Document KJjOgRnw059oRwYZ9yj9qR0Gx

The American Ceramic ""defy February 15,1993 I hereby certify that the attached copies of American Ceramic Society Bulletin, Volume 34,1955, are true and accurate copies, which are maintained in the normal course of business at the American Ceramic Society, 735 Ceramic Place, Westerville, Ohio 43081. Ceramic Information Center 735 Ceramic Place Westerville, Ohio 43081-8720 614-890-4700 TWX: 7101109409 PLAINTIFF'S | EXHIBIT * wv-oiszoq Membership Roster The American Ceramic Society This Roster of members is published only for the use of members of The American Ceramic Society. Listings are in alphabetical ,,fder. A separate Roster for the National Institute of Ceramic Engineers, showing grades of membership, is on pages R-101 to R-105 jf this issue. New members received too late to be included are listed in the Addenda on page R-99. These listings give the member's preferred mailing address. Where this is not his business address his company connection is shown 0 parentheses. Divisions and other Society affiliations are indicated in parentheses following each name, in accordance with the code pven below. The absence of any such designation indicates that the member is from outside the United States or a student member, ^either of which has Division affiliation. B--Basic Science Division D--Design Division E--Enamel Division G--Glass 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 ABBEY, R. G. (G) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. ABBOTT, Gordon H. Rock Enamel (Pty.) Ltd., Box 77 : Industria, TVL Union of South Africa ABE, Tosio 1001, Kami-ikegami-cho, Ota-ku Tokyo, Japan (Tokyo Shibaura Electric Co., Ltd.) ABERNETHY, Lonnie L. (I) Ar-gonne National Lab. D22-2 Metallurgy Box 299, Lemont, 111. ABINGDON POTTERIES, INC. (J. M. Lewis) 801 N. Main St. Abingdon, 111. ABRAMSON, Isaac Av. Copacabana, 959-Apto. 902 Rio de Janeiro, Brazil (Klabin Irmaos & Cia.) ABRILLE, A. Villa San Miguel Brewery Glass Factory 132 Aviles, Manila, Philippines ACCOUNTIUS, Oliver E. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio ACHUFF, Charles E. (W) 839 Balias Rd., Kirkwood 22, Mo. (Certain-Teed Products Corp.) ACME BRICK CO. (W. A. Barber, Jr.) Box 425 Fort Worth, Texas AC SPARK PLUG DIV., GENERAL MOTORS CORP. (Karl Schwartzwalder) Flint 2, Mich. ADAMS CLAY PRODUCTS CO. (James A. Cunningham) Box 226 Martinsville, Ind. ADAMS, Earl E. (W) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio ADAMS, Edward M. (S) Murray Tile Co.. Inc. Cloverport, Ky. ADAMS, Milton (G) 129 W. Streicher St., Toledo 8, Ohio (Libbey-Owens-Ford Glass Co.) ADAMS. P. Bruce (G) Coming Glass Works Research and Development Corning, N. Y. 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. Vol. 34, No. 10 (1955) ADCOCK, Albert S. (WI) American Radiator & Standard Sanitary Corp., 6920 Franklin Ave. New Orleans 22, La. ADCOCK, Lawrence W., Jr. (W) 1411 Cranover St., Lyndhurst, Ohio (Clevite Corp.) ADDERLEY, James R. 42 Church St., Brierley Hill S. Stafford, England ADEL CLAY PRODUCTS CO. (Merton T. Straight) 101 Ashworth Rd. Box 85, West Des Moines, la. ADERHOLD, George H. (W) Saxonburg Ceramics, Box 100 Saxonburg, Pa. AFFLERBACH, Harry (E) R.R. 4, Frankfort, Ind. (Ingram-Richardson, Inc.) AGARWAL, Gopal Mohan Box 1039, Alfred, N. Y. AGNEW, James D. (S) Broad River Brick Co., Box 681 Gaffney, S. C. AGRON, Albert M. (E) Pfaudler Co., 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. 1325 E St., N. W., Washington 4, D. C. AKAM, J. W. (S) Natco Clay Products, Ltd Aldershot, Ont., Canada AKMORAN, Miss Huban 1, Cobankizi Sokak, Buyukdere Istanbul, Turkey (Turkish Glass Works). AKRON PORCELAIN CO. (F. W. Butler) Akron 14, Ohio ALBERS-SCHOENBERG, Ernst (W) 13-B-3 Redfield Village, Metuchen, N. J. (General Ceramics Corp.) ALBERT, Joseph (W) Albert Pottery, Chamblee, Ga. ALBERTALLI, Stephen L. (GJ) Coming Glass Works, Harrodsburg, Ky. ALBERY, D. F. (SFI) 1433 23rd St. N. W., Canton 9, Ohio (Stark Ceramics, Inc.) ALBRECHT, Ernst Keramische Fachschule Hoehr-Grenzhausen/b Koblenz, Germany ALCOCK, Ronald H. "Ferrum" Espana 402-600, Avellaneda Buenos Aires, Argentina (Ferrum, L. A. de Ceramica y Metalurgia) ALDEN, Charles E. (G) 3427 Heather Downs Blvd. Toledo 14, Ohio (Kimble Glass Co.) ALELUIA, Joao C. F. Av. Araujo E. Silva 59 Aveiro, Portugal (Fabricas Aleluia) ALENIUS, Carl Axel A. Ahlstrom Oy, Iittala Glasbruk I ittala, Finland ALEXANDER, A. E. (G) Tiffany & Co., 727 Fifth Ave. New York 22, N. Y. ALEXANDER, John B. ,(M) Southwestern Portland Cement Co. 1034 Wilshire Blvd. Los Angeles 17, Calif. ALEXANDER, John M. (MI) 2376 Hamilton Ave. North Bellmore, N. Y. ( Swindell-Dressler Corp.) ALEXANDER, R. B. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. ALGEMENE VERENIGING VOOR De NEDERLANDSE AARDEWERK EN GLAS INDUSTRIE (H. G. P. Kolfschoten) Haagweg 139, Rijswijk, Netherlands ALLEN, Alfred W. (R) Ceramic Engineering Dept. University of Illinois, Urbana, 111. ALLEN, Ben (G) Coming Glass Works, Coming, N. Y. ALLEN, Ralph (W) 1234 Paddock Hills Ave. Cincinnati 29, Ohio (Briggs Mfg. Co.) ALLEN, Richard L. (RI) E. J. Lavino & Co., Box 365 Newark, Calif. ALLEN, Robert G. (R) Robert G. Allen Co., Box 110 Mechanicville, N. Y. ALLEN, Walter C. (R) U. S. Steel Corp. Research Lab. Lincoln Highway, Kearny, N. J. ALLEN, Warren W., Jr. (S) Hydraulic-Press Brick Co. South Park, Ohio ALLIANCE WARE, LTD. (R. E. Strain) Box 550, Vancouver, B. C., Canada ALLIEGRO, Richard A. (RJ) 33-05 150th St., Flushing 54, N. Y. 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 Roster 1 JVL,1, J-esue it. liij 547 Simon St., Hayward, Calif. (Kraftile Co.) ALTMANN, Beiton G. (B) 16700 Cypress Way, Los Gatos, Calif. (Kaiser Aluminum & Chemical Corp.) ALTON BRICK CO. (Eben Rodgers, Jr.) Box 394, Alton, 111. ALTSCHULER, Otto (W) Hawthorne Ave., R. R. 1, Langborne, Pa. (Wenczel Tile Co.) ALUMINUM CO. OF AMERICA (H. P. Bonebrake) 1501 Alcoa Bldg. Pittsburgh 19, Pa. AMBROSONE, Joseph P. (G) 215 Cedar St., Corning, N. Y. (Coming Glass Works) AMERICAN COLLOID CO. (Paul Bechtner) Merchandise Mart Plaza, Rm. 813 Chicago 54, 111. AMERICAN ENCAUSTIC TILING CO,, INC. (Robert A. Williams, Jr.) 1000 N. Cannon Ave., Lansdale, Pa. 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) Lakefield, Ont., Canada AMERICAN OPTICAL CO. (A. H. Bennett) Research Center, Soutbbridge, Mass. AMERICAN PORCELAIN ENAMEL CO. (Robert Long) 1285 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. AMERICAN SMELTING & REFINING CO. (L. G. Matthews) 120 Broadway, New York 5, N. Y. AMERICAN WINDOW GLASS CO. (A. S. Crandon) 9 West Park Way Pittsburgh 12, Pa. AMES. R. N. (RI) 10718 S. Morgan St., Chicago 43, 111. (U. S. Steel Corp.) AMES, Robert G. (W) 69 Jefferson Ave., Cresskili, N. J. (B. G. Corp.) AMIN. R. B. Alembic Chemical Works Co., Ltd. P. O. Chemical Industries Baroda 3, India AMMERMAN, J. H. (RI) 202 Scribner, DuBois, Pa. (North American Refractories Co.) AMRHEIN, Alan G., Box 1659 Georgia Institute of Technology Atlanta, Ga. 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, Harlan U. 1424 Federal Way, Salt Lake City, Utah ANDERSON, Harry L. (RI) Republic Steel Corp. Youngstown 1, Ohio 1DERSON, Herbert H. (G) 401 N. Main St., Port Allegany, Pa. (Pittsburgh-Coming Corp.) ANDERSON, Orson L. (G) Bell Telephone Labs., Murray Hill, N. J. 2 Roster A.MDEKSON, K. E. (W) Robertson Mfg. Co., Box 848 Trenton 5, N. J. ANDERSON, R. H. (S) Robinson Clay Product Co., Box 545 Dover, Ohio ANDERSON, Robert E. (W) Iroquois China Co., 2320 Milton Ave. Syracuse 9, N. Y. ANDERSON, Robert R. R. R. 1, Box 112, Stanwood, Wash. ANDERSON, Rupert C. (W) Valley View, R. R. 10 New Brighton, Pa. (Mayer China Co.) ANDERSON, Scott (G) Anderson Physical Laboratory 609 S. Sixth St., Champaign, 111. ANDERSON, William B. (E) Titanium Pigment Corp., Ill Broadway New York 6, N. Y. 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. ANNIS, Aldon P. (S) 319 Court, Ellsworth, Kans. ANTAKI, Emile Ferrum S. A. de Ceramica & Metalurgia Espana 402/600, Avellaneda Buenos Aires, Argentina ANTHONY, Benjamin F. (R) Ferro Engineering Co. 1400 Hanna Bldg., Cleveland 15, Ohio ANTHONY, George H. (R) 41 Marion Dr., Poland, Ohio (Youngstown Sheet & Tube Co.) ANWYL, Robert H. (S) Box 158, Stratton, Ohio (Toronto Fire Brick Co.) AO, Takeo No. 11 1-chome Dairyo-Machi Sumiyoshi, Osaka, Japan (Osaka University) APT, Elmer E. (S) A. C. Ochs Brick & Tile Co. Springfield, Minn. ARANGO, G. Botero Balboa 63-13, Medellin, Colombia (Cristaleria Peldar S. A.) , ARCHBOLD, Walter H., Jr. (MI) 125 Smallwood Dr., Snyder 21, N. Y. (Electro Refractories & Abrasives Corp.) 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. Box 312, Corinth, Miss. ARCHIE, Chad L., Jr. (SJ) Archie Structural Products Co. Box 312, Corinth, Miss. ARENSBERG, Francis L. (R) Vesuvius Crucible Co., Box 8275 Swissvale, Pittsburgh 18, Pa. d'ARGENTEUIL, Comte L. de Meeus Societe Ceramique Hoge Barakkenstraat 6 Maastricht, Netherlands ARKETEX CERAMIC CORP. (George W. Shoemaker) 6 N. Walnut St., Brazil, Ind. ARMCO STEEL CORP. (R. S. Bums) Research Library, Middletown, Ohio ARMISTEAD, W. H. (G) 65 E. First St., Coming, N. Y. (Coming Glass Works) ARMSTRONG CORK CO. (E. C. Emanuel) Research & Development Center Lancaster, Pa. ARMSTRONG, Leland R. (Ri) 1 lVpELOn r Waverly (Interna ZEVEDO, 27 Morgan Ave., Washington (Findlay Clay Products Co ) ' ARNOLD, Howard C. (EFI) 76 Standish Blvd., Pittsburgh 28 P (Federal Enameling & Stamping r, ARNOLD, Robert M. (W) 8 u-) Associac Sao Pan <r (Cerami Arnold Engineering Co., Marernm ,, ARNOLD, Russell E. (SF) 8' Hi. Box E, E. Akron Station, Akron 5 m- (Robinson Clay Product Co.) ' u"' ARNOLD, Thomas M. (WI) Red Wing Potteries, Inc. Red Wing, Minn. ARRANCE, Frank C. (WI) Coors Porcelain Co., 2705 Lam,- Denver 14, Colo. St. ARRANDALE, Roy S. (G) Thatcher Glass Mfg. Co., Inc. 1901 Grand Central Ave., ElmirARRAS, George (E) U. Y. Quadrangle Mfg. Co., 32 S. Peoria c Chicago 7, 111. Ia St- ARSEM, William C. (B) 7829 Old Chester Rd., Bethesda U wj (Office of Naval Research) ' ARTHUR, Edwin P. (G) 3110 Las Faldas Dr., Fullerton, Calif (Beckman Instruments, Inc ) ARTIS, William E. (D) Nebraska State Teachers College Chadron, Nebr. ARWINE, A. S. (R) Refractory & Insulation Corp. Port Kennedy, Pa. ASDELL, Bernard K. (W) Edgar Division Minerals & Chemicals Corp. of Amerii-a McIntyre, Ga. ASHMORE, Russell C., Jr. 1460 Warpath Dr., Kingsport, Tenn ASHWORTH, GEORGE L. & BROTHERS. LTD. (W. Gordon Evans) Broad Street Works Hanley, Stoke-on-Trent, England ASQUITH, Milton Redfeam Brothers, Ltd. Old Mill Glass Works Barnsley, England ASSOCIACAO BRASILEIRA DE CERAMICA (Francisco de Salles V. de Azevedo) Sao Paulo, Brazil ATWELL, George D., Jr. (S) Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. AUER, Konrad F. Netstal, Kt. Glarus, Switzerland (Kalkfabrik Netstal Ag.) AULT, Neil N. (BI) Norton Co., 1 New Bond St. Worcester 6, Mass. AUSKERN, Allan 1105 E. 18th St., Brooklyn 30, N. Y. AUSTENAL LABORATORIES, INC. (R. C. Feagin), 224 E. 39th St. New York 16, N. Y. AUSTIN, Arthur O. (B) Box 109, Barberton, Ohio (A. O. Austin Co.) AUSTIN, Charles E. (S) Consolidated Brick Co. Horseheads, N. Y. AUSTIN, Chester R. (RFI) Oxygen Converter Dept. Kaiser Engineers 1924 Broadway--Kaiser Bldg. Oakland 12, Calif. AUSTIN, James Bliss (BF) Research Laboratory, U. S. Steel Corp. Lincoln Highway, Kearny, N. J. AUSTIN, Lewis M. (G) 2234 Middlesex Dr., Toledo 6, Ohio (Owens-Illinois) bAAB. Ken. v 628 Six (Bethleh rAARSON, Armour Flotation 1355 W BABA, Paul 358 Pen bABCOCK, P 1718 Po (Owen-I BABCOCK, 618 Ken (Pittsbui gABCOCK, Frenchto Frenchto BABCOCK (J- E. B BACH, Carl Tuthill I 545 E. 1 bACH, W. E 7712 Foi (Alumin BACHER, h Rock Ta (White ( BACHMAN, Apt. 13-. (Armstrt BACHMAN, 151 W. V (Pittsbui BACHMAN, R.R. 5, (Carr Cl BACON, Fra 3153 Da. (Owens-1 BACON, Jan 130 Pritt (Corning BACON, Les Research WyandotWyandot- BADGER. ALibhey-0 1701 E. BAER, G. V R. C. Re Hedley S Philadelp BAER, John American 3505 N. BAGBY, Riel 15 Allert (Wright BAGLEY, N. 27 Clevel (Bell Tel bailey, fr 840 s. s (A. O. S. Bailey, ja. 95 Steele ^ (Plax Co bailey, j. Texas'Vi Mineral 1 Ceramic Bulletin V. 34, N< jpELOTT, Elliott C. (El) . * Waverly, Pa. (International Salt Co.) ,gVEDO, Francisco de Salles V. de ' Associacao Brasileira de Ceramics Sao Paulo, Brazil cVEDO, Marcello R. V. de (I) jCaixa Postal 2818, Sao Paulo, Brazil (Ceramica Sanitaria Porcelite S/A) i ijJiB, Kenneth A. (RI) 628 Sixth Ave., Bethlehem, Pa. (Bethlehem Steel Co.) PARSON, Robert E. (M) Armour Chemical Div. Flotation Research Section 1355 W. 31st St., Chicago 9. 111. lABA, Paul D. 358 Pennington St., Elizabeth 2, N. J. lABCOCK, Clarence L. (GF) *1718 Potomac, Toledo 7, Ohio (Owen-Illinois) jABCOCK, M. G. (G) 618 Kenilworth Dr., Pittsburgh 34, Pa. (Pittsburgh Plate Glass Co.) jABCOCK, Paul R. (WI) Frenchtown Porcelain Co. Frenchtown, N. J. : jABCOCK & WILCOX CO. ' (J. E. Brinckerhoff) ; 161 E. 42nd St., New York 17, N. Y. 5 jACH, Carl H. (S) Tuthill Bldg. Material Co. 545 E. 103rd St., Chicago 28, 111. iACH, W. E,, Jr. (MJ) 7712 Fontana, Prairie Village 15, Kans. i (Aluminum Co. of America) JjACHER, Holland R. (W) I Rock Tavern, N. Y. J (White Cloud Farms, Inc.) CHMAN, Charles D. (G) /Apt. 13-A, Arnold Dr., Millville, N. J. (Armstrong Cork Co.) ; 1ACHMAN, George S. (G) l 151 W. Washington St., Shelbyville, Ind. (Pittsburgh Plate Glass Co.) JACHMAN, Wheeler Carr (W) " R.R. 5, Grafton, W. Va. (Carr China Co.) (ICON, Frank R. (GF) 3153 Darlington Rd., Toledo 6, Ohio (Owens-Illinois) 1AC0N, James F. (G) J 130 Pritchard Ave., Corning, N. Y. 1 (Coming Glass Works) IttCON, Leslie R. (G) I Research and Development Division Wyandotte Chemicals Corp. Wyandotte, Mich. 1ADGER, Alfred E. (GF) 1 Libbev-Owens-Ford Glass Co. i 1701 E. Broadway, Toledo 5, Ohio jlAER, G. M. (R) i R. C. Remmey Son Co. Hedley St. & Delaware River .1 Philadelphia 37, Pa. flAER, John B. (W) 1 American Cyanamid Co. 3505 N. Kimball Ave., Chicago 18, 111. *AGBY, Richard A. (BJ) 3 15 Allerton Rd., Dayton 5, Ohio < (Wright Air Development Center) 1AGLEY, Norman H. (W) J 27 Cleveland St., Caldwell, N. J. j (Bell Telephone Laboratories, Inc.) ;pILEY, Floyd (El) * 840 S. Sixth Ave., Kankakee, 111. ) (A. O. Smith Corp.) HEY, James (GF) 1 95 Steele Rd.t West Hartford 7, Conn. * (Plax Corp.) fILEY, J. F. (S) j Texas Vitrified Pipe Co., Box 117 1 Mineral Wells, Texas ft.. 34, No. 10 (1955) BAILEY, Richard J. Doulton & Co., Ltd. Royal Doulton Potteries Burslem, Stoke-on-Trent, England BAILLAUD, Pierre Etablissements Japy Frercs 6, Rue de Marignan Paris VIII, France BAIN, Andrew R. The Whins, 26 Park Terrace Stirling, Scotland BAIR, George J. (GFI) Technical Products Division Coming Glass Works, Corning, N. Y. BAKER, Arvid H. (G) 300 Catlin Ave., Port Allegany, Pa. (Pittsburgh Coming Corp.) BAKER, Burton E. (R) 15 Gwynlake Dr., Baltimore 7, Md. (General Refractories Co.) BAKER, D. Martin (W) 1025 Gardner Blvd., Barberton, Ohio (Ohio Brass Co.) BAKER, Dunbar J. (R) R. R. 1, Robesonia, Pa. (North American Refractories Co.) BAKER, Houston R. (G) 158 E. Third St., Coming, N. Y. (Coming Glass Works) BAKER, Robert L. (G) 46 Highland Ave., Wellsville, N. Y. (Air Preheater Corp.) BAKER, Theodore C. (G) R`.R. 1, Wayne, Ohio (Owens-Illinois) BALDAUF, Earl E. (WI) Flamingo Tile Corp., Box 112 Lake Wales, Fla. BALDRY, Stanley F. T. E. R. G. Industrial Corp., Ltd. Luton Rd., Dunstable, Beds London, England BALDWIN, W. J. (W) Titanium Alloy Mfg. Div., National Lead Co., Box C Bridge Station, Niagara Falls, N. Y. BALINA, Marcelo O. C.A.P.EA., Lanus-KM 7 C. Gral., Belgrano Buenos Aires, Argentina BALTNKIN, Isay (W) University of Cincinnati Cincinnati 21, Ohio BALL, Albert L. (R) Bay State Abrasive Products Co. Westboro, Mass. BALL BROTHERS CO. Muncie. Ind. BAQUE, Harold W. (GI) 1511 Mohican Dr., Pittsburgh 28, Pa. (Corhart Refractories Co.) BARBA. C. E,, Sr. (M) R.R. 1, Doylestown, Pa. (Globar Div.. Carborundum Co.) 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 BARBER, W. A., Jr. (S) Acme Brick Co., Box 425 Fort Worth, Texas BARBOUR, David J. (WF) 345 E. Highland Dr., Zanesville, Ohio BARBRE, Norris H. (S) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BARCH, Frank N. (S) 2390 Collins Rd., Pittsburgh 35, Pa. (Dwight B. Hendryx & Associates) BARDSLEY, James J. (RJ) Box 736, Alfred, N. Y. (Alfred University) BARIUM REDUCTION CORP. (K. O. Priddy) South Charleston 3, W. Va. BARKER, Harry L. (W) Salem China Co., Salem, Ohio BARKER, Rolland C. (G) Glass Mfg. Dept., Lamp Div. General Electric Co., Nela Park Cleveland 12, Ohio BARLETT, Helen B. (BF) A C Spark Plug Div., General Motors Corp., Flint 2, Mich. BARNES, Wilson R. (R) Corhart Refractories Co. 16th & Lee Sts., Louisville 10, Ky. BARON, Jean 15, Place Carnot Nancy (Meurthe et Moselle) France (Institut de Recherches de la Siderurgie) BARR, Harold N. (B) Vitro Corp. of America 200 Pleasant Valley Way West Orange, N. J. BARR, Harry (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Box 1843, Trenton 7, N. J. BARR, Robert A. (E) 867 River Rd., Fair Haven, N. J. (Carborundum Co.) BARR, Seymour J. (S) Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. BARRETT, Harvey N,, Jr. (R) 2233 St. James Parkway Cleveland Heights, Ohio (Basic Refractories, Inc.) BARRETT, Maurice (Life) 8 Oxcliffe Rd. Morecambe and Heysham, England BARRETT, Wayne E. (S) R.R. 1, West Des Moines, la. (Central Engineering & Investment Co.) BARRINGER, Lawrence E. (Honorary, WFI) 23 Front St., Schenectady 5', N. Y. BARROWS PORCELAIN ENAMEL CO. (Woodrow Carpenter) Langdon Rd. & Penn R. R. Cincinnati 13, Ohio BARTA, R. Czechoslovak Ceramic and Glass Society Technicka ul.c.5. Praha XIX, Czechoslovakia BARTHOLOMEW, George A. (S) Mellon Institute, 4400 Fifth "Ave. Pittsburgh 13, Pa. BARTLETT-COLLINS CO. (Harrison I. Bartlett) Box 519 Sapulpa, Okla. BARTLETT, E. E. (G) 4387 Boca Chica Blvd. Brownsville, Texas (Bartlett-Collins Co.). BARTLETT, Harrison I. (G) Bartlett-Collins Co., Box 519 Sapulpa, Okla. BARZAGH1, Luciano Ceramica Sao Caetano Rua Roa Vista, 84-6 andarCaixa Postal 278, Sao Paulo. Brazil BASIC REFRACTORIES, INC. (H. P. Eells, Jr.) 845 Hanna Bldg. Cleveland 15, Ohio BASLER, Wayne G. (GJ) 5735 Gross Dr., Dayton, Ohio (Wright Air Development Center) BASS, N. W. (R) Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3. Ohio BASSETT. Leon B. (B) Box 284, Alfred, N. Y. (State University of New York, College of Ceramics) BASSETT, Ray E. (S) Acme Brick Co., Box 425 Fort Worth 1, Texas BASSETT, Robert (S) Central Commercial Co. Darlington, Beaver County, Pa. BATEMAN, L. A. (E) Eljer Co., Enamel-Ware Div. Salem, Ohio Roster 3 BATES, A. Allan (B) Portland Cement Assn. 33 W. Grqnd Ave., Chicago 10, 111. BATES, Charles E. (S) Hanley Co., Summerville, Pa. BATES, Edgar A. (B) 204 Florida Dr., New Kensington, Pa. (Pittsburgh Plate Glass Co.) BATES, Frank O. (W) Solar Mfg. Corp., E. 46th St. at Seville Los Angeles 58, Calif. BATES, H. Clifford (G) 25 Old Colony Rd. Willowdale, Ont., Canada BATES, P. H. (Life, XF) 1620 Seventh St., N., St. Petersburg, Fla. BATESON, H. Marshall 68 Spring Grove Loughton, Essex, England (Thermos, Ltd.) BATTISTA, George . Gen. Del., Alfred, N. Y. BAUER, Richard M. (M) 728 St. Louis Ave., Zanesville, Ohio (Mosaic Tile Co.) BAUER, Wolf G. (S) 5213 11th Ave., N. E.