND, Davidge H. (WI) Porcelain Insulator Corp., Lima, N. Y. ROWLAND, Donald A. (B) 3 Maple St., Bath, X. Y. (Westinghouse Electric Corp.) ROWLAND, Richards A. (B) 3737 Bellaire Blvd., Houston 25, Texas (Shell Development Co.) ROWLAND, R. W. (BF) New Castle Refractories Co. New Castle, Pa. ROWLANDS, Robert R. (WI) Universal-Rundle Corp. Box 300, Redlands, Calif. ROY, H. N. Indian Ceramic Society Dept, of Ceramics Benares Hindu Univ., Benares, India ROY, James W. (B) R. R. 1, Meadow Lane Glens Falls, N. Y. (General Electric Co.) ROY, N. C. Orissa Cement Ltd. 4 Dalhousie Sq., E., Calcutta 1, India ROY, Rustum (B) Pennsylvania State University 221 Mineral Sciences Bldg. University Park, Pa. ROYAL CHINA, INC. (B. L. Miller) Sebring, Ohio ' ROYAL COPENHAGEN PORCELAIN MANUFACTORY & THE FAIENCE MANUFACTORY ALUMINIA (Chr. Christensen) Smallegade 45 Copenhagen F., Denmark ROYAL, Herbert F. (WF) 845 Pilgrim Rd., Birmingham, Mich. (Champion Spark Plug Co.) ROYER, Rene Ingenieur-Conseil (E.C.P.) 60, Rue D'lssy, Vanves (Seine) France RUARK, A. E. (G) Atomic Energy Commission Research Div., Washington 25, D. C. RUDD, Richard D. (M) Carborundum Co. 3335 W. 47th St., Chicago 32, 111. RUE, Charles V. (BI) Box 166, R. R. 4, Tiffin, Ohio (Sterling Grinding Wheel Co.) RUECKEL, Walter C. (RF) Koppers Co., Inc., Koppers Bldg. Pittsburgh 19, Pa. RUFFNER, Larry J. (L) Jeffers Electronics Div. Speer Carbon Co. Hoover Ave., Du Bois, Pa. RUGG. Ormund I. (G) 13615 Meyers Rd., Detroit 27, Mich. (Ford Motor Co.) RUGGLES, Robert W., Jr. (XJ) Mill St., Manorville, Pa. (Pittsburgh Plate Glass Co.) RUGH, Kenneth A. (R) Garfield Refractories Co. Bolivar, Pa. RUH, Edwin (R) 789 Fruithurst Dr. Pittsburgh 34. Pa. (Harbison-Walker Refractories Co.) RUH, Robert (R) 162 Diana Ln., N., Fairborn, Ohio (Wright Air Development Center) RUIZ, Jorge Martin (R) Amerex Ingenieros, S-A., Ixtaccihuatl 6 (Insurgentes & Aguascalientes) Mexico 11, D. F. RUIZ. Robert A. (R) 114 W. Home St., Vandalia, Mo. (Walsh Refractories Corp.) RULON, Richard M. (G) Sylvania Electric Products, Inc. 60 Boston St., Salem, Mass. R oster 95 RT, Eugene L. - lissouri School of Mines ipt. E-4, Rolla, Mo. IMORE, Murray, Jr. (M) foore & Munger 3 Rector St., New York 6, N. Y. D^Mipe B. Habana, Cuba Glass Equipment Co.) DFF7Samuel (R) iasic, Inc. .laple Grove, Fostoria, Ohio SELL, Donald A., Jr. )ox 5515, Virginia Tech. Sta. Slacksburg, Va. SELL, Edward B. (L) !67 Madison Ave., Clifton, X. J. Silk City Tool & Machine Works, Inc.) SELL, George A., Jr. (R) Seneral Refractories Co. 1520 Locust St., Philadelphia 2, Pa. SELL, Howard F. (El) 3118 Woodworth PI. Pottowatomie Hills, Hazelcrest, 111. (Ingersoll Products Div., Borg-Wamer Corp.) SELL, Leslie A. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. 70 South St., Washington, Pa. SELL, Lewis E. 20 Kirk Close, Oxford, England (U. K. Atomic Energy Authority) SELL, Norman Keith (RI) 24 Longcorse Ln., Paoli, Pa. (Richard C. Remmey Son Co.) iSELL, P. N. (L) General Electric Co., Electronic Div. Electronics Park, Syracuse, N. Y. SELL, Ralston, Jr. (XFI) Dept, of Ceramic Engineering 126 Lord Hall, Ohio State University Columbus 10, Ohio ;S L t, Robert G. (G) Granville, Ohio ;-Corning Fiberglas Corp.) s t d e SS IRON CO., LTD. (H. Whitaker) Lawkholme Ln. Keighley, Yorks, England TLEDGE, Campbell, Jr. (G) Corning Glass Works, Corning, N. Y. \N , Joseph D. (G) 3018 Middlesex Dr., Toledo 6, Ohio (Libbey-Owens-Ford Glass Co.) AN, Larry D. 14538 26th N.E., Seattle, Wash. CKMAN, George E. (W) 3289 St. Clair Ave. East Liverpool, Ohio (Duncan Instrument Co.) DER, Robert J. 221 E. McCormick Ave., Apt. 2 State College, Pa. NDERS, Gerald F. (BI) National Bureau of Standards Div. 9.1, Washington 25. D. C. SHKEWITCH, Eugene (R) 322 Van Emburgh Ave. Ridgewood, N. J. (National Beryllia Corp.) BURI, Osamu Kaiden, Nagaoka-cho Otokuni-gun, Kyoto, Japan (Murata Manufacturing Co., Ltd.) CHS, J. H. (M) Manufacturers Equipment Co. 218 Madeira Ave., Dayton 4, Ohio A. COMERCIO E INDUSTRIAS a Nosebese ko Noschese) Julio Ribeiro 243 Paulo, Brazil DLER, Arthur G. (R) Mines & Technical Surveys 'Mines Branch, 40 Lydia St. ^Ottawa, Ont., Canada ' >. 37, No. 10 (1958) SADLER, Walter L. 219 E. James St., Falconer, N. Y. SAENG-XUTO, Padermrata Box 2111, Georgia Tech. Sta. Atlanta, Ga. SAGINOR, S. V. (B) - Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. SAIBEL, Edward (G) Rensselaer Polytechnic Institute Troy, N. Y. SALDIXGER, Irwin . 119 S. Sweetzer, Apt. 2 Los Angeles 48, Calif. SALEEBY, Edward C. (S) J. C. Steele & Sons, Inc. Box 951, Statesville, N. C. SALES, Arthur T. Box 3996, Georgia Tech. Sta. Atlanta, Ga. SALINAS, Mario (G) Montes Carpatos 625 Mexico 10, D. F., Mexico (Vidriera Mexico, S.A.) SALISBURY, Charles W. (G) R. R. 1, Wayne, Ohio (Kimble Glass Co.) SALISBURY, William R. (W) Lyndon Rd., Fayetteville, N. Y. (Onondaga Pottery Co.) SALMANG, Herman Plenkershoven 23 Maastricht, Netherlands SALTMAN, Donald (W) 17709 Ibbetson, Bellflower, Calif. (Douglas Aircraft, Inc.) SAMMARONE, Americo, Jr. Sammarone S. A. Industria Ceramica Rua Jose Bonifacio 210 Sao Paulo, Brazil SAMMONS, Frederick C. (R) General Refractories Co. 3247 Fruitland Ave. Los Angeles 58, Calif. SAMPSON, H. B. (S) Athens Brick Co. Box 751, Tyler, Texas SAMPSON, J. Leonard (G) Mahoning Glass Works General Electric Co., 403 N. Main St. Niles, Ohio SAMPSON, John W. (M) Lindberg Engineering Co. Box 813, East Longmeadow, Mass. SAMSON, A. William (G) B. F. Drakenfeld & Co. Inc. Box 519, Washington, Pa. SAMUEL, Donald G. (R) E. J. Lavino & Co. Box 29, Norristown, Pa. SANDERS, Clyde A. (R) American Colloid Co. 5100 Suffield Ct., Skokie, 111. SANDERS, Herbert H. (D) 17926 Daves Ave., Los Gatos, Calif. (San Jose State College) SANDERS, Loren D. (WJI) 1233 Delaware Ave., S. W. Canton, Ohio (Ohio Brass Co.) SANDERSON, K. W. John G. Stein & Company, Ltd. Bonnybridge, Scotland SANDFORD, Per Johan Folke Chalmers Tekniska Hogskola Gibraltargatan 5J, Goteborg, Sweden SANDMEYER, Karl H. (RI) 85 Pleasantview Dr., Jamestown, N. Y. (Carborundum Co.) SANDS, George Imperial Smelting Corn. Avonmouth, Bristol, England SANFORD BRICK & TILE CO (James V. Isenhour) Colon, N. C. SANFORD, Elbert A. (E) 375 Oakridge Dr.. Rochester 17, N. Y. (Pfaudler-Permutit, Inc.) SANGER, A. C. (R) Pyro Refractories Co. Box 488, Oak Hill, Ohio SAN MIGUEL BREWERY, INC. (A. Villa-Abrille) 1112 Aviles Manila, Philippines SANNER, R. Dean R. R. 1, Argenta, 111. SANT, John W. (W) Sears, Roebuck & Co., Dept. 820 925 S. Homan Ave., Chicago 7, 111. SANTOMIER1, S. Lewis (RI) Ceramic Engineering Co. W. Railroad St., Botkins, Ohio SARAKAUSKAS, Raymond (B) National Carbon Co., Research Labs. Box 6116, Cleveland 1, Ohio SARGENT, Edward C. (R) Zirconium Corp. of America Solon, Ohio SARRAF, Edward M. (R) 20001 Laurel Ave. Rocky River 16, Ohio (Harbison-Walker Refractories Co.) SARVER, James F. 107 E. Aaron Dr., State College, Pa. SASAKI GLASS MFG. CO., LTD. (Seiichi Tabata) 1.1-Chome Yokokawa-Bashi Sumida-ku, Tokyo, Japan SASTRY, B. S. R. Regional Research Lab. Hyderabad, Deccan, India SAUEREISEN, C. Fred (W) Sauereisen Cements Co. Sharpsburg Sta., Pittsburgh 15, Pa. SAUEREISEN, Phil F. (L) Sauereisen Cements Co. 1045 N. Canal St., Pittsburgh 15, Pa. SAULS, J. B. (MI) 1415 New Jersey Rd., Lakeland. Fla. (International Minerals & Chemical Corp.) SAUMS, Harry L. (L) Anaconda Wire & Cable Co. Muskegon, Mich. SAUNDERS, Alfred C. (RI) Eckhardt Rd., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) SAUNDERS, Hollis S. (E) O. Hommel Co., Box 475 Pittsburgh 30, Pa. SAUNDERS, R. H. (S) Charleston Clay Products Co. Box 349, Charleston 22, W. Va. SAUNDERS, Stephen C. Findlay Clay Products Co. Box 517, Washington, Pa. SAUSVILLE, Joseph W. (R) Curtiss-Wright Corp., Quehanna. Pa. SAVELL, Fred H. (W) Western Talc Co. 1901 E. Slauson Ave. Los Angeles 58, Calif. SAVIOLI, Francesco SANAC, Via Martin Piaggio 13 Genova, Italy SAWAI, Ikutaro Kyoto University, Kyoto, Japan SAWYER, E. C. (M) Central Silica Co., 806 Market St. Zanesville, Ohio SAWYER, James P. (W) 713 Green Glen Dr., Du Bois, Pa. (Jackson China Co.) SAXE, Charles W. (R) 1 Wawecus Rd., Worcester 5, Mass (Norton Co.) SAXONBURG CERAMICS (George H. Aderhold) Box 100 Saxonburg, Pa. SCALES, John B. (BI) 4S6 Lynn Dr., Berea, Ohio (United States Stoneware Co.) SCALES, Ralph B. (W) 3355 Lapland Dr., Cincinnati 39, Ohio (Cambridge Tile Mfg. Co.) R o st e r 97 IAA, Ferdinand A., Jr. (W) C.F.l. Corp., Cottage FI. Mineola, N. Y. iAAL, Frank \V., Jr. (W) B. F. Drakenlcld & Co., lnc., Box 19 Washington, Fa. i j g k K E R , H. Eric (E) ^ ^ H tra m ic Arts Co. 3nB^V. 22nd St., Erie, Pa. rIAEFER, Carl F. (WF) 327 Sheffield Ave., Flint 3, Mich. (A C Spark Plug Div. General Motors Corp.; rIAEFER, Earl F. (G) 3129 Radford Dr., Toledo 14, Ohio (Owens-Illinois) rIAEFER, Earl F., II 102 E. Chalmers, Champaign, 111. HAEFER, William H., Jr. (R) 531 Pasadena Ave., Pittsburgh 21, Pa. (Crucible Steel Co. of America) HAEFLE, Max Pro Keramik, Burglistrasse 12 Wallisellen. Zurich, Switzerland HAER, Robert W. (R) E. J. Lavino & Co. 1819 Oliver Bldg., Pittsburgh 22, Pa. HAFER, C. B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio HANER, Burton E. (B) Westinghouse Electric Corp. Box 1468, Pittsburgh 30, Pa. HARFENAKER, William J. (R) National Steel Corp. Ecorse, Detroit 29, Mich. HATZKIN, Harvey (W) Architectural Tiling Co. Inc. Cass/Jackson Sts., Keyport, N. J. HAUSS, Edward P. (G) 3846 Corina Way, Palo Alto. Calif. (Kaiser Aircraft & Electronics Div., Kaiser Industries Corp.) iHEFFER, Karl D. (R) SMUlow Lane, Scotia 2, N. Y. ^ ^ ^ f tr a l Electric Co.) Donald C. (E) 6422 W. 28th St., Berwyn, 111. (Armour Research Foundation) 1HERBNER, Paul H. Box 826, Alfred, N. Y. 1HIEFFERLE, James A. (E) 4501 Statton Rd., Louisville 5, Ky. (General Electric Co.) 1HIENE, Quentin J. (R) 142 Fourth St., Chicago Heights, 111. (United States Steel Corp.) IHIFFERLI, Leo M., Jr. (R) 3001 Westmoor Dr., Kokomo, Ind. (Haynes Stellite Co.) 1HLAUDT, Kenneth L. Waskom, Texas IHLEGEL, Roland F. Rua Inglaterra 283, Sao Paulo, Brazil :H LEH R , W. Raymond (GI) Dearborn Glass Plant Ford Motor Co. Dearborn, Mich. CHLEYER, Walter L. (R) Philadelphia Quartz Co. Public Ledger Bldg. Independence Sq. Philadelphia 6, Pa. 2HLOEMER, Hermann Mineralog. Institution of Univ. Tuebingen, Bismarkstr. 50 Tuebingen, Germany CHLOTZHAUER, Leon R. (R) R.R. 2, Painted Post, N. Y. (Corning Glass Works) CHMID, Arthur W. (G) Arthur W. Schmid Co. Int vestment Bldg., 239 Fourth Ave. #_____burgh 22, Pa. C l ^ p i T , Beuther L. (R) Anchor Hocking Glass Corp. Lancaster. Ohio CHMIDT. William G. (S) Box 187, Burnt Hills, N. Y. (General Electric Co.) OL. 37, No. 10 (1958) SCHMUNK, Louis (W) 70 Dunedin Dr. Toronto 18, Unt., Canada (American Standard Products Ltd.) SCHNEIDER, LaVoy H. (E) 5 Maple Ct., Hamiltoir, Ohio (Ferro Corp.) SCHNEIDER, Matthew P., Jr. (S; 2648 Louisa St., Slidell, La. (St. Joe Brick Works, Inc.) SCHNEIDER, Richard R. Harbison-Walker Refractories Co. 1800 Farmers Bank'Bldg. Pittsburgh 22, Pa. SCHNEIDER, Samuel J.. Jr. (RI) 3338 Lancer Dr. West Hyattsville, Md. (National Bureau of Standards) SCHOENINGER, Irvin W. (LI) 5250 N. Shoreland Ave. Milwaukee 17, Wise. ' (Centralab Div., Globe-Union Inc.) SCHOENLAUB, Robert A. (B) Harrop Ceramic Service Co. Box 5338, Shepard Sta. Columbus 19, Ohio SCHOEPPEL, Norman (RI) 10 Elm Tree Dr., Mexico, Mo. (A. P. Green Fire Brick Co.) SCHOFIELD, H. Zane (RFI) Koppers Co., Inc., Research Dept. Koppers Bldg., Pittsburgh 19, Pa. SCHOLES, Addison B. (G) Interlectric Corp.. Warren, Pa SCHOLES, S. R. (Honorary, GFI) Box 752, Alfred, N. Y. (Consultant) SCHOLS, Leon V. F. M. St. Lambertuslaan 4a Maastricht, Holland (Regout-M att hey) SCHOONOVER, I. C. (B) National Bureau of Standards Washington 25, D. C. SCHOTSMAN, J. Kruisstraat 31, Dieren, Netherlands (N. V. Enamel Works "de Yssel") SCHOTTLAND, A. H. (G) Standard Bent Glass Co., Butler, Pa. SCHOTTS, Walter H. (MFI) 23 E. Southington Ave. Worthington, Ohio (Harrop Ceramic Service Co.) SCHRADER, David M. (RI) 429 W. Third St., Salem, Ohio (Kaiser Aluminum & Chemical Corp.) SCHRAMM, Edward (WF) Onondaga Pottery Co. 1858 W. Fayette St., Syracuse 4, N. Y. SCHRECKENGOST, Don (DF) 2617 St. Oair Ave. East Liverpool. Ohio (Homer Laughlin China Co.) SCHRECKENGOST, Viktor (D) 2265 Stillman Rd. Cleveland Heights 18, Ohio (Salem China Co.) SCHREIBER, Edward Box 948, Alfred, N. Y. SCHREIBER, Karl L. (W) "El Anfora" S. A. Espalda Penitencieria, Mexico, D. F. SCHRICKEL, Herman H,, Jr. (G) 178 E. Pulteney St,, Corning, N. Y. (Corning Glass Works) SCHROEDER, Fred W. (RFI) North American Refractories Co. Research Center, Curwensville, Pa. SCHROEDER, Herbert S. (R) 6 Conover Ln., Red Bank, N. J. (Carborundum Co.) SCHUCK, John F,, Jr. (LI) R.R. 1, Orrville, Ohio (United States Stoneware Co.) SCHUENZEL, Ernest C (L) Cavo Dr., Poughkeepsie, N. Y. (International Business Machines Corp.) SCHULHOF, Andres Lozailur, Grandes Fabricas Argentinas de Ceraiuica, S. A. Boulogne, F.C..VG.B. Buenos Aires, Argentina SCHUL1TZ, C. Frederick 19 Bennett St., Hornell, N. Y'. SCHULTZ, Donald G. (S) 3119 Woodworth, Hazelcrest, III. (Chicago Brick Co.) SCHULTZ, Donald J. 1109 Kegg Ave., Johnstown, Pa. SCHULTZ, Jack M. (W) Aluminum Co. of America 610 New Center, Detroit 2, Mich. SCHULTZ, James B. (W) 1321 E. Robinson St. North Tonawanda, N. Y. (National Gypsum Co.) SCHULTZ, John, Jr. (E) General Electric Co. Metallurgy & Ceramics Lab. Appliance Park, Bldg. 5, Rm. 249 Louisville, Ky. SCHULZ, David A. 2535 Le Conte, Berkeley 9, Calif. SCHULZE, Robert H. (X) Advanced Vacuum Products, lnc. 430 Fairfield Ave., Stamford, Conn. SCHUMACHER, William G. (M) 122 Chandler Lane Hoffman Estates 2, Roselle, 111. (National Cylinder Gas Co.) SCHURECHT, H. G. (WFI) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. SCHURTZ, D. D. (GF) Sharp- Schurtt Co. 301-303 Lincoln Ave. Lancaster, Ohio SCHWAB, Leon B. (R) 214 E. Home St., Vandalia, Mo. (Harbison-Walker Refractories Co ) SCHWARTZ, Bernard (BI) 35 Dogwood Dr. Downingtown, Pa. (International Resistance Co.) SCHWARTZ, Jerome W. (W) Sascha Brastoff Products, Inc. 11520 W. Olympic Blvd. Los Angeles 64, Calif. SCHWARTZ, M. A. (BI) WCLJL, Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio SCHWARTZ, Morton 6 Pearl Lane, Chamblee, Ga. SCHWARTZWLDER, Karl (LFI) A C Spark Plug Div. General Motors Corp. Flint 2, Mich. SCHWEICKHARDT, William K. (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7. Mo. SCHWEITZER, Howard V. (M) 540 Lido Dr., Fort Lauderdale, Fla. (Schweitzer Equipment Co.) SCHWENKLER, Edward P. (GJ) 979 Grove St., Elmira, N. Y. SCOTT. J. W. (W) 7650--Western Electric Co., Inc. Hawthorne Station, Chicago 23, III. SCOTT, Murray R. (GFI) Bausch & Lomb Optical Co. 635 St. Paul St,, Rochester 2, N. Y. SCOTT, Robert M. (RI) 4619 Druid Ln., Dayton 39, Ohio (Norton Co.) SCOTT, Roger F. (GI) 911 E. Main St,, Millville, N. J. (Armstrong Cork Co.) SCOTT, William D, One Canyon Rd., Berkeley 4, Calif. SCOTT, W. J. (W) Western Electric Co., Inc. 2500 Broening Hwy. Baltimore 24, Md. SCROGER, Clifford R. Box 1322, Alfred, N. Y. R o s t e r 99 UGGS, David M. ' '35 Greenview Ave. South Bend 19, Ind. BRIGHT, Clarence A. (M) .7541 Daleview Dr., Lakewood 7, Ohio Harshaw Chemical Co.) BBKRXIUGiHl lT, Edward C. (E) iioat-1Mill Rd., Flourtown, Pa. kCorp.) d H dEdward (D) BBuumckres Ccounty Pottery Kintnersville, Pa. NOR, J. G. (S) 2712 W. Tuscarawas St. Canton 8, Ohio (Bonnot Co.) RCY, Alan W. (B) Division of Mineral Technology University of California Berkeley 4, Calif. RLE, Alfred B. 62, Moordiffe, Skircoat Moor Rd. Halifax, England (Consultant) RSON, Leslie James Oakes & Co. (Riddings) Ltd. Jacksdale, Notts, England SE, John D. Box 3164, College Sta. Clemson, S. C. TON, Max Y. (RF) Manchester Depot, Vt. (Food Machinery & Chemical Corp.) RING, George F. (W) Paper Makers Importing Co., Inc. 44 S. Second St.. Easton, Pa. KMAN, Harry D. (WI) 4229 W. Reichert PI. Milwaukee 9, Wise. (Square D Co.) OR, Robert B. (B) Filtrol Corp. 3250 E. Washington Blvd. Vernon 23, Calif. ORD, Robert N. (W) * L. Cabot, Inc. & Development Dept, trial Dr., Cambridge 42, Mass, inane R. 2486 Weston Ave., Niagara Falls, N. Y. )ENKA, Anthony (L) 1086 Magnolia Dr., Washington. Pa. (B. F. Drakenfeld & Co., Inc.) :LEY, Clarence E. (G) 1354 Grandstaff Ave., Lancaster, Ohio (Anchor Hocking Glass Corp.) :l e y , E. L. (W) 800 Lotus Ave., Chester, W. Va. (Harker Pottery Co.) iMANN, Wilhelm Pipersgatan 3, Stockholm, Sweden TS, Dewaine 1110 W. Springfield, Urbana, HI. IELER, C. G. (M) American Gas Assn., 420 Lexington Ave. New York 17, N. Y. DEL, Joseph (W) 608 Midland St., Pittsburgh 21, Pa. (Westinghouse Electric Corp.) PEL, Robert B. (G) Blue Ridge Glass Div., American-Saint Gobain Corp. Kingsport, Tenn. TZ, Wolfram (G) Glass Containers Corp. Fourth & "O" Sts., Antioch, Calif. ERAS, William G. Box 889, State College, Pa. -LERS, George A. (R) 315 E. Crescent Ave., Elmhurst, 111. (Plibrico Co.) -LERKSa, John T. (RI) 52^Brooaacdway, Jackson, Ohio m Refractories Co.) 1Jorgen (B) 1 3 ^ N'Jooble St., Barberton, Ohio (Ohio Brass Co.) -TZ, L. O. (G) Ford Motor Co., Box 1355 Nashville, Tenn. L. 37, No. 10 (1958) SEMMELMAN, John O. (WI) Dentists' Supply Co. of New York 500 W. College Ave., York, Pa. SEMPLE, John Metal Porcelains Ltd., Cornwall Rd. Smethwick 40, Staffs, England SEMPLE, William A. (R) - Aluminum Co. of Canada, Ltd. General Technical Dept., Smelter Div. 1700 Sun Life Bldg. Montreal, Que., Canada SENK, Johann Vienna XVII Dornbacherstr. 