-, Seattle 5, Wash. (Pyro Mineral Engineering) BAULEKE, Maynard P. Ceramic Engineering Dept. Iowa State College, Ames, la. BAUM, Frederick J., Jr. (B) E. I. du Pont de Nemours & Co., Inc. Experimental Station, Chemical Dept. Wilmington, Del. BAUMANN, Henry N,, Jr. (BFI) 1275 Wyoming Ave. Niagara Falls, N. Y. (Carborundum Co.) BAUMER, Leon N. (R) ' 240 Rockingham Rd., Pittsburgh 38, Pa. (Mellon Institute) BAUMLER, Karl (G) Pittsburgh Corning Corp., Sedalia, Mo. BAUSCH & LOMB OPTICAL CO. (Murray Scott) Rochester 2, N. Y. BAXTER, Allen J. Box 1007, Alfred, N. Y. BAYLISS, John M. (R) 629 Frederick St., Lancaster, Ohio (Mullite Refractories Co.) BAY STATE ABRASIVE PRODUCTS CO. (O. S. Buckner) Westboro, Mass. BEAL, D. S. (E) 15 Oak Dr., Poland, Ohio (Youngstown Sheet & Tube Co.) BEALS, M. Douglas (BI) Research Lab., Titanium Division National Lead Co., South Amboy, N. J. BEALS, Robert J. (WI) 109 Ceramics Bldg. University of Illinois, Urbana, 111. BEAM, James R. (WFI) 300 Ruth Ave., Mansfield, Ohio (Ceramic Engineering Service) BEARD, Clinton L. (WI) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 12, Wise. BEASLEY, Dennis R. (G) 3654 Piedmont Rd., Huntington, W. Va. (Sinclair Glass Co.) BEASLEY, Robert M. (G) Corning Glass Works, Corning, N. Y. BEATHARD, Robert K. (W) General Tile Corp., Box 38 El Segundo, Calif. BEATON, Orville (W) Gem Clay Forming Co., Sebring, Ohio BEAVER, Wallace W. (M) Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3, Ohio BEAZELL, William H. (G) American Window Glass Co. 9 W. Park Way, Pittsburgh 12, Pa. BEBBINGTON, Philip J. (E) 2 Barker Lane, Saxonville, Mass. (Arthur D. Little, Inc.) 4 Roster BECHTNER, Paul (M) American Colloid Co. Merchandise Mart Plaza, Room 813 Chicago 54, 111! BECK, Elmer W. (M) Ceramic Supply Co., Crooksville, Ohio BECK, Norman R. (G) Carr-Lowrey Glass Co. Baltimore 3, Md. BECK, Roy D. (El) 6330 Moraine Ave., Hammond, Ind. (Binks Mfg. Co.) BECK, Warren R. (B) Minnesota Mining & Mfg. Co. Central Research Bldg. St. Paul 6, Minn. BECKEMEYER, Harry J. (W) Universal-Rundle Corp. W. Keith McAfee Lab., Box 1268 Mahoningtown, Pa. BECKER, Bruce N. (GJ) 602 N. Marshall St., Lancaster, Pa. (Radio Corp. of America) BECKER, Martin G. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. BECKER, Walter D. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. BEECHER, Milton F. (RFI) 50 Woodland Rd., Holden, Mass. BEELER, L. S. (W) Reynolds Metals Co., 2500 S. Third St. Louisville 1, Ky. BEERMAN, Henry P. (B) Philco Tube Laboratory, Church Rd. Lansdale, Pa. BEERS, Roland F. (B) Box 1015, Troy, N. Y. (Pinewold Pottery) BEETON, Earl E. (GI) 1604 Lincoln St., Bethlehem, Pa. (Western Electric Co.) BEGIEN, Virginia American Ceramic Society 4055 N. High St. Columbus 14, Ohio BEHREND, Oswald (R) 2557 Robinwood, Toledo, Ohio (Owens-Illinois) 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 Bldg. Pittsburgh 30, Pa. BELL, Clarence D. Box 3438, Clemson College Station Clemson, S. C. BELL, Kenneth E. (S) 349 Lacasse Ave., Apt. 6 Eastview, Ont., Canada (Ottawa Brick & Terra Cotta Co., Ltd.) BELL, Richard (M) Bell Clay Co., Gleason, Tenn. BELL, William C. (BF) North Carolina State College Dept, of Engineering Research Raleigh, N. C. BELLAMY, Harry T. (R) Armour Research Foundation 10 W. 35th St., Chicago 16, 111. BELLAMY, L. B. (R) Sterling Grinding, Wheel Co., Box 801 Tiffin, Ohio BELLIDO, Bartolome Darnis Director Gerente de ME.R.S.A. Lugones (Oviedo), Spain BELOW, Henry (W) Pennsbury Pottery, Morrisville, Pa. BENBENEK, Raymond (SI) Canada Brick, Ltd. Streetsville, Ont., Canada BENDER, Bob G. (GI) CBS-Hytron, Kent & Warren c. Newburyport, Mass. Sts- I BENDER, John H. (R) Denver Fire Clay Co., Box 55m Denver 17, Colo. 510 BENDHEIM, R. W. (M) L. H. Butcher Co. 3628 E. Olympic Blvd. Los Angeles 23, Calif BENEDICT, Virginia American Ceramic Society 4055 N. High St., Columbus 14 ru. BENJAMIN ELECTRIC MFG cAhiu (Hoyt P. Steele) Des Plaines Tit" BENNER, W. J. (R) ' IU- 730 Romona Rd., Wilmette, In (Pyro Refractories Co.) ' BENNETT, A. H. (G) American Optical Co., Research Southbridge, Mass. '-etUer BENNETT, A. Lee (SFI) 1830 Las Flores Dr., Glendale rai;r (Pacific Clay Products) *' BENNETT, Dwight G. (EFI) 204 Ceramics Bldg. University of Illinois, Urbana T11 BENNETT, Francis H. (R) ' ' Pratt & Whitney Aircraft, MDL n oc. East Hartford 8, Conn. 958 BENNETT, Frederick R. (R) Box 325, Hartsville, S. C. (Carolina Refractories Co) BENNETT, Harry J. (W) Crooksville China Co. Crooksville, Ohio BENNETT, Myles P. (RI) 6552 N. Oldham Lane San Gabriel, Calif. (Gladding, McBean & Co.) BENNETT, Walter R. (S) Acme Brick Co., Box 439' Clinton, Okla. BENTZ, George B. (W) National Plumbing Pottery, Inc. 305 N. Front St., Columbus 15, Ohio BERG, Morris (B) 315 Pleasure Rd., Lancaster, Pa.. (Radio Corp. of America) BERGER, Bernard M. (E) Dept. 817, Sears, Roebuck & Co. 925 S. Homan Ave., Chicago 7, III. BERGER, Donald Francis (G) 41 W. South St., Painesville, Ohio (Diamond Alkali Co.) BERGERON, Clifton G. (El) Whirlpool Corp., 300 Broad St. St. Joseph, Mich. BERG-IVERSEN, Wiggo A/S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (El) 3621 W. Howard St., Skokie, 111. (Ohmite Mfg. Co.) BERNARDINI, Guy F. (W) Box 19, R. R. 1, Latrobe, Pa. (Stupakoff Ceramic & Mfg. Div., Carborundum Co.) BERNS, Milton H. (M) 249 Charlotte Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) BERNSTEIN, Leonard (R) Kwikset Powdered Metal Products 516 E. Santa Ana St., Anaheim, Calif. BERNSTORF, Robert B. (W) Box 679, East Liverpool, Ohio (Commercial Decal, Inc.) BERRY, Thomas F. (B) 527 34th St., Union City, N. J. (U. S. Steel Fundamental Res. Lab.) BESSE, Richard W. (W) 481 Brattle Rd., Syracuse, N. Y. (Onondaga Pottery Co.) BEST, Edison F. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BETHLEHEM STEEL CO. (Hobart M. Kraner) Bethlehem, fa. Ceramic Bulletin jjjjTHUN p 127 E flgTTISO p Chaml 52nd f ,,gTZ, Ge p Metal New ' TZ, Wi p U. S. 104 E. bevis. R Intern 4150 1 beyer* ` P Hall 1 (Pure bezborc Mecha 661--6< New 1 s G. COI P' 321 B gXCKERS P (L. N. Columl BICKERS' Bicker Box l: BlCKFOR Box 21 (Comi BIDDLE, 208 S. (Illino biddulp 11 Ho: Wolve BIELSTE1 MetallAerom WAD( BILLIAN, Owens 1700 F BILLINGS Glass 3601 ; Los A- biondi, ; 2310 E BIRCH, R: Harbis 1800 I Pittsbi BISHOP, j Messrs Bright: BISHOP, : Kimble Toledo BISHOP, Guigns Columl BISHOP, : Owens Anders BISHOP, 1 Alumir 3300 h BISSELL, 703 Gi (Ipsenl BIXBY, H Centra Darlim BLACK, E Kimble 1700 > BLACKBU 204 N. (Ram, BLACKWf 124 Fi (Carbc BLAES, H 339 N. (North Vol. 34. : Ohio Center i H. 0-958 b j; t. III. bio 8gTHUNE^ Robert M., Jr. 127 Ellington St., Fayetteville, N. C. jETTISON, L. S. (S) Chambers Brothers Co. 52nd & Media St., Philadelphia 31, Pa. bETZ, George C. (MFI) Metal & Thermit Corp., 100 E. 42nd Si. New York 17, N. Y. 8TZ, Wilbert A. (W) U. S. Potters Assn. 104 E. Fourth St., East Liverpool, Ohio jEVIS, Ralph E. (El) International Division, Ferro Corp. 41S0 E. 56th St., Cleveland 5, Ohio BEYER, George I. (E) ! Hall Ave., St. Marys, Pa. (Pure Carbon Co.) jEZBORODKO, David (G) Mechanical Mirror Works, Inc. 661--663 Edgecombe Ave. New York 32, N. Y. 0. CORP. (Gedert Waiver) 321 Broad Ave., Ridgefield, N. J. jlCKERSTAFF CLAY PRODUCTS CO. (L. N. Bickerstaff) Box 1178 Columbus, Ga. jlCKERSTAFF, L. N. (S) Bickerstaff. Clay Products Co. Box 1178, Columbus, Ga. jlCKFORD. Fred A. (G) Box 29, R.R. 2, Campbell, N. Y. (Corning Glass Works) 1 jIDDLE, George J. (R) 208 S. LaSalle St., Chicago 4, 111. (Illinois Clay Products Co.) jIDDULPH, Albert 11 Holden Rd. Wolverhampton, England BIELSTEIN, Hans O. (R) Metallurgy Research Branch Aeronautical Research Lab. (WCRRL) WADC, Wright-Patterson AFB, Ohio BILLIAN, Carroll J. (G) Owens-Illinois General Research Div. 1700 N. Westwood Ave., Toledo 1, Ohio BILLINGS, David D. (G) Glass Containers Corp. 3601 Santa Fe Ave. Los Angeles 58, Calif. BI0NDI, Joe 2310 E. 52nd St., Los Angeles 58, Calif, sBIRCH, Raymond E. (RFI) | Harbison-Walker Refractories Co. j 1800 Farmers Bank Bldg. ] Pittsburgh 22, Pa. 1 BISHOP, Edward | Messrs. Wm. Jessop & Sons, Ltd. | Brightside Works, Sheffield, England Co. BISHOP, Frederic L. <GF) 1 Kimble Glass Co., Box 1035 | Toledo 1, Ohio 11. HISHOP, George J., Ill (S) 3 Guignard Brick Works, Box 480 ; Columbia, S. C. j BISHOP, Harold E. (G) iv., 5 Owens-Coming Fiberglas Corp. ' Anderson, S. C. i. BISHOP, Laveme R. (R) y. % Aluminum Co. of America 1 3300 Missouri Ave., East St. Louis, 111. lets i Calif. jBISSELL, Don W., Jr. (RI) J 703 Green St., Rockton, 111. 3 (Ipsenlab of Rockford, Inc.) fBlXBY, Henry D. (S) is Central Commercial Co. J Darlington, Beaver County, Pa. Lab.) SLACK, H. R. (G) 3 Kimble Glass Co. I 1700 N. Westwood Ave., Toledo, Ohio jLACKBURN, A. Reif (MI) 1 204 N. State St., Westerville, Ohio (Ram, Inc.) |BLACKWOOD, James M. (RI) )hio s 124 First St., Niagara Falls, N. Y. a (Carborundum Co.) a. Pa. b j'LAES, Henry M., II (BJ) 339 N. Hoover Ave., Whittier, Calif. (North American Aviation) |?ou 34, No. 10 (1955) BLAHA, Emil (R) 415 Ashmead Rd., Cheltenham, Pa. (Selas Corp. of America) BLAIR, Gerald E. (G) Pittsford-Palmyra Rd., Pittsford, N. Y. (Bausch & Lomb Optical Co.) BLAIR, Marion W. (SF) 2131 S. Center St., Terre Haute, Ind. (Manufacturers Equipment Co.) BLAISON, Pierre Societe Des Electrodes Et Refractaires "Savoie," 43, Rue de l'lndustrie Venissieux (Rhone), France BLAKE, A. E. (R) 78 Park Ave., West Caldwell, N. J. (M. W. Kellogg Co.) BLAKE, Edwin M. (D) Box 210, Mount Kisco, N. Y. BLAKE, William V. (RI) Macklin Abrasive Co., Jackson, Mich. BLAKELY, Alexander M. (R) 911 Lake Ave., Wilmette, 111. (Metal Removal Co.) BLANCHARD, M. Kenneth (E) A. O. Smith Corp., 3533 N. 27th St. Milwaukee 1, Wise. BLAU, Henry H. (GFI) Federal Glass Co., 515 E. Innis Ave. Columbus 7, Ohio BLENKO, William Henry, Jr. (G) 1412 Main St., Milton, W. Va. (Blenko Glass Co., Inc.) BLESSING, Robert Lee (SI) 1714 Crestwood Dr. Mineral Wells, Texas ~ (Texas Vitrified Pipe Co.) BLISS, L. G. (M) Foote Mineral Co., 18 W. Chelten Ave. Philadelphia 44, Pa. BLISS, Roderick T. (S) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. BLOCKSIDGE, Arthur B., Jr. (R) Jones & Laughlin Steel Corp. 40 Longworth St., Pittsburgh 7, Pa. BLODGETT, Malcolm (S) 660 Main St., Woburn, Mass. (R. Guastavino Co.) BLODGETT, William E. (W) 11 Lakeview Terrace, Woburn, Mass. (R. Guastavino Co.) BLOHM, Richard E. (E) 1657 E. Waverly Way Baltimore 12, Md. (Rheem Manufacturing Co.) BLOOM, Ray A. (R) Technical Library Timken Roller Bearing Co. Canton 6, Ohio BLOOR, C. A. (W) Universal Clay Products Co. Sandusky, Ohio BLOORE, Robert Boulton Surinnertons, Ltd. Hanley, Stoke-on-Trent, England BLUE RIDGE GLASS CORP. (J. H. Lewis) Kingsport, Tenn. BLUM, Seymour (I) Raytheon Manufacturing Co. Research Div. Waltham, Mass. BLUME, Arthur J. (SI) Murray Tile Co., Cloverport, Ky. BLUMENTHAL, George (WI) Golding-Keene Co., 1401 New York Ave. Trenton 8, N. J. 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) 2012 Pontiac Rd., R. R. 2 Ann Arbor, Mich. (Ford Motor Co.) BOEKER, V. W. (GI) Owens-Corning Fiberglas Corp. 598 Madison Ave., New York 22, X. Y. BOGATAY, Paul (D) 45 W. Weisheimer Rd. Columbus 14, Ohio (Ohio State University) BOGNAR, Edwin J. (RI) Bognar & Co., Inc., 1803 Oliver Bldg. Pittsburgh 22, Pa. BOHN, Edward L. (R) Mullite Refractories Co., 10 Canal St. Shelton, Conn. BOLANOVICH, Melvin (S) 3118 Palmer Sq., Chicago 47, 111. (Illinois Brick Co.) BOLE, George A. (XF) Engineering Experiment Station Ohio State University Columbus 10, Ohio BOLLINGER, Robert H. (MI) Georgia Kaolin Co., 433 N. Broad St. Elizabeth 3, N. J. BOLON, David G. (RI) 1416 Arborview, Ann Arbor, Mich. (Norton Co.) BOLTON, Harry 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. BONEBRAKE, H. P. (M) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. BONK, John A. (G) Coming Glass Works, Product Eng. Coming, N. Y. 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 BOONE, John W. (G) 46 Rugby Rd., Binghamton, N. Y. (International Business Machines Corp.) BOOTH, John F. Hazlehead Hall, Penistone, Nr. Sheffield Sheffield, York, England (Hepworth Iron Co., Ltd.) BOOZE, M. C. (RFI) 4725 Walton Creek Rd. Cincinnati 27, Ohio (Charles Taylor Sons Co.) BOPP, Harold F. (GF) 67 Gorton St., Corning, N. Y. (Coming Glass Works) BOROM, Marcus P. Box 2933, Georgia Institute of Tech. Atlanta, Ga. BOROS, John (W) 1140 E. Jackson St. Long Beach 5, Calif. (Pacific Tile and Porcelain Co.) BOSCH, F. M. Lab. Anorganisch-Tech. & Electro chemie 22 Plateaustraat, Ghent, Belgium BOSLER, Krell (E) 56 Matti Rd., Comer Lakeview Dr. Gardner, Mass. (Florence Stove Co.) BOTFIELD REFRACTORIES CO. (George B. Botfield) Swanson & Clymer Sts. Philadelphia 47, Pa. BOTFIELD, George B. (R) Botfield Refractories Co. Swanson & Clymer Sts. Philadelphia 47, Pa. BOTHE, James V. (GJ) 3 Pyrex St., Corning, N. Y. (Coming Glass Works) BOUDER, Norman M., Jr. (G) 4820 Roland Ave., Baltimore 10, Md. (Pemco Corp.) . Roster 5 BOURGERIE/ R. D. (W) Radio Materials Corp. 332S N. California Ave., Chicago 18, 111. BOVEE, Benedict A. (M) 1837 Winter Rd. ''-rand Island, R.R., N. Y. iobar Div., Carborundum Co.) BL JEN, James J. (R) Bowflux Co., Box 65, Cortland, Ohio BOWER, David N. (G) 3932 Rohr Dr., Toledo 13, Ohio (Owens-Illinois) BOWERS, Donald J. (M) 950 Highland Dr., Columbus 14, Ohio (Battelle Memorial Institute) BOWES, Urban E. (GF) Owens-Illinois, Box 1035--1036 Toledo 1, Ohio BOWMAN, Donald C. (E) 170 N. Du Bois Ave., Elgin, 111. (Chicago Vitreous Corp.) BOWMAN, D. Scott (M) 13095 Franklin Ave. Mountain View, Calif. (Globar Div., Carborundum Co.) BOWMAN, Eugene D. (G) 824 Oakwood Ave., Columbus 6, Ohio (Kimble Glass Co.) BOWMAN, John G. (W) 341 S. Juliana St., Bedford, Pa. BOWNE, Martin S. (SI) Lee Clay Products Co., Inc. Clearfield, Ky. BOYCE, Joseph (M) Vitro Mfg. Co., 60 Greenway Dr. Pittsburgh 4, Pa. BOYCE, Robert E. (W) Harker Pottery Co. East Liverpool, Ohio BOYD. Frank H. (M) S. G. Frantz Co., Inc. Box 1138, Trenton 6, N. J. BOYD, John E. (MI) Rox 2414, Greensboro, N. C. jiroiina Pvrophvllite Co.) BC 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. BOYLES, John P. (W) Edwin M. Knowles China Co. Newell, W. Va. BOYNTON, Claudia G. (D) 7040 Yale Ave., Chicago 21, 111. (Industrial Publications, Inc.) BOYNTON. Robert S. (X) National Lime Assn. 925 15th St. N. W. Washington 5, D. C. BOZZO, J. G. (G) Pierce Glass Co., Railroad Ave. Port Allegany, Pa. BRACKBILL, Charles E. (W) 1415 County Line Rd., Fostoria, Ohio (Electric Auto-Lite Co.) BRADEN, Roger W. (M) Hammond Lead Products 526 Calumet Bldg., Hammond, Ind. BRADLEY, Alan L. Consolidated Rand Brick Pottery & Lime Co. P. O. Olifantsfontein Transvaal, South Africa BRADLEY, Charles A., Jr. (G) Pinewood Acres, R. R. 3, Corning, N. Y. (Coming Glass Works) BRADLEY, Edward L. Georgia Institute of Technology Box 4985, Atlanta, Ga. BP ' ''LEY, Fennimore N. (I) I) E. Deleware, Urbana, 111. BRaDLEY, R. S. (RFI) A. P. Green Fire Brick Co. Research Dept., Mexico, Mo. BRADSTREET, Samuel W. (E) Armour Research Foundation 10 W. 35th St., Chicago 16, 111. 6 Roster BRADWELL, Cyril (RI) Parkhurst Apts. 7B Barbara & Marion Sts., Bethlehem, Pa. (Bethlehem Steel Co.) BRADY, Earl (S) Box 666, Denton, Texas (Acme Brick Co.) BRADY, John G. (B) Dept, of Mines & Technical Surveys Ceramic Section, 40 Lydia St. Ottawa, Ont., Canada BRADY, Justin M. (W) 23 W. 16th St., Apt. 28 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 (Standard Sanitary & Dominion Radiator, Ltd.) BRAMLETT, William P., Jr. (GI) Cumberland Rd., R.R. 2, Millville, N. J. (Armstrong Cork Co.) BRANDT, Kristian H. (B) 643 James Place, Pomona, Calif. (Convair) BRANDT, Martha W. (G) National Glass Budget 800 Grogan Bldg., 541 Wood St. Pittsburgh 22, Pa. BRANDT, Neill M. (GF) " Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BRANDT, William O. (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BRANT, David G. <WI) Universal-Rundle Corp., Box 300 Redlands, Calif. 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.) BRAUCKMAN, Alvin J. 3 Kern Ramble, Austin, Texas BRAY, Kenneth J. (W) Wenczel Tile Co.. Trenton, N. J. BRAYKOVICH, A. F. (W) Humphryes Manufacturing Co. 201 E. Fifth St., Mansfield, Ohio Brasilian Ceramic Society--see Associacao Brasileira de Ceramics BREEDLOVE, James G. (WI) American Lava Corp. Chattanooga, Tenn. BREENE, George A. (G) Industrial Colloids Co. Emlenton, Pa. BREEZE, Lewis K. (E) 501 E. 288th St., Willowick, Ohio (Glascote Products, Inc.) BREITWIESER, Robert H. (R) 1616 W. 27th, Pueblo, Colo. (Standard Fire Brick Co.) BREKKE, Trygve Box 266, Stavanger, Norway (Stavangerflint) BRENNER, Harold M. (E) B. F: Drakenfeld & Co., Inc. Washington, Pa. BRENNER, R. F. (GF) Anchor Hocking Glass Corp. Lancaster, Ohio BRETTELL, I. P. (S) Cooksville Co., Ltd., 1055 Yonge St. Toronto 5, Ont., Canada BRETZ, Lewis A. (S) 1718 Theodan Dr., Pittsburgh 16, Pa. (NATCO Corp.) BREWER, Bob (S) Alamo Clay Products Co., Inc. Box 93, Elmendorf, Texas BREWSTER, Gordon F. (G) 8(B07auRscidhge&RLooamd bE,,OWptililcia^mC.o)' N' V. BRIAN, Charles (M) Paper Makers Importing Co r 44 S. Second St., Easton Pa "CBRIAN, Dick (W) 422 Florida Ave., Chester. W v (Harshaw Chemical Co.) ' Va' BRIAN, S. Douglas (M) Paper Makers Importing Co I 44 S. Second St., Easton Pa ' nc' BRICKHOUSE, Robert E. (R) ' 107 Van Buren St., Evans Citv d (Johns-Manville) y' ^a- BRIGGS' MANUFACTURING rn (A. J. Raible) 71st St. & B & O Railroad Cincinnati 16, Ohio BRINCKERHOFF, J. E. (R) Babcock & Wilcox Co. 161 E. 42nd St., New York i; u u BRINDLEY, George W. (B) ' Y- Dept, of Ceramic Technology Pennsylvania State University University Park, Pa. BRINKMAN, Robert J. 3405 W. 90th St., Cleveland 2 Ohio BRISBANE, S. M. ' tH0 40 Riverdale Rd., Hawthorn E2 Victoria, Australia (Commonwealth Scientific & Industr Research Organization) u BRISTOW, Robert H. (WI) 57 Sequoia Rd., R.R. 1 Ballston Lake, N. Y. BRITCHER, Gordon (W) 306 Berkeley Dr., Syracuse 10, N. Y (Syracuse Pottery, Inc.) BRITISH CERAMIC SOCIETY Federation House Stoke-on-Trent, England BRITTAIN, Clifford G. Gen. Del., Clemson, S. C. BRITTON, Marvin G. (R) 139 Steuben St., Painted Post, N. Y. (Coming Glass Works) BROCKWAY GLASS CO., INC. (F. B. Hess) Brockway, Pa. BROOKE, Stanley Oughtibridge Silica Firebrick Co., Ltd. Oughtibridge, Sheffield, England BROOKS, Robert H. (W) 1738 Pavilion Dr., Pomona, Calif. (Norris-Thermador Corp.) BROSIUS, John P. (G) 403 Emerson Ave., Aspinwall Pittsburgh 15, Pa. (Krieg Piston Ring Co.) BROSKE, William F. (S) Aircraft-Marine Products, Inc. 2100 Paxton St., Harrisburg, Pa. BROWN, Arthur E. 5106 Gifford Ave., Cleveland 9, Ohio BROWN, Clarence B., Jr. (M) Hardinge Co., Inc., 205 W. Wacker Dr. Chicago, 111. BROWN, Donald Nicol (G) 4 E. Third St., Coming, N. Y. (Coming Glass Works) BROWN, Donovan P. (RI) 2704 Eldon Ave., Drexel Hill, Pa. (North American Refractories Co.) BROWN, Frank H., Jr. (B) Box 33, Glendora, Calif. (North American Aviation, Inc.) BROWN, George Reuben (M) North American Mfg. Co. 4455 E. 71st St., Cleveland 5, Ohio BROWN, John J,, Jr. (SI) Redford Brick Co., 12th & Maury St. Richmond, Va. BROWN, Joseph A. (S) Baltimore Brick Co. , 3200 E. Madison St., Baltimore 5, BROWN, Lawrence H. (WFI) Box 632, East Liverpool, Ohio (Hall China Co.) Ceramic Bulletin pOWN, L< Lenox, 1 rOWN, M P P 9500 S. Los Nie (Pacific pOWN, R; 0 Comstoc! Niagara p0WN, R; p 1930 S. pOWNR. ** 3842 Gr (Carbon oROWN, W p Libbey-C Rossforc drOWN, W Box 21/ (E. J. I brOWNE, ' P 2115 Or South P (Titaniu BROWNED 126 Hor (State l College BRUEGGER Mexican Coahuila BRUHN, H. Corhart 1600 W rRUNNER, 106 W. (Ipsenla BRUNO, Lu Federal Perth A BRUSH, Ge Harrop 35 E. G Columbr: BRUSSE, VI Temco 1 Nashvill BRYANT, A Silica S. Le Sueu BRYANT, E Ferro G Clevelan BRYCE, Ho ! Henders. j Henders< i BUCHAN, E | 325 Sou i (A. P. ( ; BUCK GLA 841 E. 1 BUCKLES, 1324 In< (Donald BUCKNER, Bay Sta Westbor- BUEGE, Ro Globe-UMilwauk BUEHLER, 2439 To (Clevela BUESSEM, Pennsyh College i Universi BUFFALO (R. E. ( Buffalo BUILDERS (R. C. 1 3800 Nr BUKTAS, B Sumerba BULKLEY, Socony . Paulsbor Vol. 34, Is -OWN, Leslie (W) ' Lenox, Inc., Trenton 5, N. J. .OWN, Meredith C. (S) ' 9500 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) gOWN, Raymond G. (R) Comstock & Wescott, Inc., Box 835 Niagara Falls, N. Y. BgOWN, Raymond J. * 1930 S. Scoville Ave., Berwyn, 111. .gOWN, Roy W. (G) 1 3842 Grennoch St., Houston 25, Texas (Carborundum Co.) .gOWN, Wilbur F. (GF) Libbey-Owens-Ford Glass Co. Rossford, Ohio .gOWN, William E. (R) Box 217, R.R. 1, Norristown, Pa. (E. J. Lavino & Co.) ggOWNE, Thomas C. (RI) 2115 Orchard Dr. South Plainfield, N. J. (Titanium Div., National Lead Co.) ogOWNELL, Wayne E. (SI) 126 Hornell St,, Homell, N. Y. (State University of New York, College of Ceramics) ggUEGGERHOFF, Charles (R) Mexican Zinc Co., N. Rosita Coahuila, Mexico ggUHN, Hans W. (R) Corhart Refractories Co., Inc. 3 1600 W. Lee St.', Louisville 10, Ky. ggUNNER, Cedric D. (W) 106 W. Union, Rockton, 111. (Ipsenlab of Rockford, Inc.) BRUNO, Lucien V. (S) Federal Seaboard Terra Cotta Corp. Perth Amboy, N. J. ; BRUSH, George D. (SI) . Harrop Ceramic Service Co. 35 E. Gay St., Room 413 i Columbus 15, Ohio BRUSSE, William, Jr. (E) ' Temco Inc., 4104 Park Ave. Nashville 9, Tenn. ; BRYANT, Albert D. (M) Silica Sand Corp., Box 84 Le Sueur, Minn. 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) 325 South St., Benton, Ark. (A. P. Green Fire.Brick Co.) "BUCK GLASS CO. (Royden A. Blunt) j 841 E. Fort Ave., Baltimore 30, Md. J BUCKLES, Paul E. (WI) i 1324 Indiana St., Zanesville, Ohio ! (Donald Hagar Ceramic Materials) j BUCKNER, O. S. (GI) i Bay State Abrasive Products Co. i Westboro, Mass. BUEGE, Robert H. (W) 4 Globe-Union, Inc., 900 E. Keefe Ave. j Milwaukee 1, Wise. j BUEHLER, Bert P. (S) j 2439 Torrington Ave., Parma 29, Ohio .] (Cleveland Builders Supply Co.) jBUESSEM, W. R. (B) j Pennsylvania State University | College of Mineral Industries University Park, Pa. ; buffalo pottery, inc. (R. E. Gould) 25 Hayes PI. Buffalo 10, N. Y. Ibuilders brick co. (R. C. Houlahan) 3800 Ninth Ave., S., Seattle, Wash. jBUKTAS. Bulent j Sumerbank, Ankara, Turkey BULKLEY, Ronald (M) Socony Mobil Laboratories Paulsboro, N. J. BULLARD, Edward R. (E) B. F. Drakenfeld & Co., Inc. Washington, Pa. BULLARD, 2nd Lt. Keith, 068031 USMCR "D" Co., 2 B. C., Ba. Scol., M.C. 5, Camp Upshur, Quantico, Va. BULLOCK, Gordon 20 Firth PI., Warrington, England (College of Technology) BUNGE, Fred H. (M) M. A. Hanna Co., Research Lab. Hibbing, Minn. BURCH, Oscar G. (GF) Owens-Illinois Box 1035--1036, Toledo 1, Ohio BURCHENAL, Charles H. (W) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio BURCHFIEL, B. M. (RFI) 4458 Rosewood PL, Riverside, Calif. (Hancock Brick Co.) BURCHFIELD, Paul E. (G) Wyandotte Chemicals Corp. 1609 Biddle Ave., Wyandotte, Mich. BURDICK, Milton D. (WFI) Porcelain & Pottery Section National Bureau of Standards Washington 25, D. C. BURGBACHER, Donald E. (R) 6812 Buckingham PI. Cincinnati 27, Ohio (Cincinnati Milling Machine Co.) BURGESS, Blandford C. (MF) USOM, APO 928, San Francisco, Calif. BURKE, J. E. (B) General Electric Co., Research Lab. Schenectady, N. Y. BURKE, L. Roger (R) 1203 Peoples Bank Bldg. Pittsburgh 22, Pa. (Chas. Taylor Sons Co.) BURKE, O. W., Jr. (R) 11281 E. Nine Mile Rd. Van Dyke, Mich. (Burke Research Co.) BURKERT, John G. Box 214, Alfred, N. Y. BURKHALTER, Edward (SI) 7219 Interlaaken Dr. Tacoma 99, Wash. (Builders Brick Co.) BURKS, Cecil M., Jr. (RI) 1005 Kenmore Ave., S. E. Warren, Ohio (General Refractories Co.) BURLEY, Frank N. (W) 520 W. Ricketts St., Kokomo, Ind. (Kokomo Sanitary Pottery Corp.) BURLEY, Newton Ray (W) 1864 Dresden Rd., Zanesville, Ohio (Burley Clay Products Co.) BURLINGAME. Howard G. (E) California Metal Enameling Co. 6904 E. Slauson Ave. Los Angeles 22, Calif. BURNAND, Guy M. (Life) Messrs. Johnson, Matthey & Co., Ltd. 78, Hatton Garden London, E. C. 1, England BURNS, Frederick L. (W) 1777 Norwood Blvd., Zanesville, Ohio (Watt Pottery Co.) BURNS, Henry K., Jr. (S) 1620 Waverland Dr., Macon, Ga. (Burns Brick Co.) * BURNS, Joseph A., Jr. (M) Joseph A. Burns & Son 124 Harrison Ave. Avalon, Pittsburgh 2, Pa. BURNS, R. S. (E) Armco Steel Corp., Research Library Middletown, Ohio BURRISS, William K. (G) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Erwin, Tenn. BURROUGHS, F. H. (W) Box 1329, Trenton 7, N. J. BURROUGHS, Jack E. Miller Equipment Co., Box 1566 Salisbury, N. C. BURTON, Howard B. (G) 1618 Arlington Ave., St. Paul 17, Minn. (Minnesota Mining & Mfg. Co.) BURTON, W. A. (W) 803 E. Fourth St., Mt. Pleasant, Texas (Paris & Mt. Pleasant R. R.) BURWINKEL, Lawrence G., Jr. (G) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh 22, Pa. BUSH, Edward A.. 200 Washington Ave., Vandergrift, Pa. BUSH, James W. (SI) 4550 Delhi Rd., Cincinnati 38, Ohio (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., Tiffin & Town Sts. Fostoria, Ohio BUSTEED, Donald J. (RI) 8 Janet Circle, Shrewsbury, Mass. (Bay State Abrasive Products Co.) BUTCHER, L. H., CO. (R. W. Bendheim) 3628 E. Olympic Blvd. Los Angeles 23, Calif. BUTCHER, William T. "Woodgarth," 3 Stamford Brook Ave. London, W. 6, England (Goodlass Wall & Lead Industries, Ltd.) BUTKOVICH, Edward M. (R) 9000 Buffalo Ave., Chicago 17, 111. (Armour Research Foundation) BUTLER, F. W. (W) Akron Porcelain Co., Akron 14, Ohio BUTLER. Thomas J., Jr. (S) Box 279, Austin 62, Texas (Elgin-Butler Brick Co.) BUTTERWORTH, William N. (G) General Refractories Co. 950 Leader Bldg., Cleveland 14, Ohio BUTTLE, Robert L. (W) 111 Bayview Dr., Absecon City, N. J. (Lenox Inc.) BUTTON, Daniel D. Box 11, Alfred, N. Y. BUTTON, Dudley (D) Mercedes Ceramic Studios 3060 Bloor St., W. Toronto 18, Ont., Canada BUZARD, Fred T. (M) Bell, Pine & High Sts., Plymouth, Ohio (Fate-Root-Heath Co.) BYERLY, D. R. (W) Procter & Gamble Co. M. A. & R. Bldg., Ivorydale 17, Ohio BYRNS, Alva C. (R) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland 12, Calif. c CABLE, John A. (W) 1011 22nd St. N. E., Canton 4, Ohio (U. S. Quarry Tile Co.) CABLE, Margaret (DF) 1520 San Miguel Ave. Santa Barbara, Calif. CABLE, Stephen J. (W) 3615 Eaton, N. W., Canton 9, Ohio (Sparta Ceramic Co.) CABOT, GODFREY L., INC. (Frank E. Daley) 39 Glen Dr. Yardley, Pa. CACCAMISE, Charles T. (M) Electro Metallurgical Co., 137 47th St. Niagara Falls, N. Y. CAHOON, G. J. (WI) 205 Dewey St., Oregon, Wise. CAHOON, Harold P. (S) 1555 E. 3350 South Salt Lake City, Utah (Interstate Brick Co.) Roster 7 , CAITO. A. M. (RI) Basic Refractories, Inc. Maple Grove, Olio CALA, Charles F. (G) 144 Hoover Rd., Rochester 17, N. Y. (Bausch & Lomb Optical Co.) CALABRESE, Donald W. Box 215, Alfred, N. Y. .DWELL, Helen (D) `Board of Education Administration Bldg., 1429 W. Seventh Burlington, la. CALDWELL, Smiley, Jr. (G) Rolland Glass Co., Box 232 Clarksburg, W. Va. CALDWELL, Smiley M., Ill 1435 Farland Ave., Clarksburg, W. Va. CALDWELL, William D. (El) Perfection Industries, Inc. 1135 Ivanhoe Rd., Cleveland 10, Ohio CALLAHAN, H. D. (WFI) U. S. Ceramic Tile Co. East Sparta, Ohio CALLAHAN, Robert M. (B) 4553 Seville Ave. Los Angeles 58, Calif. (Solar Mfg. Co.) CALLINAN, Edward E. (RFI) DeKalb Park, Center Square, Pa. (Alan Wood Steel Co.) CAMERON, Robert Ayre (G) Corning Glass Works, Coming, N. Y. CAMPBELL, C. V. (MI) 444 Florida Ave., Chester, W. Va. (Ferro Corp.) CAMPBELL, Edward S. (G) Northwestern Glass Co. 5801 E. Marginal Way, Seattle 4, Wash. CAMPBELL, G. Donald (G) 621 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. jPBELL, J. Douglas (E) Lithium Corp. of America, Inc. 540 Lincoln Bldg., 60 E. 42nd St. New York 17, N. Y. CAMPBELL, Robert M. (WFI) 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.) CAMPOS, F. Torres (S) Puerto Rico Clay Products Corp. Box 4729, San Juan, Puerto Rico 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) 202 Fox Chapel Rd., Pittsburgh 38, Pa. (Pittsburgh Plate Glass Co.) CAPELLMAN, John J. (R) 1118 Highland St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) CAPPELLI, Louis A. 916 Bryant Ave. Bronx 59, New York, N. Y. CAPPS, Hubert (S) 1108 W. Third St., Coffeyville, Kans. fLudowici-Celadon Co.) ( IS, Webster (G) National Bureau of Standards Washington 25, D. C. CARBORUNDUM CO. (H. C. Martin) Buffalo Ave., Niagara Falls, N. Y. 8 Roster CARDER, Frederick (Honorary, GF) Steuben Div., Corning Glass Works Coming, N. Y. CAREY, J. Sheldon (D) Dept, of Design, University of Kansas Lawrence, Kans. CARINI, George F. 628 S. Seminole, Okmulgee, Okla. CARL, John E. (GI) Coming Glass Works Central Falls, R. I. CARLSON, Joseph A. (S) 50 Hawthorne St. San Francisco 5, Calif. (Kraftile Co.) CARLSON, William G. (RI) 175 Glenfield Dr., Pittsburgh 35, Pa. (Westinghouse Electric Corp.) CARLYLE, Edward C. (S) Box 128, Ironton, Ohio (Carlyle Tile Co.) 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 CARNES, Samuel J. (D) Camark Pottery Co., Camden, Ark. CARO, Robert (M) Hedi Schoop Art Creations, Box 384 North Hollywood, 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 Division Godfrey L. Cabot, Inc., 77 Franklin St. Boston 10, Mass. CARPENTER, Harry W. 15 N. Monroe St., Hinsdale, III. CARPENTER, Woodrow (E) Barrows Porcelain Enamel Co. Langdon Rd. & Penn. R. R. Cincinnati 13, Ohio CARR-LOWREY GLASS CO. (Norman R. Beck) Baltimore 3, Md. CARROLL, Jerry W. R. R. 1, Cedar Falls, la. CARROLL, William F. (W) 3499 McNally Ave., Altadena, Calif. (Florence Ceramics Co.) CARRUTHERS, John L. (SFI) Lord Hall, Ohio State University Columbus 10, Ohio CARTER, D. R. (M) Eagle-Picher Co. American Bldg., Cincinnati 1, Ohio CARTER, F. B. (WI) Tiffin 12, Ohio (American-Standard Corp.) CARTER, Gerard T. (W) 26 Laurel St., Fairhaven, Mass. (Comell-Dubilier Electric Corp.) CARTER, Herbert D. (WFI) 3351 Dorchester Rd. Shaker Heights 20, Ohio (Harshaw Chemical Co.) CARTER, J. Guild (M) Eureka Feldspar Mining & Milling Co., Inc., 190 W. State St. Trenton 8, N. J. CARTWRIGHT, S. V. (SI) 1224 Victoria Ave., Corona, Calif. (Jordan Tile Mfg. Co.) CASAMO, Charles C. (G) Sylvania Electric Products, Inc. Emporium, Pa. CASE, W. A., & SON MFG. CO 1 (Willard G. Young) Robinson T,, CASSADY, Bert L. (R) *" 5115 S. Lewis Ave., Tulsa is r>i,i CATHER, Helen Fisher (W) ' kla- Box 2372, Laguna Beach Calif (Cather Kilns) CATON, Milton W. (RF) 22490 Nevada Ave., East Detroit u- (Ceramic Div., 01t' Mich. Champion Spark Plug Co) CAUTHORN, James E. (RJ) 1007 Vermont Ave., Pittsburgh ia - (Harbison-Walker Refractories rv\ P*- CAVANAUGH, D. J. (WI) v'0>) 822 32nd St., Parkersburg w v (U. S. Ceramic Tile Co.) Va- CAWOOD, Richard L. (M) East Liverpool, Ohio (Patterson Foundry & Machine \ CAYFORD, James M. (El) 1317 Ridge Ave., Steubenville Oh; (Toronto Paperboard Co) ' 10 CECIL, Paul S. (E) Service Porcelain Enamel, Inc. Brill & Christie Sts., Newark 5 N r CENTRAL SILICA CO. (E. C. SatL 806 Market St., Zanesville, Ohio ^] CERAMIC ASSOCIATION OF TAPsw (Yogyo Kyokwai) AN 7, Shiba-Nishikubo-Sakuragawacho Minato-ku, Tokyo, Japan CERAMIC COLOR & CHEMICAL MFG. CO. (W. F. Warning) Box 297, New Brighton, Pa CERMAK, Frank (WF) 1542 Union St., Schenectady 9 N Y CERNY, Joseph J. (E) ' '' 5226-28 W. 26th St. Chicago 50 (Cicero) 111. (Resistors, Inc.) CERULLI, Nicholas F. 73 Forest Ave., Caldwell, N. J CHADEYRON, A. A. G. Cleveland Magnesite & Refractory Co. Ltd. Normanby Brickworks, Normanby Middlesbrough, York, England CHAI, Ki-Kon Telluride Assn., Ithaca, N. Y. CHALAM, C. Venkata (J) Hindusthan-Pilkington Glass Works Ltd. Asansol., West Bengal, India CHAMBERLAIN, James M. W. (B) U. S. Stoneware Co., Box 350 Akron 9, Ohio CHAMBERS, Gordon H. (M) Foote Mineral Co., 18 W. Chelten Ave. Philadelphia 44, Pa. CHAMBERS, Fred (M) National Gypsum Co., Luckey, Ohio CHAMPION SPARK PLUG COCERAMIC DIV. (James S. Owens) 8525 Butler Ave., Detroit 11, Mich. CHANDLER, Keith B. (W) Banyan Ceramics, 109 S.W. Sixth St. Ft. Lauderdale, Fla. CHANTLER, L. W. (R) Standard Lime & Cement Co. Millville, W. Va. CHAPMAN, Frank E., Jr. (El) 1026 Middlesex Rd., Baltimore 21, Md. (Pemco Corp.) CHAPMAN, G. Marsh (W) Harshaw Chemical Co., 1945 E. 97th St. Cleveland 6, Ohio CHARBONNIER, William P. (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. CHARLAND, Tel L. (RI) nl, 317 W. Kerr Dr., Midwest City, Okla. (Phillips Petroleum Co.) CHARLTON, Alex E. (W) Photoceramics, Inc. ,. 1822 Western Ave., Cincinnati 14, Oto CHARVAT, Fedia R. Mass. Inst, of Technology Rm. 4-051, Cambridge 39, Mass. Dana ! Dana Chas. ' Elmhurst N ' York St. at ; -.HASH, Harry CP 4040 Lakes (Western I .riATTAHOO CP (Paul M. C CHATMNOv (Joe G. Vei rriAUMEIL, F 0 Verreries d. Bagneaux s Seine et M; ,-HEN, Louis Y v Box 164, A cjlESS, James Pittsburgh One Gatew; CIIESTER,A. Promat Dix 851 S. Mar : rjlESTERS, Jc j United Ste< j Research & I "Swinden 1 j Rotherham, j CHICAGO HA FOUNDRY j (John J. Gt | iCHICAGO PO (J. S. Cliff 1 Chicago 14, 1 CHICAGO VII I (William H Cicero 50, I CHILCOTE, Jo 1907 16th 5 (Bureau of CHILD, James Hancock Bi Findlay, Oh CHILDS, Clayt. 2257 N. Yo (General E CHILDS, Edwii 3602 Bower Baltimore 7 (Pemco Cot CHILDS, H. V Bell Minera CHIN, Chao-Hs: Peitou Cera Republic of CHING, Tung I 93 Chatham CHIOCHETTI, 2614 Lane t (Owens-Cor CHISHOLM, B (Robert A. Chicago 21, CHIU, Hung-W. 204 Hudson (Holophane CHORMANN, ( 195 Gregory Rochester 2( CHOTHIA, Bon Wadia Bldg. Bombay, Ind CHRISTENSEN University o Salt Lake Ci CHRISTENSEN Royal Coper, Manufactory Manufactory Smallegade 4 CHRISTIE, Leo 343 Sound I Old Greenwi (Babcock & CHRISTMAN, I 25 Eggert A (Richmond I Ceramic Bulletin VOL. 34, No. .SE, Dana (EF) pans Ch&se Publications Elmhurst National Bank Bldg. York St. at Park Ave., Elmhurst, 111. ASE, Harry K. (R) 4040 Lakeshore Ave., Oakland, Calif. 'Western Refractories Co.) iTAHOOCHEE BRICK CO. Paul M. Oark) Chattahoochee, Ga. ; tfATTANOOGA GLASS CO. , TM (Joe G. Venable) Chattanooga 10, Tenn. ! dAUMEIL, Frederic _ P Verreries de Bagneaux et Appert Ferres \ Bagneaux s/Loing j Seine et Marne, France ' iiEN, Louis Y. L. * Box 164, Alfred, N. Y. JESS, James S. (G) ' Pittsburgh Plate Glass Co. ' One Gateway Center, Pittsburgh, Pa. JESTER, a. E. (B) Promat Division, Poor & Co. 851 S. Market St., Waukegan, 111. JESTERS, John H. (F) United Steel Co., Ltd. Research & Development Dept. "Swinden House," Moorgate Rotherham, York, England : JICAGO HARDWARE FOUNDRY CO. (John J. Geraghty) North Chicago, 111. : JICAGO POTTERY CO. j (J. S. Clifford) 1920 Clybourn Ave. Chicago 14, 111. JICAGO VITREOUS CORP. (William Hogenson) 1425 S. 55th Court Cicero 50, 111. JILCOTE, Joseph H. (R) ] 1907 16th St., N., Arlington 1, Va. j (Bureau of Ships, Navy Dept.) WILD, James L., Jr. (S) j Hancock Brick & Tile Co., Box 450 ! Findlay, Ohio IJILDS, Clayton G. (B) 257 N. York St., Owensboro, Ky. General Electric Co.) tHILDS, Edwin E., Jr. (EJ) f 3602 Bowers Ave., Apt. A J Baltimore 7, Md. j (Pemco Corp.) 4BILDS, H. W. (W) j Bell Minerals Co., West Paris, Me. iHIN, Chao-Hsin j Peitou Ceramic Plant, Peitou, Formosa 5 Republic of China bilNG, Tung Rey (J) i 93 Chatham Rd., Kowloon, Hong Kong SHIOCHETTI, Vincent E. J. (G) 2614 Lane Ave., Anderson, S. C. (Owens-Coming Fiberglas Corp.) ICHISHOLM, BOYD & WHITE CO. ! (Robert A. Ebersole) 610 W. 57th St. Chicago 21, 111. -HU, Hung-Wen (G) 204 Hudson Ave., Newark, Ohio (Holophane Co., Inc.) SORMANN, O. I. (E) \ 195 Gregory Hill Rd. ! Rochester 20, N. Y. SH0THIA, Boman S. I Wadia Bldg., 137 Queen's Rd. ' Bombay, India JHRISTENSEN, Carl J. (B) j University of Utah ; Salt Lake City 1, Utah jRISTENSEN, Chr. I Royal Copenhagen Porcelain (Manufactory & The Faience Manufactory Aluminia Stnallegade 45, Copenhagen F., Denmark 5,d1STIE, Leonard D,, Jr. (R) 13 Sound Beach Ave. Uld Greenwich, Conn. (Babcock & Wilcox Co.) [RRISTMAN, Brian B. (W) 25 Eggert Ave., Metuchen, N. J. (Richmond Radiator Co.) 34, No. 10 (1955) CHRISTMAN, C. E. (E) Federal Enameling & Stamping Co. Pittsburgh, Pa. CHRISTMAN, H. M. (RI) 1023 Roosevelt, N. E., Massillon, Ohio (Massillon Refractories Co.) CHRISTOPHER, A. B. (S) Chambers Bros. Co., 52 & Media Philadelphia 31, Pa. CHU, Gordon P. K. (E) Research Laboratory, Pfaudler Co. 1000 West Ave., Rochester 3, N. Y. CHUN, Lee 230 Prince Edward Rd. Kowloon, Hong Kong CHUTTER, George A. (M) Middle Haddam Rd., Portland, Conn. CIA. MEXICANA DE REFRACTARIOS A. P. GREEN, S. A. (H. Fetter) Hamburgo 51, Apartado Postal 71 Bis Mexico, D. F. CICHOWSKI, V. J. (E) Fusite Corp., 6000 Femview Ave. Cincinnati 13, Ohio CINCINNATI MILLING PRODS. DIV. CINCINNATI MILLING MACHINE CO. (Hayward A. Gay) 4701 Marburg Ave., Cincinnati 9, Ohio CLARE, Robert L. (SFI) 212 Rector St., Perth Amboy, N. J. CLARK, Alec W. Beatson, Clark & Co., Ltd. Rotherham, York, England CLARK, C. Burton (R) 1766 Meadowcrest Dr. Pittsburgh 28, Pa. (Harbison-Walker Refractories Co.) CLARK, Daniel J. (S) Vitro Mfg. Co., 60 Greenway Dr. Pittsburgh 4, Pa. CLARK, Horace N. (R) Refractory & Insulation Corp. 120 Wall St., New York 5, N. Y. CLARK, James L. (S) 5 Stuart St., Denver, Colo. (Robinson Brick & Tile Co.) CLARK, John D. (XI) 656 Lindley Rd., Glenside, Pa. (Foote Mineral Co.) CLARK, John R,, Jr. (S) Washington Brick Co., Muirkirk, Md. CLARK, Paul M. (S) Chattahoochee Brick Co. Chattahoochee, Ga. CLARK, Richard E. (MI) Sparta Ceramic Co. East Sparta, Ohio CLARK, Roland J. (M) Precision Grinding Wheel Co., Inc. 8301 Torresdale Ave. Philadelphia 36, Pa. CLARK, Thaddeus J. E. (W) 113 Elmore Ave., Trenton 9, N. J. (Trenton Potteries Co.) CLARKE, Ford K. (G) Philco Corp., Church Rd., Lansdale, Pa. CLARKE, James A. Bilston Foundries Ltd. Highfields, Bilston, Staffs, England CLAUS, Karl M. (W) Mosaic Tile Co., Pershing Rd. Zanesville, Ohio CLAY, Wilfred (E) Kaiser Metal Products, Radcliffe St. Bristol, Pa. CLAYBURN CO., LTD. (R. M. Hungerford) 850 W. Hastings St. Vancouver 1, 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. (SI) Cannelton Sewer Pipe Co. Cannelton, Ind. CLEVELAND, George B. (B) California State Div. of Mines Ferry Bldg., San Francisco 11, Calif. CLEVELAND MUSEUM OF ART (William M. Milliken) Cleveland 6, Ohio CLEVELAND, Theodore K. (G) Philadelphia Quartz Co. of California Sixth & Grayson Sts. Berkeley 10, Calif. CLEVENGER, Thomas R. 7 Bartlett St. New Brunswick, N. J. CLEVER, William R. (G) 401 N. Elm St., Lincoln, 111. (Pittsburgh Plate Glass Co.) CLEVERLY, Robert B. (SI) 22120 Westwood Rd. Fairview Park 26, Ohio (Universal Sewer Pipe Corp.) CLEWS, Francis H. British Ceramic Research Assn. Mellor Laboratories, Shelton Stoke-on-Trent, England CLICK, Roy, Jr. University of Alabama, Box 791 University, Ala. CLIFFORD, J. S. (W) Chicago Pottery Co. 1920 Clybourn Ave., Chicago 14, 111. CLINE, I. R. (S) Western Brick Co., Danville, 111. CLINE, Robert W. (WI) 377 Main St., East Aurora, N. Y. (Onondaga Pottery Co.) CLINGAN, J. R. T. (R) Niles Fire Brick Co., 165 E. Park Ave., Niles, Ohio CLOSE, Barbara S. 36 Lenox PL, Middletown, N. Y. CLOSE, Paul (G) Owens-Illinois Box 1035-6, Toledo, Ohio CLOUGH, Philip J. (R) National Research Corp. 70 Memorial Dr., Cambridge 42, Mass. CLOWES, E. J. (W) Clowes Ceramic Corp. 3711 Calhoun Ave. Chattanooga 7, Tenn. CMOLIK, Clarence G. (B) 4403 Sheraton Dr., Parma 29, Ohio (Brush Laboratories Co.) COATES, Bill (SF) Coates Co., Box 935, Austin 65, Texas COBLE, Robert L. (BJ) General Electric Research Lab. Box 1088, Schenectady, N. Y. CODE, Thomas E. (EJ) YMCA, 117 W. Monument, Dayton, Ohio (Frigidaire Div., General Motors Corp.) COEN, Bernard (W) Woodbridge Sanitary Pottery Corp. 500 Green St., Woodbridge, N. J. COFFEEN, William W. (EFI) 1024 Boulevard, Westfield, N. J. (Metal & Thermit Corp.) COFFER, L. Wallace (B) Extractive Metallurgy Division Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio COFFIN, Leon B. (W) Andover, N. Y. (Alfred University) COGEN, Saul (S) Davidson Brick Co., 4701 Floral Dr. Los Angeles 22, Calif. COGHILL, H. T. (X) 2028 Collingswood Rd. Columbus 21, Ohio (Refractories Div., Carborundum Co.) Roster 9 COHEN, Aaron (S) Box $05, Willamina, Ore. (Willamina Clay Products) COHEN, Alvin J. (G) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. COHEN, Arthur E. (G) Sylvania Electric Products, Inc. j Cottage Place, Mineola, N. Y. ^JHEN, Bernard (G) 204 Fall St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) COIN, R. H. (E) Ingraxn-Richardson, Inc. Jefferson Rd., Frankfort, Ind. COLCORD, John E. (RJ) 3425 Ethel Ave. South Bend 15, Ind. (Bendix Products Div.) COLE, G. Percy (G) Dominion Glass Co., Ltd. Box 190, Montreal, Que., Canada COLE, Sandford S. (BFI) Titanium Division, National Lead Co. Research Dept., Box 58 South Amboy, N. J. COLE, Sandford S., Jr. (WJ) Power Tube Div., Raytheon Mfg. Co. Waltham 54, Mass. COLE, William R. (MJ) Box 35, Seagrove, N. C. (J. B. Coles Pottery) COLEMAN, Caruthers A. (S) Big Run Coal & Clay Co. 133 N. Limestone St., Lexington, Ky. COLEMAN, J. C. (G) 3746 Mapleway Dr., Toledo 14, Ohio (Kimble Glass Co.) COLEMAN, Robert L. (SI) 467 Dogwood, Park Forest Chicago Heights, 111. (Chicago Brick Co.) COLEMAN, Thomas B. (S) 635 Tarboro St., Rocky Mount, N. C. (Nash Brick Co., Inc.) T-IER, Roger E. ,'70 Teehwood Dr., N. W.f Atlanta, Ga. COLLINS, G. F. (G) Pittsburgh Plate Glass Co., Box 750 Henryetta, Okla. COLLINS, Paul F. (WI) Microcast Div., Austenal Labs., Inc. 7001 S. Chicago Ave., Chicago 37, 111. COLLINS, William G. (WI) Johns-Manville Corp., Waukegan, 111. COLONIAL INSULATOR CO. (R. W. Hemphill) 945 Grant St. Akron 11, Ohio COLOSKY, Benjamin P. 1621 Windrew Ave. South Plainfield, N. J. COLUMBIA FIRE BRICK CO. (M. L. Hamaker) 612 First National Bank Bldg. Canton 2, Ohio COLUMBIA-SOUTHERN CHEMICAL CORP. (R. W. Miller) One Gateway Center, Pittsburgh 22, Pa. COMEFORO, J. E. (W) Frenchtown Porcelain Co. Frenchtown, N. J. COMMERCIAL DECAL, INC. (Alfred Duhrssen) Box 759 East Liverpool, Ohio COMMERCIALORES, INC. (Albert R. Eckel) Clover, S. C. COMMONS, Charles H., Jr. (WFI) Forest Lane, R. R. 2, Malvern, Pa. (Foote Mineral Co.) COMPAGNUCCI, Julius P. (W) Bay Ridge Specialty Co., Inc. 