29, Austria (Radiofabrik Ingelen-Porzellanfabrik Frauenthal Figer & Co.) SENTRY SANITARY CORP. (Marvin E. Abrams) Box 427 Mannington, W. Va. SEPHTON, H. J. (G) Dominion Glass Co. Ltd. Chappie St., Hamilton, Ont., Canada SERVIS, Donald H. (W) Robertson Mfg. Co., Box 848 Trenton 5, N. J. SETCHEL, Hayden Merritt (G) 105 Tenth St., Streator, 111. (Owens-Illinois) SEVERIN', Harold (E) 2780 Argyll Ave., Concord, Calif. (American Radiator & Standard Sanitary Corp.) SEVERSIKE, Carroll L. (W) 23 Race St., Frenchtown, N. J. (Frenchtown Porcelain Co.) SEWELL, Dave W. (S) Pomona Terra Cotta Co. Pomona, N. C. SEYBERT, Earl K. (R) Davison Chemical Co. Div. W. R. Grace & Co. 101 N. Charles St., Baltimore 3, Md. SEYMOUR, Samuel L. (G) . 26 Crystal Dr., Oakmont, Pa. (Pittsburgh Plate Glass Co.) SHAFFER, E. F. (G) Ohio Power Co. 65 E. Main, Newark, Ohio SHAFFER, Paul C. (G) 85 Chapel St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) SHAFFER, Peter T. B. (R) Carborundum Co., Buffalo Ave. Niagara Falls, N. Y. SHAH, Chunilal P. Bombay Potteries & Tiles Ltd. Pipe Rd., Kurla, Bombay 37, India SHALEK, Peter D. (R) 212 Homestead, Apt. 2 La Grange Park, 111. (Argonne National Lab.) SHAND, Errol B. (G) 155 Reynolds Ave., Corning, N. Y. (Corning Glass Works) SHAND, Rodger L. (E) 230 Woodale Rd. Oakville, Ont., Canada (Ferro Enamels (Canada) Ltd.) SHANDS, Everett H. (E) 1930 Harlem Blvd., Rockford, III. (O. Hommel Co.) SHANER, Frank C-, Jr. (R) Richard C. Remmey Son Co. 1012 35th St., N. W,, Canton 9, Ohio SHANER, Herbert J. (R) Ramtite Co., 2563 W. 18th St. Chicago 8, 111. SHANK, Charles H. (S) 29 Sylvan Rd., Pittsburgh 21, Pa. (Dwight B. Hendryx & Assoc.) SHANKLE, Richard G. Box 288, Alfred, N. Y. SHANKS, Douglas Shanks & Co. Ltd., Victorian Pottery Barrhead, Near Glasgow, Scotland SHANNON, Harry F. (E) United States Steel Corp. Applied Res. Lab., Monroeville, Pa. SHANNON, Robert D. University of Illinois Dept, of Ceramic Engineering Urbana, 111. SHAPIRO, Howard (BI) 222 E. 56th St., New York 22, N. Y. (Sylvania Corning Nuclear Corp.) SHAPLAND, James T. (R) 2513 Collins Rd., Pittsburgh 35, Pa. (United States Steel Corp.) SHARDLOW, L. Russel (LI) Radio Corp. of America Somerville, N. J. SHARP, E. W. (RI) Pedro, Ohio (Lawrence Refractories Clav Co.) SHAVER, Richard C. (B) 2 Hamilton St., Auburn, N. Y. (Cowles Chemical Co.) SHAVER, W. W. (GF) 130 E. Fourth St., Coming, N. Y. (Corning Glass Works) SHAW, Anthony E. (S) Natco Corp., 327 Fifth Ave. Pittsburgh 22, Pa. SHAW, Charles T,, Jr. 5461 Stumpf Rd., Apt. 301-A Cleveland 30, Ohio SHAW, Clarence F. (WI) R. R. 1, Trevor, Wise. (Pickard, Inc.) SHAW, L. I. (XI) 1616 Ocean Ave., Apt. 16 Santa Monica, Calif. (Consultant) SHAW, Myril C. (MFI) 563 Gates St., Philadelphia 28, Pa. (Asbestos Textile Institute) SHAW, Robert R. University of Washington Milnor Roberts Hall, Seattle 5, Wash. SHAW, Ronald H. (S) L. E. Shaw Ltd., Box 996 Halifax, Nova Scotia, Canada SHAW, Ronald R. (RJ) Saguenay Inn, Arvida, Que., Canada (Aluminium Laboratories Ltd.) SHAWNEE POTTERY CO. (A. E. Lepper) 2200 Linden Ave., Zanesville, Ohio SHAYNA, Michael (S) 506 S. Railway St. Swift Current, Sask., Canada (Western Clay Products Ltd.) SHEARER, Walter L. (R) Bartley Crucible & Refractories, Inc. 15 Muirhead Ave., Box 358 Trenton 3, N. J. SHEARER, Wayne B. (RI 233 W'. Logan Ave., State College, Pa. (Reaction Motors, Inc.) SHEAROUSE, Lee A. (W) 326 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) SHEEHAN, Robert W. (LI) Box 38, Saxonburg, Pa. (Du-Co Ceramics Co.) SHEETS, Herbert D. (RI) Battelle Memorial institute 505 King Ave., Columbus 1, Ohio SHEETS, Vernal L. (B) 254 Morgan Blvd., Valparaiso, Ind. (Chicago Wheel & Mfg. Co.) SHEHEEN, Alexander (S) Standard Oil Co. (Indiana) Engineering Res. Dept. 2400 New York Ave., Whiting, Ind. SHELDON, John L. (L) 179 Dodge Ave., Coming, N. Y. (Corning Glass Works) SHELDON. R. S. (E) 2215 Wilson Ct., St. Joseph, Mich. (Whirlpool Corp.) SHELL, Haskiel R. (B) U. S. Bureau of Mines Electrotechnical Experiment Sta. Norris, Tenn. SHELLEY, C. B. (RI) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. R oster 101 ELTON, Philo S., J- (GJ) 130 Burr St., Fairf:e.^, Conn. (Zell Products Corp.) ENANDOAH SILICA CO., INC. (Herreid D. Thropp) 190 W. State St., Trenton 8, X. J. ENANGO CHINA, INC. Zahniser) New Castle, Pa. , John F. (WI) Chemical Co. 2803 Highland Ave. Norwood, Cincinnati 12, Ohio ERRILL, Ernest (M) Westwood Ceramic Supply Co. 610 Venice Blvd., Venice, Calif. ERRILL, Robert R. (El) 7003 N. Vista St.. San Gabriel, Calif. (Bulwark Corp.) ERWOOD, Melvin D. c/o Lawton Lawson, Seneca, Mo. ERWOOD, Robert F. (WFI) 21*/, State St., Hornell, X. V. EVLIN, Thomas S. (RFI) Engineering Experiment Station Ohio State University Columbus 10, Ohio .FF, Tom (R) Villa Ridge Addition, R. R. 2 Godfrey, 111. (Laclede Christy Works. Refr. Div. H. K. Porter Co.) ILLINGTOX, George E. 118 16th Ave., Columbus. Ohio IMADA, Hachiro Shimada Glass Laboratory, Ltd. No. 2867, 1-Chome, Sanno Ota-ku, Tokyo, Japan IMADA, Kuro Toyo Glass Co., Ltd. No. 47 Shimo-3-Cbome Fukushimaku, Osaka, Japan IMER, J. B. (GI) 142 Friar Tuck Hill Sherwood Forest,-Md. ,ultant) i j K Norman C. (W) entura Dr. R R 4 Walled Lake, Mich. (Champion Spark Plug Co.) INN, Joseph M,, Jr. (R) 114 Marykav Rd., Timonium, Md. (Western Electric Co.) INN, Roy E. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. R. R. 2, Canonsburg, Pa. IPE, Paul J. (R) Moraine Prod. Div., General Motors Corp. 1420 Wisconsin Blvd., Dayton 1, Ohio IPLEY, Linden E. (W) . 92 Crestview Rd., Columbus 2, Ohio (Orton Ceramic Foundation) IPLEY, R. A. (S) Natco Corp., 327 Fifth Ave. Pittsburgh 22, Pa. IPPY, Gordon D. (E) . 3700 N. 60th St., Milwaukee 16, Wise. (A. O. Smith Corp.) IPTON, C. Bernard (B) Aluminum Co. of Canada Ltd. 1700 Sun Life Bldg. Montreal, Que., Canada IVELY, Robert R,, Jr. (G) 1608 Alston Rd., Towson 4, Md. (Olin Mathieson Chemical Corp.) OEMAKER. Donald W. (R) Corhart Refractories Co., Inc. 940 Commonwealth Bldg. Louisville 2, Ky. OEMAKER. George W. (S) ^ ^ M e x Ceramic Corp., 6 N. Walnut St. Ind. (^^TOER, James E., Jr. (G) 5033 February St. San Diego 10, Calif. (Convair) U 37, No. 10 (1958) SHOFSTALL, N. F. (L) S1GWART, Harry J. (G) General Electric Co. 732 Beechurst Ave. Specialty Electronic Morgantown, W. Va. Components Dept. (Senec.i Glass Co.) 1811 LeMoyne Ave., Syracuse 8, X. Y. ' SIKES, James W. (W) SHONEBARGER, F. J. (G) Florida Tile Industries, Inc., Box 451 General Electric Co. * 608 Prospect St., Lakeland, Fla. Glass Technology Lab. SILK, Karl 1133 E. 152nd St., Cleveland, Ohio Messrs. Jury Holloware Ltd. SHONKWILER, Francis P. (RI) Brierley Hill, Staffs, England 2516 Milford Dr., Bethel Park, Pa. SILVERBERG, Carl G. (X) (Harbison-Walker Refractories Co.) Willard Rd., Sturbridge, Mass. SHOOK, Thurston W. (M) (American Optical Co.) 2569 McVey Blvd.,`W. SILVERMAN, Alexander (GFI) Worthington, Ohio University of Pittsburgh (Harrop Ceramic Service Co.) 2930 Cathedral of Learning SHOOK, William B. (I) Pittsburgh 13, Pa. 98 Brevoort Rd., Columbus 14, Ohio SILVERMAN, William B. (GFI) SHOOT, Lyle E. (L) Owens-Illinois, Technical Center 1882 Park Forest Ave. 1700 N. Westwood Ave.. Toledo 1, Ohio State College, Pa. SILVERNAIL, Walter L. (B) (Erie Technical Ceramics, Lindsay Chemical Co. Div. Erie Resistor Corp.) 264 A nn St.. W est Chicago, III. SHOPHER. Sterling D. (RI) SILV1S. Bruce V. (M) 404 E. Sum m it, M exico, Mo. Harris Clav Co., Spruce Pine, X. C. (Mexico Refractories Co.) SIMAVILLA, Juan M. SHORT. Thomas X. Cristalerias Rigolleau S. A. 107 W. Curtiss St., Strvker, Ohio Berazategui, F.C.N.G.R. SHORTER, A. J. Buenos Aires, Argentina Bonnybridge Silica & Fireclay Co. Ltd. SIMCOCK, J. H. Bonnybridge, Stirling, Scotland 6 Lovatt Ave., Milehouse SHORTER, W. H. (G) Newcastle, Stafford, England Emhart Manufacturing Co. SIMISON, A. L. (GI) 333 Homestead Ave., Hartford 2, Conn Owens-Corning Fiberglas Corp. SHORTRIDGE, William F. (S) Toledo, Ohio Pacific Clay Products SIMMEN, Fred G. (W) 9500 S. Norwalk Blvd. 964 Terrace Blvd., Trenton 8, X. J. Los Nietos, Calif. (Fairfacts Co.) SHREMP, Raymond M. (RI) S1MMINGSKOLD, Bo 227 S. Clay St., Zelienople, Pa. Glasinstitutet i Vaxjo, Smedjegatan 3 (Lava Crucible-Refractories Co.) Vaxjo, Sweden SHUKLE, Archie A. (R) G1459 Schafer Dr., Flint, Mich. (A C Spark Plug Div. General Motors Corp.) SHULZE, Charles E. (BI) R. R. 1, James Dr., Lewiston, N. Y. (Carborundum Co.) SHUMAN, Albert (G) Polarizing Instrument Co. Irvington-on-Hudson, New York, X. Y. SICKER, Richard E. (RJ) 295 Wendel Ave., Kenmore 23, N. Y. (Great Lakes Carbon Corp.) SIDDALL, Mark B. (BJ) Westinghouse Electric Corp. 7325 Penn Ave., Pittsburgh 8, Pa. S1DHWA, Miss Almitra P. 52 Massachusetts Ave. SIMMONS, E. E,, Jr. (L) 455 S. Oakland Ave., Pasadena 5, Calif. (Consultant) SIMMONS, George A., Jr. (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. SIMMONS, Milton L. (E) Ferro Corp., International Div. 4150 E. 56th St., Cleveland 5, Ohio SIMMONS, Wilbur C. Box 4192, Clemson, S. C. SIMON, A. G. (W) 8530 Wentworth St., Sunland, Calif. (Gladding, McBean & Co.) SIMONDS WORDEN W HITE CO. (F. R. Henry) 1101 Negley PI. Cambridge 39, Mass. Dayton 7, Ohio SIDWELL, John L. (M) SIMONS, T. Mitchell, Jr. (WI) Box 67, East Palestine, Ohio 213 Bandy Ave., Apt. 14 (H. C. Spinks Clay Co., Inc.) West Covina, Calif. SIEBACH, Ralph E. (GJ) (B. F. Wagner & Co.) 1304 Fifth Ave., Ford City, Pa. SIMONSEN, Eduardo C. (Pittsburgh Plate Glass Co.) Companhia Paulista de Mineracao SIEBER, Karl E. (G) Caixa Postal 3008, Sao Paulo, Brazil R. R. 1. Melody Lake, Box 238 SIMONSEN, Victor G. Zanesville, Ohio (Continental Can Co., Inc.) Ceramica Sao Caetano S. A. Caixa Postal 278, Sao Paulo, Brazil SIEBERT, Robert F. (S) _ 49 Russel] Ave., Beacon, N. Y. (Dennings Point Brick Works, Inc.) SIEFERT, A. C. (GF) Owens-Coming Fiberglas Corp. Newark, Ohio SIEGRIST, Paul F. (L) 111 Roycroft Rd. East Syracuse, N. Y. (General Electric Co.) SIEKMANN, John F. (R) Aluminum Co. of America 520 N. Michigan Ave.. Chicago 11, 111. SIERACKI, Richard A. (W) 106 Rosedale Dr. Cheektowaga 25, N. Y. (Buffalo China, Inc.) SIMONSON, Robert B. (B) Harvey Aluminum Co. 190th & Western, Torrance, Calif. SIMPSON, Alexander J. (L) 5848 N. 62nd St., Milwaukee 18, Wise. (Globe-Union Inc.) SIMPSON, Frederick H. (R) 727 Bellevue Ave., N., Apt. 401 Seattle 2, Wash. (Boeing Airplane Co.) SIMPSON, Harold E. (GFI) State University of New York College of Ceramics, Alfred, N. Y. SIMPSON, John A. (S) F, B. McFarren Ltd. Streetsville, Ont., Canada SIEVERT, Guilio E. (R) SIMPSON, John D,, Jr. (S) 833 Oregon Ave., San Mateo, Calif. Statesville Brick Co., Box 471 (Gladding, McBean & Co.) Statesville, N. C. R oster 103 CLAIR, Robert R. (RI) 510 S. Osage Ave., Inglewood, Calif. (Missouri Refractories Co.) GLETON, Eric Oughtibridge Silica Firebrick Co. Steetley, Worksop, England K ^ ^ lb e r t H. (El) ^ ^ ^ B is St., Ashland, Ohio Corp.) SONS, Gordon H. (S) 320 First St. Medicine Hat, Alta., Canada (Medicine Hat Brick & Tile Co., Ltd.) TIG, Marshall (G) Box 549, Princeton, N. J. T, Lawrence F. (W) Box 443, East Liverpool, Ohio (New Castle Refractories Co.) :LLY, John C. (W) Trenton Potteries Co. 311 N. Clinton Ave., Trenton, N. J. SOCH, Tames K. (M) Southern California Minerals Co. 320 S. Mission Rd. Los Angeles 33, Calif. SOCH, Thomas A. 832 Enchanted Way Pacific Palisades, Calif. LOCH, Walter K. (M) Southern California Minerals Co. 320 S. Mission Rd. Los Angeles 33, Calif. NNER, Kenneth G. (WI) 4223 First St., S. E., Apt. 203 Chesapeake Gardens Washington 20, D. C. (Naval Research Laboratory) :N'NER, Roger D. (G) 10 Lisle Lane, Winchester. Ky. (Dominion Minerals Div. Riverton Lime & Stone Co.) LAREW. Samuel (R) 14829 Wyandotte St., Van Nuvs, Calif. (Marquardt Aircraft Co.) Haven S. (L) Michael St., St. Marys, Pa. pole Carbon Co.) OK, John J. (R) 1434 N. Ridge Rd., W., Lorain, Ohio (Plibrico Co.) URCENSKI, Anton (G) H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. WARLO, Edward (G) 706 S. Ioka, Mount Prospect, 111. (Vacuum Ceramics, Inc.) \UGHTER, James A. (G) Pittsburgh Plate Glass Co., Box 15 Crystal City, Mo. MJGHTER, John I. (B) Corning Glass Works Res. & Development Div. Coming, N. Y. AYTER, Games (GF) Owens-Coming Fiberglas Corp. Box 415, Granville, Ohio ICK, E. E., Jr. (R) Haws Refractories Co., 407 Main St. Johnstown, Pa. IFER, Rodney F. (R) North American Refractories Co. 50 Church St., New York 7, N. Y. OAK, Clarence T., Jr. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. 70 South St., Washington, Pa. ONAKER, John F. (RJ) Findlay Clay Products Co. Box 517, Washington, Pa. USS, Olen R. (W) 715 S. Chapel St., Louisville, Ohio hn A. (BFI) can Encaustic Tiling Co., Inc. i. Cannon Ave., Lansdale, Pa. ALL, Carlton F., Jr. (R) f|22. Hawthorn Rd. |X ing of Prussia, Pa. ME. J. Lavino & Co.) %: 4.37, No. 10 (1958) SMALLEY, Howard F. (El) Pemco Corp., Research Div. 5601 Eastern Ave., Baltimore 24, Md. SMELT, J. A. M. Bibliotheekcentrale N. V. Philips' Gloeilampenfabrieken Eindhoven, Holland SMILEY, W'illiam D. (B) Stanford Research Institute Menlo Park, Calif. SMITH, Adrian F. (G) 86 E. Third St., Corning, N. Y. (Corning Glass Works) SMITH, Alden J. (W) R. R. 1, Carey, Ohio (Porcelain Products Inc.) SMITH, A. O., CORP. (W. A. Deringer) 3533 N. 27th St., Milwaukee 1, Wise. SMITH, Arnold N. Pilkington's Tiles Ltd. Clifton Junction, Manchester, England SMITH, Bavnard R. (L) Mitronics, Inc. 1290 Central Ave., Hillside, X. J. SMITH, C. A. (RFI) Mexico Refractories Co. Better Refractories Bldg.. Mexico, Mo. SMITH, Dudley C. (Gj Oakdale Dr., Millville. X. J. (Kimble Glass Co.) SMITH, Earl R. (G) Pittsburgh Plate Glass Co. Glass Research Center Box 11472, Pittsburgh 38, Pa. SMITH, Gail (G) Corning Glass Works Eugene C. Sullivan Labs. Corning, N. Y. SMITH, G. Sherwood Aerophvsics Development Corp. Box 689, Santa Barbara, Calif. SMITH, Harlan D. (R) Wellsvilie Fire Brick Co. Wellsville, Mo. SMITH, Harry W. (W) 3608 Gleason Dr., Chattanooga, Tenn. (D. M. Steward Mfg. Co.) SMITH, Hillard A. (WI) 28 Buchanan Rd., Metuchen, N. J. (Rheem Manufacturing Co.) SMITH. Howard J. (L) 51 Godwin Ave., East Paterson, N. J. (Titanium Alloy Mfg. Div. National Lead Co.) SMITH, H. Russell (M) Box 757, East Liverpool, Ohio (Croxall Chemical & Supply Co.) SMITH, James United Fireclay Products, Ltd. 140 W. George St. Glasgow C. 2., Scotland SMITH, J. Ernest (X) 233 Riveria Ave., Sarasota, Fla. (Ceram-I-Cast Corp.) SMITH, John Jacob (G) 1404 Pacific Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) SMITH. J. Ryan (W) Fairfacts Co., Fairfacts St. Trenton 8, N. J. SMITH, J. Talbot (M) 217 Elm Ave., Morrisville, Pa. (United Clay Mines Corp.) SMITH, Karl W. (R) Charles Taylor Sons Co. Box 58 Annex Sta. Cincinnati 14, Ohio SMITH, Kenneth E. (DFT) American Art Clay Co. 4717 W. 16th St. Indianapolis 44, Ind. SMITH. Kenneth M. (BI) United States Dept, of Interior Bureau of Mines, College Park, Md. SMITH, Leland (SI) Box 294, Darlington, Beaver Co., Pa. (Central Commercial Co.) SMITH, Loran F. (W) O. Hommel Co. 4747 E. 49th St., Los Angeles, Calif SMITH, Richard D. (I) Ferro Corp., Far East Div. 130 Nathan Rd., 205 Princess Bldg. Kowloon, Hong Kong SMITH, Richard M. (R) 215 Seneca