'fces Ave., Trenton 10, N. J. ANHIA PAULISTA MINERACAO (Eduardo C. Simonsen) Rua Boa Vista 84-7" Andar Sao Paulo, Brazil 10 Roster CONARD, John B. (S) 600 Hawthorne Lane, Mansfield, Ohio (Richland Shale Brick Co.) CONDON, Edward U. (G) 2938 Avalon Ave., Berkeley 5, Calif. (Consulting Physicist) 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) CONNELL, George A. (B) Pacific Coast Borax Co., Box 9128 Station S, Los Angeles 5, Calif. CONNELLY, Daniel S. (R) 2801 N. Park Blvd. Cleveland Heights 18, Ohio (Tocco Div., Ohio Crankshaft Co.) CONOVER, Ray C. (RI) Gladding, McBean & Co. 1006 Alcalde Way, Glendale 7, Calif. CONRAD, Charles E., Jr. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. CONRAD, Keith (G) Owens-Illinois 1700 N. Westwood, Toledo 1, Ohio CONROE, Barden A. (G) 93 Gorton St., Corning, N. Y. (Coming Glass Works) CONSOLIDATED GLASS WORKS, LTD. (I. Donen) Box 562 Germiston, Transvaal, South Africa CONSUMERS GLASS CO., LTD. (John N. Jordan) Box 456, Station B Montreal, Que., Canada CONTARDI, William A. (WI) 206 Highland Ave., Metuchen, N J. (Automatic Mfg. Co.) CONWAY, Myron J. 943 Orchard St., Zanesville, Ohio 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-Wamer Corp.) COOK, Leslie J. (M) 1621 Reliez Valley Rd. Lafayette, Calif. (Leslie Cook Laboratories) COOK, Ralph L. (EFI) 204 Ceramics Bldg. University of Illinois, Urbana, 111. COOKE, Charles C. (G) 2858 S. 109th St., Toledo 11, Ohio (Owens-Illinois) COOKE, David C. (WI) 25 Chestnut St., Haddonfield, N. J. (Universal-Rundle Corp.) COOKE, Robert S. (E) Industrial Centre # 5 Quebec, Que., Canada (Crane Steelware, Ltd.) COOKE, William C. (G) Blue Ridge Glass Corp. Kingsport, Tenn. COOMBS, W. M. (G) Owens-Illinois Bridgeton Plant No. 14, Bridgeton, N. J. COOPER, Alfred R. (G) 13 Old Flintlock Rd., Bloomfield, Conn. (Hartford Empire Co.) COOPER, George I. (W) 401-Mackley Apts., Philadelphia 24, Pa. (Signal Corps Supply Agency) COOPER, Joseph Knoxville, Tioga County, Pa. COOPER, Walter W. (M) Dow Chemical Co. Inorganic Chemicals Sales Midland, Mich. COOPER, William G. (W) Box 204, Strongsville, Ohio (Ferro Corp.) COORS PORCELAIN CO. (H. W. Ryland) 600 Ninth St. Golden, Colo. COPE, William E. (M) Barclay Machine, Inc. Box 146, Sebring, Ohio CORBAN, Wilbur H. (W) 3198 Dresden Rd., Zanesville r>v <Ceramic Supply Co.) ' "l0 CORBETT, Keith T. (E) 202 Blanchard PI., Donelson T (Ferro Corp.) ' ent1, CORBMAN, Morviss (S) New Jersey Shale Brick & xile r Box 249, Somerville, N. J U)rP- CORDES, John E. (WI) 5333 Humboldt Ave., S. Minneapolis 19, Minn. (Lithium Corp. of America Wt CORHART REFRACTORIES CO tv,. (Frederick S. Thompson) '' 1600 W. Lee St., Louisville 10 v,, CORNING GLASS WORKS ' y' (Howard R. Lillie) Corning N V CORNISH, Frank L. (G) Coming Glass Works, Charleroi P Cornwell, George l. (B) ' 171 Eiseman, Kenmore 17 N Y (Exolon Co.) '' CORSON, Robert (GJ) 203 E. Valley St., Endicott, N Y CORWIN, Rudolph E. (W) Applied Physics Laboratory University of Washington 1013 E. 40th St., Seattle 5, Wash COTTON, Nigel Elijah Cotton Ltd. Nelson Pottery, Hanley Stoke-on-Trent, Stafford, England COUCH, Albert H. (RFI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio COUGHANOUR, L. W. (B) 4094 Ben Lomond Dr., Palo' Alto, Calif (General Electric Microwave Lab) COUNTS, William E. (B) 1649 Euclid Ave., Flint, Mich. (A. C. Spark Plug Div. General Motors Corp.) COURI, Richard A. (G) Box 109, South Woodstock, Conn. (American Optical Co.) COURT, G. R. (EJ) 743 S. Osborn Ave., Kankakee, 111. (A. O. Smith Corp.) COURTER, R. F. (M) Globar Div., Carborundum Co. Niagara Falls, N. Y. COURTNEY, Scott J. (M) B. F. Drakenfeld & Co. 45-47 Park Pl,, New York 7, N. Y. COUTANT, Edward R. (G) General Electric Co., 1285 Boston Ave. Bridgeport 2, Conn. COVAN, H. E. (S) R. R. 3, Box 10, Bryan, Texas COWAN, J. G. "Roselands," Billington Haughton, Staff, England (Universal Grinding Wheel Co.) COWAN, R. Guy (DF) 416 Brooklea Dr., Fayetteville, N. YV (Onondaga Pottery Co.) COWAN, Robert E. Westinghouse Atomic Power Div. Box 1468, Pittsburgh 30, Pa. COWELL, J. Robert, Jr. (G) Woodville Lime Products Co. 2140 Jefferson Ave., Toledo 2, Ohio COWLES, Robert J. (W) Quality Components, Inc. St. Marys, Pa. COWLES, Roderick J. (R) Lebanon Steel Foundry, Lebanon, Pa- COWLING, Kenneth W. 79 Norwood Rd. Sheffield 5, England (Thos. Marshall & Co., Ltd.) COX, Edwin H. (E) 20111 Wickfield Ave. Cleveland 22, Ohio (Ferro Corp.) Ceramic Bulletin rO*. John o. Hon pittsbu: roS. Paul : C 520 N. (Louisi. 0%, Samu ^ Pittsbui Researc rOX, Shaui C J. A. J Wear C Sunderl /-OX, John u 1689 V "Wilma (Frigid; CRAFJ, R. Findlay Washin; cRAIG, Bn 4520 N. (A. O. CRAIG, Da Pittsbur One Gat CRAIG, Jan Canadia Canada Montrea CRAIG, Job 1870 a (Vitro I CRAIN, Ha Port Mt (Genera CRAMER, I Industri; 965 W. CRANDALI 258 Gult (Mullite CRANDALL 4514 Ch- a (Nation*. CRANDALL Box 707 (O.N.R. CRANDON, Americai 9 W. Pa CRANE CO 5 (W. M. 33rd and Chattano- CRAVEN, H Davison Div. of I Lake Ch: CRAWFORE 221 Sum (Univers. CRAWFORD Research Universit Edmontoi CRAWFORD Johns-Ma 22 E. 40t CRAWFORD Hawthorr St. Louis CRESON, W Babcock > 1220 Nat Cleveland CRESS, Willi Carolina R.R. 3, C CRESSY, Mo Hartford333 Horn* CRIDER, Pat 1993 But) (United 5 S. A. CRIST/ (Francisci Montevide Vol. 34, Nc .< John -E. (E) t . Q. Hommel Co., 209-13 Fourth Ave. I Pittsburgh 30, Pa. v Paul E. (SF) y 520 N, Tenth St., Baton Rouge 2, La. (Louisiana Geological Survey) v Samuel F. (G) /Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. Shaun M. J. A. Jobling & Co., Ltd. VVear Glass Works Sunderland, Durham, England -y, John Joel (E) 1 1689 Victoria Park Ave. "Wilmar Heights P. O.," Ont., Canada (Frigidaire Products of Canada Ltd.) cAFT, R. S. (R) 1 pindlay Clay Products Co. Washington, Pa. AlG, Bruce G. (E) " 4520 N. 148th, Milwaukee, Wise. (A. O. Smith Corp.) vAlG, David M,, Jr. (G) ^Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. rAIG, James W. (RF) Canadian Refractories, Ltd. Canada Cement Bldg. Montreal 2, Que., Canada oAIG, John D., Jr. (W) 1870 Chessland St., Pittsburgh 5, Pa. (Vitro Manufacturing Co.) fltAIN, Harold H., Jr. (RJ) Port Matilda, Pa. (General Refractories Co.) jAMER, W. E. (WFI) I Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio SANDALL, Eugene R. (RI) 258 Gulf St., Milford, Conn. (Mullite Refractories Co.) , -RANDALL, James R. (El) 4514 Chestnut St., Bethesda 14, Md. I (National Bureau of Standards) iANDALL, William B. (RI) Box 707, Alfred, N. Y. (O.N.R. Research Project) * SANDON, A. Si (G) American Window Glass Co. 9 W. Park Way, Pittsburgh 12, Pa. CRANE CO., CHATTANOOGA DIV. (W. M. Hamilton) 33rd and Alton Park Blvd. Chattanooga 1, Tenn. CRAVEN, Henry E. (G) Davison Chemical Co. Div. of W. R. Grace & Co., Box 324 Lake Charles, La. CRAWFORD, George E. (WFI) 221 Sumner Ave., New Castle, Pa. R(UenseivaercrshaCl-RouncdilleoCf oArlpb.e) rta CRUAnWivFeOrRsDity, Goef oArglebeSrt.a (M) Edmonton, Alta., Canada CRAWFORD, J. C., Jr. (R) Johns-Manville Sales Corp. 22 E. 40th St., New York 16, N. Y. ttAWFORD, J. L. (RFI) Hawthorne Apts., 4475 W. Pine Blvd. St. Louis 8, Mo. ESON, Walter F. (R) Babcock & Wilcox Co. 1220 National City Bank Bldg. Cleveland 14, Ohio ^ESS, William C. (RI) Carolina Ceramics, Inc. n, H.R. 3, Columbia, S. C. 'RESSY, Morton (G) Hartford-Empire Co. i 333 Homestead Ave., Hartford 2, Conn (IER, Paul H. (E) 3993 Butler Dr., Turtle Creek, Pa. . (United States Steel Corp.) CRISTALERIAS DEL URUGUAY (Francisco J. Gercar) Comercio 1491 Montevideo, Uruguay 34, No. 10 (1955) CROCKETT, William E. (X) 1215 N. Arlington Ave. Indianapolis, Ind. (Sales Engineer) CRONIN CHINA CO. Minerva, Ohio CRONIN, Leo J. (R) 56 MacArthur Rd., Natick, Mass. (Raytheon Mfg. Co.) CRONINGER, George J. (M) A. J. Wahl, Inc., 8 Central Ave. Brocton, N. Y. CRONK, Arthur H. (E) Rosiclare Lead & Fluorspar Mining Co. Box 76, Rosiclare, 111. CRONN, Eduard Steingutfabrik Schwarzwald, G.M.B.H. Homberg (Schwarzwaldbahn), Germany CROOK, Charles Edmund (W) Los Angeles Chemical Co. 1960 Santa Fe Ave. Los Angeles 21, Calif. CROOKSTON, James A. (RI) 1224 E. Jackson St., Mexico, Mo. (Harbison-Walker Refractories Co.) CROOKSVILLE CHINA CO. (Harry J. Bennett) Crooksville, Ohio CROOM, Henry C. (I) 697 College St., Macon, Ga. CROSBY, Donald P. (RI) Harbison-Walker Refractories Co. Fulton, Mo. CROSKEY, Carl D. (W) 5405 Old Frederick Rd. Baltimore 29, Md. (Locke Dept., General Electric Co.) CROSS, A. H. B. Brown-Firth Research Lab. Princess St., Sheffield 4, York, England CROSSAN, W. A. (S) Metropolitan Brick, Inc. 1017 Renkert Bldg., Canton 2, Ohio CROSSLEY MACHINE CO. (William J. Harris) 301 Monmouth St. Trenton 9, N. J. CROWE, Samuel H., Jr. (G) 416 Mississippi Ave., Crystal City, Mo. (Pittsburgh Plate Glass Co.) CROWELL, Robert W. (G) Kimble Glass Co., 711 Southwood Ave. Columbus 7, Ohio CROWLEY, Henry L. (B) 1 Central Ave., West Orange, N. J. (Henry L. Crowley & Co., Inc.) CROWLEY, Michael S. (RJI) 244 Allegheny, Park Forest, 111. (Standard Oil Co.--Indiana) CRUIKSHANK, C. L. (M) Great Lakes Foundry Sand Co. 720 United Artists Bldg. Detroit 26, Mich. CUMMINGS, J. M. (M) British Columbia Cement' Co., Ltd. B. C. Cement Bldg. Victoria, B. C-, Canada CUMMINS, Arthur B. (B) Morning Glory Rd., Bound Brook, N. J. (Johns-Manville Corp.) CUMMINS, Robert K. (G) General Electric Co., 1133 E. 152nd St. Cleveland 10, Ohio CUNLIFFE, J. A. (S) 266 Seventh St. Medicine Hat, Alta., Canada (Medicine Hat Brick & Tile Co., Ltd.) CUNNINGHAM, James A. (S) Adams Clay Products Co., Box 226 Martinsville, Ind. CUNNINGHAM, Robert J. (G) 56 W. Channel St., Newark, Ohio (Owens-Coming Fiberglas Corp.) CURCIO, Anthony L. (WI) 21 Church St., Bound- Brook, N. J. (Automatic Mfg. Corp.) CURRAN, EDWARD ENGINEERING, LTD. (D. Ryan) Cardiff, Wales CURRAN, Martin T. Box 562, Alfred, N. Y. CURRAN, Robert (RI) 75-08 35th Ave. Jackson Heights 72, N. Y. (Plibrico Co.) CURRIE, Thomas E. (S) 331 W. College Ave., State College, Pa. (Pennsylvania State University) CURRY, William J., Jr. (R) Hiram Swank's Sons, Box 630 Johnstown, Pa. CURTIS, Carl E. (RI) 404 W. Vanderbilt Dr. Oak Ridge, Tenn. (Carbide & Carbon Chemical Corp.) CURTIS, William H., Jr. 1524 E. 33rd St., Baltimore 18, Md. CURTS, R. M. (G) American Potash & Chemical Corp. 99 Park Ave., New York, N. Y. CUTHILL, John R. (E) Enameled Metals Section National Bureau of Standards Washington 25, D. C. CUTLER, Ivan B. (B) 220 Mines Bldg., University of Utah Salt Lake City 12, Utah CZARNECKI, Kamil B. 75 Queen's Gate London, S. W. 7, England (Aglite, Ltd.) CZECHOSLOVAK CERAMIC AND GLASS SOCIETY (R. Barta) Technicka ul.c.5 Praha XIX, Czechoslovakia D D'ADRIAN, Vincent L. D. (G) Mississippi Valley Research Lab., Inc. 901 S. 18th St., St. Louis 3, Mo. DAGER, Probert W. (MFI) 5628 Greenbush, Van Nuys, Calif. (H. C. Spinks Clay Co.) DALE, Alfred J. Johnson Bros. (Hanley) Ltd. Stoke-on-Trent, England DALEY, Frank E. (M) Godfrey L. Cabot, Inc. 39 Glen Dr., Yardley, Pa. DALTON, Robert H. (G) 234 Delevan Ave., Coming, N. Y. (Coming Glass Works) DAMERELL, Marguerite (W) Exton, Pa. (Damerell Mfg. Co.) DANIELSON, R. R. (EFI) Metal & Thermit Corp., Carteret, N. J. DANK, Milton (G) Owens-Illinois, General Research Div. Toledo 1, Ohio DANKS, William H. (G) 216 Mississippi Ave., Crystal City, Mo. (Pittsburgh Plate Glass Co.) DARBY, George M. (M) 61 Washington Ave., Westport, Conn. (Dorr-Oliver, Inc.) DARLING, D. G. (S) Toronto Brick Co., Ltd. 425 Bayview Ave. Toronto 17, Ont., Canada DARNELL, Harmon C. (S) Murray Tile Co., Inc., Cloverport, Ky. DARRAH, W. A. (R) 901 N. Oak Park Blvd., Oak Park, 111. (Continental Industrial Engineers, Inc.) DAS GUPTA, A. K. (W) Allen-Bradley Co., Milwaukee 4, Wise. DAUMKE, Arthur H. (W) 4451 N. California Ave. Chicago 25, 111. (Harshaw Chemical Co.) DAUWALTER, A. C. (S) W. S. Dickey Clay Mfg. Co. 607 Commerce Trust Bldg. Kansas City 6, Mo. Roster 11 ti ' ' i !t - i- ; ; ' 'V ; i ii t .i : - [!:! : !II '- ;i i' t! II .:.:i i. i j i i i DAVEY, Earl R. (W) Canadian Ohio Brass Co., Ltd. Niagara Fails, Ont., Canada DAVEY, Frederick K. (B) 20 Seminary Ave., Lutherville, Md. (Fritz Instrument Div., Bendix Aviation Corp.) 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, Thomas H. (G) Mellon Institute, 4400 Filth Ave. Pittsburgh 13, Pa. DAVIS, Earl K. (G) Bausch & Lomb Optical Co. Rochester, N. Y. DAVIS FIRE 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, James K. (G) 211 Walnut St., Elmira, N. Y. (Corning Glass Works) DAVIS, N. B. (M) Canadian Flint & Spar Co., Ltd. Room 512, 140 Wellington St. Ottawa, Ont., Canada DAVIS, Sam H,, Jr. (W) 808 N. Howard, Robinson, 111. (W. A. Case & Son Mfg. Co.) DAY, Arthur L. (Honorary, G) 9113 Old Georgetown Rd. Bethesda 14, Md. DAY, Charles M. (R) Valley Dolomite Corp. Room 902, 915 Olive St. St. Louis 1, Mo. JAY, Frank, Jr. (G) Corning Glass Works, Corning, N. Y. DAY, Jack F. (MI) 835 Forest Ave., Zanesville, Ohio DAY, Loren L. (GJ) 10071/1 Victoria, New Kensington, Pa. (Pittsburgh Plate Glass Co.) DAY, Ralph K. (GFI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio DAY, Robert B. (SI) 314 East St., Morris, 111. (Morris Clay Products Co.) DEADERICK, James W. (B) 1011 Norvell Dr. Signal Mountain, Tenn. (American Lava Corp.) DEADWYLER, Earnest W. (I) 2599 Glentnawr Ave., Columbus 2, Ohio DEAR, Paul S. (BFI) Virginia Polytechnic Institute Box 205, Blacksburg, Va. DE BECK, Hubert O. (M) 5105 Belmont, Apt. 3, Houston 5, Texas (Baroid Div., National Lead Co.) DEBENHAM, W. S. (RFI) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. DECKER, Alfred R. (W) 811 N. Seventh St., Cambridge, Ohio (Champion Spark Plug Co.) DECKER, Edgar A. (X) G. S. Robins & Co. 126 Chouteau, St. Louis 2, Mo. DECKER, Edward L. (E) , Summer St., Williamstown, Mass. (Pemco Corp.) -UEETH, H. R. (M) American Nepheline Ltd. Lakefield, Ont., Canada 12 Roster DEIGNAN, Charles J. (SI) 120 N. Everett Ave., Columbus, Ohio (Claycraft Co.) de LEEUW, Peter Eisenberg & Co., Inc. Central Post Office Box 323 Tokyo, Japan 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) DEMAISON, R. J. (R) Quigley Co., Inc., 527 Fifth Ave. New York 17, N. Y. DeMARIA, Vincent C. (G) 1468 Wms. Bridge Rd., Bronx 61, N. Y. (Sylvania Electric Products, Inc.) DEMUTH GLASS WORKS, INC. (George F. Young) Box 629 Parkersburg, W. Va. DENEEN, W. F. (M) North Carolina Feldspar Corp. Erwin, Tenn. DENERO, John V. (RJ) 125 W. Market St., Alliance, Ohio (Babcock & Wilcox Research Center) DENISON ENGINEERING CO., THE (W. C. Denison) 1160 Dublin Rd. Columbus 16, Ohio DENISON, George W. (SF) Ohio Clay Co., Box 1776 Cleveland 5, Ohio DENISON, John C., Jr. (G) John C. Denison & Son Co., Box 63 Rochester, Pa. DENISON, Norman E. (S) Ohio Clay Co., Box 1776 Cleveland 5, Ohio DENISON, W. C. (M) The Denison Engineering Co. 1160 Dublin Rd., Columbus 16, Ohio DENMAN, Cedric E. (S) Great Bend Brick & Tile Co., Inc. Box 53, Great Bend, Kans. dePROSSE, Victor A. (El) 17476 Shaw Ave., Lakewood 7, Ohio (Ferro Corp.) DeREMER, John W. (RI) 501 Arizona Dr., New Kensington, Pa. (American Window Glass Co.) DERGE, Gerhard (X) Carnegie Institute of Technology Pittsburgh 13, Pa. DERINGER, W. A. (EFI) A. O. Smith Corp. 3533 N. 27th St., Milwaukee 1, Wise. deROUX, Juan Ramon (I) Box 1486, Panama, Rep. of Panama (Clay Products Co., Inc.) DERR, Robert H. (W) Certain-Teed Products Corp. 204 Park PI., Pittsburgh 9, Pa. DER SARKISSIAN, Michael Alfred University, Alfred, N. Y. DESAIX, Herbert A. (SI) 122 Jefferson Park Dr. Huntington, W. Va. (Barboursville Clay Mfg. Co.) DESENNE, Claude M. (S) Cote de l'Eglise Boischatel, Co.' Montmorency, Que., Canada (Citadel Brick Ltd.) DESJARDINS, Gregory T. (R) Foster, Ky. .(Wheatstone Corp.) DETAMORE, Walter A. (S) Barium Reduction Corp. South Charleston 3, W. Va. DEURVORST, F. B. M. Het Zonnehuis, Terborg, Holland (Koninklijke Fabrieken Diepenbrock & Reigers N. V.) DEUTSCHE GLASTECHNISCHE GESELLSCHAFT (H. Maurach) Untermainkai 12 Frankfurt A. M., Germany DEUTSCHE KERAMISCHE GESELLSCHAFT (Mr. Knan Poppelsdorferallee 15 ' Bonn, Germany DEUTSCHER, Jerome S. (SI) 415 West Buist, Phoenix, Ari, (Phoenix Brick Yard) DeVILBISS CO. (E. F. Frey) Toledo 1, Ohio de VILLE, Ralph W. (I) Harvard University Graduate School of Business Soldiers Field, Boston 63 M,.. DEVLIN, James F. (I) ass- 219 E. University Pky. Baltimore 18, Md. DeVOE, Charles F. (G) 38 W. Fourth St., Coming, N v (Coming Glass Works) ' *' DeVRIES, Robert C. (B) 2012 Hudson St., Schenectadv N v (General Electric Co.) ' ' Y- DEWEY, B. F. (W) 42 Summit St., LeRoy, N. Y (Lapp Insulator Co.) de WYS, E. Christiaan Ohio State University Lord Hall, Columbus 10 Ohio DEXHEIMER, E. C. (E) 917 Country Club Drive St. Louis 21, Mo. DEYO, R. Daniel (R) 104 Dogwood, Park Forest, 111. (United States Steel Corp) DIAMOND ALKALI CO. (L. T. Welshans) Cement-Coke Div 300 Union Commerce Bldg. Cleveland 14, Ohio DIAMOND, Grant S. (RFI) Electro Refractories & Abrasives Corp 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) Fabrica Nacional de Loza de Penco S. A Box 13, Penco, Chile DICK, Clarence H. (G) 1013 Gordon St., Natrona Heights, Pa. (Pittsburgh Plate Glass Co.) 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) Windy Knoll, Brookville, Pa. (Hanley Co.) DIENER, Leonard W. (S) Diener Brick Co., Cuthbert & Park Ave. Collingswood, N. J. DIETERT, Harry W. (R) Harry W. Dietert Co., Ingram, Texas DIETRICH, Waldemar F. (B) 2714 P St., N. W.. Washington 7, D. C. (U. S. Bureau of Mines) DIETTERLE, Edwin W. (WI) 3834 Monteith Dr. Los Angeles 43, Calif. (Ferro Corp.) DIETZEL, Adolf Max-Planck-Institut fur Silikatforschung, Wurzburg, Germany Neunerplatz 2 DILLARD, William F,, Jr. (S) 2125 E. Side Court, Auguste, W. (Merry Bros. Brick & Tile Co.) DILLENDER, Richard D., Jr. (W) 8 Sunnybrook Trail Signal Mountain, Tenn. (American Lava Corp.) Ceramic BuU-ETIir (Anchor 1 UJNGHa: P* 2207 Che; (Coors P> ^UON, C. P Latchford Box 7170 nllT-ON, Zab Pl 16 Lakes! (Atlantic iNgledin: v National 1 330 Went Hamilton, 0jNGLER, E. v Box 363, (Carborun njNGWALL, v 588 Grove (Consultin nlNGWALL, v 588 Grove (R C A I 0IPPELL, L. 17 Second (Sterling plRKSEN.A American 99 Park A plSTILLATO Jackson V 2 West St pxthridge. 60 Bedfor Port Hope (Port Hop DIXON, Anna 815 N. Fo DIXON, Gene Kyanite M DIXON, JOS (W. R. W Jersey Cit; dlugozima, R. R. 19, : East Liver (Patterson DODD, Charle Dept, of CIowa State DODGE, Alfre Hazel-AtlaZanesville, DODSON, W. A. P. Gret 900 E. 72n DOLAN, Lawr 7810 Porte DOLL, Charles Mount Clei Mount Cle: DOLPH, James 510 Eighth Beaver Fal (Ingram-Ri DOMINION i RTVERTO INC. (V. Piney Rive DONAHEY, J< Box 191, P (Foote Mir DONEN, I. Consolidate^ Box 562, G Transvaal, dONEY, Louis Mackin Lai Knoxville, (Oak Ridge D0NLEY, Johi Ohio State Engineering Columbus 1 "onnenwir- Carborundu V. 34, No. -rf/LIARD, Paul D. (GI) ", 1313 E, Wheeling St., Lancaster, Ohio (Anchor Hocking Glass Corp.) tLXNGHAM, Robert P. (W) " 2207 Cheyenne St., Golden, Colo. (Coors Porcelain Co.) nlLLON, C. L. (G) v Latchford Marble Glass Co. (Box 71707, Los Angeles 1, Calif. .AON, Zale (W) v 16 Lakeside Dr., Matawan, N. J. (Atlantic Tile Mfg. Co.) -jUGLEDINE, H. F. (S) v National Sewer Pipe Ltd. 330 Wentworth St., N. : Hamilton, Ont., Canada njNGLER, Edward L., Jr. (R) Box 363, Birmingham, Mich. (Carborundum Co.) plMGWALL, Andrew (G) 588 Grove St., Upper Montclair, N. J. (Consulting Scientist) mNGWALL, Andrew G. F. (G) 588 Grove St., Upper Montclair, N. J. (RCA Victor) njpPELL, L. V. (R) 17 Second Ave., Tiffin 9, Ohio (Sterling Grinding Wheel Co.) plRKSEN,.A. J. (G) American Potash & Chemical Corp. 99 Park Ave., New York 16, N. Y. : plSTILLATOR, Philip R. (W) Jackson Vitrified China Co. 2 West St., Pelham Manor 65, N. Y. plTHRIDGE, Edward H. (E) 60 Bedford St. Port Hope, Ont., Canada (Port Hope Sanitary Mfg. Co., Ltd.) DIXON, Anna Lane (D) 815 N. Fourth St., Burlington, la. : DIXON, Gene (R) Kyanite Mining Corp., Cullen, Va. DIXON, JOSEPH, CRUCIBLE CO. (W. R. Wyckoff) 167 Wayne St. 3 Jersey City 3, N. J. \UGOZIMA, W. R. (WI) j R. R. 19, South View Dr. East Liverpool, Ohio j (Patterson Foundry & Machine Co.) ^ DODD, Charles M. (SFI) Dept, of Ceramic Engineering j Iowa State College, Ames, la. 1 DODGE, Alfred W. (G) : Hazel-Atlas Glass Co., 126 Market St. Zanesville, Ohio 1 DODSON, W. E. (R) i A. P. Green Fire Brick Co. of Ohio 900 E. 72nd St., Cleveland 3, Ohio DOLAN, Lawrence J. (I) 7810 Porter Rd., Niagara Falls, N. Y. i DOLL, Charles E. (W) Mount Clemens Pottery Co. ' Mount Clemens, Mich. D0LPH, James L. (E) 510 Eighth Ave., Patterson Hts. Beaver Falls, Pa. (Ingram-Richardson Mfg. Co.) JDOMINION MINERALS DIV., RIVERTON LIME & STONE CO., i INC. (V. V. Kelsey) Piney River, Va. : H0NAHEY, John W. (GI) > Box 191, Paoli, Pa. (Foote Mineral Co.) j "ONEN, I. Consolidated Glass Works Ltd. : Box 562, Germiston o Transvaal, South Africa : "0NEY, Louis M. (G) Mackin Lane, R. R. 17 Knoxville, Tenn. * (Oak Ridge National Lab.) ' ^NLEY, John C. Ohio State University Engineering Experiment Station Columbus 10, Ohio "ONNENWIRTH, A. L. (RI) Carborundum Co., Falconer, N. Y. rL. 34, No. 10 (1955) DORA, Joseph C. (El) 3246 West 62nd PL, Chicago, 111. (Crane Co.) DORAN, Robert F. (GI) Sylvania Electric Products, Inc. Cottage PL, Mineola, N. Y. DORF, Arthur L. 331 W. College Ave., State College, Pa. DORN, Alvah J. (G) 141 Wall St., Corning, N. Y. (Corning Glass Works) DORN, G. Neal (SI) 1015 Kemp Ave., Ironton, Ohio (Carlyle Tile Co.) DORSETT, O. A. (W) Knox Porcelain Corp., Knoxville, Tenn. DORSEY, Baird L. (R) 300 Walnut Rd., Pittsburgh 2, Pa. (Jones & Laugblin Steel Corp.) DORSEY, John J. (WI) P. R. Mallory & Co., Inc. 3029 E. Washington St. Indianapolis 6, Ind. DOTY, Henry S. (R) Commercialofes Inc. . 39 Cortlandt 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. (E) 104 Gainsborough, Apt. 2B Boston, Mass. (Bettinger Corp.) DOUGLAS, Richmond Douglas Firebrick Co., Ltd. Dairy, Ayrshire, Scotland DOUGLAS, R. W. Society of Glass Technology "Thornton," Haliam Gate Rd. Sheffield 10, England DOWLING, Robert F. (G) American Optical Co. Southbridge, Mass. DOWNING, G. N. Pilkington's Tiles (SA.) (Pty.) Ltd. Box 70, Meyerton Transvaal, South Africa DRAKE, Arthur D. (S) Claycraft Co., Box 866 Columbus 16, Ohio DRAKE, M. Ellis (D) Alfred University, Alfred, N. Y. DRAKENFELD, B. F. & CO. (Scott J. Courtney) 45--47 Park PL New York 7, N. Y. DRAKER, Harry C. (M) 24230 Maplewood Dr., Euclid 17, Ohio (Harshaw Chemical Co.) DRAMMENS GLASSVERK (Ragnar Tanberg) Drammen, Norway DRAPER, Perry E. (W) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio DRESSLER, Philip (MFI)' Swindell-Dressler Corp., Box 1888 Pittsburgh 30, Pa. DREYLING, Lewis J. (R) 229 Milltown Rd., Milltown, N. J. (Quigley Co., Inc.) DROUHARD, W. J. (WI) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio DRUCKER, Julius Farbenfabriken Bayer Aktiengesellschaft Krefeld-Uerdingen, (22a) Deutschland DRUMMOND, W. W. (G) 5504 Midmoor, Madison 4, Wise. (Bjorksten Research Laboratories) DuBOIS, Harold V. (W) 4147 159th, Lawndale, Calif. (Vernon Kilns) DuBOIS, H. B. (MFI) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Erwin, Tenn. DUCHE, Frederic Compagnie Generate d'Electro-Ceratnique 12 rue de la Baume, Paris 8, France DUCKWORTH, Winston (BI) 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 DUE, Herbert J. (W) 11 Scoles Ave., Clifton, N. J. (St. Joseph Lead Co.) DUEVEL, Charles O., Jr. (G) American Thermos Bottle Co. Norwich, Conn. DUEY, Robert K. (S) Southern Lightweight Aggregate Corp. Box 205, Richmond 1, Va. DUFF, R. D. (G) 4318 Commonwealth, Toledo, Ohio (Owens-Illinois) DUFFY, J. P. (S) Stillwater Clay Products Co. Lock Drawer 32, Uhrichsville, Ohio DUFOUR, Jean Leonard Ceramica Sanitaria Porcelite S. A. Caixa Postal 2818, Sao Paulo, Brazil DU FRESNE, Robert S. (R) 3125 Fairmount, La Crescenta, Calif. (Gladding, McBean & Co.) DUGAN, Robert T. Box 1844, Midland, Texas DUGAN, Stayner A. (S) Box 1844, Midland, Texas (Dugan Brothers) DUGGAN, J. J. (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. DUHRSSEN, Alfred (D) Commercial Decal, Inc. Box 759, East Liverpool, Ohio DUKE, John J. (W) Box 33, Saxonburg, Pa. (Du-Co Ceramics Co.) DULBERG, Irving (R) 254 N. Allegheny St., Bellefonte, Pa. (J. H. France Refractories Co.) DULIN, Francis H. 7728 Westmoreland Dr., Sarasota, Fla. DUNBECK, Norman J. (R) International Minerals & Chemical Corp. 20 N. Wacker Dr., Chicago 6, 111. DUNCAN, Beverly W. (B) Alloy Precision Castings Co. E. 45th St. & Hamilton Ave. Cleveland 12, Ohio DUNCAN, J. Earle (G) Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. DUNCAN, Russell F. (E) 209 Franklin Dr., Berea, Ohio (Ferro Corp.) DUNCOMBE, George H., Jr. (SF) 150 E. Frambes Ave., Columbus 1, Ohio (Evans Brick Co.) DUNGAN, Robert H. (B) Box 261, Hopkins, Minn. DUNN, H, E. (B) Suite 206, 300 Mt. Lebanon Blvd. Pittsburgh 34, Pa. (Vanadium Corp. of America) DUNN, Peter E. (G) Rauland Corp., 4245 N. Knox Ave. Chicago 41, 111. DUNNICAN, Ward G. (G) 277 E. Seventh St., Clifton, N. J. (Becton, Dickinson & Co.) DUPLIN, V. J., Jr. (BF) 300 North Ave., Fanwood, N. J. (Babcock & Wilcox Co.) du PONT, E. I., de NEMOURS & CO., INC. (John M. Olsen) Electrochemicals Dept. Wilmington 98, Del. Roster 13 0URHAM, Carl T. (E) 21S6AEastern ,Pky. Schenectady, N. Y. (General Electric Co.) ptfRST, William A. (X) 209 Madison St., St. Marys, Pa. (Stackpole Carbon Co.) (JSZA, Joseph T. (R) ! Harbison-Walker Refractories Co. 4343 Kennedy Ave., East Chicago, Ind. pUWEZ, Pol (B) California Inst, of Technology Pasadena, Calif. pyNES, Marvin W. (G) Van Dyne Quartz Works Box 380, R. R. 1, St. Charles, III. pYRE, Warren T. (E) 317 Estaugh Ave., Haddonfield, N. J. (Universal-Rundle Corp.) E EAGLE, J. Eugene (MFI) 3202 McShane Way, Baltimore 22, Md. (Pemco Corp.) gAGLE-PICHER CO. (D. R. Carter) American Bldg., Cincinnati 1, Ohio gARHART, William H. (G) RCA Victor, Engineering Dept. S. Adams St., Marion, Ind. EARL, Fred C. Box 84, Broadalbin, N. Y. EARL, J. Alfred (W) 1621 S. El Molino St., Alhambra, Calif. (W. G. Johnson Tile Co.) EASTER, George J. (RFI) Electro Refractories & Abrasives Corp Willett Rd., Buffalo 19, N. Y. EBERSOLE, Robert A. (R) Chisholm, Boyd & White Co. 610 W. 57th St., Chicago 21, 111. ECKEL, Albert R. (R) Commercialores, Inc., Clover, S. C ECKEL, Harold A. Trinidad Clay Products, Ltd. , 44, South Quay, Port of Spain ! Trinidad, B. W. I. .aJCLEY, J. R. (R) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. ECONOMOS, George (W) 394 Riverway, Suite 9, Boston 15, Mass. (Massachusetts Institute of Technology) EDGAR, Allen C. (M) Edgar Plastic Kaolin Co., Edgar, Fla. EDGAR, Clement B. (R) M. H. Detrick Co., 1620 Oliver Bldg. Pittsburgh 22, Pa. EDGAR PLASTIC KAOLIN CO. (Allen C. Edgar) Edgar, Fla. EDLIN, Vernon (B) 6712 Chappel Ave., Chicago 49, 111. (Armour Research Foundation) EDWARDS, F. M. (W) Porcelain Products, Inc., Carey, Ohio EDWARDS, J. B. (S) Reliance Clay Products, Box 13226 Dallas 20, Texas EDWARDS, William R. (WI) 11926 S. Saginaw Rd. Grand Blanc, Mich. (AC Spark Plug Div., General Motors Corp.) EELLS, H. P., Jr. (R) Basic Refractories, Inc. 845 Hanna Bldg., Cleveland 15, Ohio EGERTON, Lawson (B) Bell Telephone Labs., Inc. Murray Hill, N. J. EHLERS, G. Milton (W) Aerovox Corp., 742 Belleville Ave. New Bedford, Mass. EHMAN, Roy G. (GI) I. 500 S. Allen St., State College, Pa. (Pennsylvania State University) ERLICH, Raphael H. (S) 4039 N. Central Expressway Dallas 4, Texas (Crown Brick Mfg. Co.) V0L. 34, No. 10 (1955) EICHBAUM, Barlane R. 195 Bevier Rd., New Brunswick, N. J. EIDE, Alwin C. (E) American Zinc Sales Co., Box 327 Columbus 16, Ohio EISEN, John B. (R) Box 27, Waterloo, Wise. (Bjorksten Research Labs., Inc.) EISENBERG, Marvin (R) Montaine Corp., 7127 S. Chicago Ave. Chicago 19, 111. 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. EKHOLM, L. G. (RI) United States Steel Corp. 525 William Penn PL, Rm. 3423 Pittsburgh 30, Pa. ELDER, J. C. (WI) Robertson Mfg. Co., Box 848 Trenton 5, N. J. 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 Refractories, Inc.) ELLEFSON, B. S. (G) Sylvania Electric Products, Inc. 1740 Broadway, New York 19, X. Y. ELLIOTT, Amos W. (B) Covered Wagon Ranch Cloverdale, Calif. ELLIOTT, C. Franklin R.R. 3, Box 192, Henderson, N. C. ELLIOTT, George Thomas Lawrence & Sons (Bracknell) Ltd. Molly Millars Lane, Barkham Rd. Wokingham, Berks, England 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. . (Gladding, McBean.& Co.) ELMER, Thomas H. (B) 219 E. High St.', Painted Post, N. Y. (Corning Glass Works) ELOSUA, Bernardo (S) Ladrillera Monterrey, S. A. Box 360, Monterrey, N. L., Mexico ELSTON, Keith (WI) 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 & 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 Charleroi Div., Charleroi, Pa. EMLEY, William S. (R) W. Maitland Lane, R. R. 3 New Castle, Pa. (Shenango China, Inc.) EMMERICH, Liberata (B) Pennsylvania State University Mineral Industries Library University Park, Pa. EMRICH, Allen H. 1799 Franklin Ave., Columbus 5, Ohio EMRICH, Barry R. (I) 398 S. Seventh St., San Jose, Calif. EMRICH, Emerson W. (MI) R. T. Vanderbilt Laboratories East Norwalk, Conn. EMRICH, Harold W. (SI) 1525 Filbert Court, Denver 20, Colo. (Denver Sewer Pipe & Clay Co.) ENBERG, Christer Tegellaboratoriet (Brick Laboratory) Drottning Kristinas vag 45 Stockholm O, Sweden ENGEL, Juan J. R. Casilla Correo 2394 Buenos Aires, Argentina (Metalum S.R.L.) ENGLERT, William J. (G) Manorville, Pa. * (Pittsburgh Plate Glass Co.) ENGLISH CHINA CLAYS SALES CORP. 551 Fifth Ave., New York 17, N. Y. ENHUS, Hans Gosta Aktiebolaget Malardalens Tegelbruk Ericsbergsgatan 27 Stockholm 3, Sweden ENLOE, Scroop W. (M) Dillsboro, N. C. (Harris Clay Co.) ENLOE, Scroop W,, Jr. (M) Harris Clay Co., Spruce Pine, N. C. ENOCH, Charles R. (R) 74-13 Drexcl Brook Dr. Drexel Hill, Pa. (Refractory Specialties Co.) ENOS, W. Kenneth 607 Rutledge Ave., Charleston, S. C. EPSTEIN, Edward, Jr. (R) Laclede-Christy Co. 4705 Ridgewood Ave., St. Louis 16, Mo. ERARD, Edward (G) Vidrio Neutro, S. A. Prolongacion Calle de la Rosa No. 9, Atzcapotzalco, D. F., Mexico ERFE, Carmelo Craftsman Bldg. San Marcelino & Ayala Sts. Manila, Philippines ERICKSON, A. Alfred (G) 84 Pershing St., Coming, N. Y. (Corning Glass Works) ERICKSON, Allen J. (G) 4844 38th Ave., N.E., Seattle 5, Wash. (Northwestern Glass Co.) ERIE RESISTOR CORP. (Bobby L. Joyner) -644 W. 12th St., Erie, Pa. ERNST, Dolly M. (D) . Box 571, R. R. 4, Loveland, Ohio ERNST, Walter S. (M) 2728 E. Fifth Ave., Knoxville, Tenn. (Volunteer Portland Cement Co.) ERSLEY, Chauncey J., Jr. (GJ) 76 Billups Dr., Lawrenceburg, Ind. (Thatcher Glass Mfg. Co.) ERSLEY, Emmett J. 330 Irvine PL, Elmira, N. Y. ERVIN, Guy, Jr. (B) Research Laboratory, Norton Co. Worcester, Mass. ERWIN, Lee R. (E) ' 209 S. Sunset PL, Monrovia, Calif. (Affiliated Gas Equipment, Inc.) ERZEN, Frank C. (E) 731 S. Greenberry Dr. West Covina, Calif. (Bulwark Corp. of America) ESCHENBURG, Robert L,, II Floresville, Texas ESPERSEN, Karen Holmegaards Glasvaerk Holme-Olstrup, Denmark ESSELSTYN, Willard A. (G) c/o American Embassy New Delhi (Mail Room) Department of State Washington 25, D. C. Roster 15' t t; ii I: i I; li ft! t j; i jSTES, Joseph F. (W) . Haeger Potteries, Inc. 7 Maiden Lane, Dundee, 111. rfHEREDGE, Otis K. (M) Box 252, Gordon,- Ga. (Southern Clays, Inc.) gOBANK, William R. (B) iR. 3, Box 57, River Falls, Wise, iinnesota Mining & Mfg. Co.) gORANKS, Alfred G. (E) 10802 Stella Court, Kensington, Md. (National Bureau of Standards) gUSNER, George R. (R) 1025 Summitt St., McKeesport, Pa. (United States Steel Corp.) gVANS CASE CO. (Alfred F. ReUly, Sr.) 21 East St. North Attleboro, Mass. gVANS, Charles E. (M) 2401 Northglen Dr., Columbus 11, Ohio (Titanium Alloy Mfg. Div., , National Lead Co.) gVANS, Daniel Owen (G) ; Hillcrest & Linden Ave., Mapleview Charlerpi, Pa. (Corning Glass Works) gVANS, Edward J. Welsh Tin Plate & Metal Stamping Co. Llanelly, Carmarthenshire, Gr. Britain gVANS LEAD CORP. (R. M. Evans) Box 1467, Charleston 25, W. Va. gVANS PIPE CO. -7 (T. J. Evans, III) '7- Uhrichsville, Ohio gVANS, Richard F. (W) Iroquois China Co. 2320 Milton Ave., Syracuse 9, N. Y. gVANS, R. M. (M) Evans Lead Corp. Box 1467, Charleston 25, W. Va. EVANS, Ross M. (S) 604 E. Mechanic St., Brazil, Ind. (Arketex Ceramic Corp.) EVANS, T. J., Ill (S) Evans Pipe Co., Uhrichsville, Ohio EV | W. Gordon ; L. Ashworth & Bros. Ltd. Broad Street Works Hanley, Stoke-on-Trent, England EVANS, William W. (SI) 506 E. Iron Ave., Dover, Ohio (Robinson Clay Product Co.) EVERHART, J. O. (SFI) Engineering Experiment Station Ohio State University Columbus 10, Ohio EVERSOLE, W. G. (R) Linde Air Products Co. E. Park Dr. & Woodward Ave. Tonawanda, N. Y. EWALD, Merwin R. (M) Box 19A, R. R. 1, Monclova, Ohio (Surface Combustion Corp.) EWING, Robert F. (WI) Mansfield Sanitary Pottery Perrysville, Ohio SXOLON CO. (Harvey J. Robillard) 1000 E. Niagara St., Tonawanda, N. Y. OVERLY, George B. (R) if-. Malvern Brick & Tile Co., Box 415 Malvern, Ark. ?AfiER, William M. 404 W. White, Champaign, 111. 'ABIANIC, William L. (RFI) Laclede-Christy Co. j *705 Ridgewood Ave., St. Louis 16, Mo. ABRICA de LADRILLOS is INDUSTRIALES, y " R^RACTARIOS, S. A. jador Odriozola Gomez) j. - tado 390, Monterrey, N. L., Mexico ABRICa de PORCELANA da I VISTA ALEGRE LDA. Ji"* do Barao de Quintela No. 3 j,. Portugal |g||k No. 10 (1955) FACKLER, Ernst G. Apartado Aereo 6108 Bogota, Colombia (Vidrio S. A.) FACKT, George P. (SF) 408 Pasco del Mar, Box 878 Palos Verdes Estates, Calif. (Redondo Tile Co., Ltd.) FADANELLI, Louis H. 1132 S. California Ave., Chicago, 111. FAGG, Leo W. (E) Johnson-Fagg Engineering Co. Box 7157. Tulsa, Okla. FAHRENBRUCK, William O. (GI) R.R. 1, Box 95, Tiffin, Ohio (Sterling Grinding Wheel Co.) FAILMEZGER, Howard (WFI) Victor Insulators Div., I-T-E Circuit Breaker Co. Maple Ave., Victor, N. Y. FAIN, Charles C. 789 Glendalyn Ave., Spartanburg, S. C. FAIRFACTS CO., INC. (J. Ryan Smith) Fairfacts St., Trenton 8, N.J. FALCONER, Donald P. (R) 1018 Maple Ave., Evanston, 111. (Sales Engineer) FALLON, Frank J. (WI) 2662 Lamar, Denver, Colo. (Coors Porcelain Co.) FALTER, Arthur H. (G) 8635 Jacob PI.; Niagara Falls, N. Y. (Carborundum Co.) FANDERLIK, Milota Nerudova 10 Hradec Kralove, Czechoslovakia FARBER, Louis G. (DI) Ceramics Monthly, 4175 N. High St. Columbus 14, Ohio FARGO, Jarvis J. (G) 28 Wilson St., Corning, N. Y. (Coming Glass Works) 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. FARROW, Lewis C. (E) R.R. 1, Clyde, Ohio (Whirlpool Corp., Clyde Porcelain Steel Div.) FASOLD, G. A. (E) 7329 Bernard Ave., Cincinnati 31, Ohio (Philip Carey Mfg. Co.) FAULKNER, Karl B. (R) Coming Glass Works, Coming, N. Y. FAUST, Ernest-H,, Jr. (RI) 3129 Whitney Ave., Mt. Carmel, Conn. (American Refractories and Crucible Corp. FAUST, George T. (B) 9907 Capitol View Ave. Silver Spring, Md. (U. S. Geological Survey) FAY, Wayne X. (RI) General Refractories Co. 202 Oxford Hill Lane, Havertown, Pa. FEAGIN, R. C. (BI) Austenal Laboratories, Inc. 224 E. 39th St., New York 16, N. Y. 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.) FEINBLOOM, David T. Box 653, Alfred, N. Y. FELD, Philip Box 747, Alfred, N. Y. FELDMAN, Gail H. 43 Villa Ct., Hempstead, N. Y. FELKER, Ernest (W) 8408 Summer Rd., Northfield, Ohio (Ferro Corp.) FELLOWS, R. L. (EFI) 748 N. Kensington Ave., La Grange, 111. (Century Vitreous Enameling Co.) FELS, C. G. (RI) 11 DeForest Ave. North Plainfield, N. J. (Fels Refractories, Inc.) FENITY, Robert D. (W) 1116 Belrose Rd. Mayfield Heights, Ohio (Horizons Inc.) FENSTERMACHER, John E. (RJ) 1320 Fifth Ave., Worthington, Minn. FENTON, Walter M. (E) Lithium Corp. of America, Inc. 2560 Rand Tower, Minneapolis 2, Minn. FENTZKE, A. Daniel (R) 96 Center Lane, Levittown, N. Y. (Babcock & Wilcox Co.) FERDINAND, George (R) 7113 Fishbura- Ave., Bell, Calif. . (Consultant) FERGUSON, Donald Box 929, Alfred, N. Y. FERGUSON, Douglas J. (D) Pigeon Forge Pottery Pigeon Forge, Tenn. FERGUSON, D. Robert, III (R) 401 Vine St., East Liverpool, Ohio (Crescent Brick Co., Inc.) FERGUSON, Robert F: (G) 1765 Caleb Dr., Zanesville, Ohio (Hazel Atlas Glass Co.) FERGUSON, Robert L. (S) Yankee Hill Brick Mfg. Co. 728 Stuart Bldg., Lincoln 8, Nebr. FERON, Marcel Administrateur-delegue Societe Beige de Ceramiqui "Cerabel" Rue d'Herchies, Baudour, Belgium FERRIS BRICK CO. (R. T. Wilson) Box 188, Ferris, Texas FERRIS, Harry Philip (R) 20 Birch Dr., Levittown, Pa. (Simonds Abrasive Co.) FERRIS, James E. (G) Niagara Alkali Co. 60 E. 42nd St., New York 17, N. Y. FERRO CORP. (R. A. Weaver) .4150 E. 56th St., Cleveland-'5, Ohio FERRO ENGINEERING CO(Benjamin F. Anthony) 1400 Hanna Bldg., Cleveland 15, Ohio FESLER, Ray T. (W) AAA. Corp., Box 815, Gadsden, Ala. FESSLER, A. H. (WFI) Fenton, Mich. (A C Spark Plug Div. General Motors Corp.) FETTER, H. (R) Cia. Mexicans de Refractarios A. P. Green, S. A., Hamburgo 51 Apartado Postal 71 Bis, Mexico, D. F. FETTERLEY, Guy H. (R) Box 26, Chippawa, Ont., Canada (Norton Co.) FETZER, George W. (M) 1205 17th Ave., Columbus 11, Ohio (George Fetzer Ceramic Supplies) FEYLING, Claus A. Eie Stentffifabrik Egersund, Norway FIBERGLAS CANADA, LTD. (John MacRae) Box 309 Guelph, Ont., Canada FIELD, Theodore E. (B) Corhart Refractories Co. 1600 W. Lee St., Louisville 10, Ky. FIELDS, Ernest (S) 7136 Marwinette Ave. St. Louis 16, Mo. (Laclede-Christy Co.) FILIPPI, Hugo (SF) Illinois Brick Co. 228 N. La Salle St., Room 1718 Chicago 28, 111. Roster 17 |.iLLMORE, Charles L. (WI) I' Globe-ynion, Inp. 900 E. Keefe Ave., Milwaukee 1, Wise. IdjjDLAY CLAY PRODUCTS CO. ' (R. S. Craft) Washington, Pa. LifLAY, G. R. (R) I' 2231 Waters Ave. Niagara Falls, Ont., Canada i (Norton Co.) ffrlLAYSEN, john R School of Ceramics Rutgers University New Brunswick, N. J. tjflNEY, Edwin L. (S) Claycraft Co., Shawnee, Ohio ejjtESTINE, Arthur G. (G) 34 Dewey Ave., Fairport, N. Y. (Bausch & Lomb Optical Co.) cjSCHER, Eugene A. (R) 108 Newton Ave., N. Worcester 9, Mass. (Norton Co.) clSCHER, Peter R. Feldmiihle AG Werk Koholyt-Wesseling Wesseling Bez. Koln, Germany flSCHER, Robert J. (W) 86 Barker Ave., Eatontown, N. J. (Signal Corps Engineering Labs.) flSH, E. Thomas (RJI) Great Lakes Carbon Corp. . 