St., Coming, N. Y. (Corning Glass Works) SMITH, R. K. (RFI) 149 Reynolds Ave., Corning, N. Y. (Corning Glass Works) SMITH, Robert G. (L) 18 Quaker Rd., Short Hills, X. J. (Whittaker, Clark & Daniels, Inc.) SMITH, Ronald J. Box 847, Alfred, N. Y. SMITH, Rowland D. (G) 12 Woodlawn Ave., Corning, N. Y. (Corning Glass Works) SMITH, R. Thomas 7929 Captain Conn Dr. St. Louis 23, Mo. SMITH, Sidney L. 16 Munson St., Le Roy, N. Y'. SMITH & STONE, LTD. (T. Wold) Georgetown, Ont., Canada SMITH, William E. (G) 5030 Janet, Svlvania, Ohio (Owens-Illinois) SMITH, William L. (M) Georgia Marble Co. Calcium Products Div., Tate, Ga. SMITH. William R. (X) 20 DeLancy Dr., Geneva, N. Y. SMITH-MILLER, Jorge Casilla 162-D Cristaleras de Chile S. A. Santiago, Chile SMITS, Peter J. G. Metzen y Cia.. Misiones 1536 Montevideo, Uruguay SMOAK. J. Fletcher, Jr. 1214 Daly St., Columbia, S. C. SMOCK, Alden W. (G) 505 Green Acres Dr.. Huntsville, Ala. (Army Ballistic Missile Agency) SMOKE, Edward J. (W) 11 Edgewood Rd., Metuchen. N. J. (Rutgers, The State University School of Ceramics) SMOOT, Jack M. (DI) Chamblee, Ga. (Dogwood Ceramics) SMOTHERS, W. J. (BF) Ohio Brass Co., Barberton, Ohio SMYTH, Harold T. (G) Rutgers, The State UniversitySchool of Ceramics New Brunswick, N. J. SNELL, Richard G. (G) 1717 Calumet Ave., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) SNIDER, Carl A., Jr. (G) 4820 Girard Rd., Pittsburgh 27, Pa. (Kaiser Aluminum & Chemical Sales, Inc.) SNIDER, Stuart M. (S) 325 Club Dr., Salisbury, N. C. (Taylor Clay Products Co.) SNOW, L. James (S) Mifflinville, Pa. (Alliance Clay Products Co.) SNOW, Roland B. (RF) United States Steel Corp. Applied Res. Lab., Monroeville, Pa. SNYDER. Ernest B. (RFI) Wheeling Steel Corp. Steubenville South Plant Steubenville, Ohio SOBON, Leon E. 32 Edgewood St., Lackawanna, N. Y. SOCIETE FRANAISE DE CERAMIQUE (Pol Paquin) Service de Documentation 23, rue de Cronstadt Paris XV, France R oster 105 )CIETA ITALIANA REFRATTARI MARGHERA AZIONARIA (Domenico Giacomelli) Via Industrie 52, Casella Postale 308 Marghera, Venice, Italy )CIETY OF GLASS TECHNOLOGY C^^V. Douglas) "Thornton" Gate Rd., Sheffield 10, England MOBIL O IL CO. B. Stevens) 150 E. 42nd St., New York 17, N. Y. 1DERSTRUM, William K. (SI) 374 Davis Rd., Batavia, 111. (Structural Clay Products Research Foundation) )KOL, Benjamin (R) 11 Larkin St. Huntington Station, N. Y. (Republic Aviation Corp.) SPARROW, Paul F. (R) 2447 Old Washington Rd. Bridgeville, Pa. (Norton Co.) SPEIL, Sidney (GI) Johns-Manville Research Center Manville, N. J. SPENCE, C. F. (E) . 1005 Hartford St., Worthington, Ohio (Chicago Vitreous Corp.) SPENCE, Harold I. (W) 4770 W. 191st St., Torrance, Calif. (Frank Maver International, Inc.) SPENCER, Charles D. (GF) 2113 Taylor Rd., Cleveland 12, Ohio (Lamp Dept., General Electric Co.) SPENCER-STRONG, G. H. (EFI) 109 Witherspoon Rd., Baltimore 12, Md. (Pemco Corp.) SPENGLER, H. H. (G) )LBERG, Archie N. (B) General Electric Co. University of Toledo Lamp Div., Glass Technology Lab. Research Foundation 1133 E. 152nd St., Cleveland 10, Ohio 2801 W. Bancroft, Toledo, Ohio SPINKS, H. C., CLAY CO., INC. 1LOMON, Earl (RI) (R. B. Carothers) Box 829 1657 Boston Ridge Rd. Paris, Tenn. Orchard Park, N. Y. SPINNER, Sam (G) 'Electro Refractories & National Bureau of Standards Abrasives Corp.) Washington 25, D. C. 3LVAY PROCESS DIV. SPIRES, Stephen T. (RI) ALLIED CHEMICAL CORP. North American Refractories Co. Librarian. Box 271, Syracuse 1, N. Y. Mt. Union, Pa. )MANY, O. M. SPIRKO, Edward J. Hindysthan National Glass 11104 Ave. "B", Chicago 17, 111. Mfg. Co., Ltd. 2, Wellesley PI., Calcutta 1, India SPLANN, Mary Theresa (G) Corning Glass Works, Corning, N. Y. )MIYA, Shigeyuki (B) Pennsylvania State University Dept, of GeochemistryUniversity Park, Pa. IMMER. Alfred (L) 45 John St.. Highland Park, N. J. (Kearfott Co.) )MMERS. Robert H. (L) R. 5, Box 101, Oconomowoc, Wise. ik V IL L E , J. L. (GI) SPOERRY, Henry J. Schmidheiny & Co., Ltd. Heerbrugg, (St.G.) Switzerland SPORE, William D. (W) Midway Lane, East Liverpool, Ohio (Homer Laughlin China Co.) SPRIGGS, Richard M. 9146 Briarwood Rd., Shepard Hills Northfield, Ohio SPRING, Kenneth L. (G) 18 Pleasant St., Seneca Falls, N. Y. (Svlvania Electric Products, Inc.) Wi'ood St., Clarion, Pa. wens-Illinois) )NTZ, Arthur (RI) 8054 S. Crandon Ave., Chicago 17, 111. (United States Steel Corp.) )OD, S. P. Box 1391, Alfred, N. Y. SPROT, Ira E. (WFI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, X. Y. SPROUL, James D., Jr. Box 924, Alfred. N. Y. SPURCK. Richard F. (L) Hanford Ln., Wilton, Conn. (Machlett Laboratories) )SMAN, Robert B. (Honorary. BFI) SPYUT, Albert B. (G) Rutgers. The State University- Raytheon Manufacturing Co. School of Ceramics 55 Chapel St., Newton, Mass. New Brunswick, N. J. SQUIER, Arthur A. (S) )UCEK. Edward M. 1616 Walnut St., Philadelphia 3, Pa. Virginia Polytechnic Institute (Distributor) Box 5795, Blacksburg, Va. SQUIER. Charles A. (R) HJTH, Furman, Jr. (R) Owens-Illinois Lava Crucible-Refractories Co. 1700 N. Westwood Ave. First National Bank Bldg. Toledo 7, Ohio Pittsburgh 22, Pa. SRUOGA, Valerio OUTHERN LIGHTWEIGHT AGGREGATE CORP. (A. Floyd Old) Box 8, Bremo Bluff, Va. TWERS, Robert M. (G) 8 Edgerton Ln., Dearborn, Mich. (Ford Motor Co.) IWMAN, Harold G. (R) . Minnesota Mining & Mfg. Co. Central Res Lab. 2301 Hudson Ave., St. Paul 6, Minn. )XMAN, Edwin J. (I) Box 117, Alfred, N. Y. ACHMAN. James J. 1422 Cuvier Ave., Berwyn, 111. \v'AwIcNu, Richard W. (G) Industrias Wilde S.R.L. San Martin 683 Buenos Aires, Argentina STAATLICHE PORZELLAN MANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1-3 (13a) Selb/Oberfr. U. S. Zone, Germany STAATS, Henry N. (E) Calsi-Crete, Inc. 6306 N. Cicero Ave., Chicago 46, 111. STACH, Otto R. (R) 107 Lewis Lane, Fair Haven, N. J. (Carborundum Co.) STADDEN, Thomas B. (WJ) 2315 Drummond Rd., Toledo. Ohio 20253 Lorain Rd., Apt. 101 'W K (Owens-Illinois) Fairview Park 26, Ohio ENBERG, William C. (MI) (Metal & Thermit Corp.) lu b u rn Ave., Buffalo 22, N. Y. STADLER, Leo E. (G) __fnium Alloy Mfg. Div. 1057 Plymouth St., Windsor, Conn. National Lead Co.) (Hartford-Empire Co., 'ANOUDIS, Louis (G) Div. Emhart Mfg. Co.) Kimble Glass Co. )l.1.73007,NN. Wo.es1tw0o(o1d95A8v)e., Toledo, Ohio STAFFICKER, Charles F. (G) 506 Grandview Ave., Vineland, N. J. (Kimble Glass Co.) STAFFORD, Ray (M) Southern Calif. Minerals Co. 320 S. Mission Rd. Los Angeles 33, Calif. STAFFORD, W. L. (RFI) Johns-Manville Research Center Box 159, Manville, N. J. STAHMANN, John A. (BI) 4275 Verdugo Rd. Los Angeles 65, Calif. (Gladding, McBean & Co.) STALEGO, Charles J. (G) 227 N. Fifth St., Newark, Ohio (Owens-Coming Fiberglas Corp.) STALEY, A. E,, MFG. CO. (M. J. Thomas) Decatur, 111. STALLINGS, James R. (G) 484 E. Beechwold Blvd. Columbus 14, Ohio STALTER. Thomas L. (El) 9114 Orbitan Rd., Baltimore 14, Md. (Pemco Corp.) STAMPS, Murray R. (W) Canadian Porcelain Co. Ltd. Box 428, Hamilton, Ont., Canada STANDARD BRICK & TILE CORP. (Clifford A. Kleymeyer) 123 N. W. Fourth St. Evansville 8, Ind. STANDARD ULTRAMARINE & COLOR CO. (L. F. May) Huntington 18, W. Va. STANGL, J. M. (W) Stangl Pottery, Trenton 4, N. J. STANGL POTTERY (J. M. Stangl) Trenton 4, N. J. STANISLAW, T. Stanley (L) Box 354, Centerport, L. L, N. Y. (Ceramics for Industry) STANLEY, David E. Box 106, Alfred, N. Y. STANLEY, George V. (E) 2752 W. 90th PI. Evergreen Park 42, 111. (Crane Co.) STANLEY, Robert J. (G) M. H. Detrick Co. I l l W. Washington St., Chicago 2, 111. STANNARD, Wilford T. (D) J. A. Dedouch Co., 608 Harrison St. Oak Park, 111. STANSFIELD, James R. D. (S) Streator Brick Co. Div. Hydraulic-Press Brick Co. Streator, 111. STANTON, Francis, Jr. Box 827, Alfred, N. Y. STANWORTH, John Edwin 74 Ashlawn Rd. Rugby, Warwick, England (British Tbomson-Houston Co., Ltd.) STAPLETON, Robert E. (L) 543 Chatham Terr., Madison 5, Wise. (Trionics Corp.) STAPP. John A., Jr. (G) Union Carbide Corp., Silicones Div. Box 44, Tonawanda, N. Y. STAR PORCELAIN CO. (H. Sinclair Kerr) Box 1329, Trenton 7, N. J. STARK CERAMICS. INC. (J. H. Stewart) Box 230 Canton 1, Ohio STARK, G. E. Carlos (W) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. STARKEY. Edward A. (M) 1068 Woodhill Rd., Mansfield, Ohio (Starkey Machinery, Inc.) STARKEY, Elmer A. (R) 22397 Fairlawn Circle, Apt. 10 Fairview Park 26, Ohio (North American Refractories Co.) STAUFFER CHEMICAL CO. (M. P. Kerins. Jr.) 380 Madison Ave., New York 17, N. Y. Roster 107 vUFFER, Kenneth H. B. (W) 49 N. Water St., Spring Grove, Pa. (Pfaltzgraff Pottery) iVROLAKIS, J. A. (B) 211 June Dr., Pittsburgh 36, Pa. (Crucible Steel Co. of America) William E. (E) Smith Corp. . 27th St., Milwaukee, Wise, [fred B. (B) 35 Lincoln St., Melrose 76, Mass. (Metallurgical Associates, Inc.) SCK, C. 0 . (G) F. J. Kress Box Co., One 28th St. Pittsburgh 22, Pa. ELE, A. Preston, Jr. (S) J. C. Steele ft Sons, Inc. Box 951, Statesville, N. C. SELE, C. N. (S) J. C. Steele ft Sons, Inc. Box 951, Statesville, N. C. EELE, Earl L. (L) Motorola, Inc. 5005 E. McDowell Rd., Phoenix, Ariz. 2ELE, F. Montgomery (S) J. C. Steele St Sons, Inc. Box 951, Statesville, N. C. EELE, G. Allen (R) 101 MacGregor Dr. Trotwood 26, Ohio (Simonds Worden White Co.) EELE, Harry L. Shorter & Son Ltd., Copeland St. Stoke-on-Trent, England EELE, Howard E. (G) Knox Glass Co., Knox, Pa. EELE, J. C., Jr. (SF) J. C. Steele 4 Sons, Inc. Statesville, N. C. EELE, J , C., ft SONS, INC. (J. C. Steele, Jr.) Statesville, N. C. EELE, Richard E. (M) Ram, Inc., 1064 W. Fifth Ave. Columbus 8, Ohio E ^ . William Perrin (S) ^ ^ H a ll Brick ft Pipe Co. ^^^Bon-Salem, N. C. E ^^7 George C. (G) Kimble Glass Co. Crystal Ave., Vineland, N. J. EFL, Donald J. (R) Freeport Brick Co. Box 402, Freeport, Pa. E1ERMAN, Bernard L. (L) Owens-Illinois 1700 N. Westwood Ave. Toledo 7, Ohio EIMKE, Frank C. (RI) Walsh Refractories Corp. 101 N. Ferry St., St. Louis, Mo. EIN, Colin H. John G. Stein ft Co. Ltd. Bonnybridge, Scotland EIN, Ronald C. Messrs. John G. Stein ft Co., Ltd. Bonnybridge, Scotland 'EIN, Sidney J. (B) International Resistance Co. 401 N. Broad St.. Philadelphia 8, Pa. EINER, Harry C. (G) General Electric Co. Power Tube Dept. Schenectady 5, N. Y. 'EINHOFF, Fred L. (SFI) Brick Sr Clay Record-- Ceramic Industry 5 S. Wabash, Chicago 3, 111. EINROEDER, Fritz Didier-Werke A. G., Lessingstr. 16 Wiesbaden, Germany TEJSKAL, Ladislav M. 5210 11th, N. E., Seattle 5, W'ash. TELLE, John A. (S) ^ k t e x Ceramic Corp.. Brazil, Ind. '^ ^ I S T , Donald R. (B) Gilmore, Apt. 6 Richland, Wash. (General Electric Co.) TEPHENS, Raymond A. 3L7. 7357A. dNaior. A1v0e.,(1N9.5E8.), Atlanta 6, Ga. STEPHENS, Richard A. (R) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. STEPHENSON, William B. (B) General Electric Co. Bldg. 700, Aircraft Ga* Turbine Cincinnati 15, Ohio STERLING CHINA CO. (William T. Pomeroy) East Liverpool, Ohio STERLING GRINDING W HEEL CO. (W. R. Morgan) Box 801, Tiffin, Ohio STERLING, Harry S. .(G) Corning Glass Works Harrodsburg, Ky. STERRY, J. Patrick (B) Boeing Airplane Co. 1232 166th S. E., Bellevue, Wash. STERRY, W. Michael (E) 2229 22nd Ave., N., Seattle 2, Wash. (Boeing Airplane Co.) STETSON, Harold W. (B) R. R. 2, Painted Post, N. Y. (Corning Glass Works) STETSON, William C. (WI) Box 44, Saxonburg, Pa. (Saxonburg Ceramics) STETTINIUS, John G. Box 1342, Alfred, N. Y. STETTINIUS, K. E. (W) Lapp Insulator Co., Inc., Le Roy, N. Y. STETTNER, Donald H. (GI) 976 Center Ave., Lancaster, Pa. (Radio Corp. of America) STEUERNAGLE. J. H. (G) Brockway Glass Co., Inc. Wood St., Brockway, Pa. STEVENS, E. G. (E) 8727 Ramsgate Ave. Los Angeles 45, Calif. (Pemco Corp.) STEVENS, Frank J. (WI) 23 Oakley St., Summit, N. J. (Isolantite Mfg. Corp.) STEVENS, Joe (R) Murray Refractories Co., Box 338 Murray, Utah STEVENS, L. M. (M) 2907 Alabama St., La Crescents, Calif (Gladding, McBean ft Co.) STEVENS, Robert P. (RI) Chicago Fire Brick Co. 1625 W. 104th PL, Chicago 43, 111. STEVENS, VI. B. (W) Socony Mobil Oil Co. 150 E. 42nd St., New York 17, N. Y. STEVENSON, James K,, Jr. (RI) R. R. 2, Mundelein, 111. (Norton Co.) STEVENTON, Kenneth John Steventon ft Sons Ltd. Cledford Works Middlewick, Cheshire, England STEWART, Gerald H. British Ceramic Society Federation House Stoke-on-Trent, England STEWART, Isaac (G) 21 Porter Rd., West Orange, N. J. (Consultant) STEWART, James (M) National Engineering Co. Simpson Mix-Muller Div. 549 VI. Washington Blvd. Chicago 6, 111. STEWART. J. H. (S) Stark Ceramics, Inc., Box 230 Canton 1, Ohio STEWART, John A. (GI) 419 Locust Ave., Washington. Pa. (B. F. Drakenfeld ft Co., Inc.) STEWART, Malcolm (M) Commercial Minerals Co. 310 Irwin St., San Francisco 7, Calif STEWART, Wilfred H. (R) 15 E. Elizabeth St. R. R. 1, Box 281, Schererville, Ind. (Sunbeam Corp.) ST1EF, W. C. (W) 158 S. Wilson Blvd. Mt. Clemens, Mich. (Mt. Clemens Pottery Co.) STILL, Henry P., Jr. (R) 31 Stoneleigh Rd., Worcester 6, Mass. (Norton Co.) STILLWATER CLAY PRODUCTS CO. (William D. Wagner) Lock Drawer 32, Uhrichsville, Ohio ST1LSON, Charles E. (B) 4246 Cortland Ave., Detroit 4, Mich. (General Electric Co.) STIRLING, John F. James A. Jobling & Co., Ltd. Wear Glass Works Sunderland, Durham, England STOCK, Donald F. (R) 289 Maxwell Dr., Pittsburgh 36, Pa. (Harbison-Walker Refractories Co.) STOCKDALE, George F. (L) 49 Corning Blvd., Corning, N. Y. (Corning Glass Works) STODDARD, Stephen D. (RI) 1526-B 43rd St., Los Alamos, N. M. (Los Alamos Scientific Lab.) STOEN, Roger C. (SI) Cannelton Sewer Pipe Co. Cannelton, Ind. STOHL, Alfred A. (W) 374 North St., Sun Prairie, Wise. (Wisconsin Porcelain Co.) STOHL, L. A. (W) Wisconsin Porcelain Co. 120 Lincoln St., Sun Prairie, Wise. STOLLER, Arthur I. (LJ) Radio Corp. of America Princeton, N. J. STOLTE, Norman H. (El) 3974 Orchard Rd. Cleveland Heights 21, Ohio (Harshaw Chemical Co.) STONE, Alan (R) 77 Houghton Circle, Corning, N. Y. (Corning Glass Works) STONE, Benjamin (W) California Crafts 43340 N. Gratiot, Mt. Clemens, Mich. STONE, Conrad A. (G) 93 S. Remington Rd. _ Bexley, Columbus 9, Ohio (Federal Glass Co.) STONE, C. P. Ferramic Industries, Ltd. 25 Hydeway, Welwyn Garden City Herts, England STONE, F. R. (R) Canada Firebrick Co., Ltd. 4741 St. Ambroise St. Montreal, Que., Canada STONE, Robert A. (M) 389 First St., Apt. 1-S, Mineola, N. Y. (John W. Higman Co.) STONE, Robert J. (M) John W. Higman Co. 24 State St., New York 4, N. Y. STONE, Robert L. (BFI) _ Dept, of Ceramic Engineering University of Texas, Austin 12, Texas STONE, S. A. (M) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. STONG, Guy E. (G) 926 W. Water St., Elmira, N. Y. (Corning Glass Works) STOOKEY, Stanley D. (GF) 145 Pritchard Ave., Corning. N. Y. (Corning Glass Works) STOOPS, Robert F. (BI) Metallurgical Products Dept. General Electric Co.. Box 237 Roosevelt Park P. O. Detroit 32, Mich. STOQUERT, Frederick T. (R) 119 Bennett Circle. E., R. R. 1 Elmira, N. Y. (Corning Glass Works) R o ster 109 STORER-FOLT, John P. (RI) 1520 Kenneth Dr. Port Credit, Ont., Canada (Refractories Engineering & Supplies Ltd.) STOTT, A. E. ^^ttferard Johns & Co., Ltd. ^^^B iitage Sanitary Pottery Rugeley, Stafford, England STOTT, Joseph A. (R) North American Refractories Co. 1012 National City E. Sixth Bldg. Cleveland 14, Ohio STOUT, John R. (W) 706 E. Franklin, Macomb, 111. (Illinois Edison Porcelain Div. McGraw Edison Co.) STOUT, Joseph V. (E) 102 S. Fourth Ave. Highland Park, N. J. (Metal fc Thermit Corp.) STOUT, Lester L. (S) Ohio State University Research Foundation 1314 Kinnear Rd. Columbus 8. Ohio STOVER, Edward R. (B) General Electric Co. Research Lab. 123 MB Box 1088, Schenectady 8, X. Y. STOVER, Walter J. (G> Continental Silica Co. Box 124. Somonauk, 111. ST. PIERRE, Philippe D. S. (B) General Electric Co., Research Lab. Metallurgy & Ceramics Div. ' Box 1088, Schenectady, N. Y. STRADLEY, J. Grant (I) 1950 Korbel Ave., Lot 93 Columbus 11, Ohio STRADLEY, Norman (RI) Minnesota Mining & Mfg. Co. .2301 Hudson Rd., St. Paul 6, Minn. IGHT, Lee H. (MI) aight Engineering Co. Bx 176, Adel, Iowa STRATTON, Warren ' * 102L Garden Dr., Aberdeen, Md. STRATTON, Mrs. W. B. (D) Pewabic Pottery, 10125 Jefferson Ave. Detroit 14, Mich. STREATOR BRICK CO., DIV. { HYDRAULIC-PRESS BRICK CO. ' (James R. D. Stansfield) . Streator, 111. STRIMPLE, J. H. (B) National Lead Co., Titanium Div. Box 58, South Amboy, N. J. STRINGFELLOW, Allen E. (W) < 544 Woodland Ave., Haddonfield, N. J. y (I-T-E Circuit Breaker Co.) SffROBACH, Carl G. (E) Rheem Mfg. Co. V.