58th St. & Pine Ave. Niagara Falls, N. Y. flSHEL, Waite P. (B) Box 127, Vanderbilt University Nashville 4, Tenn. flSHER, Eugene A. (W) Electric Auto-Lite Co. | Spark Plug Div., Fostoria, Ohio flSHER, Henry C. (R) Norton Co., 1 New Bond St. Worcester 6, Mass. flSHER, Joseph R. (W) Bell Telephone Labs., Rm. 1A-341 Murray Hill, N. J. ^HER, William V. (G) Anchor Hocking Glass Corp. , Lancaster, Ohio flSHLEY, William S. (W) Sparta Ceramic Co. East Sparta, Ohio FISH-SCHURMAN CORP. (Murray Yawitz) 70 Portman Rd. I New Rochelle, N. Y. FITZGERALD, Alex E. (RI) A-4 Avon Apts., Narberth, Pa. (General Refractories Co.) FITZGERALD, J. Vincent (W) Tile Council of Am. Research Center School of Ceramics, Rutgers University rRl New Brunswick, N. J. FITZSIMMONS, Elmer S. (RI) Chem. & Abrasives Research Dept. Cincinnati Milling Machine Co. Cincinnati 9, Ohio . FITZSIMMONS, Robert F. (W) 5 R. R. 1, Oakfield, N. Y. celain; (Lapp insulator Co., Inc.) IflX, Frank A. (M) pmentj Posey Iron Works, Inc. _i _! Lancaster, Pa. Vm8]FLEISCHER, Arthur (B) t your Nickel Cadmium Battery Corp. >U on-j Box 349, Easthampton, Mass. fi thojfLEMING, A. P. M. ' Metropolitan Vickers Electrical Co., Ltd. ' TrafTord Park, Manchester 17, England THEMING, Charles A. (El) J508 Los Lomas Dr. Chattanooga 11, Tenn. 1 (Pemco Corp.) 5Fleming, David m. (Bj) i322 E. Ir\-in Ave., State College, Pa. (Simonds Abrasive Co.) ,, fLEMING, Thomas T. (R) Frank Samuel & Co., Inc. 2200 Lincoln-Liberty Bldg. Philadelphia 7, Pa. fujo, 34) No. jo (1955) FLETCHER ENAMEL CO. (J. Carroll Fletcher, Jr.) Dunbar, W. Va. FLETCHER, J. Carroll, Jr. (E) Fletcher Enamel Co., Dunbar, W. Va. FLEXON, John D. (R) 3440 Gallatin Rd., Toledo, Ohio (Owens-Illinois) FLICK, Fulton B. (R) Brown, Critchlow, Flick & Peckham 1706 First National Bank Bldg. Pittsburgh 22, Pa. FLINT, E. P. (BI) Mallinckrodt Chemical Works Second & Mallinckrodt Sts. St. Louis 7, Mo. FLINT, Francis C. (GFI) Hazel-Atlas Glass Co. 15th & Jacobs Sts., Wheeling, W. Va. 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. FOGELBERG, Sven Webb's Crystal Glass Co., Ltd. Dennis Glassworks Stourbridge, England FOLKERS, Lt. JG Charles L. (RJ) USN,- USS Iron County LST840 FPO, San Francisco, Calif. 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. (L. G. Bliss) 18 W. Chelten Ave. Philadelphia 44, Pa. FORAKER, Robert W. (El) Titanium Pigment Corp. . 99 Hudson St., New York 13, N. Y. FORBES, Charles C. (G) Allen B. Du Mont Labs. 750 Bloomfield Ave., Clifton, N. J. FORBES, Lewis J-B. (G) Pilkington Bros. (Canada) Ltd. 165 Bloor St., E. Toronto 5, Ont., Canada FORD, Fred J. (S) Box 395, San Francisco, Calif. (Consultant) FORD, George D. (WI) 2136 Wilmer St., Zanesville, Ohio (Mosaic Tile Co.) FORD, Walter D. (GI) Pittsburgh Corning Corp. Research & Development Div. Port Allegany, Pa. FORDS PORCELAIN WORKS (I. A. Hansen) Perth Amboy, N. J. FORESMAN, Grover C. (G) 212 Cedar St., Corning, N. Y. (Corning Glass Works) FORKNER, Henry R. (XI) 201 Fairview Ave., Blacksburg, Va. (Virginia Polytechnic Institute) FORNIA, Robert F. 2326 N. 60th St., Seattle 3, Wash. FORRY, W. J. (I) 21 N. Shippen St., Lancaster, Pa. FORSE, Edwin B. (R) Carborundum Co., Niagara Falls, N. Y. FORTH, Robert D. (E) 1369 N. W. Circle Dr. Kankakee, 111. (Florence Stove Co.) FOSDICK, Marion L. (DF) 100 N. Main St., Alfred, N. Y. FOSTER-FORBES GLASS CO. (F. R. Motsch) Marion, Ind. FOSTER, H. B. (S) Brick & Tile Service, Inc. Box 2935, Greensboro, N. C. FOSTER, Luther M. (B) Aluminum Research Labs. New Kensington, Pa. FOSTER, Wilder D. (B) 5405 Bower Ave., Verona, Pa. (U. S. Bureau of Mines) FOSTER, Wilfrid R. (BF) Department of Mineralogy Ohio State University Columbus 10, Ohio FOSTORIA GLASS CO. (Roy G. Yeater) Moundsville, W. Va. FOWLER, Eugene F. (E) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio FOX, Charles S. (R) Aluminum Co. of America 3615 Olive St., St. Louis 8, Mo. FOX, Marilyn Box 161, Alfred, N. Y. FRAD, William A. (R) 1800 Oak St., Rolla, Mo. (Missouri School of Mines) FRAHME, Herman H. (WI) 2358 Banning Rd., Akron 13, Ohio (U. S. Stoneware Co.) FRAME, Dudley P., Jr. (MI) 2366 Club Rd., Columbus 21, Ohio (Harrop Ceramic Service Co.) FRANCE, J. H., REFRACTORIES CO. (William A. France) Snow Shoe, Pa. FRANCE, William A. (R) J. H. France Refractories Co. Snow Shoe, Pa. FRANCESCHINI, Felippe Ceramics Sao Caetanp Caixa Postal 278, Sao Paulo, Brazil FRANCIS, Ronald K. (I) Box 847, Alfred, N. Y. FRANCISCO, Allen C. (RI) Brook Lane, R.R. 1 Chesterland, Ohio (Kolcast Industries, Inc.) FRANCK, Leon Franck & Steeman, S. A. 20 Ave. Emmanuel Haren-Nord, Belgium FRANCL, Josef (B) 2549 Orkney St., Toledo 6, Ohio (Owens-Illinois) FRANK, Arthur W. (R) 2284 Auer Park Pewaukee Lake, Pewaukee, Wise. (Hevi Duty Electric Co.) FRANK, Henry A. (W) Kokomo Sanitary Pottery Corp. Kokomo, Ind. FRANK, John (D) Frankoma Pottery, Box 789 Sapulpa, Okla. FRANKLIN, Earl W. (SI) R.R. 1, Box 212B Alfred University Research Lab. Kingston, N. Y. FRANKLIN, William S. (GI) 918 Grassmere Ave., Wanamassa, N. J. (Bendix Aviation Corp. Red Bank Div.) 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. FRANZ, Leo J. (R) Acme Brick Co., Malvern, Ark. FRASER, Lewis H. D. (BI) Dan-Mar Apt. 106, Marion, Ind. (RCA Tube Division) Roster 19 jrjtASER, Orray T. (GI) 404 S. Ashburton Rd., Apt. A Columbus 13, Ohio (B. F. Drakenfeld & Co.) jtrASER, Walter A. (G) 1320 E. 56th St., Chicago 37, 111. (Chicago Midway Laboratories) r \ER, W. B. (S) laser Brick Co., Box 144 Dallas 1, Texas fRAZIER, C. E. (GF) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. fRAZIER, C. T. (G) 527 E. Beau St., Washington, Fa. (Frazier-Simplex, Inc.) fRAZIER, J. Earl (GFI) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. fRAZIER-SIMPLEX, INC. 1 (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. j fREDERICK, C. L. (RI) i 24 Meadowood Lane, R.R. 4 Chagrin Falls, Ohio FREDERICK, Gilbert M. (R) Babcock & Wilcox Co. 1114 Packard Bldg., Philadelphia 2, Pa. FREDERICK, 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. FREDRIKSSON, John I. (R) Norton Co., Box 87 Niagara Falls, Ont, Canada FREEMAN, Charles A. (RFI) reeman Fire Brick Co. jx 606, Canon City, Colo. FREEMAN, Edgar H. (W) Norris-Thermador Corp. 20118 E. Valley, Walnut, Calif. FRENCH, Myrtle M. (DF) 8301 S. Langley Ave. Chicago 19, 111. (Art Institute of Chicago) FRENCH, Preston W. (GI) 1517 Union Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) FREY, E. F. (M) DeVilbiss Co., Toledo 1, Ohio ; FRIEDBERG, Arthur L. (E) 204 Ceramics Bldg. 4 University of Illinois, Urbana, 111. ; FRIEDMAN, Louis K. (W) \ Homer Laughlin China Co. j 212 Fifth Ave., New York, N. Y. j FRIEDMANN, Ernesto 1 990 N. Park Ave., Pomona, Calif. ^ FRITZ, Earl C. (W) t 131 Fulton St., Olean, N. Y. i: (Hi. Q. Div., Aerovox Corp.) .'FRITZ, E. H. (WFI) ! 710 Walnut St., Latrobe, Pa. i (Stupakoff Div., Carborundum Co.) i FROBERG, Laird (R) Owens-Coming Fiberglas Corp. Case Ave., Newark, Ohio FROME, Howell E. (G) United Fuel Gas Co., Box 1273 j Charleston 25, W. Va. 'FRONCZAK, E. T. (S) J Richland Shale Brick Co., Box 328 3 Mansfield, Ohio 4 FRp^T, Leon J. (E) | i; 138, Lewiston, N. Y. I - .ttanium Alloy Mfg. Div. National Lead Co.) jfrRY, Herbert G. National Enamels, Ltd., S3 Norman Rd. J Greenwich, London, S. E. 10, England I^ol. 34, No. 10 (1955) FRYE, John C. (B) State Geological Survey 121 Natural Resources Bldg. Urbana, 111. FRYSINGER, James B. (M) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh, Pa. FUENZALIDA, Javier H. (W) Foreign Div., American Radiator & Standard Sanitary Corp. 40 W. 40th St., New York 18, N. Y. FUJII, Takashi Institute of Silicate Research University of Toledo, Toledo 6, Ohio FULKER, Richard H. (El) 1408 Nicklin Ave., Piqua, Ohio (Pemco Corp.) FULLER, A. A. (X) 322 S. Twyckenham Dr. South Bend, Ind. (Sollit Construction Co., Inc.) FULLER, Donald H. (El) 335 S. Cook Ave., Trenton, N. J. (Trenton Fabricated Metal Co.) FULLER, L. R. (El) 1129 E. Walnut St., Kokomo, Ind. (Globe American Corp.) FULLER, Richard B. (WI) Universal Clay Products Co. 1528 First St., Sandusky, Ohio FULLER, Richard G. (W) D. E. McNicol Pottery Clarksburg, W. Va. FULLER, Wilfred (E) General Steel Wares Ltd. Adelaide & Nelson Sts. London, Ont., Canada FULMER, Raymond C. (WI) Stackpole Carbon Co.. St. Marvs, Pa. FULRATH, Richard M. (R) University of California 164 Hearst Mining Bldg. Berkeley 4, Calif. FUNK, Harry C. (G) Eagle-Picher Co., Insulation Div. Box 290, Joplin, Mo. FUNK, James E. (W) 122 Glenrae Dr., Baltimore 28, Md. (Locke Dept., General Electric Co.) FUNKE, W. (G) Owens-Illinois Box 1019, Oakland 4, Calif. FUNKHOUSER CO. (J. B. Sauls) 138 W. Washington St. Hagerstown, Md. FUNNELL, John E. (MI) Southwest Research Institute Box 2296, San Antonio 6, Texas FUSSELL, Lynn E. (E) 3501 Tyrone Dr., Louisville 18, Ky. (General Electric Co.) FUSZARA, Lester T. (I) 5 Stanton Ave., Perry, N. Y. G GAGIN, L. V. (G) 2616 Latonia Blvd., Toledo 6, Ohio (L-O-F Glass Fibers Co.) GAILEY, Michael D. 2601 W. Montlake PL Seattle 2, Wash. GAINER, Taylor M. (W) 215 Steedley Dr., Louisville 14, Ky. (American Radiator & Standard Sanitary Corp.) GAINES', Robert F. (S) 48 S. White St., Brookville, Pa. (Washington Brick & Lime Co.) GAISER, R. Arthur (G) Ball Brothers Co., Muncie, Ind. GALBREATH, William W,, Jr. (RI) Vitro Corp. of America Vitro Engineering Div., 120 Wall St. New York 5, N. Y. GALLISON, Herbert E. (M) Worthington Corp. Industrial Mixer Div. Plainfield, N. J. GALLUP, John (GI) RCA Victor Div. Radio Corp. of America 415 S. Fifth St., Harrison, N. J. GALUSHA, Richard L. (W) Box 12, Bendersville, Pa. GALVIN, G. H,, Jr. (S) Rockford Brick & Tile Co. Rockford, la. GALVIN, Richard J. (S) Sheffield Brick & Tile Co. Sheffield 1, la. GAMBLE, David L. (E) New Jersey Zinc Co. of Pa. Research Dept., Palmerton, Pa. ` GAMBLE, John D. (W) Bell i Gossett Co., 8200 Austin Ave. Morton Grove, III. 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 GANTS, Sheldon B. (D) Ceramic Associates, Inc. 3650 Dyre Ave., New York 66, N. Y. GARBISCH, Norbert S. (W) Garco Products, Inc. Box 351, Butler, Pa. GARCIA-LEAL, Ramon (WI) Apartado Postal 1115 Monterrey N. L., Mexico (Institute Tecnologico de Monterrey) GARCO PRODUCTS, INC. (Norbert S. Garbisch) Box 351 Butler, Pa. GARDEN, Henry R,, Jr. (S) Box 508, Salem, Va. (Salem Brick Co., Inc.) GARDON, Robert (GF) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. GAREIS, Friedrich "Tassino" Montagnola Lugano, Switzerland (Porzellanfabrik Langethal A. G.) GARFIELD REFRACTORIES CO. (Kenneth A. Rugh) Bolivar, Pa. GARLAND, C. F. (S) Mason City Brick & Tile Co. Mason City, la. GARLICK, Oakley H. (M) Paul O. Abbe, Inc. Little Falls, N. J. GARLICK, Philip L. (JI) 1 Gladys St., Cyrildene Johannesburg, South Africa GARONZIK, S. H. (S) 4211 Brookview Dr., Dallas, Texas (Crown Brick Mfg. Co.) GARSTANG, Alec King, Taudevin & Gregson Ltd. Grindtegate Works, Scotland St. Sheffield 3, York, England GARVE, T. Walter (SFI) 69 W. Weisheimer Rd. Columbus 14, Ohio (Consulting Engineer) GARVEY, Lawrence P. (RI) RCA Victor, 415 S. Fifth St. Harrison, N. J. GASKINS, W. W. (WI) Sierra Talc & Clay Co. Box 390, South Pasadena, Calif. GATES, Daniel W. (XI) R. R. 3, Thomas St., Athens, Ala. . (Redstone Arsenal) GATES, Louis E., Jr. Box 933, Canton, N. C. GATES, Major E. (R) 2630 Fordham St., Palo Alto, Calif. Roster 21 Sanitarios El Aguila S. A. Apartado Postal 26808, Zona 14 Mexico,. D. F. , 0NPER, Wilbur F. (G) Pittsburgh Plate Glass Co. Works No. 11, Mt. Vernon, Ohio JTSCH, Murray C. (MI) Metal fit Thermit Corp., E. Grand Ave. c " San Francisco, Calif. i IJ. P. (W) jCouier Co., Kohler, Wise. VKTHROP, Alfred (S) 885 Maplewood Rd., Lake Forest, 111. (Chicago Brick Co.) y, Hayward A. (R) Cincinnati Milling Products Div. Cincinnati Milling Machine Co. 4701 Marburg Ave., Cincinnati 9, Ohio 2, Kenneth H. (B) 2033 Westfield Terrace, Bethlehem, Pa. (Bethlehem Steel Co.) [GER, Charles F. (RFI) Carborundum Co., Box 268 Perth Amboy, N. J. 1GER, Joseph S. (M) 46 E. Welling Ave. Pennington, N. J. (Titanium Alloy Mfg. Div., National Lead Co.) [SINGER, E. E. (EF) Pfaudler Co., 1000 West Ave. Rochester 3, N. Y. 1ST, William J. (X) Young Machining Co., Muncy, Pa. HER, R. F. (WFI) 5427 York Lane, Bethesda 14, Md. (National Bureau of Standards) LSTHARP, Frederick (GF) 1134 Park St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) LTMAN, Gerald Box 1009, Alfred, N. Y. SIMELL, J. G. (M) Golding-Keene Co., Box 456 Keene, N. H. JfP, Robert W. (R) 50' 'jchell St., Ridley Park, Pa. . (i ,<d Refractories Co.) INEKaL CERAMICS CORP. - (Salvatore Ortepio) Crows Mill Rd., Keasbey, N. J. NERAL COLOR & CHEMICAL CO., INC. (Harry J. Keener) Box 7 Minerva, Ohio MERAL ELECTRIC CO. (W. S. Kahison) 'Lamp Dept., Pitney Glass Works Nela Park 12, Cleveland, Ohio iMERAL ELECTRIC CO. (L. E. Thiess) Locke Dept., Box 57 Baltimore 3, Md. 2NERAL GLASS EQUIPMENT CO. (Victor A. Plumbo) 5 S. Virginia Ave. Atlantic City, N. J. ^eral REFRACTORIES CO. (Russell P. Heuer) 1520 Locust St. ^Philadelphia 2, Pa. PTRY, Raymond (G) fAlexander H. Kerr fit Co., Inc. ^Box 2008, Santa Ana, Calif, fTSCH, A. Page (M) eNn*** Clay Mines Corp. Oakland St., Trenton, N. J. F.*SCH, Bernhard F. (M) l ift Clay Mines Corp. Oakland St., Trenton, N. J. ?*GE, W. C. (W) 'i? u' Gtor** lottery Co. Ave., East Palestine, Ohio W. R. (W) |.Unoburg Pottery Co. itei :,rg-Pa- W. S., POTTERY CO. tfiasi n ,George) Park Avei|.*t Palestine, Ohio & No- 10 (1955) BRICK & TILE*CO. (J. C. Hagler, Jr.) 10 Campbell Bldg., Augusta, Ga. GEORGIA KAOLIN CO. (Robert H. Bollinger) 433 N. Broad St., Elizabeth 3, N. J. GERAGHTY, John J. (E) Chicago Hardware Foundry Co. North Chicago, 111. GERBER, Oscar L. (W) Gerber Plumbing Fixture Corp. 232 N. Clark St., Chicago 1, 111. GERCAR, Francisco J. S. A. Cristalerias Del Uruguay Comercio 1491, Montevideo, Uruguay GERSCH, Herbert (S) 3557 Ontario St., Columbus 11, Ohio (Claycraft Co.) GERSTENSCHLAGER, V., Jr. (R) Babcock fit Wilcox Co., Box 923 Augusta, Ga. GERSTER, C. W, (WI) Louthan Manufacturing Co. 2000 Harvey Ave., East Liverpool, Ohio GETTO, Allan Box 246, Alfred, N. Y. GHERING, Leonard G. (GF) Preston Laboratories, Box 149 Butler, Pa. GIACOMELLI, Domenico Soc. It. Refrattari Marghera Azionaria Via Industrie 52 Cas. Post. 308. Marghera, Venice, Italy GIANG, Yu Kim Choan Huat Co. Inc. Ill Jose Rizal St., Mandaluyong Rizal Province, Philippines GIBB, Mary J. American Ceramic Society 4055 N. High St., Columbus 14, Ohio GIBBS, Melvin B. (E) Inland Steel Co., East Chicago, Ind. GIBSON, Frank B. (E) Seaporcel Metals, Inc. 28-20 Borden Ave. Long Island City 1, N. Y. GIBSON, R. L. (WI) 1314 Wilmington Ave., New Castle, Pa. (Shenango China, Inc.) GIESEKE. Frans Kockums Emaljerverk Ronneby, Sweden GIESS, Edward A. (BJI) Box 903, Alfred, N. Y. (State University of New York, College of Ceramics) GIFFIN, Robert H. 4211 Allendorf Dr., Apt. 20 Cincinnati 9, Ohio GILBERT, George W. (G) 497 S. Second St., Newark, Ohio (Owens-Corning Fiberglas Co.) GILES, James H., Jr., (MI) 3621 39th St., N. W., Apt. F-324 Washington 16, D. C. (Porcelain Enamel Institute) GILES, Raymond (W) 142 McKeever St., Crooksville, Ohio (Crooksville China Co.) GILES, Thomas M. 1970 Suffolk 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, James A. (WI) Baroid Div., National Lead Co. Box 1675, Houston 1, Texas GILL, John H. (R) Gill Clay Pot Co., Muncie, Ind. GILL, Joseph W. (BI) 685 Van Buren St., Des Plaines, III. (U. S. Gypsum Co.) GILL, LaVeme N. (WI) American Radiator fit Standard Sanitary Corp., Box 268 Torrance, Calif. Texas Brick Co., Box 510 Brownwood, Texas GILLESPIE, H. M. (M) 225 Broadway, New York 7, N. Y. GILL1ARD, Joseph W. (D) 108 W. County St., Phoebus, Va. (Hampton Institute) GILLINDER BROTHERS, INC. (J. Fletcher Gillinder) Port Jervis, N. Y. GILLINDER, J. Fletcher (G) Gillinder Brothers, Inc. Port Jervis, N. Y. ` GILLULY, William F. (G) 1611 W. 13th St., Sedalia, Mo. (Pittsburgh Corning Corp.) GILTNER, Benedict C. (W) Illinois Electrical Porcelain Co. Pierce fit Pearl St., Macomb, 111. GIMSON, Joseph F. Worcester Royal Porcelain Co., Ltd. Royal Porcelain Works Worcester, England GINGOLD, Jacob 6 rue de Fontenay, Plessis-Robinson Paris, Seine, France GIRARD, R. T. (E) General Electric Co. General Engr. Lab., Bldg. 37, Rm. 299-38 One River Rd., Schenectady 5, N. Y. G1TTER, Alice Josephine (MF1) 39 W. 70th, New York 23, N. Y. (Whittaker, Clark fit Daniels, Inc.) GITZEN, Walter H. (R) 1 Wesley Dr, Belleville, 111. (Aluminum Co. of America) GIVEN, Conrad W. (E) Great Lakes Steel Corp. Ecorse, Detroit 29, Mich. GLABAU, Ernest R. (G) 140 Woerd Ave., Waltham 54, Mass. (Raytheon Mfg. Co.) GLADDING, Albert C. (S) Gladding Bros. Mfg. Co. Third fit Keyes St., San Jose, Calif. GLADDING, McBEAN & CO. (William O. Brandt) 2901 Los Felix 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. GLASFORD, James W. 1350 Boilvin Ave., Rockford, 111. GLAZE, Francis W. (GFI) 4100 Gallatin St., Hyattsville, Md. (National Bureau of Standards) GLEN-GERY SHALE BRICK CORP. (Gordon E. Lewis) Box 182 Wyomissing, Pa. GLENSHAW GLASS CO., INC. (George W. Meyer) Glenshaw, Pa. GLOBE-UNION INC. (J. Fletcher Harper) 900 E. Keefe Ave., Milwaukee 1, Wise. GLOSS, Gunter H. (R) International Minerals fit Chemical Corp. 5401 Harrison St., Skokie, 111. 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. GLYNN, T. W. (G) Blue Ridge Glass Corp. Kingsport, Tenn. GODDARD, W. T. (W) Box 428, Hamilton, Ont., Canada (Canadian Porcelain Co., Ltd.) GODEJAHN, Gordon C., Jr. (G) 2847 Alisdale Dr., Apt. 102 Toledo 6, Ohio (Owens-Illinois) Roster 23 IfiOPOY, E.'A., & CO., INC. (Emilio A. Godoy) 25 Broadway \ New York 4, N. Y. wjDOY, Emilio A. (R) E. A. Godoy & Co., Inc., 25 Broadway New York 4, N. Y. STCH1US, Don R. (E) Ferro Corp. 4150 E. 56th St., Cleveland, Ohio COIN, Fred L. (S) Gladding, McBean & Co., Lincoln, Calif. gOLDING, Ivor L. S. Metal Porcelains Ltd., Cornwall Rd. Smethwick 40, England COLDING-KEENE CO. (J. G. Geramell) Box 456 Keene, N. H. gOLDMAN, Basil B. (S) Rhodes Chemical Co. 1545 S. State St., Chicago 5, 111. GOLDSMITH, Julian R. (B) University of Chicago Dept, of Geology, Chicago 37, 111. gOMEZ, Salvador Odriozola (R) Fabrics de Ladrillos Industrials y Refractarios, S. A., Apartado 390 Monterrey, N. L., Mexico CONDER, Lawton (W) Gonder Ceramic Arts, Inc. Box 448, Zanesville, Ohio COODFELLOW, Ted M. (W) Tektronix, Inc., 9450 S. W. Barnes Rd. Portland, Ore. GOODHUE, R. K. (M) Stauffer Chemical Co. 326 S. Main St., Akron 8, Ohio GOODMAN, Gilbert (B) General Electric Research Lab. Box 1088, Schenectady, N. Y. GOODMAN, James S. (E) American Radiator & Standard Sanitary Corp., 834 E. Broadway Louisville 4, Ky))DRICH, Hobert R. (WI) 1622 Santa Barbara Ave. Glendale 8, Calif. (Gladding, McBean & Co.) : GOODWIN, William Jarrard (B) -S| Metals Research Labs. Electro-Metallurgical Co., Box 580 Niagara Falls, N. Y. GORDON, Irwin (W) RCA Laboratories Div. Princeton, N. J. GORDON, John R. (R) Zirconium Corp. of America Solon, Ohio GORMLY, Alan L. (R) 490 Shrewsbury St., Holden, Mass. (Norton Co.) GORMLY, Maurice W. (R) 7330 Miami Hills Dr., Madeira, Ohio (Cincinnati Milling Products Div., Cincinnati Milling Machine Co.) GORNALL, Henry A. (MI) 4357 Ardmore Rd., S. Euclid Cleveland 21, Ohio (Allied Engr. Div., Ferro Corp.) GORSUCH, Charles A. (M) Ayers Mineral Co., 806 Market St. Zanesville, Ohio G0RT, Walter A. (W) Twin Bay Village, Bolson Landing, N. Y. (General Ceramics Corp.) , . GOSS, Bruce R. t' 11 Hamilton St., Weedsport, N. Y. GOTTO, Mrs. B. D. "Wheatlands," Headley Nr. Newbury, Berks, England (A. L. Curtis Co.) >JDGE, Monson F. (M) Mines Branch, 40 Lydia St. Ottawa, Ont., Canada (Dept. Mines & Technical Surveys) ^"OULD, Robert E. (WFI) Buffalo Pottery, Inc. . 1456 Seneca St., Buffalo 10, N. Y. m 34, No. 10 (1955) GOWER, Irving W. (R) 1023-A S. Clark, Mexico, Moi (Mexico Refractories Co.) GRAFF, James B. (S) Graff-Kittanning Clay Prods. Co. Worthington, Pa. GRAFF-KITTANNING CLAY PRODUCTS CO. (James B. Graff) Worthington, Pa. GRAFF, William A. (G) Glass Technology Lab. General Electric Co. 1133 E. 152nd St., Cleveland 10, Ohio GRAHAM, John Warren (R) 5609 Milan Ave., Cincinnati 13, Ohio (General Electric Co.) GRANNEN, Edward A. (W) 77 Sheehan Ave., Cincinnati 15, Ohio (Cambridge Tile Mfg. Co.) GRANT, Frederic J. (W) 527 W. Seventh St., Rm. 303 Los Angeles 14, Calif. (Grant Ceramic Co.) GRANT, John F. (I) Piffard, N. Y. GRAUER, Oscar H. (G) Fischer & Porter Co., Hatboro, Pa. GRAY, Thomas J. (B) Box 814, Alfred, N. Y. (State University of New York, College of Ceramics) GRAY, W. Ashley, Jr. (X) Pioneer Silica Products Co. 3615 Olive St., St. Louis 8, Mo. GRAY, William T. (G) Leeds & Northrup Co. 4901 Stenton Ave., Philadelphia 44, Pa. GRAYBEAL, Byron F. (M) American Vermiculite Co., Inc. Roan Mountain, Tenn. GREAT LAKES FOUNDRY SAND CO. (C. L. Cruikshank) 720 United Artists Bldg. Detroit 26, Mich. GREEN, A. P,, FIRE BRICK CO. (R. S. Bradley) Research Dept., Mexico, Mo. GREEN, Allen P. (R) A. P. Green Fire Brick Co. Mexico, Mo. GREEN, A. T. (F) British Ceramic Research Assn. Queen's Rd., Penkhull Stoke-on-Trent, England GREEN, D. T. (S) Milton Brick Co., Ltd., Box 554 Milton, Ont., Canada GREEN, John R. (MI) Minneapolis-Honeywell Reg. Co. Wayne & Windrim Aves. Philadelphia 44, Pa. 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.) GREENBERG, Sidney A. (B) Johns-Manville Research Center Manville, N. J. GREENE, Charles F. (S) 1327 Woodrow St., Columbia, S. C. (Richland Shale Products Co.) GREENE, Charles H. (G) 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.) GREENFIELD, Jerome (M) Seaboard Chemical Corp. 198 Broadway, New York 38, N. Y. GREENHOUSE, Harold M. (B) Aladdin Radio Industries Nashville 2, Tenn. GREENLEE, Charles A. (R) Basic Refractories, Inc. 845 Hanna Bldg., Cleveland 15, Ohio GREGER, Herbert H. (R) R.R. 1, Rockville, Md. (U. S. Bureau of Mines) GREGORIUS, J. S. (GFI) 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, P. Douglas 1318 Whenona Dr., Madison, Wise. GRIFFIN, Thomas W. (G) 213 Bushy Hill Rd., Weatogue, Conn. (Hartford-Empire Co. Div. of Emhart Mfg. Co.) GRIFFITH, J. Scott (R) 5524 W. Adams St., Chicago 44, 111. (Armour Research Foundation) GRIFFITH, R. E. (R) R.R. 1, Malvern, Pa. (E. J. Lavino & Co.) GRIFFITH, William A. (RJI) Great Lakes Carbon Corp. Box 637, Niagara Falls, N. Y. GRIFFITHS, Norman Nonporite Pty. Ltd. 292--296 Burwood Rd. Hawthorn E 2, Victoria, Australia GRIGG, Arthur (R) Denver Sewer Pipe & Clay Co. Box 2329, Denver . 1, Colo. 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. GRIMM, Clayford T. (S) Clay Products Assoc, of the Southwest 109 Perry-Brooks Bldg., Austin 1, Texas GROBB, F. S. (R) G. F. Steme & Sons, Ltd., 126 Bruce St. Brantford, Ont., Canada GROOME, Garland L. (R) 1347 Cambria St., Baltimore 25, Md. (Harbison-Walker Refractories Co.) GROSS, Harold I. (W) Santa Anita Potteries 3117 San Fernando Rd. Los Angeles 65, Calif. GROTHAUS, Joseph V. (R) 6806 S. Dante, Chicago 37, 111. (United States Seel Corp.) GROVE, Robert L. (WI) 26 Rockland St. South Dartmouth, Mass. (Cornell-Dubilier Elec. Corp.) GRUNER, Max N. (R) Harbison-Walker Refractories Co. 1325 Ambassador Bldg., St. Louis 1, Mo. GRUVER, Robert M. (X) 1160 Oneida St., State College, Pa. (Linden Labs., Inc.) GSCHWIND, Jean F. (M) Ross Midwest Fulton Corp. 918 Woodley Rd., Dayton 1, Ohio GUERCI, Carl F. (W) 1444 Westgate Dr., Bethlehem, Pa. (Western Electric Co.) GUGELER, Albert L. 3897 W. 33rd St., Cleveland 9, Ohio GUIMARAES, Helio Pentagna Caixa Postal 1355 Belo Horizonte, Brazil GULICK, Chester (M) Kentucky-Tennessee Clay Co., Inc. 807 City Savings Bldg., Alliance, Ohio GULLINGS, LeRoy V. (G) 126 Parkway Dr., Wabash, Ind. (American Rock Wool Corp.) GUMMESON, P. Eg. Hoganas-Billesholms Aktiebolag Hoganas, Sweden Roster 25 tflfTHER, F. W. (S) 849 Baker'Ave., N. W. New Philadelphia, Ohio (Universal Sewer Pipe Corp.) jONZENHAUSER, Adolph (M) Industrial Consultant, 69-70 113th St. Purest Hills 7S, L. I,, N. Y. n I Subodh C. (GJ) . 101, Port Jervis, N. Y. (Gillinder Bros., Inc.) 0RR, Wilhelm Porzellan-Manufaktur W. Haldenwanger Berlin-Spandau Heerstr. 221, Westsektor, Germany ;0STAFSON, Carl H., Jr. (R) Montana Dr., Holden, Mass. (Norton Co.) jtJTHRIE, George B. (W) 642 Louisiana Ave., Chester, W. Va. (Hall China Co.) J0ZMAN, Hector (G) 2944 Kendale Ave., Apt. 103 Toledo, Ohio (Owens-Illinois) cyWE, Mg Lu Box 216, Alfred, N. Y. H JACKETT, James W. (G) 3614 Kenwood Blvd., Toledo 6, Ohio (Owens-Illinois) JACKLER, W. C. (WI) Ceramic Section Engineering & Industrial Exp. Station University of Florida, Gainesville, Fla. HADLEY, Robert L. (E) General Electric Co. Major Appliance Div., AP S, Rm. 249 ; Appliance Pk., Louisville 1, Ky. igAECKER, Arthur J., Jr. (R) 3325 Bennett Way, Concord, Calif, '"''adding, McBean & Co.) HA )R POTTERIES, INC. v. -seph F. Estes) 7 Maiden Lane Dundee, 111. HAERTLING, Pvt. Gene H. (WJI) . US 55535160, Co. I, 9405 TU .. Fort Monmouth, N. J. HAFNER, Harold C. (G) Bausch & Lomb Optical Co. Chemical Research Lab. Rochester 2, N. Y. 1HAFNER, Robert H., Jr. (X) i 175 N. Linden Rd., Mansfield, Ohio j (Humphryes Mfg. Co.) HAGAN, M. A. (RI) 5 Midwest Research Inst. 425 Volker Blvd., Kansas City 10, Mo. HAGAR, Donald (MFI) Box 328, Zanesville, Ohio (Donald Hagar Ceramic Materials) `BAGEDORN, E. C. (G) 5 Owens-Illinois, Technical Center 1 1700 N. Westwood, Toledo 1, Ohio iHAGENAUER, Carl J. (G) 1 R.R. 1, Sarver, Pa. (Pittsburgh Plate Glass Co.) jUGGLUND, Erik (M) Kanthal Corp., Amelia PI. Stamford, Conn. WGLER, J. C,, Jr. (S) Georgia-Carolina Brick & Tile Co. 10 Campbell Bldg., Augusta, Ga. ^GNER, Fred F. (G) Phoenix Glass Co., Monaca, Pa. ^GY, Henry E. (G) Corning Glass Works Laboratory Corning, N. Y. ^ William P. (G) .orwood Ave. North Plainfield, N. J. . (Johns--Manville Corp.) ^HNER, Clarence H. (GF) National Bureau of Standards Washington 25, D. C. 34, No. 10 (1955) HALDEN, Frank A. (BJ) 655 Westwood Ave., Long Branch, N. J. (Signal Corp Engineering Labs.) HALDY, Norman L. (W) American Encaustic Tiling Co. 1000 Cannon Ave., Lansdale, Pa. HALE, Arthur R. (M) Aluminum Co. of America 1880 Elmwood Ave., Buffalo 7, N. Y. HALEM, Robert G. (WJ) 1571 Undercliff Ave., Bronx 53, N. Y. (Babcock & Wilcox Co.) HALL CHINA CO. (M. W. Thompson) East Liverpool, Ohio HALL, Donald H. c/o Mrs. Lusk, R.R. 1 Alfred Station, N. Y. HALL, Douglas E. 112 Chemung St., Waverly, N. Y. 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. (WF) Onondaga Pottery Co., Electronic Div. Syracuse 1, N. Y. HALL, James L. (W) 242 Oregon Ave., Palo Alto, Calif. (Eitel-McCullough, Inc.) HALL, John T. (W) Elysian Way, East Liverpool, Ohio (Hall China Co.) HALL, Morris P. (S) Alton Brick Co., Box 245 Maryland Heights, Mo. HALLBERG, Richard C. (W) 236 Watson Ave., Fostoria, Ohio (Electric Auto-Lite Co., Spark Plug Div.) HALLER, Percy 319 Carterknowle Rd., Sheffield 11, England (John G. Stein & Co., Ltd.) HALLER, Wolfgang K. (B) Inst, of Silicate Research University of Toledo, Toledo 6, Ohio HALLETT, Crawford W. (RI) Ceramic Supply Co., Box 106 Crooksville, Ohio HALLOIN, William G. (G) 1218 Broadview Blvd. Brackenridge, Pa. (Pittsburgh Plate Glass Co.) HALLSE, Robert L. 514 S. Chase Ave., Lombard, 111. HALM, Louise Union Francaise des Produits Refractaires, 15, Rue de Milan Paris 9e, France HAMAKER, M. L. (R) Columbia Fire Brick Co. 612 First National Bank Bldg. Canton 2, Ohio HAMER, Donald (R) 426 Elmwood, Evanston, 111. (Lindberg Engineering Co.) HAMILTON, Edgar H. (GI) National Bureau of Standards Washington 25, D. C. HAMILTON, J. C. (G) 3422. Chestnut Hill Rd., Toledo 6, Ohio ( Owens-Illinois) HAMILTON, Noble E. (R) Box 466, Providence, R. I. HAMILTON, W. M. (E) Crane Co., Chattanooga Div. 33rd and Alton Park Blvd. Chattanooga 1, Tenn. HAMME, Donald G. (G) National Gypsum Co., Research Center 1650 Military Rd., Buffalo 17, N. Y. HAMMER, Averill J. (S) Dept, of Chemistry Bowling Green State University Bowling Green, Ohio HAMMER, Gunter 246, Connell's Pt. Rd. South Hurstville, N. S. W., Australia (Messrs. R. Fowler Ltd.) HAMMER, R. (I) Box 5212 (Nachla), Haifa, Israel (Palceramic, Ltd.) HAMMOND LEAD PRODUCTS, INC. (William P. Wilke, III) 5231 Hohman Ave., Box 912 Hammond, Ind. HAMPEL, Richard J. (WJ) 3762 Osceola St., St. Louis, Mo. (Trenton Potteries Co.) HANCOCK BRICK & TILE CO. (James L. Child, Jr.) Box 450 Findlay, Ohio HAND, Thomas (R) Corhart Refractories Co. 1600 W. Lee St., Louisville 10, Ky. HANDEN, Jack (GJ) 20 Elmora Ave., Elizabeth, N. J. HANDWERK, Joseph H. (B) 915 N. Prairie Ave., Joliet, 111. (Argonne National Laboratory) HANKS, Charles F., Jr. (M) , Kentucky-Tennessee Clay Co. 807 City Savings Bldg. Alliance, Ohio HANLEY CO. (Charles E. Bates) Summerville, Pa. HANLON, Charles W. (M) 66 Fairmount Blvd. Garden City, L. I., N. Y. (Farris Flexible Valve Corp.) HANN, Douglas G. Caynton, Shifnal, Shropshire, England (British Heat Resisting Glass Co.) HANNA, H. H. (GI) Pittsburgh Plate Glass Co. 100 Mississippi Ave. Crystal City, Mo. HANNA, Ralph E. (WI) Square D Co., Molded Insulation Div. Peru, Ind. HANNA, Richard (WJ) Hartford, N. Y. (General Electric Co.) HANNEKEN, Henry P. (G) Mississippi Glass Co., 88 Angelica St. St. Louis 7, Mo. HANNON, Richard C. (MI) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HANOVIA CHEMICAL & MFG. CO. (R. T. Hopper) One W. Central Ave. East Newark, N. J. HANSARD, W. Carey (WI) 2345 Cheshire Bridge Rd., N. E. Atlanta, Ga. (Georgia Institute of Technology) HANSELL, U. G. (W) Honeywell Research Center 500 Washington Ave., S. Hopkins, Minn. HANSEN, I. A. (W) Fords Porcelain Works Perth Amboy, N. J. HANSEN, 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, Ohio HANSEN, Kenneth H. (M) 507 Edgewood Ave., Columbia, Mo. (Consolidated Feldspar Dept.,. International Minerals & Chemical Corp.) HANSEN, Valdemar Kastrup Glasvaerk Ltd. Norrevoldg. 12, Copenhagen K, Denmark HANSEN, Waldemar C. (R) Universal Atlas Cement Co. Gary (Buffington Station), Ind. HANSON, Hans R. (R) 30004 W. Ten Mile Rd. Farmington, R.R., Mich. (Hanson Co.) Roster 27 'Uft'fMSOineNr,alJaWmeelslsWC.lay(SP)roducts, Inc. Bo* 92, Mineral Wells, Texas '^RBERT. Carl J. (W) f Harshaw Chemical Co., 1945 E. 97th St. Cleveland 6, Ohio jiRBISON-WALKER ^REFRACTORIES CO. iA. Brashares) It Farmers Bank Bldg. Pittsburgh 22, Pa. jARCOURT, Edward L. (M) . North American Mfg. Co. 3810 West St., Cincinnati 27, Ohio jARDER, Charles M. (DF) - State University of New York College of Ceramics, Alfred, N.Y. jARDING, John Roy 4 Greenway, Horsham, Sussex, England (Sussex & Dorking United Brick Co., I Ltd.) jARDINGE CO- INC. (Harlowe Hardinge) York, Pa. {ARDINGE, Harlowe (M) Hardinge Co., Inc., York, Pa. jARDY, Ronald G. (SI) Onondaga Brick Corp., Warners, N. Y. iARES, George B. (G) 15 Roosevelt St., Coming, N. Y. (Coming Glass Works) (ARGREAVES, John 33 Ellers Ave. Bessacarr, Doncaster, England (United Steel Co., Ltd.) IARKER POTTERY CO. (Robert E. Boyce) East Liverpool, Ohio {ARMAN, C. G. (WF) Horizons, Inc., 2891 E. 79th St. Cleveland 4, Ohio {ARNISH, John D,, Jr. (WI) Westinghouse Electric Corp. Derry, Pa. IARPER, J. Fletcher (W) Globe-Union Inc., 900 E. Keefe Ave. >'" -'aukee 1, Wise. 1A1 it, Roderick L. (M) Harper Electric Furnace Corp. 39 River St., Buffalo 2, N. Y. IARPER, Wallace T. (BJ) 1645-D 16th St., Los Alamos, N. M. (Los Alamos Scientific Laboratory) ARR, W. J. (WI) 6454 Bloomingdale, Chicago 35, 111. (Meyercord Co.) iARRELL, George O. (D) Canada Brick, Ltd. Streetsville, Ont., Canada iARRINGTON, Henry W. (G) 132 Stafford Ave., Syracuse 6, N. Y. (Solvay Process Div., Allied Chemical & Dye Corp.) iARRIS CLAY CO. (Scroop W. Enloe, Jr.) Spruce Pine, N. C. iARRIS, David H. (W) Shenango China, Inc., New Castle, Pa. iARRIS, George M. (G) 27 Melvin Ave., Iselin, N. J. (Hanovia Chemical & Mfg. Co.) IARRIS, Henry M. (R) 4114 42nd St., Seattle 18, Wash. (U. S. Bureau of Mines) 'ARRIS, James E. (S) 4685 S. Sherman, Denver, Colo. (Robinson Brick & Tile Co.) 'ARRIS, Joe N. 412 Florida Ave., S. E. Atlanta 16, Ga. ARRIS, Ransom S. 124 Brooks Ave., Raleigh, N. C. 'ARRtc William J. (M) C iy Machine Co., 301 Monmouth St. . 1- on 9, N. J. ;ARRISON, Harold C. (W) 235 Webster Park, Columbus 14, Ohio (Westinghouse Electric Corp.) L. 34, No. 10 (1955) HARRISON, William B. (BI) S325 W. Hadley St. Milwaukee 10, 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, John R. (W) 599 Lexington St., Waltham, Mass. (Raytheon Mfg. Co.) 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. New Castle, Staffs, England HARTMAN, F. Henry (G) Stouffville, Ont., Canada (Crystal Glass & Plastics Ltd.) HARTSHORN, T. D. (El) A. J. Lindemann & Hoverson Co. Milwaukee 15, 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. Pomona, N. C. HARVEY, Joseph S,, Jr. (G) Raytheon Mfg. Co., 465 Centre St. Quincy 69, Mass. HASKO, Stephen (WI) 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. (W) 3344 Skyline Dr., Knoxville 14, Tenn. (Knox Porcelain Corp.) HATCH, Robert A. (B) 4135 N. Belleview Ave. St. Paul 10, Minn. (Minnesota Mining & Mfg. Co.) HATHAWAY, A. J. (R) 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) HAUBEIN, Wendell L. 708 W. 12th St., Rolla, Mo. HAUCK, Charles A. (RI) 3234 Kenyon Rd., Columbus, Ohio (Ohio State University Research Foundation) HAUSER, Richard E. (I) 351 Moselle St- Buffalo 11, N. Y. HAUTH, Willard E., Jr. (B) 409 Warminster, Hatboro, Pa. (International Resistance Co.) HAVEKOTTE, Walther L. (R) Firth Sterling, Inc. 3113 Forbes St., Pittsburgh 30, Pa. HAVELL, Richard F. (W) 846 N. Euclid Ave., Oak Park, 111. (Eagle Grinding Wheel Co.) HAVENS, Irvin F. 2340 Norton Dr., Augusta, Ga. HAVILAND & CO- INC. (Theodore Haviland II) 270 Park Ave. New York 17, N. Y. HAVILAND, Theodore II (W) Haviland & Co., Inc., 270 Park Ave. New York 17, N. Y. HAWES, Samuel A. (S) 301 N. E. Sixth Ave. Mineral Wells, Texas (Texeramics Co.) HAWK, Elwin A. (M) Hawk Laboratories, Inc., R.R. 1 East Rochester, Ohio HAWKE, C. E. (R) Carborundum Co., Niagara Falls, N. Y. HAWKINS, Robert J. (SI) 20 Sunnyside PI., Hamburg, N. Y. (Buffalo Brick Corp.) HAWKS, Ralph L. (WI) 11 Holt St., Hopkinton, Mass. (Stylon Corp.) HAWKS, William L. (R) 48 Qiester Circle, Apt. 2A New Brunswick, N. J. (Sayre & Fisher Brick Co.) HAWS REFRACTORIES CO. (E. E. Slick, Jr.) 407 Main St. Johnstown, Pa. HAY, John Box 204, Alfred, N. Y. HAY, Joseph L. (R) Acme Brick Co., Box 448 Malvem, Ark. HAYDON, Mary P. (B) 106 Ogontz Lane, Oak Ridge, Tenn. (Oak Ridge National Laboratory) HAZEL-ATLAS GLASS CO. , (Francis C. Flint) 15th & Jacobs Sts., Wheeling, W. Va. HAZEL, John J. (RF) Republic Bldg., Rm. 1526 Republic Steel Corp., Cleveland 1, Ohio HAZEN, E. J. (GI) R.R. 2, Ford City, Pa. (Pittsburgh Plate Glass Co.) HEALY, James H. (E) 4511 N. Sherman Blvd. Milwaukee 16, Wise. (A. O. Smith Corp.) HEATH, Donald L. (B) Ohio Brass Co., Park & Ninth Barberton, Ohio HEATLEY, Sidney M. (R) Box 475, Moncks Corner, S. C. (Babcock & Wilcox Co.) HECK, Frank G. (R) E. J. Lavino & Co., 3 Penn Center Plaza Philadelphia 2, Pa. HEDDELL, James V. (MI) 228 Dorado St., Ridgecrest, Calif. (Gladding, McBean & Co.) HEDDEN, Walter A. (G) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio HEDGES, Lee M. (R) R.R. 4, Cedar Grove Rd. Somerville, N. J. (Johns-Manville Products Corp.) HEDGPETH, James A. (S) Borden Brick & Tile Co., Box 1771 Durham, N. C. HEDIN, Claes Olof c/o Malardalens Tegelbruk Stockholm 3, Sweden HEDQUIST, Alfred J. (W) Apartado Postal S25 Guadalajara, Jalisco, Mexico (Loza Fina S. A.) HEEBNER, John C. (RI) 88 Pierce Rd., Watertown 72, Mass. HEFTI, Franz Zurcher Ziegeleien, Postfach 357 Zurich 1, Switzerland Roster 29 sIDTMAN, Clarence E. (G) National Lime & Stone Co. First National Bank Bldg. Findlay, Ohio ILIGMAN, H. A. (RFI) E. J. Lavino & Co., Box 29 v istown, Pa. '.I. )ETH, Werner M. Faioenfabriken Bayer Aktiengesellschaft (22c) Leverkusen-Bayerwerk, Germany '.INDL, Raymond A. (RF) 4917 43rd St., N. W. Washington 16, D. C. (National Bureau of Standards) INE, H. W. (S) Hudson Supply & Equipment Co. 1727 Pennsylvania Ave., N. W. Washington 6, D. C. ISCHMAN, Fred E. (W) 106 S. Adams St., Fostoria, Ohio (Electric Auto-Lite Co.) LLER, Enrique % Cerro de Pasco Corp. La Oroya, Peru LLIESEN, Richard O. 3011 Harview-Ave., Baltimore 14, Md. LM, David F. (B) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. LMKAMPF, R. N. (G) Laclede-Christy Co. 2000 Hampton Ave., St. Louis 10, Mo. LSER, Perry D. (WFI) Box 674, St. Petersburg 1, Fla. (Consultant) Jt, Annin W. (W) 20 Maryland Ave., Gaithersburg, Md. (U. S. Geological Survey) MBERG, Per Surte Glasswork, Surte, Sweden MPHILL, R. W. (W) Colonial Insulator Co., 94S Grant St. Ak ,11, Ohio MS /ER, Samuel E. (El) R.R. 2, Windsor, Vt. (Consulting Engineer) MBY, E. B. (M) National Engineering Co. Simpson Mix-Muller Divr S49 W. Washington Blvd. Chicago 6, III. JDERSON, Frederick C. (WFI) Royal China, Inc., Sebring, Ohio 4DERSON, James L., Jr. (S) Robinson Ventilating Co. Zelienople, Pa. IDERSON, William W. (W) Robinson Ventilating Co., Box 217 Zelienople, Pa. <DREN, Robert R. (RI) 105 Bank Ave., Riverton, N. J. (Hoeganaes Sponge Iron Corp.) fDRYX, Dwight B. (S) Dwight B. Hendryx & Associates 6621 Darlington Rd., Pittsburgh 17, Pa. INESSY, G. Gordon (M) Titanium Pigment Corp. 1376 River Ave., Pittsburgh 12, Pa. *RAR. J. M. G. N. V. Porselein en Tegelfabriek MOSA MAASTRICHT Mcerssencrweg Maastricht, Netherlands *RY, Edward C. (XFI) 1121 Westmoreland Ave. Syracuse 10, N. Y. (General Electric Co.) (RY, Frank R. (RF) Simonas Worden White Co. S it St. & Negley PI. Pn. ., Ohio *RY, Georges Dtrecteur General a/a Union des Verreries Mecaniques "lses, 29, Quai de Brabant ~aarleroi, Belgium 34, No. 10 (1955) HENRY, Kenneth M. (GF) Owens-Illinois 1700 N. Westwood Ave., Box 1035 Toledo 1, Ohio HENSLER, J. R. (G) Chemical Research Lab. Bausch & Lomb Optical Co. Rochester 2, N. Y. HENSON, Charles W. (R) Norton Co., Worcester 6, Mass. HENWOOD, Reginald J. (R) 9444 Lynnhaven Rd. Cleveland 30, Ohio (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. (W) 4647 W. 150th St., Cleveland 11, Ohio (Brush Electronics Co.) HERGER, Howard C. (G) Pierce Glass Co., Port Allegany, Pa. HERKO, Edward (GI) 392 Magee Ave., Rochester 13, N. Y. (Bausch & Lomb Optical Co.) HERMANN, James L. (W) 3288 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 Co. Cherokee Station, Box 5 Louisville 5, Ky. HERRON, Robert H. (R) 1634 N. Ironwood Dr., South Bend, Ind. (Bendix Products Div.) HERTZELL, E. A. (S) 1111 Chestnut St., Dover, Ohio (American Vitrified Products Co.) HESS, F. B. (G) Brockway Glass Co., Inc. Brockway, Pa. HESS, Robert L. (R) 44 Hess Blvd., Lancaster, Pa. (Armstrong Cork Co.) HESSINGER, Philip S. (BJI) 330 Clinton St., Apt. C Columbus 2, Ohio (Ohio