\ 2600 S. Kedzie Ave., Chicago 29, 111. STROD, Arvid J. (MI) 5... Industrial Metals Improvement Co. : -f' The Park Bldg., Pittsburgh 22, Pa ;STROH, Donald G. (WJ) -V. 303 X. Whitney St., Carroll, Iowa (Universal-Rundle Corp.) 'STRONG. Kenneth B. (M) \_. 4624 Belmont Park Terrace Nashville 12, Tenn. (Titanium Alloy Mfg. Div., fij.-; National Lead Co.) *J1tO TT, Adolf J. (R) 't^ :.S 97 Crooks Ave., Clifton, N. J. pi(N ational Beryllia Corp.) &OUD, Harold L. (M) J09 Bembridge Rd., Royal Oak, Mich ampion Spark Plug Co.) JP, Philip T. (R) ^ Aluminum Co. of America Box 772, New Kensington, Pa. *OUPE, Howard E,, Jr. (WI) W heeling Tile Co., Wheeling, W. Va . 37, No. 10 (1958) STRUCTURAL CLAY PRODUCTS INSTITUTE .(Harry C. Plummer) 1520 18th St., N. W. Washington 6, D. C. STRUCTURAL CLAY*PRODUCTS RESEARCH FOUNDATION (Paul V. Johnson) Geneva, 111. STRUEB1NG, Harold J. (R) 1215 Military Rd., Buffalo 17, N. Y. (R. C. Remmey Son Co.) STUART, James W. (R) 1108 Vilsmeier Rd., Lansdale, Pa. (Tabor Mfg. Co.) STUBB1NS, William J. (W) Fabrica de Loza "El Anfora", S. A. Box 508, Mexico 9, D. F. STUBBS, John M. (M) 45 Laubert Rd., Conshohocken, Pa. (National Gypsum Co.) STUCKEY, Jasper L. (X) 1911 Sunset Dr., Raleigh, N. C. (North Carolina Dept, of Conservation & Development) STUCKEY, R. C. (W) Knox Porcelain Corp. Box 2031. Knoxville 1, Tenn. STUNTZ, Robert P. (R) Babcock & Wilcox Co. 161 E. 42nd St., New York 17, N. Y. STURM, William F. Box 826, Alfred. N. Y. STYER. Charles A. (RI 11 Roxbury Rd.. Forest Hills Pittsburgh 21, Pa. (Vesuvius Crucible Co.) STYHR, Karsten H.. Jr. National Lead Co., Titanium Div. Box 58. South Amboy, N. J. SUBBARAO. Eleswarapu C. (LI) 908-A Stevendale Dr. Pittsburgh 21, Pa. (Westinghouse Electric Corp.) SUBRAHMANYAM, Sanga V. (G) I-H Arlene Village, Millville, N. J. (T. C. Wheaton Glass Co.) SUCH CLAY CO. (M. M. McHose, Jr.) Box 47, Perth Amboy, N. J. SULENS, Henry A. (M) Ceramic Supply Co., Div. Ferro Corp. Box 151, Crooksville, Ohio SULLIVAN, Eugene C. (GF) Coming Glass Works, Coming, N. Y. SULLIVAN, H. C. (B) Giannini Plasmadyne Corp. 18400 S. Main St., Santa Ana, Calif. SULLIVAN, James D. (E) 4272 N. 24th Pl,, Milwaukee 9, Wise. (A. O. Smith Corp.) SULLIVAN, John D. (BFI) ' Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio SULLIVAN, Joseph C. (B) 38 Fulton St., Corning, N. Y. (Coming Glass Works) SULLIVAN, Paul A. (GI) 624 Adeline Dr.. Webster, N. Y. (Bausch & Lomb Optical Co.) SUMMERS. Michael F. (G) General Electric Co. Box 699, Logan, Ohio SUMRELL. Ferrall N. (E) 707 Henry St., Uniondale, L. L, N. Y. (Hardwick, Hindle, Inc.) SUN. K. H. (GF) 2131 Lindsay Rd., Pittsburgh 35, Pa. (Westinghouse Electric Corp.) SUNDY. George J. 95 N. Mill St., West Nanticoke, Pa. SUR ENAMEL & STAMPING WORKS, LTD. (M. M. Sur) 24 Middle Rd., Entally Calcutta 14, India SUR. M. M. Sur Enamel & Stamping Works, Ltd. 24 Middle Rd., Entally Calcutta 14, India SURFACE COMBUSTION CORP. (Harvey C. Weller) 2375 Dorr St. Toledo 1. Ohio SURFLEET, Harold Kaylene Laboratories, Waterloo Rd. London, N. W. 2, England (Kaylene (Chemicals) Ltd.) SUTHERLAND, Clark (S) Robinson Clay Product Co. 65 W. State St., Akron 9, Ohio SUTHERLAND, Frank R. (RI) 511 Rainbow Dr., Kokomo, Ind. (Haynes Stellite Co.) SUTPHEN, F. G. (X) 2605 Central Ave., Middletown, Ohio SUTTON, Paul M. (G) Coming Glass Works, Corning, N. Y. SUTTON, Willard H. (B) General Electric Co., Rm. 3872, MOSD 3198 Chestnut St., Philadelphia 4, Pa. SUTTON, W. J. (RI) 24 High St., Alfred, N. Y. (State University of New York, College of Ceramics) SVEC, J. J. (WFI) Ceramic Industry 5 S. Wabash Ave., Chicago 3, 111. SVIKIS, Voldemars D. (R) Dept, of Mines & Tech. Surveys Industrial Minerals Div.Ceramic Sect. 40 Lydia St., Ottawa, Ont., Canada SWAIN, Arthur B. (G) Owens-Illinois 1700 N. Westwood Ave. Toledo 7, Ohio SWAIN, Richard S. (GJ) 5414 Third St., Verona, Pa. (Pittsburgh Plate Glass Co.) SWALM, Phaon H. (W) 1650 Chapline Lane, Sarasota, Fla. SWANSON, Leroy M. (RJ) 15 Carolina St., Jamestown, N. Y. (Norton Co.) SWANSON, Ralph A. (W) Box 113. Le Roy, N. Y. (Lapp Insulator Co., Inc.) SWART, Robert (L) 8 Seneca Circle, Seneca Falls, N. Y. (Svlvania Electric Products, Inc.) SWEARENGEN, Jack C. (G) United Can & Glass Co., Glass Div. Box 3457, Havward, Calif. SWEET, Larrie H. Box 787, Alfred, N. Y. SWEITZER. Mark (WI) 747 N. Mentor, Pasadena, Calif. (S. Paul Ward, Inc.) SWENTZEL, John P. (RI) 130 Beacon Hill Dr., Metuchen, N. J. (Carborundum Co.) SWEO, Benjamin J. (EFI) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio SWICA, Joseph J. Box 165, Alfred, N. Y. SWICKER, Victor C. (GF) 907 Floral Dr., Whittier, Calif. (American Potash & Chemical Corp.) SWIFT, Howard R. (GF) Libbey-Owens-Ford Glass Co. 1701 E. Broadwav. Toledo 5, Ohio SWIFT, Prentiss P. (R) 3029 Hillcrest Rd., Bethel Park, Pa. (Quiglev Co., Inc.) SWIGART, Joseph J. (M) Vitro Manufacturing Co. 60 Greenwav Dr., Pittsburgh 4, Pa. SWINDELL-DRESSLER CORP. (Philip Dressier) Box 1888 Pittsburgh 30, Pa. SWINEHART, David C. 3808 Ashworth Ave., Seattle 3, Wash. SWINNERTON. Bertram B. (W) 157 Hampden Park. Tiffin. Ohio (American Radiator St Standard Sanitary Mfg. Co.) SWINNERTON, George R. (M) Box 944, Alliance. Ohio (Moore & Munger) SYLVANIA ELECTRIC PRODUCTS. INC. (B. S. Ellefson) 1740 Broadway, New York 19, N. Y. R oster 111 YLVESTER, George R. (MI) Sylvester & Co. 17706 Miles Ave., Cleveland 28, Ohio ZYMASZEK, Jan Walter (R) 121 Muir Ave. Niagara Falls, Ont., Canada ^atetis Research Labs. ^ ^ ^ B ro Metallurgical Co.) ABATA, Seiichi Sasaki Glass Mfg. Co., Ltd. 1.1-Chome Yokokawa-Bashi Sumida-ku, Tokvo, Japan ADSEN, V. S. (G) Gibsonburg Lime Products Co. Gibsonburg, Ohio AELER, David H. (El) 812 Poplar St., Erie, Pa. (Erie Enameling Co.) AILBY, Roland V. (WI) Stylon Corp., Milford, Mass. AKAHASHI, Kakuichiro (F) Nippon Glass Co. Ltd. No. 20, 1-chome Shiba Shinbashi Minato-ku, Tokyo, Japan ALBOTT, Paul T. (R) McLain Works. H. K. Porter Co.. Inc. Wellsville, Ohio ALLAN, Norman M. Box 1298, Alfred, N. Y. ALSO, Warner W., Jr. 4524 19th N. E., Seattle 5, Wash. ALWALKAR, T. W. 8 Bagmati Rd., Jamshedpur, India (Tata Iron & Steel Co., Ltd.) ANBERG, Ragnar Drammens Glassverk Drammen, Norway ANNER, James T,, Jr. (WI) Harris Clay Co., Spruce Pine, N. C. AO, Yung (L) 1903 Hanover St., Apt. 4 ^flBteburgh 18, Pa. ^ ^ ^ n tin g h o u se Electric Corp.) A ^ P rc K I. Walter J. (LI) '1718 High St., Orrville, Ohio (Alite Div., U. S. Stoneware Co.) ARNOPOL, Milton S. (G) 943 Ninth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) ASH, Daniel B. (M) 516 W. Brightwood St. Monterey Park, Calif. (Southern California Minerals Co.) ASHIRO, Megumi Institute for Chemical Research Kyoto University Takatsuki, Osaka, Japan ATE, Frank E. (WI) 310 Tenth St., Lincoln, III. (Stetson China Co.) ATEM, William A. (R) Box 154. Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) ATNALL, U. Francis Box 162. Darlington, Pa. AUBER. Charles B. (L) 921 Signal Rd., Signal Mountain, Tenn. (American Lava Corp.) AUBER. John A. (RI) 3190 Mayflower Rd. Plymouth Meeting, Pa. (E. J. Lavino & Co.) AUBLIEB. Marvin E. (R) Kaiser Aluminum & .Chemical Sales, Inc. 21957 Seabury Ave. Fairview Park 26, Ohio John B.-(W) bville Pottery Co., Inc. 'E . Bloom, Louisville 8, Ky. SVLOR. Alan W. (B) gfTennessee Valley Authority if'iDiv. of Chemical Development HWilson Dam, Ala. ft. 37, No. 10 (1958) TAYLOR, Charles D. (S) 219 Corriher Ave., Salisbury, N. C. (Taylor Clay Products, Inc.) TAYLOR, Charles H. (R) 8 E. Sutton Ave., Moorestown, N. J. (R. C. Remmey Son Co.) TAYLOR, Donald E. (R) 2522 Rhodes Dr., Augusta, Ga. (Babcock & Wilcox Co.) TAYLOR, Fran (G) Gay Fad Studios, Lancaster, Ohio TAYLOR, Hiram D. (B) Diamonite Products Manufacturing Co. Shreve, Ohio TAYLOR, Howard U. (LI) Centralab Div., Globe-Union Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. TAYLOR, J. J. (W) Ohio Brass Co., Barberton, Ohio TAYLOR, Kenneth M. (R) 1045 River Rd., Lewiston, N. Y. (Carborundum Co.) TAYLOR, Louis J. (W) Laboratory Equipment Corp. Box 151, St. Joseph, Mich. TAYLOR, Nelson W. (BF) Minnesota Mining & Mfg. Co. Fluorochemicals Div. 900 Bush Ave., St. Paul 6, Minn. TAYLOR, Richard A. (S) Clay Products Assn, of the Southwest 109 Perry-Brooks Bldg., Austin, Texas TAYLOR, Robert B. (SF) Structural Clay Products Research Foundation, Geneva, III. TAYLOR, SMITH * TAYLOR CO. (E. P. Wright) Chester, W. Va. TAYLOR, Thomas J. (R) 816 Sterner Mill Rd., Trevose, Pa. (R. C. Remmey Son Co.) TAYLOR, Walter E,, Jr. (W) Thomas Works Delta-Star Electric Div. H. K. Porter Co., Lisbon, Ohio TAYLOR, William C. (GF) Coming Glass Works, Coming, N. Y. TAZELAAR, George J. (M) 22335 Lorain Rd. Fairview Park 26, Ohio (West Virginia Pulp & Paper Co., Polvchemicals Div.) TEAGUE, A. D. (R) Babcock & Wilcox Co. 1133 Druid Park Ave., Augusta, Ga. TEAGUE BRICK & TILE CO. (L. R. Boyd, Jr.) Box 329, Teague, Texas TEAGUE, Jo M., Jr. (GI) Owens-Illinois Technical Center 1700 N. Westwood Ave., Toledo 7, Ohio TEAGUE, William T. 209 McCord St., Marietta, Ga. TEETER, John N. (E) 677 Wilmot Rd., Deerfield, 111. (Thomas C. Thompson Co.) TEETOR, Paul (BF) 72 E. Main St., Somerville, N. J. (Central Commercial Co.) TEFFT, Glenn C. (S) Claycraft Co., Shawnee, Ohio TEFFT, Phillip W. (SFI) Claycraft Co., Box 866 Columbus 16, Ohio TEFFT, Willard H. (S) Claycraft Co., Spring St. Upper Sandusky, Ohio TEGELLABORATORIET (Brick Laboratory), (Christer Enberg) Drottning Kristinas vag 45 Stockholm 0. Sweden TEICHMANN, Henry F. (G) Henry F. Teichmann, Inc. Box 11661, Pittsburgh 28, Pa. TEICHMANN, Newton N. (G) 316 Hardy Dr., Bridgeville, Pa. (Henrv F. Teichmann, Inc.) TENNERY, Victor J. University of Illinois 204 Ceramics Bldg., Urbana, 111. TERMAN, Mark J. (R) Babcock & Wilcox Co. 161 E. 42nd St., New Y'ork 17, N. Y. TERRY, Griffin E. (E) 602 E. Willow, Wheaton, 111. (Hotpoint Co.) TERRY, Jack H. (E) 4321 Fairfield Ave., Fort Wayne, Ind. (General Electric Co.) TESTA, Aldo P. S. A. Comercio e Industrias Souza Noschese Rua Julio Ribeiro 243 Sao Paulo, Brazil TEXAS BRICK CO. (W. T. Gill, Jr.) Box 510, Brownwood, Texas TEXAS VITRIFIED PIPE CO. (Paul E. Hoey) Box 117 Mineral Wells, Texas THALER, Joseph M. (L) 85-14 Broadway, Elmhurst 73, N. Y. (Hartford, Thaler & Co.) THATCHER GLASS MFG. CO,, INC. (Roy S. Arrandale) 1901 Grand Central Ave., Elmira, N. Y. THEISSING. E. M. Bredero s Bouwbedrijf N. V. Kanaaldijk 22, Utrecht, Holland THEOBALD, Erwin F. (S) 1516--18th St., N. W., Canton 3, Ohio (Metropolitan Brick, Inc.) THEOBALD, Paul R. Box 80, Atlanta 13, Ga. THEWS, Karl B. (L) 83-09 Talbot St. Kew Gardens, L. I., N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) THIELKE, Norman R. (B) National Carbon Co., Research Labs. Box 6116, Cleveland 1, Ohio THIEMANN, John W. (WI) Alite Div., U. S. Stoneware Co. Box 119, Orrville, Ohio THIEMECKE, Harry W. (WFI) Homer Laughlin China Co. Newell. W. Va. THIESS. L. E. (LF) Insulator Dept., General Electric Co. Box 57, Baltimore 3, Md. THOMAS, Charles W. (Honorary) Clifton House, Old Swinford Stourbridge, England (E. J. & J. Pearson, Ltd., Firebrick Works) THOMAS, David W. (WI) R. R. 1, Box 88, Lucas, Ohio (Mansfield Sanitary, Inc.) THOMAS, Everett A. (RI) 2703 Shaffer Ave., Cincinnati 11, Ohio (Chas. Taylor Sons Co.) THOMAS, H. H. (M) 35 Highboy Court, Red Bank, N. J. (Pemco Corp.) THOMAS. M. J. (M) A. E. Staley Manufacturing Co. Decatur, 111. THOMAS, Richard V. (R) 195 St. Nicholas Ave. Worcester 6, Mass. (Norton Co.) THOMAS, Robert B. (EJ) 1321 S. Broad St., Philadelphia 47, Pa. (Naval Boiler & Turbine Lab.) THOMAS, Robert H. (B) 2160 Delaware Dr. Cleveland Heights 6, Ohio (Case Institute of Technology) THOMASSON, Gene I. (G) 29005 Homewood Dr., Wickliffe, Ohio (General Electric Co.) THOMAS WORKS DELTA-STAR ELECTRIC DIV. H. K. PORTER CO. (Frank Mason) Lisbon, Ohio THOMPSEN, Robert S. (R) 1213 Azalea. Augusta, Ga. (Babcock & Wilcox Co.) R oster 113 IOMPSON, A. Paul (RF) Research Laboratories Eagle-Picher Co., Joplin, Mo. IOMPSON, Clyde L. (RFI) 4922 New Plymouth Rd. Pittsburgh 27, Pa. ^farbison-W alker Refractories Co ) ^ p O N , David E. ^ ^ 8 2 7 , Alfred, X. Y. IOMPSON, E. A. (E) Crane Steelware Ltd. Industrial Centre 5 Quebec, Que., Canada IOMPSON, Franklin S. (W) 25 Schenck Ave., Matawan, N. J. (Atlantic Tile Mfg. Co.) -lOMPSOX, Fred W. (R) 240A Thomas Dr., Wilmington 6, Del. (E. I. du Pont de Nemours & Co.) IOMPSON, Frederick S. (RF) Corhart Refractories Co. 940 Commonwealth Bldg. Louisville 2, Ky. TOMPSON, G. L. Borax & Chemicals, Ltd. 35 Piccadilly. London, \Y. 1, England HOMPSON, John D. (E) 2731 Thedford Rd. Birmingham. Mich. (Briggs Manufacturing Co.) TOMPSON, Matthew S. (G) Puerto Rico Glass Corp., Box 4272 San Juan, Puerto Rico HOMPSON, Noel M. (R) 721 Shady Lane, Pittsburgh 34, Pa. (Lumnite Cement Div. . Universal Atlas Cement Co.) HOMPSON, Robert R. (G) 4645 Stengel Ave., Toledo 14, Ohio (Owens-Illinois) HOMPSON, Capt. William M,, Jr. (BI) WADC, Area B, Box 8308 Wright-Patterson AFB, Ohio HOMSON, Homer G. (L) W. Howard St. ukee 14, Wise. Bradley Co.) HOMSON, James K. (L) 2 McMaster PL. Bath, N. Y. (W'estinghouse Electric Corp.) HR, Murner E. (RI) Box 109, R. R. 4, Pewaukee, Wise. (Norton Co.) HORNE, James E. (WJ) Case Manufacturing Corp. Robinson, 111. HORNGATE, Bruce W. (W) 1841 Oakland Blvd. Fort Worth, Texas (Roval Tile Mfg. Co.) HORNTON, George A. (M) Ottawa Silica Co., Box 437 Ottawa, III. HORNTON, H. Richard (EJ) National Bureau of Standards Enameled Metal Section Washington 25, D. C. HORNTON, Paul E. (WI) 1708 La Taza Dr., La Canada, Calif. (Ferro Corp.) HORSON, Charles W. (X) Hauck Manufacturing Co. 423 McNeillv Rd.. Pittsburgh 26, Pa. HRASHER, William R. (D) 270 Merriman Rd., Akron 3, Ohio (Model Ceramics, Inc.) HROPP, Herreld D. (M) Shenandoah Silica Co., Inc. 190 W. State St., Trenton 8, N. J. 'HUENER, Everett E. (M) General Electric Co. 59, Rm. 101 fcnectadv 5, N. Y. . i.AUER, Hans (BFI) T' Minnesota Mining & Mfg. Co. it* Central Research Dept. ' Ceramics Sect. "2103 Hudson Rd., St. Paul 6, Minn. % , 37, No. 10 (1958) THUT, Walter W. TOLSTOY, M. A. G. Hunziker & Cie, Lagerstrasse 1 Ets. Franck & Steeman, S. A. Zurich, Switzerland THWIN, Maung Oo Box 216, Alfred, N. Y. TIBBALS, Harvey L. (MIJ 20, Avenue Emmanuel Brussels 13, Belgium TOM, Elgin M. (G) 4208 Marlaine Dr., Toledo 6, Ohio 542 Santa Barbara Rd. (Owens-Illinois) Berkeley 7, Calif. (Minneapolis-Honeywell TOMASEK, A. J. (R) Walsh Refractories Corp. Regulator Co.) 101 Ferry St., St. Louis 7, Mo. TICE, Henry B,, Jr. (L) 537 S. Ninth Ave., La Grange, 11!. (Zenith Radio Corp-.) TICKLE, William H. F. "Brown Stacks," Caldy Nr. West Kirby, Cheshire, England (Manchester College of Technology) TIDD, Elbert D. (L) Bell Telephone Labs, Inc., Rm. 3B-266 Whippany, N. J. TIEDE, Ralph L. (G) ' Owens-Coming Fiberglas Corn Case Ave., Newark, Ohio TIERNON, Carlos H. (M) Deister Concentrator Co. 901-935 Glasgow Ave. Fort Wayne, Ind. TOMKINS. David E. (M) R. R. 5, Eastbrook Rd., New Castle, Pa (Shenango China, Inc.) TOOL, Arthur Q. (GF) 7325 Carroll Ave. Takoma Park 12, Md. (National Bureau of Standards) TOOLEY, F. V. (GF) " 611 W. Oregon, Urbana, 111. (University of Illinois) TOPPING, John (R) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. TOPPING, Stanley M. 444 Cleveland Ave., Hornell, N. Y. TORGAL, K. G. "Happy Home," Mannarpuram TIFTICKJIAN, John D. (W) Tiruchirapalli, S. India Winburn Tile Mfg. Co. (Jamal Mohamed College) 1709 E. Ninth St., Little Rock, Ark. TORNO, Ralph F. (E) TILLOTSON, Clifford (R) 410 Front St., Berea, Ohio Tillotson Refractories Co. (McGean Chemical Co.) Box 398, Corona, Calif. TOROK, Julius J. (G) TILLOTSON, E. Ward (GF) 3344 Gallatin Rd., Toledo 6, Ohio 505 S. Murtland Ave., Pittsburgh 8, Pa. (Owens-Illinois) (Mellon Institute) TORRANCE. Fred E,, Jr. (B) TIMBERLAKE, John J. (G) Forter-Teichmann Co. 1212 Clark Bldg., Pittsburgh 22, Pa. TIMMINS, Albert R. (B) 11010 Bucknell Dr., Silver Spring, Md. (U. S. Naval Ordnance Lab.) TINKER, Dean (M) Granville, Ohio (Ohio Kilns, Inc.) TINKLEPAUGH, J. R. (RI) State University of New York College of Ceramics at Alfred Univ. Alfred, N. Y. TISDALE, Richard L. Box 1365, Alfred, N. Y. Pomona Tile Mfg. Co. Box 633, Arkansas Citv, Kans. TORREYSON, William F., Jr. (R) Aluminum Co. of America 1800 Rhodes-Haverty Bldg. Atlanta 3, Ga. TOSTEVIN, Edgar R,, Jr. (LI) R. R. 3, Quakertown, Pa. (Western Electric Co.) TOULOUSE, Julian H. (GFI) 1817 Potomac Dr., Toledo 7, Ohio (Owens-Illinois) TOWNSEND, Franklin M. (L) Aluminum Co. of America Box 497, East St. Louis, 111. TOWNSEND. William O. (GI) TITANIUM ALLOY MFG. DIV. 2763 Nottingham Rd. NATIONAL LEAD CO. Columbus 21, Ohio (W. J. Baldwin) Box C, Bridge Station (Federal Glass Co.) Niagara Falls, N. Y. TOWNSLEY, Jesse M,, Jr. (G) TITLAR, James M. (LJ) Corning Glass Works 91B Fairmont Ave., Kingston, N. Y. Houghton Park, Corning, N. Y. (Ferroxcube Corp.) TRABERT. Loren A. (LI) TOBERG, John (E) Shepherd Chemical Co. General Electric Co. 1811 LeMoyne Ave., Syracuse, N. Y. 2803 Highland Ave. TRAX, Alan M. (G) Cincinnati 12, Ohio Radio Corp. of America TOBEY, Henry M. (S) 3301 S. Adams St., Marion, Ind. Dow Chemical Co., Midland, Mich. TREDENNICK, William T. (RI) TOCKER, Edwin (GJ) 4331 Norfolk Ave., Baltimore 16, Md. (Buck Glass Co.) Refractory Specialties Co. 2200 Washington Ave, Philadelphia 46, Pa. TODD, Henry (W) Dee Lane, Queenston, Ont., Canada (Canadian Ohio Brass Co.) TOEPFER, George (Wr) Canadian Potteries Ltd. 360 Blvd. Sminaire St. Johns, Que., Canada TREFFNER, Walter S. (R) 440 W. Maple Rd. Linthictim Heights, Md. (General Refractories Co.) TREISCHEL, C. C. (WFI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. TOLAND, Donald A. (E) United States Steel Corp. Applied Research Lab. TRENTON POTTERIES CO. Plants 1 & 2, 309 N. Clinton Ave. Box 141, Trenton, N. J. Monroeville, Pa. TREPTOW, Arnold W. (E) TOLER, Herbert R., Jr. (L) Bell Telephone Labs. 316 Second Ave., Marengo, 111. Murray Hill, N. J. (Arnold Engineering Co.) TREVOR, John F. TOLLIVER, Billy R. Moira Rd., Woodville 1627 Virginia, Illini-Village Nr. Burton-on-Trent, England Urbana, 111. (John Knowles & Co., Ltd.) TOLLY, Donald B. (E) TRIBE, Harold G. 122 Hudson Ln., Fern Creek, Ky. Electricity Meter & Allied Ind., Ltd. (General Electric Co.) Box 4, Waterloo, Sydney, Australia R oster 115 SINIDAD c l a y p r o d u c t s , l t d . S(Harold A. Eckel) 44, South Quay Port of Spain, Trinidad, B. W. I. u n it y CERAMIC SUPPLY, INC. ;(E. O. Davidson) 7 100 Howell St., Dallas, Texas KIN, Robert L. (W) ollege, Cleveland, Miss, eramic Tile Co.) [arlan P. (El) . ; 3605 Winchester Rd., Louisville 7, Ky. (General Electric Co.) ROGOLO, Ensign John A. Engineering Dept. U. S. S. Forrestal (CVA-59) F. P. O., New York, N. Y. ROMPETER, Bernard J. (W) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. ROST, Frank W. (R) Chas. Taylor Sons Co. 5 Haddon Ave., Haddonfield, N. J. ROSTEL, L. J. (RFI) General Refractories Co., Box 1673 Baltimore 3, Md. ROSTEL, Louis J., Jr. (RI) Norton Co., 1 New Bond St. Worcester 6, Mass. ROY, H. Neal (RI) . Owens-Illinois Technical Center 1700 N. Westwood Ave., Toledo 7, Ohio ROY, Walter J. (E) 888 Chili Ave., Rochester, N. Y. (Pfaudler Co.) RUESDALE, Richard S. (I) Box 275, Alfred, N. Y. RUMBULL, James L. 606 W. 83rd, Seattle 7, Wash. 'RUMPLER. Alfred L. (L) Harper Electric Furnace Corp. : 110 Pearl St., Buffalo 2, N. Y. SE, Shou-cheng (LI) V'H38u0n6t-iAngEto. n61sPtaSrkt., Calif. Jar Manufacturing Corp.) JHASHI, Shoji University, Dept, of Chemistry .(viFaculty of Science, Mikage, Kobe. Japan "SUKADA, Kenichi ; 69 Shirogane Sarumachi, Shiba *r;Minato-Ku, Tokyo, Japan '(Dai-Ichi Glass Co.) TICKER. Donald J. (MI) .. 2114 Winthrop Rd. . Huntingdon Valley. Pa. ; (A. P. de Sanno & Son Co.) VCKER, Edward F. (R) Stebbins Engineering & Mfg. Co. A 363 Eastern Blvd., Watertown, N. Y. TICKER, Harvey C. (WI) Ferro Corp., 4150 E. 56th St. V Cleveland 5, Ohio TICKER, Roland E. (WI) Trenton Potteries Co. ''7.309 N. Clinton Ave., Trenton, N. J. TlNG, Chi Fang (G) 162 Salem Place 3 White Bear Lake 10, Minn. C (Minnesota Mining & Mfg. Co.) TING, Rev-Ching - :31 Soares Ave., Grd. Fir. j! Kowloon. Hong Kong c (I-Feng Enamelling Co. (H. K.) Ltd.) TIRBETT, Paul E. (MI) V. It. R. 1, Dresden Hwy., Paris, Tenn. (H. C. Spinks Clay Co., Inc.) t CK, Raymond L. (M) 165 Hampden Park, Tiffin, Ohio [Sterling Grinding Wheel Co.) JgCOTTE, Richard F. (R) Lockett & Co. Ltd. 1426, Houston 1, Texas _ sINI, Robert (G) ^Coming Glass Works, Fallbrook Plant ^Coming, N. Y. ItK, Harold L. Box 574, Alfred, N. Y. 37, No. 10 (1958) TURK, Richard H. (EFI) Pemco Corp., 5601 Eastern Ave. Baltimore 24, Md. TURLEY, Charles L. (B) B. F. Drakenfeld & Co., Inc. Box 519, Washington Pa. TURNBAUGH, Jerry E. 5310 33rd Ave. S., Seattle 8, Wash. TURNBULL, Edward D. (W) 312 Fairview Ave. Clarks Summit, Pa. TURNBULL, John C. (G) Radio Corp. of America RCA-Victor Div., Lancaster, Pa. TURNER, A. A. (R) 153 Lake Ave., Metuchen, N. J. (Carborundum Co.) TURNER, Donald Lodge Plugs Ltd., St. Peter's Rd. Rugbv, Warwick, England TURNER, Mort D. (B) ' Calle 12 de Octubre 414 Hato Rey, Puerto Rico (Puerto Rico Minerology & Geology Section) TURNER, P. P., Jr. (RI) 46 Imbler Dr., Cincinnati 18, Ohio (General Electric Co.) TURNER, Reginald E. (W) Monarch Tile Manufacturing, Inc. 602 S. Oakes St., San Angelo, Texas TURNER, W. E. S. (Honorary) 30 Whitworth Rd., Ranmoor Sheffield 10, England TUTTLE, Milton A. (R) Box 981, Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) TWELLS, Robert (BLFI) Electric Auto-Lite Co., Spark Plug Div., Box 231 Fostoria, Ohio TWELLS, Robert G. (GI) 2824 Edgecliff Rd. New Kensington, Pa. (Pittsburgh Plate Glass Co.) TWYFORDS, LTD. Cliffe Vale Potteries Stoke-on-Trent, England TYGART VALLEY GLASS CO. (E. A. Hinkins) Box 503 Washington, Pa. TYLER, W. S., CO. (C. E. Jenks) 3615 Superior Ave., N. E. Cleveland 14, Ohio TYRRELL, Miles E. (R) Box 412, Norris, Tenn. (U. S. Bureau of Mines) TYSINGER, Ted W. (S) Box 265, Pleasant Garden, N. C. (Boren Clay Products) u UDAGAWA, Shigekazu (B) Pennsylvania State University Dept, of Ceramic Technology University Park, Pa. UELTZ, H, F. G. (B) 380 Walnut St., Shrewsbury, Mass. (Norton Co.) UHRMANN, Carl J. (GF) Overlook Ct., Bellaire, Ohio (Arthur W. Schmid Co., Inc.) ULRICH, Robert J. (E) American--Standard 1541 S. Seventh St., Louisville 8, Ky. UNION FRANAISE DES PRODUITS REFRACTAIRES (Louise Halm) 15, Rue de Milan, Paris 9e, France UNITED CLAY MINES CORP. (K. E. Ward) 101 Oakland St. Trenton 6, N. J. UNITED STATES BORAX & CHEMICAL CORP. (M. H. Pickard) Pacific Coast Borax Co. Div. 50 Rockefeller PI., New York 20, N. Y. UNITED STATES GYPSUM CO. (Robert Hamilton) 300 W. Adams St. Chicago 6, 111. UNITED STATES STEEL CORP. (W. S. Debenham) 525 William Penn PI. Pittsburgh 30, Pa. UNIVERSAL CLAY PRODUCTS CO. (C. L. Evans) Box 1631, Sanduskv, Ohio UNIVERSAL DENTAL CO. (Joseph Kohn) 48th & Brown Sts. Philadelphia 39, Pa. UNIVERSAL POTTERIES, INC. (Harry E. Davis) Cambridge, Ohio UNIVERSAL-RUNDLE CORP. (A. L. Johnson) W. Keith McAfee Lab. Box 1268, Mahoningtown, Pa. UNIVERSAL-RUNDLE CORP. (H. P. Wangelin) 3305 W. Forest Home Ave. Milwaukee 15, Wise. UNUM, Robert F. (WI) 227 W. Sheridan Ave., New Castle, Pa. (Universal-Rundle Corp.) UPTON, Lee O. (G) American Optical Co. 14 Mechanic St., Southbridge, Mass. URBAN, Stephen F. (B) 268 Hartford Ave., Kenmore 23, N. Y. (Titanium Alloy Div., National Lead Co.) URNES, Sigmund (B) Pennsylvania State University Dept, of Ceramic Technology University Park, Pa. URODE, Raymond J. 70 Mildred Dr., Buffalo 25, N. Y. UTAH FIR E CLAY CO. (C. H. Myers) Box 127, Salt Lake City 10, Utah V VACCARO, Grace A. Box 576, Alfred, N. Y. VAIL, Milford R. (RJ) 4014 Spruce St., Philadelphia 4, Pa. (Naval Boiler & Turbine Lab.) VALENCIA, Camilo (W) Plaza Rio de Janeiro No. 52-5 Col. Roma, Mexico, D. F. (Ferro Enamel de Mexico, S. A.) VALENTINE FIRE BRICK CO. DIV. A. P. GREEN FIR E BRICK CO. (W. H. Peterson, Jr.) Woodbridge, N. J. VALENTINE, Peter Cooney (M) Del Monte Properties Co. 620 Market St., San Francisco 4, Calif. VAN AKEN, Robert C. (W) 20 Darby Dr. Huntington Station. N. Y. (Sperrv Gyroscope Co.) VAN ALSTEN, Roy L. (RI) 9168 Sarasota, Detroit 39, Mich. (Ford Motor Co.) VANCE, Clarence E. (WJ) 140 Overbrook Circle Spartanburg. S. C. (Kohler Co.) VAN CLEAVE, A. A. (R) 8100 McGroarty St., Sunland, Calif. VAN COTT, Harrison C. (B) R.R. 1, Horseheads, N. Y. (Coming Glass Works) VAN DER BECK, Roland (LI) Carborundum Co., Refractories Div. Latrobe, Pa. VANDERBILT, R. T., CO. (Ira E. Sproat) 230 Park Ave. New York 17, N. Y. VANDERMADE, Richard J. (R) 489 Willow Dr., Pittsburgh 16, Pa. (Carborundum Co.) VAN DRESER, Merton L. (RI) Kaiser Aluminum & Chemical Corp. Refractories Research Dept. 1600 S. Main St., Milpitas, Calif. R oster 117 an g eld er en , l . p. N. V. Ramie Union Box 51, Enschede, Holland AN GORDON, Donald V. (M) Metal & Thermit Corp., Rahway, N. J. AN HORN, Harry T. (M) Floral Park Rd. jklin Square, N. Y. ony Mobil Oil Co., Inc.) AN HORN, John H. 1103 W. Illinois, Urbana, 111. AN HOUTEN, Louis A. Fabricacin de Abrasivos S. A. Casilla de Correo 24 Campana, Argentina ANICK, Jantes S. (M) International Nickel Co., Inc. 67 Wall St., New York 5, N. Y. iS NIEUWENBURG, C. J. Laboratorium voor Analytische Scheikunde (Microanalyse) de Vries van Heystplein 2 Delft, Netherlands AN RAVESTEIN, John H. 14 Douglas Rd., "Green Manorville" Hazardville, Conn. AN SCHOICK, Emily C. (XF) State University of New York College of Ceramics, at Alfred Univ. Alfred, N. Y. AN SCHOIK, Dickson M. (MI) Stevenson Co., Wellsville, Ohio AN TASSEL, R. H. (E) 527 Green Tree Rd., Kohler, Wise. ' (Kohler Co.) 'AN VLACK, Lawrence H. (BI) Dept, of Chem. & Metal. Engineering University of Michigan Ann Arbor, Mich, ur WASSENHOVE, Pierre N. V. "De Sphinx" Maastricht, Holland 'AN WIGGEREN, Charles G. (W l) - . Simonds Abrasive Co. pny & Fraley Sts. ^delphia 37, Pa. E, Arthur F. (B) "3430 Inverness Ave., Toledo 7, Ohio (Owens-Illinois) 'RGA, Eugene L. (S) : Federal Seaboard Terra Cotta Corp. 2 Catherine St., Perth Amboy, N. J. rARSHNEI, Purshottam D. i U. P. Glass Works Ltd. y. Bahjoi, Dt. Moradabad, U. P. India ;/tSILOS, Thomas (B) fi-74 Cottage Park Rd., Winthrop, Mass. (AVCO Research & '^Advanced Devel. Div.) 'AUGHAN, W. Harry (XFI) . Cherokee Brick & Tile Co., Box 58 Waterville Rd., Macon, Ga. 'Ha l e , jack h . (R) s . 406 Reedwood Dr., Joliet, 111. A (Illinois Clay Products Co.) OIIGA, Roberto A. f ' Cermica Santa Helena Ltda. t.Rua 15 De Novembre 38 BPParanagua, Parana, Brazil ENABLE, Charles R., Jr. (RI) i: 660 S. Oak, Bartlesville, Okla. (Phillips Petroleum Co.) ^Enable, joe g. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. tNABLE, Ray H. Box 662, Georgia Tech. Sta. ^Atlanta, Ga. BA, Richard J. (M) (Schweitzer Equipment Co. p37(4 Ridge Rd., Cleveland 9, Ohio JCH, Antonio G. kituto de Edafologa y liologia Vegetal Serrano 113, Madrid 6, Spain |E S , Frank (B) g?2S McCord Rd., Toledo 6, Ohio (Owens-Illinois) 6.37, No. 10 (1958) VERZOCCHI, Enrico VOSE, Wilfred Via P. Cossa 1, Milano, Italy Winstones' Roofing Tile Works Ltd. (Refrattari Verzocchi) Box 2, Plimmerton, New Zealand VESUVIUS CRUCIBLE CO. VOSS, Marion J. (G) (T. H. Harley) Box 8275 319 W'estinghouse Rd. Swissvale, Pittsburgh 18, Pa. Horseheads, N. Y. VICARY, J. W. (E) (Thatcher Glass Mfg. Co.) Ervite Corp., Box 1927 VOSS, Raymond O. (G) Presque Isle Sta., Erie, Pa. 75 Corning Blvd., Corning, N. Y. VICTOR INSULATORS DIV. (Corning Glass Works) I-T-E CIRCUIT BREAKER CO. VOSS, Wendell G. (E) (H. Failmezger) 280 Maple Ave. 27814 Rexford Rd., Bay Village, Ohio Victor, N. Y. (Ferro Corp.) VIDANOFF, Richard B. (GJ) VRETOS, Ep. General Electric Co., Quartz Plant Hellenic Co. of Chemical Products Willoughby, Ohio & Fertilizers Ltd. VIDOS1C, Dorothy M. Leof. Amalias 20, Athens, Greece 2851 Buford Hwy., N. E. VUKOVICH, Milan, Jr. (MI) Atlanta 6, Ga. 3450 Rosewell Dr., Columbus 13, Ohio VIDPLAN S. A. (Daniel Ferres) (Godfrey L. Cabot, Inc.) Real No. 4415, Montevideo, Uruguay VIDRIERA MONTERREY, S. A. w (Alfonso F. Rodriguez) Apartado 162, Monterrey N. L., Mexico WABN IK, Fred VIGER, Burnett C. (G) 1483 Tvler Ave., East Meadow, N. Y. 130 E. Third St., Corning, N. Y. WACHTMAN, John B., Jr. (B) (Corning Glass Works) VILENSKY, Michel B. (R) 1515 27th Ave., San Francisco 22, Calif. National Bureau of Standards, Div. 9.1 Conn. Ave. & Van Ness St., N. W. Washington 25, D. C. (Ampex Corp.) WADE. Arthur VILLA M., Enrique Empresa de Refractarios Colombo "Hilltop," Parkside Ave. Cockermouth, Cumberland, England Suiza S. A., Apartado Aereo 7918 (Dorman, Smith Plugs Ltd.) Bogota. D. E., Colombia WADE, Don E. (W) VINAL, Francis E. (B) Misceramic Tile Radio Corp. of America Box 1070, Cleveland, Miss. 64 "A" St., Needham Heights 94. Mass. W'ADE, William S., Jr. VINCENT CLAY PRODUCTS CO. 7720 22nd Ave., N. W. (O. J. Whittemore) Seattle 7, Wash. 615-19 State Bank Bldg. WADSW'ORTH, Bruce Fort Dodge, Iowa Box 787, Alfred, N. Y. VINCENT, Edward P. (R) WAGGONER. Jack H. (GF) Kaiser Aluminum & 240 Quentin Rd.. N., Newark, Ohio Chemical Sales, Inc. (Fiber Glass Div. 3 Gateway Center, Pittsburgh 22, Pa. Pittsburgh Plate Glass Co.) VINCENT, George L. (WI) 22026 S. Millard Ave. Richton Park, III. ( Ceramic Industry1 VINE, Raymond W. Box 1328, Alfred, N. Y. VINES, Raymond F. (B) International Nickel Co. 67 Wall St., New York 5, N. Y. VINTHER, E. Heikel Porcelainfabriken Norden Valby Langgade 95 Copenhagen, Denmark VIOLA. Nazzareno, Jr. 52 Beechwood Ave., Watertown, Mass. VISCONTI di MODRONF. Raimondo Soc. Ceramics Richard Ginori 1 via Bigli. Milan. Ttalv WAGNER. Bruce F. (W) B. F. Wagner & Co. 186 N. Vernon Ave., Pasadena 3, Calif WAGNER, Charles D. (M) B. F. Wagner & Co. 186 N. Vernon Av., Pasadena 3, Calif. WAGNER, Harold C. (R) Shoreham Drive, Box 76G, R. R. 1 St. Joseph. Mich. (Laboratory Equipment Corp.) WAGNER, Harry E., Jr. (B) 6011 Connecticut Ct. Cincinnati 24, Ohio (General Electric Co.) WAGNER, Rio B. (M) 1398 Brice Rd., Reynoldsburg, Ohio (Perma Flex Mold Co.) VITACHROME. INC. (R. Pottinger) WAGNER, William D. (S) 421 E. Sixth St. Stillwater Clay Products Co. Los Angeles 14, Calif. Lock Drawer 32, Uhrichsville, Ohio VITOLO. Sylvester A. (RI) WAGSTAFF, Frank E. 62 Old Mill Rd.. Manhasset, N. Y. 1101 Campus Pky., Rm. 621 (Republic Aviation Corp.) Seattle 5, Wash. VITREOUS STEEL PRODUCTS CO. (Harold C. Wilson) Box 150. Nappanee, Ind. WAHL, Albert J. (M) A. J. Wahl, Inc., 8 Central Ave. Brocton, N. Y. VITRO MANUFACTURING CO. (Joseph J. Swigart) WAHLGREN. Wald A. B. Gustavsbergs Fabriker 60 Greenway Dr., Pittsburgh 4. Pa. Gustavsberg, Sweden VODICKA. Albert L. (E) Aetna Porcelain Enameling Co. 4701 Augusta Blvd., Chicago 51, 111 WAINER, Eugene (W) Horizons, Inc., 2905 E. 79th St. Cleveland 4, Ohio VOGEL, Ralph B. (M) National Lime & Stone Co., Carey, Ohio VONDRACEK, Jaroslav (X) WAIVER, Gedert J. (W) 909 87th St., North Bergen, N. J. (B. G. Corp.) 27 Cheshire Dr. WAKEFIELD, Richard E. B. (L) Toronto 18, Ont., Canada Hetherington, Inc. VON TURY, Francis J. (DF) 1420 Delmar Dr., Folcroft, Pa. Lehigh Ave., Perth Amboy, N. J. WAKELY, Wilbur T. (G) (Vontury, Inc.) Sylvania Electric Products, Inc. VOORHIES, John H. (W) 825 Lexington. Warren, Pa. 243 Arrow Hwy., Claremont, Calif. WAKSMAN, David (Pacific Tile & Porcelain Co.) Box 1374, Alfred, N. Y. Roster 119 V'ALDAL, James C. 2425 Second Ave., W. Seattle 99, Wash. VALDEN, Albert S. (R) National Carbon Co., Cleveland, Ohio VALK, Jack (G) ^ ^ 5 N. Eighth St., Millville, N. J. ^ ^ ^ n b l e Glass Co.) V B R , Henry E. (G) ^ m rd in g Glass Co., Sta. B, Box 38 ' Fort Smith, Ark. VALKER, Herbert M. (W) Walker China Co., Solon Rd. Bedford, Ohio VALKER. John Morgan Crucible Co., Ltd. Battersea Church Rd. London, S. W. 11, England VALKER, Raymond F. (B) National Bureau of Standards Washington 25, D. C. VALKER, Stuart D. (G) 112 E. Lake St., Skaneateles, N. Y. (Hevi-Duty Electric Co.) VALKER, Warren W. (B) 29 Laurel PI., Uuper Montclair, N. J. (Graphite Metallizing Corp.) VALKUP, D. H. (W) Kilgore Ceramics Corp., Box 1619 Kilgore, Texas WALLA, Max R. (W) 1515 Spring, Little Rock, Ark. WALLACE, Arthur B. (L) 135 N. 19th St., Olean, N. Y. (Hi-Q Div., Aerovox Corp.) WALLACE, Paul F. (BI) Aluminum Co. of America Alcoa Research Labs., Box 772 New Kensington, Pa. WALSH, Donald E. (G) Consolidated Feldspar Dept., International Minerals & Chemical Corp. East Liverpool, Ohio WALSH REFRACTORIES CORP. J. Tomasek) 101 Ferry St. ^ ^ ^ftL o u is 7, Mo. ^ e R, Jake J. (I) 497a Mill St., Worcester, Mass. WALTERS, Emmett L. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio WALTON, Jesse D., Jr. (E) 2080 Fairway Circle, N. E. Atlanta 19, Ga. (Engineering Experiment Station Georgia Institute of Technology) WALTON, Richard L. (W) Lenox, Inc., Pomona, N. J. WALWORTH, Chester A. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. WALWORTH, Claire B. (R) 3903 Barbara Ann Dr. Monroeville, Pa. (Carborundum Co.) WAMBOLD, Jack (B) Alloy Surfaces Co. 100 S. Justison St. Wilmington 1, Del. WAMPLER, Roy W. (G) Libbey-Owens-Ford Glass Co. Technical Bldg., 1701 E. Broadway Toledo 5, Ohio WANG, Chan-huan (L) 2509 N. W. Lovejoy St. Portland 10, Ore. V (Tektronix, Inc.) WANG, Franklin F. Y. (B) 4324 N. 27th St., Milwaukee 9, Wise. .* (A. O. Smith Corp.) WANGELIN, H. P. (E) giversal-Rundle Corp. W. Forest Home Ave. Hwaukee 15, Wise. $ S E b , George V. (R) tj.M c L a in Works, Refractories Div. H. K. Porter Co., Inc. 'jr Wellsville, Ohio WARD, George W. (G) 1049 W. 32nd Ave. Vancouver 9, B. C., Canada '(Consultant) WARD, John F. (R) 551 Chester PI., University Heights New Brunswick, N. J. (Rutgers, The State University School of Ceramics) WARD, K. E. (M) United Clay Mines Corp. 101 Oakland St., Trenton 6, N. J. WARD, Mrs. S. Paul.(M) 601 Mission St., Box 345 South Pasadena, Calif. (S. Paul Ward, Inc.) WARD, Thomas J. Box 3, Ogdensburg, N. Y. WARDE, John M. (RF) Union Carbide Ore Co. 30 E. 42nd St., New York 17, N. Y. WARE, Robert K. (I) 569 Hess Rd., Apt. B Columbus 10, Ohio WARFIELD, Robert A. (G) 1644 Kenwick Rd., Columbus 9, Ohio (Federal Glass Co.) WARNER, Arthur J. (L) Mvcalex Corp. of America 20 Passaic Ave., Caldwell, N. J. WARNER, Maurice E. (L) 18 Merritt Dr., Schenectady 6, N. Y. (Sierra Talc & Clay Co.) WARRELL, Lincoln A. (R) Aluminum Co. of America 744 Broad St., Newark 2, N. J. WARREN, George (El) Pfaudler-Permutit, Inc. 1000 West Ave., Rochester 3, N. Y. WARREN, William R. 1236 Wogan Rd., York, Pa. WARSHAW, Stanley I. 228 Foster St., Brighton 35, Mass. WARYGA, Casimer F. (R) 863 Colwyn Rd., Jenkintown, Pa. (Frank Samuel 4 Co., Inc.) WASHABAUGH, Grover C., Jr. (M) New Castle Refractories Co. New Castle, Pa. WASHINGTON PORCELAIN CO. (E. R. Miller) Willow St. Washington, N. J. WATANABE, Muneo (G) Preston Laboratories, Inc. Box 149, Butler, Pa. WATERS, Martin R. (WI) 22 Red Rose Way, Levittown, Pa. (Wenczel Tile Co.) WATKINS, George B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio WATKINS, Ray T. (S) U. S. Tariff Commission, Ceramic Div. Eighth 4 E Sts., N. W. Washington 25, D. C. WATKINS, Lt/jg. Robert V. (GJI) VW-15, NAS., Patuxent River, Md. (U. S. Navy) WATKINS, William E. (SI) 13112 E. Seventh Ave. Spokane 66, Wash. (Gladding, McBean 4 Co.) WATKINS, W. J. (M) Kentucky Clay Mining Co. Mayfield. Ky. WATSON, George F. (R) American Brake Shoe Co. Metallurgical Lab., Mahwah, N. J. WATT, Loren (W) Watt Pottery Co. Crooksville, Ohio WATT POTTERY CO. (Loren Watt) Crooksville, Ohio WATTS, Arthur S. (Honoraty, WFI) Lord Hall, Ohio State University Columbus 10, Ohio WATTS, Richard L. (I) 172 16th Ave., Columbus, Ohio WAUFLE. Harold E. 16J4 Greenwood St., Canisteo, N. Y. 1| ol. 37, No. 10 (1958) WAUGH, J. Stanley Mass. Inst, of Tech., Bldg. 20 Rm. 20-C-001, Cambridge 39, Mass. WAXLER, Roy M. (G) National Bureau of Standards Conn. Ave. 4 Van Ness St., N. W. Washington 25, D. C. WEATON, Ralph L. (G) St. Joseph Lead Co. Zinc Smelting Div., Monaca, Pa. WEAVER, Don S. (RJ) Weaver Material Service First National Bank Bldg. Jamestown, N. Y. WEAVER, Harold L. (G) 303 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) WEAVER, Leonard W. (E) Bird 4 Son, Inc. East Walpole, Mass. WEAVER, R. A. (EF) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio WrEBB, Wells A. (E) Hexcel Products, Inc. 2741 Ninth St., Berkeley 10, Calif. WEBBER, H. M. (L) 226 Darwin Dr., Buffalo 26, N. Y. (Harper Electric Furnace Corp.) WEBBER, John J. (R) 1210 Elco Dr., Maumee, Ohio (Harbison-Walker Refractories Co.) WEBER, Arthur W. (G) Corning Glass Works Corning, N. Y. WEBER, Berthold C. (B) 3833 Saranac Dr., Dayton 29, Ohio (Wright Air Development Center) WEBER, Charles H. (S) 3731 Bon Homme Way Concord, Calif. (Port Costa Brick Works) W'EBER, Don A. (M) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, lnd. WEBER, Neill (G) Mellon Institute 4400 Fifth Ave., Pittsburgh 13, Pa. WEBER, Thomas W. (L) 1046 Clinton Ave., Irvington, N. J. (Svnthetic Mica Corp.) WEBSTER, Charles E. (RI) 311 E. Beaver St., Zelienople, Pa. (Lava-Crucible-Refractories Co.) WEBSTER, David (S) Polychemicals Div. West Virginia Pulp 4 Paper Co. Box 382, Charleston, S. C. WEEDY, Robert C. (R) Harbison-Walker Refractories Cc. Box 957 W'indham, Ohio WEHTJE, Ernst J. 2. Hans Michelsensgatan Malmo 1, Sweden (Skanska Cementaktiebolaget) WEHTJE, Karl Fredrik A/B Rorstrands Porslinsfabriker Lidkoping, Sweden WEIDEL, Robert A. (G) 497 Apple Orchard Lane Webster, N. Y. (Bausch 4 Lomb Optical Co.) WEIDENBAUM, Sherman S. (G) 59 W. Second St.. Coming, N. Y. (Corning Glass Works) WEIDLICH, Gilbert (M) 640 E. Jefferson, Kirkwood, Mo. (Western Machinery 4 Engine Co.) WEIDMAN, V. Wesley (R) 201 Duncan Ave., Wilmington 3, Del. (E. I. du Pont de Nemours 4 Co., Inc.) WEIGEL. Robert C. (R) 2 Melody Lane, Mexico, Mo. (Mexico Refractories Co.) WEINTRITT. Donald J. (M) Baroid Div., National Lead Co. Box 1675, Houston 1, Texas WEIS, Joseph H. (LI) 608 Demong Dr., Syracuse 3, N. Y. (General Electric Co.) R oster 121  I S , Valentine E. ( W) Stetson China Co., Lincoln, 111. lSE , Robert L. (G) 307 Ohio St., Somerset, Ky. (General Electric Co.) HSENSEEL, Charles W. (WJ) Jackson Tile Mfg. Co. 006, Jackson, Miss, lavid rersity of California Dept. of Engineering, Engr. 3011 Los Angeles 24, Calif. E1SS, E. Joseph (Bi) Dept, of Ceramic Engineering . University of Texas, Austin, Texas S1SS, Gerhart (R) American Thermocatalytic Corp. 200 E. Second St. Minela, L. L, X. Y. EISS, W. Russell (R) Wellsville, Mo. (Wellsville Fire Brick Co.) E1SZ, Robert S. (B) Telemeter Magnetics, Inc. 2245 Pontius Ave. Los Angeles 64. Calif. ELCH, A. Philip (BI) 7018 Glade Ave.. Canoga Park, Calif. (Atomics International) ELCH, James S. American Ceramic Society 4055 N. High St.. Columbus 14, Ohio ELCH, John C., Jr. (B) 110 Escalona Ct., Santa Cruz, Calif. (A. P. DeSanno & Son) ELCH, Richard L. (R) Dominion Firebrick & Clay Products (1954) Ltd. Claybank, Sask., Canada ELLER, Barton L. (L) Vitramon, Inc. Box 544, Bridgeport 1, Conn. ELLER, Harvey C. (G) Surface Combustion Corp. 2375 Dorr St., Toledo 1, Ohio EUgUG, Charles E. (R) Motor Co., Scientific Lab. Staff, Box 2053 Dearborn, Mich. ELLS, A. A. (WF) Homer Laughlin China Co. Newell, W. Va. ELLS, Ames H. (S) Richland Shale Products Co. Box 4126, Columbia, S. C. ELLS, J. M. (W) Homer Laughlin China Co. Newell, W. Va. ELLS, Ralph G. (B) University of Michigan Engineering Research Institute E. Engineering Bldg., Rm. 4211 Ann Arbor, Mich. ELLS, Robert M. (W) Homer Laughlin China Co. Newell, W. Va. ELSH, John J.. Jr. (G) Mississippi Glass Co. 88 Angelica St.. St. Louis 7, Mo. ELSHANS, L. T. (R) Diamond Alkali Co., Cement-Coke Div. 300 Union Commerce Bldg. Cleveland 14, Ohio ELTE, Ralph J. (S) Summit Pressed Brick & Tile Co. Box 533, Pueblo, Colo. ELTERLEN, James D. (LI) * 4630 Zane St., Los Angeles 32, Calif. :. (Gladding, McBean & Co.) ENCZEL, C. (W) Wenczel Tile Co., Box 908 Trenton, N. J. 8NCZEL TILE CO. (C. Wenczel) ^908. Trenton. N. J. I Nelson E. (M) pican Potash & Chemical Corp. Foch Blvd., Williston Park, N. Y. IjGER, James A. L. fitessrs. Wengers Ltd., Etruria ?5toke-on-Trent, Stafford, England v: ||v37; No. 10 (1958) WENNING, W. F. (E) Ceramic Color & Chemical Mfg. Co. Box 297, New Brighton, Pa. WENTZ, B. B. (S) Belden Brick Co. 700 W. Tuscarawas Su, Canton 1, Ohio WERKEMA, Thomas E. (S) Dow Chemical Co., Midland, Mich. WERNER, A lS J. (G) 159 Watauga Ave., Corning, N. Y. (Corning Glass Works) WEST, Frank Haslemere Greenlane Buxton, Derby, England (Derbyshire Silica Fire Brick Co.) WEST, Howard F. (R) Illinois Clay Products Co. 68 N. Chicago St., Joliet, 111. WEST, Richard R. (BI) Box 493, Alfred, N. Y. (State University of New York) College of Ceramics, at Alfred Univ.) WESTBROOK, J. H. (B) General Electric Co., Rm. 3C20 Research Laboratory, The Knolls Schenectady, N. Y. WESTERN BRICK CO. (I. R. Cline) Danville, 111. WESTERN CLAY MFG. CO. (A. C. Bray, Jr.) Box 176, Helena, Mont. WESTERN ELECTRIC CO., INC. (J. W. Scott-7650) Hawthorne Sta., Chicago 23, III. WESTERN ELECTRIC CO., INC. (W. J. Scott) 2500 Broening Hwy. Baltimore 24, Md. WESTERN FELDSPAR MILLING CO. (V. E. Magnuson) Box 671 Salida, Colo. WESTINGHOUSE ELECTRIC CORP. (John D. Hamish, Jr.) Derry, Pa. WESTLAKE, C. Rogers (LI) 1961 Christmas Run Blvd. Wooster, Ohio (Diamonite Products Mfg. Co.) WESTMAN, A. E. R. (GF) Ontario Research Foundation 43 Queen's Park Toronto 5, Ont., Canada WESTMONT, O. B. (R) Johns-Manville Products Corp. Lompoc, Calif. WESTON, Ralph H. (SI) Arketex Ceramic Corp., Brazil, Ind. WEST-ORAM, Francis G. 11 Walnut Lane, Hartford Northwich, Cheshire, England (Imperial Chemical Industries Ltd.) WEST VIRGINIA BRICK CO. (Claude F. Wiseman) Box 1071 Charleston 24, W. Va. WEXLER, Aaron (B) Westinghouse Research Labs. Beulah Rd., Pittsburgh 35, Pa. WEYL, Woldemar A. (GF) Div. of Mineral Technology Pennsylvania State University University Park. Pa. WHALEN, Thomas J. (B) 7678 Harding. Dearborn, Mich. (Ford Motor Co.) WHEELER, D. D. (W) 51 Maple Ave., Madison. N. J. (Titanium Alloy Mfg. Div. National Lead Co.) WHEELER, Marvin Q. (G) Coca-Cola Co., Engineering Dept. Drawer 1734, Atlanta 1, Ga. WHEELER, William H. (BI) 1721-A Aberdeen Rd. Baltimore 4, Md. (Martin Co.) WHEELING STEEL CORP. (Ernest B. Snyder) Steubenville South Plant Steubenville, Ohio WHELAN, Paul T. (L) 88 Adam St., Tonawanda, N. Y. (Carborundum Co.) WHERRY, Allen P. (RI) 9652 Oakdale Rd., Parma 29, Ohio (Hunter-Thomas Assoc.) WHITACRE, D. D. (R) Whitacre-Greer Fireproofing Co. ' Waynesburg, Ohio WHITACRE-GREER FIREPROOFING CO. (D. D. Whitacre) Waynesburg, Ohio WHITACRE, Maxwell L. (M) Carborundum Co., Buffalo Ave. Niagara Falls, N. Y. WHITAKER, Fred A. (WI) 451 Oak Ridge Rd., Clark, N. J. (General Ceramics Corp.) WHITAKER, H. Rustless Iron Co. Ltd., Lawkholme Ln. Keighley, Yorks, England WHITAKER, L. R. (SIT) Carolina Ceramics, Inc., R. R. 3 Columbia, S. C. WHITE, David E. 1009 W. California, Urbana, 111. WHITE, Frank L. (G) 12147 Manor, Detroit 4, Mich. (Ford Motor Co.) . WHITE, George D. (B) 117 Malvern Rd., Oak Ridge. Tenn. (Union Carbide Nuclear Co.) WHITE, Harold E. (RF1) 197 Beech Rd., Butler, Pa. (Lava Crucible-Refractories Co.) WHITE, Jack L. (B) General Atomic Div., Box 608 San Diego 12, Calif. WHITE, J. F. (B) 2016 Arrowood Dr., Cincinnati 31, Ohio (General Electric Co.) WHITE, John M. (L) Sperry Electronic Tube Div. Gainesville, Fla. WHITE, Jonathan S. (W) 1302 Singer PI. Wilkinsburg, Pittsburgh 21, Pa. (Carborundum Co.) WHITE, O'Mara (G) 642 Fairmont Ave., Westfield, N. J. (Carborundum Co.) WHITEHEAD. Leland E. Box 6122, Virginia Tech. Sta. Blacksburg, Va. WHTTESELL, Lvsle E. (R) Wellsville. Mo. (Wellsville Fire Brick Co.) WHITFIELD. Robert E. (R) Chas. Taylor Sons Co., Box 58 Annex Station, Cincinnati 14, Ohio WHTTFORD. Robert F. (R) North American Refractories Co. 1012 National City E. Sixth Bldg. Cleveland 14, Ohio WHITFORD, William G. (DF) Box 38, Olympia Fields, III. (University of Chicago) WHITING, Harvey W. Box 202, Lacona, N. Y. WHITLEY, Jack O. (W) 2491 Princeton Ave. San Angelo. Texas (Monarch Tile Mfg.. Inc.) WHITNEY, Earl J. (GJ) Corning Glass Works, Charleroi, Pa. WHITNEY, Eugene H. (R) Gladding, McBean & Co., Mica, Wash. WHITNEY, John B. (E) 1056 Kevin Rd., Wichita 14, Kans. (General Electric Co.) WHITSON, Ralph E. (W) Aluminum Co. of America Box 300, Bauxite, Ark. WHITSON, Richard E., Jr. (R) 707 N. Broad St., Apt. GL Elizabeth, N. J. (Georgia Kaolin Co.) WHITTAKER. Clyde M. (W) Box 960, New Castle, Pa. (Universal-Rundle Corp.) R o s t e r 123 HITTAKER, G. Ward (W) Union Meeting Rd., Gen. Del. Blnebell, Montgomery County, Pa. (Universal-Rundle Corp.) HITTEMORE, J. W. (SFI) Virginia Polytechnic Institute AMksburg, Virginia f ^ H d O R E , O. J. (S) ^ |0 E n t Clay Products Co. .615-19 State Bank Bldg. Fort Dodge, Iowa HITTEMORE, O. J., Jr. (RI) Norton Co., Worcester 6, Mass. HITTEMORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. IBERG, Orjan AB Svenska Metallverken Vasteras, Sweden 1CKE, Warner C. (L) General Electric Co., Cart 4 One River Rd., Schenectadv, N. Y. ICKS, John S. (B) Hubbard & Co., Box 61, Lvons, 111. IEGAND, Frank R. (WJ) ' 71 Stanford Rd., Haddonfield, N. J. (Universal-Rundle Corp.) IENS, Bradley E. (G) Owens-Illinois 1700 N. Westwood Ave. Toledo 7, Ohio IGGINS, Robert R. 802 Byford Blvd., Endwell, N. Y. 1KER, Richard M. (G) 206 Rand Ave., Painted Post, N. Y. (Corning Glass Works) ILANSKY, Harold (G) .69 Meadow Brook, Corning, N. Y. (Corning Glass Works) TLBANKS, William H. (L) Tektronix, Inc., Box 831 Portland 7, Ore. ILCOX, David L. ^University of Illinois ^Ceramics Bldg., Urbana, 111. Herman G. (R) toss Ave., Pittsburgh 21, Pa. Srbison-Walker Refractories Co.) TLCOX, James W. (S) ; Alliance Clay Product Co. ^Alliance, Ohio ILCOX, Paul D. i59 S. Grant St., Midvale, Utah ILO, Rudolf F. (W) -S'American Feldmuehle Corp. i l l W. 42nd St., New York 36, N. Y. H-DER, David R. (BI) 1212 S. Third St., Ames, Iowa (Iowa State College) 'ILDERMAN, Clifford R,, Jr. ' 911 S. Fourth St., Champaign, 111. HLKE, William P., I ll (M) Hammond Lead Products, Inc. 5231 Hohman Ave., Box 912 Hammond, Ind. H.KES, Gordon B. (RF) '-Box 426, East Orleans, Mass. 7LXINS, Ian Hugh (W) ',325 Old Quarry Rd. : Kingston, Ont., Canada : (Frontenac Floor & Wall Tile, Ltd.) 'ILKINS, William W. (M) ,.1454 Hagev Dr., Barberton, Ohio . (Ferro Corp.) 'ILLEMS, H. W. V. (G) ( 1513 Pacific Ave. Natrona Heights, Pa. .(Pittsburgh Plate Glass Co.) TO-LENBROCK, Allen W. (W) Stangl Pottery Co. B o x 2080, Trenton 7, N. J. 'JjLLIAMS, Alan B. (RI) 105 McCarthy Dr., Augusta, Ga. ck & Wilcox Co.) IMS, Arthur E. (G) 4 Eighth St., Moundsville, W. Va. {Fostoria Glass Co.) J.LIAMS, Charles N. (I) g>235 34th Ave., S. W. Seattle 6, Wash. WILLIAMS, Clyde (RF) 50 W. Gay St., Suite 470 Columbus 15, Ohio (Clvde Williams & Co.) WILLIMS, George F. (G) Owens-Illinois, Technical Center 1700 N. Westwood Ave., Toledo 1, Ohio WILLIAMS, Harry M. (WI) Insulator Dept., General Electric Co. Box 57, Baltimore 3, Md. WILLIAMS, James L. (R) A. P. Green Fire Brick Co. Ltd. 656 Evans Ave. Vancouver 4, B. C., Canada WILLIAMS, James O. R. R. 1, Carthage, Mo. WILLIAMS, John A. (W) Box 250, Trenton 2, N. J. (Mitchell-Bissell Co.) WILLIAMS, John C. (B) 7 Mt. Vernon Way, Whippany, N. J. (ell Telephone Labs.) WILLIAMS, Josephine L. (B) Cedar Lane Farm R. R. 1, Foster, Ohio (Cincinnati Milling Machine Co.) WILLIAMS, Lawrence (G) Box 652, San Antonio 6, Texas (Artist in Glass) WILLIAMS, Leroy L,, Jr. (El) 3006 Adams Ave., Evansville, Ind. (Whirlpool Corp.) WILLIAMS, Robert B. (L) 315 Dawn St., Signal Mountain, Tenn. (American Lava Corp.) WILLIAMS, Robert M. (RI) 5809 Royal Oak Ave., Baltimore, Md. (General Refractories Co.) WILLIAMS, Walter E. (WI) New Castle Refractories Co. New Castle, Pa. WILLIAMS, Willis W. (R) Aluminum Co. of America Box 300, Bauxite, Ark. WILLIARD, William F. (M) Denison Engineering Div. American Brake Shoe Co. 1160 Dublin Rd., Columbus 16, Ohio WILLIS, James B. (EF) 309 Timonium Rd., Timonium, Md. (Pemco Corp.) WILLIS, James L. (R) Kaiser Aluminum & Chemical Sales, Inc. 3 Gateway Center, Pittsburgh 22, Pa. WILLMORE, Tracy A. (R) University of Illinois 204 Ceramics Bldg., Urbana, 111. WILLS, Robert E. (R) Box 220, Coal City, Illinois (Illinois Clay Products) WILSON, Bonum S., Jr. (RJ) 1005 Yi "D" Ave., Lawton, Okla. (Carborundum Co.) WILSON, Calvin S. (G) Libbey Glass Div., Owens-Illinios Ash St. & Wheeling R.R. Toledo 1, Ohio WILSON, Charles L. (S) 217 N. Meridian St., Brazil, Ind. (American Vitrified Products Co.) WILSON, Glenn I. 1096 N. Perry, Apt. A Columbus 1, Ohio WILSON, Harold C. (El) Vitreous Steel Products Co. Box 150, Nappanee, Ind. WILSON, Homer W. (S) Delaware Clay Co. Box 352, Delaware, Ohio WILSON, Hugh H,, Jr. (BI) Gemson College, Olin Hall Clemson, S. C. WILSON, Maurice S. (R) 14 Reynolds Dr., Wallingford, Conn. (American Refractories & Crucible Corp.) WILSON, Robert C. (WI) 1079 Afton Rd., Columbus 21, Ohio (Ohio State University) 37, No. 10 (1958) WILSON, Robert F. (G) Durakool, Inc. 1010 N. Main St., Elkhart, Ind. WILSON, Roger E. (R) 101 Collinwood Blvd., Fremont, Ohio (Basic, Inc.) WINBURN, H. L. (S) Box 1369, Little Rock, Ark. (Winburn Tile Mfg. Co.) WINCHELL, Richard (R) W'estinghouse Electric Corp. Atomic Power Dept., Box 355 Pittsburgh 30, Pa. WINEMILLER, William F. (R) 11 Ardmore Road, Worcester 9, Mass, (Norton Co.) W1XSHIP, Lee C. (GI) Sylvania Electric Products, Inc. Emporium, Pa. WINSLOW, N. M. (B) Box 2607, Cleveland 7, Ohio (Consultant) WINTER, Aniuta Institut d'optique Thorique et Applique, 3, Bld Pasteur Paris (15") France WINTER, Edward (D) 11020 Magnolia Dr. Cleveland 6, Ohio (Enamelist) WINTER, Gary E. (SJ) 205 S. Grant, Denver, Colo. (Denver Terra Cotta Co.) WIRTH, David G., Jr. 1108 Clara Ave., Joliet, 111. WISCONSIN PORCELAIN CO. (L. A. Stohl) 120 Lincoln St. Sun Prairie, Wise. WISE, Douglas 5 Irving St., Alden, N. Y. WISE, L. G. (B) E. I. du Pont de Nemours & Co. Central Research Dept. Experimental Station Wilmington, Del. WISEMAN, Claude F. (S) West Virginia Brick Co. Box 1071, Charleston, W. Va. WISHART, A. W. (G) Knox Glass, Inc. Knox, Clarion Co., Pa. WISHOSKI, I. Stanley (R) Industrial Heating 1400 Union Trust Bldg. Pittsburgh 19, Pa. WISS, J. E. (MFI) 1339 Lincoln Rd., Columbus 12, Ohio (Consultant) WITMER, Frank (G) 612 W. Main St., Woodville, Ohio (Ohio Lime Co.) WITSCHEY, Ray A. (R) A. P. Green Fire Brick Co. Mexico, Mo. WITTE, Kurt Tholauerstr. 30 Marktredwitz/Oberfranken, Germany (Kera-Sud Schwarzenbach) WITTER, Raymond B. (I) Edificio Galipan, A-5-C, Av. Miranda El Rosal, Caracas, Venezuela (Fabrica de Productos Ceramicos) WITUCKI, Robert M. (G) Aerophysics Development Corp. Box 689, Santa Barbara, Calif. WITZEMANN, A. W. (W) Eljer Co. Div. Murray Corp. of America Ford City, Pa. WOHLFORT, Sam W. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway Ave. Toledo 5, Ohio WOLD, T. (W) Smith & Stone, Ltd. Georgetown, Ont., Canada WOLF, William F. (G) R. R. 2, Crest Vue Rd. Washington, Pa. (B. F. Drakenfeld & Co.) R o s t e r 125 DLFENSPERGER, R. E. (R) 231 Martin Ave., Pittsburgh 16, Pa, (Tom Brown Industrial Supply Co.) OLKODOFF, Vladimir E. (B) Carborundum Co. Research & Development Div. ara Falls, N. Y. (DORPH, R. C. (G) ns-Corning Fiberglas Corp. Ashton, R. I. ONG, Y. Y. (X) c/o Mrs. D. D. Yang 5741 S. Kenwood Ave., Chicago 37, 111. ONGSOREDJO, Rasmadji Balai Penjelidikan Keramik (Ceramic Institute) Djl. Raya Timur 322 Bandung, Indonesia OOD, Clifton E. (W) 512 E. Ellen, Fenton, Mich. (A C Spark Plug Div., General Motors Corp.) OOD, Kenneth T. (R) 102 Grace Blvd., Painted Post, N. Y. (Corning Glass Works) OOD. Llewellyn, Jr. (S) Carrington Woods, R. R. 4, Box 209 Milledgeville, Ga. (Oconee Clav Products Co.) OOD, Russell K. (WI) 3900 E. California St. Pasadena 10, Calif. (Wallace China Co., Ltd.) OODBRIDGE. Thomas C. 38 Stirling Rd. Hayes, Middlesex, England (British Bath Co. Ltd.) OODRUFF. Calvert M. (W) American Nepheline Ltd. 25 King St.. W., Rm. 2530 Toronto 1, Ont., Canada 'OODRUFF, Ernest W. (R) -Refractory Products Co. 910 Custer Ave., Evanston, III. UFF, Roger W. 1528, Alfred, N. Y. , C. J. (X) ps Electronics, Inc. Instruments Div. 750 S. Fulton Ave. Mount Vernon, N. Y. OODS, Hubert (B) Portland Cement Assn. 33 W. Grand Ave., Chicago 10, 111. 'OODS, William J. (M) Pennsylvania Glass Sand Corp. Box 627. Lewistown, Pa. (OODVILLE LIME PRODUCTS CO. (J. Robert Cowell, Jr.) 2140 Jefferson Ave.. Toledo 2, Ohio OODWARD, Roger (WI) 200 Alaimo Dr., Rochester 10, N. Y. (Victor Insulators Div. I-T-E Circuit Breaker Co.) .'OOLDRIDGE, Morris L. (R) Owens-Corning Fiberglas Corp. Research Center, Newark. Ohio /OOLEY, Seward E. (RI) 18 E. Brown St., Somerville, N. J. (Johns-Manville Research Center) VOOTEN. John H. (S) Elgin-Butler Brick Co., Elgin, Texas .'OOTEN, Richard M. (G) 602 American Rd., Nashville 9. Tenn. (Ford Motor Co.) /ORCESTER, R. L. (S) Purington Brick Co. Box 110, Galesburg. 111. VORCESTER ROYAL PORCELAIN CO., LTD. (Joseph. F. Gimson) Royal Porcelain Works rcester, England |STER, W. G. (XFI) Sask. Crescent E. 'j*. Saskatoon, Sask.. Canada /.)RK, Lincoln T. (M) vj 15 N. Crescent, Maplewood, N. J. L(.C3o7n,suNltoan. t)10 (1958) WRIGHT, E. P. (WI) Taylor, Smith & Taylor Co. Chester, W. Va. WRIGHT, J. E. Messrs. A. G. Hackney & Co., Ltd. Fairfield Pottery, Harfley Stoke-on-Trent, England WRIGHT, John C. (RJ) Box 534, Beamsville, Ont.. Canada (General Refractories Co. of Canada) WRIGHT, J. W. (GI) Owens-Illinois 1700 N. Westwood'Ave. Toledo 7, Ohio WRIGHT, Louis H. 612 Castleton Ave. Staten Island 1, N. Y. WRIGHT, Thomas R. 818 N. First St., Dennison, Ohio WU. J. C. C. (G) Owens-Illinois Technical Center 1700 N. Westwood Ave. Toledo 7, Ohio WUELLNER, Joseph F. (E) S5S1 Wyatt Rd., Brecksville, Ohio (Ferro Corp.) WURTSBAUGH, C. G. (W) Glostex Chemicals, Inc. 3056 Bandini Blvd. Los Angeles 23, Calif. WUSKE, H. H. (S) 414 Case PI., N. W., Canton, Ohio (Metropolitan Brick, Inc.) WUSKE. Richard L. 133 W. Blake Ave.. Columbus 2, Ohio WYCKOFF, W. R. (R) Joseph Dixon Crucible Co. 167 Wayne St., Jersey City 3, N. J. WYGANT, James F. (RI) Standard Oil Co. (Indiana) Engineering Research Dept. 2400 New York Ave., Whiting, Ind. WYMAN, George F. (S) Ozark Smelting & Mining Co. W. Fourth St.. Box 855 Coffeyville, Kans. WYNDHAM-QUIN, Francis H., Jr. (RI) 130 S. Tatnall St., Milledgeville, Ga. (General Refractories Co.) WYSONG. Charles F. (B) 425 Clay St., Marietta. Ga. (Georgia Institute of Technology) WYSOR, D. C. (R) Allied Chemical Corp. 40 Rector St., New York 6, N. Y. y YAMAGUCHI, Mitsuo (W) _ 68 Oakwood Ave., Kearny, N. J. (Noritake Co., Inc.) YAMAMOTO, Hideo (G) 1081 Fifth Ave., New York 28, N. Y. (Asahi Glass Co.) YAMASAKI, Kazuo Chemical Institute, Science Faculty Nagoya University Chikusa, Nagoya, Japan YAMAUCHI, Toshiyoshi Tokyo Kogyo Daigaku (Tokyo Institute of Technology) Ookayama, Meguro-Ku, Tokyo, Japan YARTE. Andrew A. (W) Productos Cermicos, S. A. Apartado 486, Monterrey. N. L.. Mexico YARTE, Eugene A. (W) Industrias Procesa, Apartado 486 Monterrey, N. L. Mexico YATES, Donald N., Jr. 8-A Daniel Dr., Clemson, S. C. YAVORSKY, Paul J. (B) Zirconium Corp. of America Solon, Ohio YAWITZ, Murray (G) Fish-Schurman Corp. 70 Portman Rd., New Rochelle, N. Y. YEATER, Roy G. (G) Fostoria Glass Co., Moundsville, W. Va. YENCKEN, Arthur J. R. E. L. Yencken & Co. Pty. Ltd. 58-72 Queen's Bridge St. South Melbourne, Vic., Australia YERRICK, William B. (R) Allegheny Ludlum Steel Corp. Brackenridge, Pa. YOCOM, Ray A. (G) United Clay Mines Corp. 101 Oakland St., Trenton, N. J YOSHIKI, Bumpei 304 Tsurumi-cho, Tsurumi-ku Yokohama, Japan (Asahi Glass Co I YOST, Ernest L. (G) Continental Can Co., Inc. Hazel-Atlas Glass Div. R. R. 2, Canonsburg, Pa. YOUMANS, Robert M. Box 4264, Georgia Tech., Atlanta, Ga. YOUNG, David A. (S) Cloud Ceramics, Concordia, Kansas YOUNG, Edward T. (R) Alloy Precision Castings Co. 3855 W. 150th St., Cleveland, Ohio YOUNG, Howard S. (B) R. R. 1, Chadds Ford, Pa. (E. I du Pont de Nemours & Co., Inc > YOUNG, James John G. Stein & Co. Ltd. Manuel Works, Linlithgow, Scotland YOUNG. James E. (S) Box 932, Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) YOUNG, John C. (G) Portuguese Bend Club Portuguese Bend, Calif. (Hayward Scientific Glass Corp.) YOUNG, Lloyd G. (G) Corning Glass Works Main Plant, Glass Tech. Corning, N. Y. YOUNG, Robert W. (GI) American Optical Co. Glass Research Lab. Southbridge, Mass. YOUNG, Stanley H. (RI) Cleveland Quarries Co., Amherst, Ohio YOUNG, Vincent M. (GI) American Optical Co. Southbridge, Mass. YOUNG, Willard G. (WI) Case Manufacturing Corp. 1000 W. Pine St., Robinson, 111. YOUNG, W. O. (WI) 6 Livingston St., Honeoye Falls, N. Y. (Victor Insulators Div.. I-T-E Circuit Breaker Co.) YOUNGBLOOD, Charles J., Jr. (G) Mississippi Glass Co. 88 Angelica St., St. Louis 7, Mn. YOUNGS, Robert A. (R) 47 Meadowbrook Apts., Corning, N. Y. (Corning Glass Works) YOUNT, Richard V. (G) C. Tennant Sons & Co. 100 Park Ave., New York 17, N. Y. YUTZEY, Marvin G. (D) Fostoria Glass Co., 1200 First St. Moundsville, W. Va. z ZAHN, William A. (W) 69 Glenwood Dr. New Shrewsbury, N. J. (Atlantic Tile Mfg. Co.) ZAHNISER, Geo. B. (W) Shenango China, Inc., New Castle, Pa. ZAIDI. S. Rasheed Ali Ohio State University Dept, of Ceramic Engineering Columbus 10, Ohio ZANOWIAK, Peter P. (SI) 515 S. E. 21st St. Mineral Wells, Texas (Texeramics Inc.) R o s t e r 127 PFE, Richard C. (W) 162 Penfield St., Pomona, Calif. (Pomona Tile Mfg. Co.) VIS, Lewis (WI) 11012 S. Chanera, Inglewood, Calif. (H. F. Coors Co., Inc.) fU B k U T , Herbert A. R. (R) . Aluminate Cement Corp. 40th St., New York 16, N. Y. ILLER, Irwin F. (M) 150 Mason Dr. Manhasset, Long Island, N. Y. (B. F. Drakenfeld & Co., Inc.) LLER CORP. (R. E. Costello) Fort Wayne Rd., Defiance, Ohio RFOSS, Samuel (BF) Mineral Products Div. National Bureau of Standards Washington 25, D. C. 3KEFOOSE, Ellis J. (R) Griffin Wheel Co. 445 N. Sacramento Blvd. Chicago 12, 111. iGFELD, Robert L. (M) Lead Industries Assn. 60 E. 42nd St., New York 17, N. Y. EGLE, Glenn D. 230 S. 160th, Seattle 88, Wash. ZIMAR, Frank (G) Corning Glass Works Main Lab., Corning, N. Y. ZIMMER, David C. (WFI) 513 Harding Rd., Zanesville, Ohio (Nelson McCoy Pottery Co.) ZIMMERMAN, Joe A. 10813 Pearson St., Kensington, Md. ZIMMERMAN, Philip D. 611 W. Fayette Ave., Effingham, HI. ZIMMERMAN, William F. (B) 3836 McNicholas S.t. Cincinnati 36, Ohio (General Electric Co.) Gas Turbine Div.) ZINK, George H. (El) A. O. Smith Corp. 3533 N. 27th, Milwaukee 16, Wise. ZINK, Harold F. (G) Owens-Illinois, 1700 N. Westwood Ave. Toledo 1, Ohio ZLOTNICK, Herbert (LI) Mucon Corp. 9 St. Francis St., Newark 5, N. J. ZLUPKO, John E. (L) 6227 Walker St., Philadelphia, Pa. (General Electric Co.) ZNEIMER, Joel E. (BI) 171 Grove Ave., Verona, N. J. (Raytheon Mfg. Co.) ZORZI, Eugene R. (M) 1225 Tenth Ave., Irwin, Pa. (C. Tennant Sons & Co.) ZUDNAK, Stephen J. (W) Box 1599, Trenton, N. J. (General Porcelain Co.) ZUMWALT, Donald A. (L) 10519 S. Kibbee, Whittier, Calif. (Telemeter Magnetics, Inc.) ZUNICK, Michael J. (L) 2740 S. 111th St. West Allis 19, Wise. (General Electric Co.) ZVANUT, Albert J. (M) Stoody Co., Box 901, Whittier, Calif. ZVANUT, Frank J. (MI) 14533 Bayes Ave., Lakewood, Ohio (Godfrey L. Cabot, Inc.) ZWERMANN, Carl H. (BF) 806 W. Main St., Robinson, 111. ZWETSCH, Artur Villeroy & Boch Mettlach/Saar. Germany GYLE, John F. Pennsylvania State University College of Mineral Industries Box 12, University Park, Pa. vRDSLEY, James J. (R) North American Refractories Co. Frber, Mo. tOWN, Kenneth L. (B) Lincoln Electric Co. 22801 St. Clair Ave. Cleveland 17, Ohio Addenda CRAMER, Deane G. 7 Lakeside Tr., Urbana, 111. GIRARD, Edward H., I ll Box 4842, Georgia Tech. Station Atlanta 13, Ga. HAM ME, John V. 2904 Claremont Rd., Raleigh, N. C. HUNTER, Orville, Jr. Missouri School of Mines Ceramic Engineering Dept., Rolla, Mo. MONETA, Fausto Via Mambretti 9, Milano, Italy (Ditta Giuseppe Moneta) MORGAN, George L. 606 W. Ohio, Urbana, 111. SEGER, William A. (G) Buck Glass Co., Inc. 841 E. Fort Ave., Baltimore 30, Md. h 3&L. 37, No. 10 (1958) R o st e r 129 National Institute o Ceramic Engineers Membership Roster .ember Grade Coleman, Robert L. Collins, Paul F. dcock, Albert S. dcock, Lawrence W., It, Leslie K. mmerman, J. H. ndrews, Andrew I. Jr. Collins, William G. Commons, Charles H., Jr. Conover, Ray C. Contardi, William A. Cook, Ralph L. rchbold, Walter H., Jr. rmstrong, Leiand R. mold, Howard C. mold, Thomas M rrance, Frank C. ustin, Chester R. Cooke, William C. Cordes, John E. Couch, Albert H. Cramer, W. E. Crandall, Eugene R. Crandall, James R. ydelott, Elliott C. Crandall, William B. Crawford, George E. Crawford, J. L. abcock Paul R. Cress, William C. ailey, Floyd Curtis, Carl E. air, George J. aldauf, Earl E. aque, Harold W. Dager, Probert W. arr, Seymour J. Danielson, R. R. aumann, Henry N., Jr. Davies, Chester A. eals, M. Douglas Davis, Harry E. earn, James R. Day, Jack F. eecher, Milton F. Day, Ralph K. eeton, Earl E. Day, Robert B. tnbenek, Raymond Dear, Paul S. ennett, A. Lee Debenham, W. S. ennett, Dwight G. DeRemer, John W. ennett, Myles P. Deringer, W. A. erkelhamer, Louis H. Diamond, Grant S. etz, George C. Dickey, John M., Jr. :vis, Ralph E. Dietterle, Edwin W. irch, RKaymond E. Dilliard, Paul D. ias^" ^^Dooin W., Jr. Dodd, Charles M. A. Keif Donahey, John W. ^ PRl'nliain V. Donnenwirth, A. L. laS,PIrenry H. Doran, Robert F. leasing, Robert Lee Dorn, Alvah J. tume, Arthur J. Dressier, Philip oeker, V. W. Drouhard, W. J. ognar, Edwin J. DuBois, H. B. ollinger, Robert H. Duckworth, Winston ooze, M. C. Duplin, V. J., Jr. aros, John owne, Martin S. oyd, John E. oya, Robert C. raden, Roger W. radley, R. S. radwell, Cyril ramlett, William P., Jr. randt, William 0. rown, Donovan P. rown, Lawrence H. rownell, Wayne E. rush, George D. Earl, J. Alfred Easter, George J. Ehman, Roy G. Eitel, Wilhelm Elder, John C. Ellard, Earle R. Emrich, Emerson W. Erzen, Frank C. Evans, Charles E. Everhart, J. O. Ewing, Robert F. . fyant, Eugene E. hekner, O. S. nrchfiel, B. M. urdick, Milton D. ardick, Sidney D. orkhalter, Edward tier, C. Edward Fabianic, William L. Fahrenbruck, William O. Failmezger, Howard Fallon, Fran' " Fay, Wayne Feagin, Roy C. Fellows, R. L. aito, A. M. Fels, C. G. allahan, H. D. Fenity, Robert D. allinan, Edward E. Fessler, A. H. ampbell, Robert M. Fitzgerald, Alex E. arruthers, John L. Fleming, Charles A. krter, F. B. Flint, E. P. Tier, Herbert D. ITtwright, S. V. f*vanaugh' , D. J. Syrford, jJaames M. Sirbonmer, William P. Flint, Francis C. Foraker, Robert W. Ford, Walter D. Frahme, Herman H. Frame, Dudley P., Jr. itman, H. M. Francisco. Allen C. ibert L. Fraser, Orray T. jn D. Frazier, J. Earl .ichard E. Frechette, Van Derek .. Ifred Frederick, C. L. js, Eugene C. Freeman, Charles A. Robert W French, Preston W. William W. Fritz, E. H. , Sandford S. Fuller, Donald H. Fuller, Richard B. Fulmer, Raymond C. Fupnell, John E. Gallup, John Gardner, Walter E. Garve, T. Walter Gaskins, W. W. ' Gautsch, Murray C. Geiger, Charles F. Geller, R. F. Gerster, C. W. Gibson, R. L. Gill, Joseph W. Gitter, Alice Josephine Glaze, Francis W. Goin, Fred L. Goodrich, Hobert R. Gould, Robert E. Green, John R. Green, R. S. Greene, Charles H. Gregorius, J. S. Grigg, Paul E. Hagar, Donald Hamilton, Edgar H. Hanna. H. H. Hanna, Ralph E. Hansard, W. Carey Hansen, J. E. Hardy, Ronald G. Harnish, John D., Jr. Hartshorn, T. D. Hartwig, Frederick J,, Jr. Hauth, Willard E., Jr. Hawes, Samuel A. Hawks, Ralph L. Hazen, E. J. Heddell, James V. Heiligman, H. A. Heiser, Perry D. Hemsteger, Samuel E. Henderson, Frederick C. Hendren, Robert R. Henry, Edward C. Hepplewhite, J. W. Herold, Paul G. Hewitt, L. C. Hicks, James C. Higgins, Waldo W. Hopkins, Robert W. Horak, William Hornung, Martin R. Hossenlopp, Arthur M. Hostetter, J. C. Howe, Elroy E. Hower, Lawrence D,, Jr. Hower, Robert S. Huffcut, Harold W. Hughes, George B. Hughes, Walter M. Hunt, John F. Huppert, Paul A. Hutchison, Clark Hutchison. R. C. Hyde, Collin Irvine, George C. Ives, John B. Jackson, A. Curtis Jacob, Bernard T. Johnson, Paul V. Kauffman, John R. Kautz, Karl Kay, William T. Keith, Wendell P. Kenagy, William L. Kent, Joseph P. Kent, N. Johnson Keplinger, Robert B. Kerper, Matthew J. Kerr, W. Raymond King, Burnham W., Jr. King, R. M. Kirkendale, George A. Kirkpatrick, Frank A. Kleeman, Lee A. Klinefelter, T. A. Knapp, William J. Knecht, A. O. Knoblaugh, Walter C. Koch, William J. Koehler, W. A. Koenig, Charles Jacob Koenig, John H. Koos, E. K. Koshuba, Walter J. Kraner, Hobart M. Kriegel, W. Wurth Kronman, Samuel J. Kruson, Joseph H. Kuechler, Adolph Kunzman, Edward E. Laird, Charles Lambe, C. M. Lambertson, Wingate A. Lane, Richard O. Lannes, Eugene M. Latimer, Horace L. Lawrence, Ralph V. Lawrence, Willis G. Lee, P. William Leibson, Jacob S. Lennon, John W. Lerman, Leon Lesar, Albert Lewis, Gordon E. Lign, Elmer R. Limes, Robert W. Lindsay, Carey E. Lintz, Elmo H. Lobaugh, Frank E. Louden, R. H. Lowe, George K. Luks, Daniel W. Lull, Stanley E. McCann, D. M. McCann, Sidney W. McCollom, Perry C. McDonald, E. F. McDougal, Taine G. McDowell, Samuel J. McElroy, R. H. McIntyre, G. H. McMahon, John F. McNamara, E. P. McVay, T. N. MacDonald, R. W. Magid, H. S. Malm, Arthur T. Mandel, Charles J. Martin, Ralph H. Massengale, Gordon B. Matson, Frederick R. Maupin, Addison Medert, Warren C. Meeka, Edward Meloy, C. L. Merck, Walter J. Merriam, Jack G. Merritt, Clarence W. Merry, E. B., Jr. Messimer, Laverne A. Metzger, A. J. Michael, Frank L. Miller, Grant E. Miller, Harold Miller, Howard L. Miller, John B. Milliken, Edward C. Minton, G. Z. ,37, No. 10 (1958) Mitchell, Lane Mitra, H. K. Mohr, J. Gilbert Mohr, William C. Montgomery, Earle T. Moody, Willis E. Moore, Dwight G. Moore, Richard S. Morgan, Stuart F. Morgan, William R. Moser, John L. Mowrey, Fred W. Mueller, Ferd A. Mundy, O. S. Murray, Maurice A. Navias, Louis Nelson, Forrest W. Newcomb, Rexford, Jr. Norton, Frederick H. Nowak, John M. Olsen, Rangwald S. Ortman, Fred B. Pafford, Ray W. Palmer, Willard E. Pask, Joseph A. Pearch, William M. Peck, J. Clair Perkins, Walter W. Perry, Robert F. Petersen, Fred A. Pfeiffer, Wilbur H. Phillips, Charles J. Phillips, Edwin L. Phillips, J. Gordon Place, Tom M. Planjc, Christian W. Plankenhorn, William J. Ploetz, Edwin C. Polar, Alfredo Pole, Gordon R. Porst, Edward G. Poste, Emerson P. Postlewaite, D. E. Price, James E. Prince, Alan T. Prior, Harold D. Puntney, L. E. Raine, Frank F. Rainear, John F. Rapp, Carl H. Rea, Robert F Reimer, John J. Remington, Victor H. Remmey, George B. Reser, Margie K. Rhodes, Fraser B. Rhodes, Ralph R. Richmond, Joseph C. Ricker, Richard W. Riddle, Frank H. Roberts, John Taggart Robinson, Richard E. Robson, James T. Rodriguez, A. R. Rogers, Edwin J. Rolke, Herbert J. Rose, Ralph Ross, Donald W. Roup, Rolland Rowland, Davidge H. Russell, Howard F. Russell, Ralston. Tr. Rynders, Gerald F. Sandmeyer, Karl H. Santomieri, S. Lewis Sauls, J. B. Saunders, Alfred C. R o ster 131 jt4 P"rr Jilehr, W. Raymond :hoeninger, Irvin W. Jioeppel, Norman :hofield, H. Zane holes, S. R. hotts, Walter H. hroeaer, Fred W. bt, H. G. M. A. raider, Karl __ lurray :ott, Roger F. aardlow, L. Russel aarp, E. W. jaw, L. I. saw, Myril C. jepherd, John F. aerrill, Robert R. lerwood, Robert F. jevlin, Thomas S. aimer, J. B. hrcmp, Raymond M. Overman, Alexander ilverman, William B. unison, A. L. imons, T. Mitchell, Jr. .mpson, Harold E. dnner, Kenneth G. :yh, John A. mith, C. A. nith, Hillard A. nith, Kenneth E. mith, Kenneth M. nith, Leland mith, Robert K. moot, Jack M. ayder, Ernest B. alomon, Earl jmmerville, J. L. asman, Robert B. peil, Sidney pencer-Strong, G. H. pires, Stephen T. proat, Ira E. tafford, W. L. eimke, Frank C. teinhoff, Fred L. tevens, Frank J. evens, Robert P. :evenson, James K., Jr. tew ^M ohn A. ma^Hlorman H. t^ ^ H ob ert L. tni^PP Lee H. trod, Arvid J. allivan, John D. Jtton, Willard J. Twei.tzJer,J,,Mark. wentzel, John P. weo, Benjamin J. ylvester, George R. a3by, Roland V. ate, Frank E. eague, Jo M., Jr. efft, Phillip W. hiemecke, Harry W. homas, David W. homas, Everett A. hompson, Qyde L. hornton, Paul E. hurnauer, Hans oulouse, Julian H. rabert, Loren A. redennick, William T. reischel, C. C. rostel, L. J. ucker, Donald J. ncker, Harvey C. ucker, Roland E. urk, Richard H. urner, P. P., Jr. wells, Robert Whittemore, O. J., Jr. Emrich, Harold W. Williams, Harry M. Evans, William W. Williams, Walter E. Wilson, Harold C. Wiss, J. E. Witter, Raymond B. Worcester, W. G. Wright, Edward P. Wright, J. W. Wygant, James F. Faust, Ernest H., Jr. Fillmore, Charles L. Fish, E. Thomas Fitzsimmons, Elmer S. Folkers, Charles L. Fonvielle, Frank P., Jr. Ford, George D. Forkner, Henry R. Young, Stanley H. Young, Vincent M. Young, Willard G. Young, W. O. Zanowiak, Peter P. Zavis, Lewis Francis, Ronald K. Franklin, Earl W. Franklin, William S. Fulker, Richard H. Fuller, L. R. Fulrath, Richard M. Zimmer, David C. Zink, George H. Zvanut, Frank J. Galbreath, William W., Jr. Garcia-Leal, Ramon Garlick, Philip L. Associate Member Grade Garvey, Lawrence P. Gates, Daniel W. Abernethy, Lonnie L. Getto, Allan Alexander, John M. Giess, Edward A. Allen, Richard L. Giles, James H., Jr. Ames, R. N. Gemali, Henry A. Anderson, Harry L. Grant, John F. Ault, Neil N. Grove, Robert L. Azevedo, Marcello R. V., de Baab, Kenneth A. Barnes, Harry H. Beals, Robert J. Beard, Clinton L. Bergeron, Clifton G. Blackwood, James M. Blum, Seymour Bolon, David G. Bradford, Virgil E. Bradley, Fennimore N. Brant, David G. Breedlove, James G. Brigham, Ralph V., Jr. Bristow, Robert H. Brown, John J., Jr. Brown, Raymond J. Browne, Thomas C. Buchan, M. A. Buckles, Paul E. Burkert, John G., Jr. Burks, Cecil M. Bush, James W. Busteed, Donald J. Button, Daniel D. Hackler, W. C. Haertling, Gene H. Hammer, R. Hannon, Richard C. Harr, W. J. Harris, Ransom S., Jr. Harrison, William B. Hart, Wade J. Hasko, Stephen Hauck, Charles A. Hauser, Richard E. Hawkins, Robert J. Heebner, John C. Helliesen, Richard O. Herko, Edward Hessinger, Philip S. Hitzeman, Roger L. Holl, Barton S. Hoogendoom, Helen M. Horton, Paul B. Huettig, Fred R. Hynes, Frank J. Immediato, Robert Cain, Robert W. Caldwell, William D. Campbell, Cory V. Carl, John E. Carlson, William G. Carnahan, Thomas D. Carroll, William F. Chapman, Frank E., Jr. Charland. Tel L. Childs, Edwin E., Jr. Childs, Gary D. Cleverly, Robert B. Cole, David L. Cole, Sandford S., Jr. Cooke, David C. Cooper, Alfred Crookston, James A. Croom, Henry C. Crosby, Donald P. Crowley, Michael S. Curcio, Anthony L. Curran, Robert Daley, Howard J., Jr. Deadwyler. Earnest W. Deignan, Charles J. deProsse, Victor A. Jaffe, Bernard Johnson, Alton E. Johnson, George E., Jr. Johnson, James E. Johnson, James R. Kallup, Charles, Jr. Kalman, Frank R. Kamler, Anthony R. Kantor, Neil I. Karner, Ernest F. Kasten, Vernon L. Katz, Joseph M. Kehl, Nelson H. Kelly, William J. Kent, William B. Kepka, George M. Kershner, William G. Kester, Ralph G. Killmar, Henry M. Kinsman, Bradley Q. Kirsch, Thomas S. Klein, Jonathan D. Knudsen, Friedrich P. Kuyper, Geoffrey S. Kyonka, Joseph C. an Vlack, Lawrence H. aughan, W. Harry enable, Charles R., Jr. 'atts, Arthur S. febster. Charles E. * 'ph H. hard R. alph H. . Villiam H. Tiitaker, Fred A. Ttaker, L. R. ltei Harold E. de Roux, Juan Ramon Desaix. Herbert A. de Ville, Ralph W. Devlin, James F. Diaz, Jose J. Dlugozima, W. R. Donley, John C. Dorn, G. Neal Dorsey, John J. Dubler, Robert H. Dulberg, Irving Dungan, Robert H. Elston, Keith Emrich, Barry R. Lachman, Irwin M. LaMaire, Robert V. Laurie, Dominic Lawrence, Walter F., Jr. Layton, Donald R. Leddy, Robert M. Leeds, Donald H. Lefort, Henry G., Jr. Lester, Ronald H. Liederbach, William H. Lindenthal, James R. Lindenthal, John W. Lindquist, C. Alan, Jr. Long, Russell E. . Longenecker, Robert J. llittemore, J. W. OL. 37, No. 10 (1958) Longfritz, Robert K. Seckman, Harry D. Lorey, Frederick D. Lowe, Earl C. Ludwig, David W. Lunak, Thomas E. Lytle, Jack A. Sellers, John T. Semmelman, John O. Shapiro, Howard Shaw, Clarence F. Sheehan, Robert W. Sheets, Herbert D. Shelley, C. B. McAllister Christopher Shonkwiler, Francis P. McClave, James W. Shook, William B. McClelland, Roland H. Shopher, Sterling D. McCormick, Stewart W. Shulze, Charles E. McEvoy, Robert J. Sinclair, Robert R. McGee, Thomas D. Siska, Albert H. McKeand, Irvin J. Smalley, Howard F. McKeen, Richard D. Smith, Richard D. McKinnis, Charles L. Soderstrum, William K. McLaughlin, Joseph K. Sontz, Arthur McMahon. John F., Jr. Soxman, Edwin J. McMurtry, Carl H. Spangenberg, William C. McNamara, Edward P., Jr. Stahmann, John A. McWilliams, Robert J. Stalter, Thomas L. Maguire, Edward A., Jr. Stetson, William C. Marcus, Leon Stettner, Donald H. Mattison, William F., Jr. Stoddard, Stephen D. Mayfield, Manville J. Stoen, Roger C. Meredith, Edward J. Stoops, Robert F. Meredith, Neil F. Storer-Folt, John P. Michelotti, Joseph E. Stradley, J. Grant Miller, Edmund H. Stradley, Norman Moffett, Robert A. Stroupe, Howard E., Jr. Mohanty, Gajendra Nath Subbarao, Eleswarapu C. Mohler. Neal F. Sullivan, Paul A. Montgomery, Eldwin C. Sutherland. Frank R. Morena, Alfred Morgan, Robert A. Mornin, Bob L. Moss, LeRoy L. Mueller, Edward E. Mueller, James I. Muller, Max Mulroy, James P. Taeler, David H. Tanner, James T., Jr. Tarnacki Walter J. Tauber, John A. Taylor, Howard U. Thiemann, John W. Thomason, James F. Thompson, William M-. Tr. Nagan, Harold R. Nobles, Eugene L. Nohle. Richard C. Nordquist, Clarence E. Norton, George R. Thor, Murner E. Tibbals, Harvey L. Tinklepaugh. J. R. Tostevin, Edgar R,, Jr. Townsend, William O. Tripp, Harlan P. Trostel, Louis J., Jr. Oberschmidt, Leo E., Jr. Troy, H. Neal Oberst, Robert B. Truesdale, Richard S. Ogden, William D., Jr. Tse, Shou-cheng Orzano. Michael J. Turbett, Paul E. Ottoson, Axel Twells. Robert G. Packman, Willard D. Palmour, Hayne, III Parker, Harry Parson, James A. Patrick, Robert F. Pearch, Howard C. Pechman, Alexander Pedu, Richard K. Pelz. Robert W. Peterson, Jack L. Phoenix, Richard C. Pierson, James F. Poland. Milton E. Post, Benjamin F. Rassner, Donald D. Rauch, Harry W. Reed, Madison W., Jr. Rempes, Paul E., Jr. Renskers, Richard H. Reuning, George W., Jr. Ricci, Edward M. Rice, Hal H. Rickey, Charles J. Riegert, Richard P. Rittler, Hermann L. Roberts, Mervin F. Robinson. Richard R. Rogers, Melvin F. Romano. Pasquale J. Root. H. Dean Rowlands, Robert R. Rue, Charles V. _ Russell, Norman Keith Sanders. Loren D. Scales. John B. Schneider, Samuel J.. Jr. Schrader, David M. Schuck. John F., Jr. Schwartz, Bernard Scott, Robert M. Scott, Roger F. Unum, Robert F. Van Alsten, Roy L. Van Der Beck. Roland R. Van Dreser, Merton L. Van Schoik, Dickson M. Van Wiggeren, Charles G. Vincent, George L. Vitolo. Sylvester A. Vukovich, Milan, Jr. Wallace, Paul F. Walter, Jake J. Ware, Robert K. Warren, George Waters, Martin R. Watkins, Robert V. Watkins, William E. Watts, Richard L. Weiss, E. Joseph Welch. A. Philip Welterlen, James D. Westlake, C. Rogers Wherry, Allen P. Wilder, David R. Williams, Alan B. Williams, Charles N. Williams, Lerov L., Jr. Williams, Robert M. Wilson, Hugh H., Jr. Wilson. Robert C. Winship, Lee C. Wood. Russell K. Woodward, Roger Wooley. Seward E. Wyndham-Quin, F. H., Jr. Young, Robert W. Zlotnick, Herbert Zneimer^ Joel E. f R oster 133 Nominations for Officers, 1959-60 The American Ceramic Society President-Elect: George Spencer-Strong Pemco Corporation, Baltimore, Md. Vice-Presidents: J. J. Canfield Armco Steel Corp., Middletown, Ohio J ohn H. Koenig, Rutgers, The State University School of Ceramics, New Brunswick, N. J. J ames I. M ueller, Ceramic Engineering Division, University of Washington, Seattle, Wash. Treasurer: Andrew P ereny Pereny Equipment Co., Columbus 12, Ohio Basic Science Division Chairman-Elect: J. E. Burke, General Electric Co. Vice-Chairman: Willis G. Lawrence, Alfred University Alexis G. P incus, General Electric Co. Secretary: Samuel Zerfoss, National Bureau of Standards M. A. Schwartz, W right-Patterson Air Force Base Design Division Chairman: William D. P arry, Ceramic Division, Philadelphia Museum School of Art, Philadelphia, Pa. Vice-Chairman: J ules R. Gulden Syracuse China Co., Syracuse 1, N. Y. Vice-Chairman: Fridolin Blumer, Lane G ate Rd., Cold Spring, Putnam Co., N. Y. (Commercial Decal, Inc.) Secretary: H. Leslie Moody Hyalyn Porcelain, Inc., Hickory, N. C. Electronics Division Chairman: J oseph A. P ask, Division of Mineral Technology, University of California, Berkeley 4, Calif. Vice-Chairman: P aul N. R ussell, General Electric Co., Electronic Division, Electronics Park, Syracuse, N. Y. Secretary: William W. Coffeen Metal & Thermit Corp., Rahway, N. J. Enamel Division Chairman: R obert F. P atrick Pemco Corp., Baltimore 18, Md. Vice-Chairman: H ollis S. Saunders O. Hommel Co., Pittsburgh 30, Pa. Secretary: L. S. O'Bannon Battelle Memorial Institute, Columbus, Ohio Glass Division Trustee: A. C. Siefert Owens-Coming Fiberglas Corp., Newark, Ohio Chairman: F rank R. Bacon Owens-Illinois, Toledo, Ohio Vice-Chairman: Guy E. R indone Pennsylvania State University, University Park, Pa. Secretary: FayV. T ooley University of Illinois, Urbana, ID. Materials & Equipment Division Chairman-Elect: Scroop W. E nloe, J r. Harris Clay Co., Spruce Pine, N. C. Vice-Chairman: L yle A. H olmes G reat Lakes Foundry Sand Co. Secretary: Chester Gulick Kentucky-Tennessee Clay Co., Mayfield, Ky. Refractories Division Chairman: Kenneth A. Baab Bethlehem Steel Co., Bethlehem, Pa. Vice-Chairman: O. J. Whittemore, J r. Norton Co., 'Worcester 6, Mass. Secretary: E dwin R uh Harbison-Walker Refractories Co., Pittsburgh, Pa. 460 Structural C lay Products Division Chairman-Elect: John M. Dickey, J r. Hanley Co., Summerville, Pa. Vice-Chairman: C. F. Garland ~ Mason City Brick Sc Tile Co., Mason City, Iowa Secretary: J ames W. Wilcox Alliance Clay Product Co., Alliance, Ohio . ti ff ; v White W ares Division Trustee: C. J. K oenig Ohio State University, Columbus 10, Ohio Chairman: Arno M. Illing ' Cambridge Tile Mfg. Co., Cincinnati, Ohio Chairman-Elect: Edward J. Smoke, 11 Edgewood Rd., Metuchen, N. J. (Rutgers University) Vice-Chairman: M. D. Burdick National Bureau of Standards, Washington 25, D. C. Secretary: Willard D. P ackman Edwin M. Knowles China Co., Newell, W. Va. National Institute of Ceramic Engineers Trustee: Albert H. Couch Libbey-Owens-Ford Glass Co., Toledo 5, Ohio President-Elect: Edward C. Henry General Electric Co., Syracuse, N. Y. Vice-President: P obert W. D ager Van Nuys, Calif. (H. C. Spinks Clay Co.) Secretary-Treasurer: R alph L. Cook University of Illinois, Urbana, 111. Ceramic Educational Council Trustee: J oseph A. Pask University of California, Berkeley 4, Calif. President-Elect: William J. K napp University of California, Los Angeles 24, Calif. Vice-President: Arthur J. M etzger Virginia Polytechnic Institute, Blacksburg, Va. Secretary: T heodore J. Planje Missouri School of Mines, Rolla, Mo. Nominations and Elections The above nominations are published in accordance with the Constitution, By-Laws, and Rules of The American Ceramic Society. Reference may be made to the rules for this procedure in the Bulletin for Feb., 1952, p. 62. Ballots for the election of officers of The Society and for the election of trustees and officers of The Divisions will be mailed to each Member in good standing the first day of December. They must be returned to be received in The Society offices before the first day of January. Article B VII 2 provides: "The names of the Trustees' nom inees, together with this By-Law, shall be published in the American Ceramic Society Bulletin on or before the fifteenth day of October. Any twenty-five voting members in good stand ing may, by signed petition, nominate an additional candidate for one or more of the offices, provided: the signed petition, to gether with assurance of assent of the candidate or candidates, reaches the General Secretary of T he Society on or before the fifteenth day of November following the publication of the Trustees' nominees. The petition may be in multiple copies and the General Secretary shall, if such be the case, certify that at leasty twenty-five signers are eligible to vote." Dates Obtaining This Year Nominations for Society, Class, and Division officers must be mailed to the Editor of The Ceramic Bulletin by September 15, to assure publication in the October issue as required by the rules. (Articles B VII, R VIII, and R IX). Nominations made by membership petition must be for warded in time to reach the General Secretary on or before November 15. (Article B VII, R V III, and R IX.) Ballots must be mailed to the qualified members of The Society on or before December 1. (Articles B VII and R VII.) Members shall return their marked ballots in time to reach The Society offices by the first day of January. (Articles B VII and R VII). The Scrutineers shall report to the President on or before the fifteenth day of January. (Article B VII). C eram ic B u l l e t in The American Ceramic Society BULLETIN A monthly publication devoted to the proceedings of The Society, discussions of plant, technical, scientific, art, and cooperative research problems. Volume 37, 1958 Charles S. Pearce, Editor James S. Welch, Managing Editor Emmoline R. Jamra, Editorial Assistant Charlotte B. Burgess, Editorial Assistant Committee on Publications: W. R. Kerr, Chairman; J. O. Everhart, E. P. McNamara, and E. F. Osborn Contributing Editors: Officers of Industrial Divisions and Sections (For names, see back of Title Page) Executive, Editorial, and Advertising Offices: 4055 North High Street, Columbus 14, Ohio Publication Office: 20th and Northampton Streets, Easton, Pa.