State University Research Foundation) HEUER, Russell P. (RF) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. HEWITT, Arthur E. W. T. Copeland & Sons Ltd. Spode Works, Stoke-on-Trent, England HEWITT, L. C. (RFI) Ironton Fire Brick Co., ironton, Ohio HEWLETT, James Thomas (E) Ingram-Richardson, Inc. Frankfort, Ind. HICKS, James C. (B) 27550 Edgerton Rd., Los Altos, Calif. (Kaiser Aluminum & ChemicaLUorp.) HICKS, John F. G. (G) 131 Thompson Dr., Painted Post, N. Y. (Corning Glass Works) HICKS, Robert G. (E) 608 21st, Bettendorf, la. ... ^ (Herman Nelson Div., AAF) HIGGINS, Ray (W) 191 Overlook Ave., Wadsworth, Ohio (Ohio Brass Co.) HIGGINS, Waldo W. (EFI) 655 S. Harrison Ave., Kankakee, 111. (A. O. Smith Corp., Permaglas Div.) HIGGS, Harold P. (B) 165 Front St., Chicopee, Mass. (F. W. Sickles Co.) HIGMAN, JOHN W., CO. (Robert J. Stone) 24 State St. New York 4, N. Y. HILDEBRAND, David (W) Box 963, Alfred, N. Y. HILL, Dudley A. (M) 434 Crestwood Ave., Hackensack, N. J. (Kearfott Co., Inc.) HILL, Ercell C. (SF) 109 Morton Ave., Apt. 5 Ridley Park, Pa. HILL, John R. (S) 403 Edgewater Apts. Charleston, W. Va. (Charleston Clay Products Co.) HILL, Lawrence I. (G) 507 Carver Blvd., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) HILL, Robert G. Box 63, Florence, S. C. HILLING, James L., Jr. 129 Maple Ave., Altoona, Pa. HINCKLEY, Arthur T. (R) Oldbury Electro-Chemical Co. Niagara Falls, N. Y. HIND, Stanley "The Mount," Etruria Rd. Basford, Stoke-on-Trent, England (Consulting Engineer) HINDES, Stanley V. (M) 88 Union Aye., Pittsburgh 5, Pa. (Pemco Corp.) HINES, Robert A. (B) 8729 Radley Ct., Brentwood 17, Mo. (Missouri Portland Cement Co.) HINKINS, E. A. (G) Tygart Valley Glass Co., Box 503 Washington, Pa. HINTZE, Wollmar W:son Agatan 12, Bromolla, Sweden (A. B. Ifoverken) HIRSSIG, Carl F. (G) 1210 Fort St., Maumee, Ohio (National Lime & Stone (Jo.) HISCOCK, Harley J. (R) Fuller Merriam Co., Box 69 West Haven, Conn. HITCHINS, R. A. (R) National Refractories Co., Inc. 17th Floor, Lewis Tower Bldg. 225 S. 15th St., Philadelphia 2, Pa. HITNER, Jan K. (R) Zonolite Co., Box 217 Travelers Rest, S. C. HITZEMAN, Roger L. (WI) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. HOARE, Henry A. (W) 2655 Sharondale Dr., N. E. Atlanta, Ga. (Georgia Sanitary Pottery, Inc.) HOBSON, Joe P. (S) Acme Brick Co., Box 425 Fort Worth 2, Texas HOCKING, William J. (W) 1612 Pennsylvania Ave. East Liverpool, Ohio (Hall China Co.) HODGDON, Frank B. (B) Box 44, Station B, Toledo 6, Ohio (Owens-Illinois) HODGES, Leslie R,, Jr. Box 4409, Atlanta, Ga. HODSON, George N. The Hall, Wymeswold Nr. Loughborough, England (Hathernware, Ltd.) HODSON, Jean E. R. R. 4, Box 85, Bothell, Wash. HOEHL, Joseph W. (E) Wolverine Porcelain Enameling Co. 3350 Scotten Ave., Detroit 10, Mich. HOELSCHER, Max W. (E) S010 Mayfield Rd., Lyndhurst 24, Ohio (Enamel Products Co.) HOENIG, Clarence L. University of Illinois Dept, of Ceramic Eng., Rm. 204 Urbana, 111. HOFFMAN, Carl R. (G) 1308 Seventh St,, Moundsville, W. Va. (Fostoria Glass Co.) Roster 31 [AN, Sidney C. (G) * $ Lindy Lane, Lexington, Ky. Ivania Electric Products, Inc.) AN, Willard H. J. (M) iingarrie Rd., Baltimore 28, Md. no1-'' -Id Sand & Feldspar Corp.) H We R. (G) Z. ..eaton Co., Millville, N. J. ETTER, G. W. (E) ro Corp., 336-338 N. Central Ave. ago 44, 111. , Thomas W. (W) tridge China Co. 380 S. Raymond Ave. idena 1, Calif. DOBLER, H. R. (G) :in-Bacon Manufacturing Co. L Fiberglas Rd., Kansas City, Kans. rSON, William (E) ago Vitreous Corp. 5 S. 55th Court, Cicero 50, 111. \NN, Frederick R. (G) 3 Parkview Ave. / Kensington, Pa. rtsburgh Plate Glass Co.) NER, Irwin K.' Pat Lane, Fairborn, Ohio Barton A. (S) an Clay Products Co., Logan, Ohio Barton S. (SI) E. Main St., Logan, Ohio gan Clay Products Co.) Y, Kenneth E. (R) Pritchard Ave., Corning, N. Y. raing Glass Works) :s, Gregory J. gers University, 78 Easton Ave. v Brunswick, N. J. IS, John M. (S) N. Steel St., Sanford, N. C. :e Brick & Tile Co.) iS, Lyle A. (M) Pit \ Rd., Rosslyn Farms ne, Pa. .eat takes Foundry Sand Co.) iS, Roland G. (S) S. Dickey Clay Mfg. Co., Box 402 :sburg, Kans. 3UIST, Stig B. "bison-Walker Refractories Co. s Lab., Pittsburgh 7, Pa. 5TROM, Joseph H. (RI) II Washburn Ave., S. omington 20, Minn, aieral Refractories Co.) :HER, H. H. (GF) ens-Illinois, Technical Center *0 N. Westwood Ave., Box 1035 ledo 1, Ohio T. Tage akelvej lo, Kongens Lyngby, Denmark orcelnsfabriken Danmark A/S) SRHOFF, A. Gray (M) tional Sales Corp. 7 E. Fourth St., Cincinnati 2, Ohio MAN, George R. (G) dlon Institute, 4400 Fifth Ave. rtsburgh 13, Pa. tEL, E. M. (EF) Hommel Co., Box 475 rtsburgh 30, Pa. MEL, O., CO. (E. M. Hommel) '* 475, Pittsburgh 30, Pa. BERG, Werner (W) Jsrtado 508, Mexico D. F., Mexico sbrica de Loza El Anfora, S. A.) Clyde (G) eds & Northrup Co. E. '07th St. f! Ohio ?. Ha. _o0n p. (GF) ? Helevan Ave., Corning, N. Y. -nting Glass Works) ^LeRoy S., Jr. (I) r* Snowhill Dr., Apt. 6 ??onati 37, Ohio |p> No. 10 (1955) Is HOOP, M. C. v. d. N. V. Royal Delft Ware Manufactory v/h Joost Thooft & Labouchere Rotterdamseweg 196, Delft, Holland HOOPER, Bradford (R) 5 Point O'Woods Lane, Darien, Conn. (Babcock & Wilcox Co.) HOOTON, Norris A. R. R. 2, New Carlisle, Ind. HOOVER, Charles H. (R) 609 Wilton Rd., Towson 4, Md. (General Refractories Co.) HOPKINS, Robert W. (GI) Calumite Co., Box 151 Hamilton, Ohio HOPPER, R. T. (D) Hanovia Chemical & Mfg. Co. 1 W. Central Ave., East Newark, N. J. HORAK, William (RFI) 223 Raymond Rd. West Hartford 7, Conn. (Hartford Empire Div., Emhart Mfg. Co.) HORNFISCHER, Harvey W. (W) 377 W. Brockton, Royal Oak, Mich. (Champion Spark Plug Co.) HORNING, Roy A. (GFI) Armstrong Cork Co., Lancaster, Pa. HORNUNG, Martin R. (WI) 140 E. Sheridan Ave., New Castle, Pa. (Shenango China, Inc.) HORTON, Paul B. (WI) Locke Dept., General Electric Co. Box 57, Baltimore 3, Md. HOSSENLOPP, Arthur M. (WI) 28 Kendall Ave., Maplewood, N. J. (Henry L. Crowley & Co., Inc.) HOSTETTER, J. C. (GFI) 1561 Dale Ave., Winter Park, Fla. (Consultant) HOUCHINS, Henry R. (W) Carborundum Co., Niagara Falls, N. Y. HOUDESHELL, Robert J. (M) 215 Basswood Ave., Apt. B Dayton 5, Ohio (International Clay Machinery Co.) HOUGHTON, Amory (G) The Knoll, Corning, N. Y. (Corning Glass Works) HOULAHAN, R. C. (S) Builders Brick Co. 3800 Ninth Ave., S., Seattle, Wash. HOUSE, Roger L. Box 787, Alfred, N. Y. HOUSMAN, George S. (R) Box 17, Norristown, Pa. HOUSTON, M. Dean (R) 507 Linden Rd., Eastview Terrace University Park, Pa. HOUZE, Armand L., Jr. (G) Houze Glass Corp., Point Marion, Pa. HOWARD, Harold B. 131 Jersey Lane, Clemson, S. C. HOWAT, Walter L. (DF) Walter Howat Decorative Ceramics 85 Hopping Ave., Staten Island 7, N. Y. HOWATSON, John (G) Box 248, Big Flats, N. Y. (Corning Glass Works) HOWATT, Glenn (W) Bldg. 6-B, Apt. 3, Redfield Village Metuchen, N. J. (Glenco Corp.) HOWE, Elroy E. (EFI) Chicago Vitreous Corp. 1425 S. 55th Court, Cicero 50, 111. HOWER, Lawrence D., Jr. (RI) Raybestos Div., 75 E. Main St. Stratford, Conn. HOWER, R. S. (BI) Allen-Bradley Co. 136 W. Greenfield Ave. Milwaukee 4, Wise. HOWIE, Thomas W. Campbell & Co. (Roughcastle) Ltd. Roughcastle Works, Falkirk, Scotland HOYET, Eugene (G) R. R. 2, Box 332, Tarentum, Pa. (Pittsburgh Plate Glass Co.) HSU, Ku-hua 1, King's Terrace, 1st Floor Kowloon, Hongkong, B.C.C. (Kiu Foong Enamel Factory (H.K.) Ltd.) HUBBELL, Dean S. (E) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. HUBER, George S. (E) 314 Overbrook Rd., Baltimore 12, Md. (Pemco Corp.) HUBER, Harold V. (G) 1300 Rancho Rd., Arcadia, Calif. HUBER, J. M., CORP. (H. F. Jones, Jr.) 100 Park Ave. New York, N. Y. HUBER-WARCO CO. AMERICAN CLAY MACHINERY DIV. (W. H. Merkel) Bucyrus, Ohio HUDSON, Charles J. (R) 74 Newton St., West Boylston, Mass. HUDSON SUPPLY & EQUIPMENT CO. (H. W. Heine) 1727 Pennsylvania Ave., N. W. Washington 6, D. C. HUETTIG, Fred R. (WI) 21-B-3 Redfield Village Metuchen, N. J. (General Ceramics & Steatite Corp.) HUFFCUT, Harold W. (G) Westinghouse Electric Corp. Electronic Tube Div., Box 284 Elmira, N. Y. HUGHES, George B. (E) 236 Indiana Ave., Dayton 10; Ohio (Frigidaire Div., General Motors Corp.) HUGHES, Walter M.'.(WI) 534 Putnam Ave., Zanesville, Ohio (Chicago Standard Transformer Corp.) HUI, William L. C. (G) Radio Corp. of America, Tube Div. Marion, Ind. HUKE, Frank B. (R) Norton Co., One New Bond St. Worcester, Mass. HULL, J. Brannon (W)' Hull Pottery Co., 327 Amerine St. Crooksville, Ohio HULL POTTERY CO. (J. Brannon Hull) 327 Amerine St. Crooksville, Ohio HULSE, Charles O. 2240 Dwight Way, Berkeley 4, Calif. HUME, George W. (B) General Electric Co., General Eng. Lab. Schenectady, N. Y. HUMENIK, Michael, Jr. (B) 28477 Parkwood Dr., Inkster, Mich. (Ford Motor Co.) HUMMEL, Floyd A. (B) College of Mineral Industries Pennsylvania State University University Park, Pa. HUMMEL, Richard <G) 615 Olympia Rd., Pittsburgh 11, Pa. (Harshaw Chemical Co.) HUMMEL, Roy (W) 4318 Grantley Rd., Toledo 13, Ohio (Champion Spark Plug Co.) HUMPHREY, Richard A. (W) Mycalex Corp. of America Clifton Blvd., Clifton, N. J. HUMPHRYES MANUFACTURING CO. (D. J. Jones) 201 E. Fifth St. Mansfield, Ohio HUND, George J. (W) Columbia Dr., Chester, W. Va. (Taylor, Smith & Taylor Co.) HUND, Ralph (R) Speer Carbon Co., Theresia St. St. Marys, Pa. HUNGERFORD, R. M. (X) Claybum Co., Ltd., 850 W. Hastings St. Vancouver 1, B. C., Canada HUNT, Charles W. (M) . . 154 Vincent St,, Chagrin Falls, Ohio - (Certain-Teed Products'Corp.) Roster 33 t; i- ffljNT, Herbert J. (G) Kimble Glass Co.; Vineland, N. J. flUNT, John F. (MI) Pacific Northwest Alloys, Inc. Box 825, Coquille, Ore. jjUNTER, Charles E. (M) Box 430, Erwin, Tenn. Consolidated Feldspar Dept., Iternational Minerals & Chemical Corp.) HUNTING, Everett C. (BI) 2030 Grove St., Berkeley 4, Calif. (Microchemical Specialties Co.) flUPPERT, Paul A. (El) 414 Randolph Rd., Plainfield, N. J. (General Ceramics Corp.) flURD, Burgess M. (W) 3 Windy Crest Rd., Beaver Falls, Pa. (Ceramic Color & Chem. Mfg. Co.) HURLEY, Robert C. (SJ) 345 Third St., S. W. Medicine Hat, Alta., Canada (Medicine Hat Brick & Tile) 0URLEY, Robert E. (B) 469 Camden Ave. Moorestown, Burlington County, N. J. (RCA Victor) 0URSH, Ralph K. (XFI) University of Illinois, Urbana, 111. HURST, Erwin J. (W) General Ceramics Corp. Plant 3, Research Dept. Keasbey, N. J. HURST, Thomas L. (R) Monsanto Chemical Co. Columbia, Tenn. HUTCH, Herbert T. (W) 103 Woodbine Ave. Newark 6, N. J. (Pinover Publications) HUTCHISON, Clark (EFI) 709 E. Armstrong St., Frankfort, Ind. (Ingram Richardson, Inc.) HUTCHISON, R. C. (RI) 2133 Newton Ave., Bethlehem, Pa. 'ethlehem Steel Co.) H j, Glenn A. (E) 19629 Scottsdale Blvd. Shaker Heights 22, Ohio (Ferro Corp.) HUTT, Gordon M. (R) Canadian Pacific Railway 703 Windsor Station Montreal 3, Que., Canada HUYCK, L. G. (E) Huyck Construction Co. 1861 DeCook Ave., Park Ridge, 111. HYATT, Edmond P. Dept, of Ceramics, University of Utah Salt Lake City, Utah HYDE, Collin (RI) 581 Oxford St., Worthington, Ohio (Battelle Memorial Institute) I HYLAND, J. A. (M) { Pacific Coast Borax Co. j 2295 Lumber St., Chicago 16, 111. j HYNES, Frank J. (WI) J Oxbow Rd., Wayland, Mass, j (Raytheon Mfg. Co.) jHYOLLE, Andre i Societe Generale de Carrelages 37, rue Leon Blum Feignies (Nord), France HYSLOP, Joseph F. "Dromore," Major's Loan Falkirk, Scotland (J. G. Stein & Co., Ltd.) 1 1ANDER, J. Richard (M) Pacific Coast Ceramic News 509 S. Beverly Dr. erly Hills, Calif. ICI :WA, Yoshio 229 Valley Ave. Wahiawa, Oahu, Hawaii IHRIG, Allen C. (G) 127 Corning Blvd., Coming, N. Y. (Corning Glass Works) Vol. 34, No. 10 (1955) ILES, Ramon R. (G) 2223 St. James Ct., Owensboro, Ky. (General Electric Co.) ILIFF, Fred K. (W) Harshaw Chemical Co. Jackson & Swanson Sts. Philadelphia 48, Pa. ILLING, Arno M. (W) 5412 Laconia, Cincinnati 37, Ohio (Cambridge Tile Mfg. Co.) ILLINOIS CLAY PRODUCTS CO. (Howard F. West) 68 N. Chicago St. Joliet, 111. ILLYN, Alexis V. 183 Bevier Rd., University Heights New Brunswick, N. J. IMHOFF, Edward J. (M) United States Glass Co. Glassport, Pa. IMMEDIATO, Robert R. (WJI) Sprague Electric Co., Nashua, N. H. IMPERIAL GLASS CORP. (C. J. Uhrmann) Bellaire, Ohio INDIANA GLASS CO. Dunkirk, Ind. INDIAN CERAMIC SOCIETY (H. N. Roy) Dept, qf Ceramics Benares Hindu Univ.. Benares, India INDUSTRIAL CERAMIC PRODUCTS, INC. (C. R. Oberst) 965 W. Fifth Ave., Columbus 8, Ohio INGERSOLL, Harry (E) Anaheim & Henry Ford Ave. Wilmington, Calif. (Pemco Corp.) INGHAM, David (M) 2794 St. Clair Ave. East Liverpool, Ohio (H. B. Henderson & Co.) 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. INTERNATIONAL CERAMIC MINING, LTD. (C. W. Kitching) 577 Eglinton Ave., W. Toronto 12, Ont., Canada 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 INTERNATIONAL MINERALS & CHEMICAL CORP., CONSOLIDATED FELDSPAR DEPT. (H. B. DuBois) Erwin, Tenn. IRONTON FIRE BRICK CO. (J. H. Rickey, Jr.) Box 536 Ironton, Ohio IROQUOIS CHINA CO. (Robert E. Anderson) 2320 Milton Ave., Syracuse 9, N. Y. IRVINE, George C-.(MI) Canadian Carborundum Co., Ltd. Niagara Falls, Ont., Canada IRWIN, Joseph T. (E) 1618 Elmwood Ave., Lakewood 7, Ohio (Consultant) IRWIN, Philip P, (W) Potters Supply Co. Fast 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.) 1SAGAWA, Jun Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan ISENHOUR, C. W., Jr. (S) Isenhour Brick & Tile Co., Box 1249 Salisbury, N. C. ISENHOUR, John H. (SF) 215 Confederate Ave., Salisbury, N. C. (Isenhour Brick & Tile Co.) ITO, Shozo Nippon Gaishi Kaisha, Ltd. 1, 2-Chome, Horita-dori, Mizuho-ku Nagoya, Japan ITSCHNER, Robert Tannenrauchstrasse 106 Zurich 38, Switzerland IVES, John B. (RI) 18 Standish St., Frostburg, Md. (Big Savage Refractories Corp.) 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 "Ashgrove," St. Andrews Ave. Bothwell, Lanarkshire, Scotland JACKSON, Mary A. . 486 Boynton Ave., Berkeley 7, Calif. 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.) JACOB, Bernard T. (RI) National Crucible Co. Mermaid Lane & Queen St. Philadelphia 18, Pa. JACOBI, James H. (E) Avco Manufacturing Corp. Crosley-Bendix Home Appliances Div. Dept. 474, Nashville 1, Tenn. JACOBS, Charles W. F. (W) 19 A Longmeadow Rd. Eggertsville 23, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) JACOBS, H. Box 117, Vereeniging Transvaal, South Africa 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. 241 Upson Lane, University Heights New Brunswick, N. J. JAFFE, Bernard (BI) 3363 Milverton Rd. Shaker Heights 20, Ohio (Brush Laboratories Co.) 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. Div. Koppers Bldg., Pittsburgh 19, Pa. JANKOWSKI, Charles. R. 16 Hakes Ave., Homell, N. Y. JANSMA, Frank (M) B. F. Drakenfeld & Co., Inc. Washington, Pa. JANSSEN, William F. (M) 15 Oak Ridge Rd., Basking Ridge, N. J. (BeU Telephone Labs.) Roster 37 ERS, Phillip E. (RJ) 3ox 125, Gardner, 111. General Refractories Co.) 'ERY, Benjamin A. (W) 3ox 32, Tumacacori, Ariz. / jpion Spark Plug Co., Zt. ics Div.) REY, G. H. (W) Roder Ceramic Studio, 1331 Race St. Philadelphia 7, Fa. NEK, James W. (BJI) 1203 Seventh Ave., Marion, la. KS, C. E. (M) W. S. Tyler Co. J615 Superior Ave., N. E. Cleveland 14, Ohio NINGS, James W. (E) Quaker Silver Co., Inc. North Attleboro, Mass. SEN, Edwin K. (E) 11071 Charlemagne, Detroit 5, Mich. (Briggs Mfg. Co.) PSON, George N. (RF) Norton Co., One New Bond St. Worcester 6, Mass. O, Parker (E) 119 Riverview Ct.--CMR 158 Peoria Heights, 111. (Caterpillar Tractor Co.) MERSON, James E. (X) Henderson Clay Products, Box 870 Henderson, Texas INS-MANVILLE SALES CORP. (J. C. Crawford, Jr.) 22 E. 40th St. New York 16, N. Y. [NS, William V. (W) Shenango China Inc., New Castle, Pa. INSON, Alexander H. H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth, West Australia INSON, Alton E. (WI) 4f N_ 53rd St., Milwaukee, Wise. ( 1-Union, Inc.) INbuII, A. L. (WF) Universal-Rundle Corp. W. Keith McAfee Lab., Box 1268 Mahoningtown, Pa. INSON, A. M. (R) Ross-Tacony Crucible Co. Robbins & Milnor Sts. Philadelphia 35, Pa. HNSON, Ben (SJ) Box 576, Waskom, Texas (Acme Brick Co.) HNSON, Boyd M. (R) Carborundum Co., Box 268 Perth Amboy, N. J. HNSON, David M. (BJ) 510 Southland Blvd., Louisville 14, Kv. (Corhart Refractories Co., Inc.) 'HNSON, 1st Lt. Delmar A. (G) QM School, Box 927, Ft. Lee, Ya. >HNSON, Earle K. (S) Eureka Brick & Tile Co. Box 338, Clarksville, Ark. NSON, Elwin L. 808 K W. Green St., Urbana, 111. NSON, Fred H., Jr. (S) Summitville, Ohio (Summitville Face Brick Co.) NSON, George E,, Jr. (RI) sGladding, McBean & Co., Box 630 "Pittsburg, Calif. NSON, Gordon H. (E) 24188 Gessner Rd. North Olmstead, Ohio . (Ferro Corp.) "HNSON, Harold C. (G) V }? Glass Works `g, N. Y. 0rNson, J. A. ; Service Engineers, Ltd., Leek New Rd ' Cobridge, Burslem jl Stoke-on-Trent, England l^NSon, James E. (XJI) 8fc5*23 Herrick Rd., Columbus, Ohio HP*. No. 10 (1955) JOHNSON, James R. (BI) 109 Newberry Circle, Oak Ridge, Tenn. (Union Carbide & Carbon) JOHNSON, LeRoy A. (E) 1206 Cleveland St., Evanston, 111. (Chicago Vitreous Corp.) JOHNSON, Paul V. (SF) Structural Clay Products Research Foundation, Geneva, 111. JOHNSON, William A. (E) 7269 Greenleaf Ave. Cleveland 30, Ohio (Ferro Corp.) JOHNSTON, J. G. Leeds Fireclay Co., Ltd. Wortley, Leeds 12, England JOHNSTON, James K. (M) R. R. 5, Hagerstown, Md. (Fairchild Aircraft Div.) JOLLEY, Robert W. (R) 10 Ox Bow Lane, Bloomfield, Conn. (Hartford-Empire Co.) JONES, Cecil M., II (R) 2814 Jordan St., Fleming Heights Augusta, Ga. (Babcock & Wilcox Co.) JONES, D. J. (W) Humphryes Mfg. Co. 201 E. Fifth St., Mansfield, Ohio JONES, Frank L. (G) Koppers Co., Inc., Box 128, Verona, Pa. JONES, H. F,, Jr. (W) J. M. Huber Corp., 100 Park Ave. New York, N. Y. JONES, Harlow G. (B) Mid West Abrasive Co. 510 S. Washington St., Owosso, Mich JONES, Howard E,, Jr. (R) 19150 Robson, Detroit 35, Mich. (Davis Fire Brick Co.) JONES, James M. 832 S. Vine St., Orrville, Ohio JONES, Maynard J. (E) Pfaudler Co., 1000 West Ave. Rochester 11, N. Y. JONES METAL PRODUCTS CO. (Edwin F. Mulligan) West Lafayette, Ohio JONES, Paul R. (X) West Virginia University Dept, of Chem. Engr. Morgantown, W. Va. JONES, Richard E. (R) Pittsburgh Plate Glass Co. Research Laboratory, Creighton, Pa. JONES, Robert O. (R) Standard Slag Co. Box 3, Gabbs, Nev. JONTZ, Melvin L. (M) United Clay Mines Corp. 5028 Alhambra Ave. Los Angeles 32, Calif. JORDAN, Duane R. (GJ) 220Belmont Ave., Oneida, N. Y. JORDAN, John N. (G) Consumers Glass Co. Ltd. Box 456, Station B. Montreal, Que., Canada JORDAN, John W. (M) Baroid Div., National Lead Co.r Box 1675, Houston 1, Texas JORDAN, R. E., Jr. (W) Mosaic Tile Co., Zanesville, Ohio JORDAN, Thomas B. (S) Mosaic Tile Co., 829 N. Highland Ave. Hollywood 38, Calif. JOSEPH, A. David (BJ) 105 Cumberland Ave., Verona, N. J. JOVA BRICK WORKS (J. L. Jova) Roseton, N. Y. JOVA, J. L. (S) Jova Brick Works, Roseton, N. Y. JOYNER, Bobby L. (W) Erie Resistor Corp., 644 W. 12th St. Erie, Pa. JUELSS, David (M) American Lead Pencil Co. 500 Willow Ave., Hoboken, N. J. K KADEY, Frederic L., Jr. (B) 1825 Quimby Lane, Westfield, N. J. (Johns-Manville Corp.) 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. (National Bureau of Standards) KAISER, Leonard F. (G) 332 E. Wayne St., Maumee, Ohio (Libbey-Owens-Ford Glass Co.) KAISER, William E. 143 E. Frambes Ave., Columbus, Ohio KALLUP, Charles, Jr. (RI) General Refractories Co. 3201 Fruitland Ave. Los Angeles 58, Calif. KALMAN, Frank R. (El) 2014 Baxterly Rd., Lakewood 7, Ohio (Pemco Corp.) KALOUSEK, George L. (G) 2633 Merrimac Blvd., Toledo 6, Ohio (Owens-Illinois) KAMICH, Barnet Z. (B) 11 Garwood St., South River, N. J. (Army Ordnance Corps) KANE, David W. (RJ) 307 Hillcrest Rd., Raleigh, N. C. KANE, John L. (W) 8457 Wicklow Ave., Cincinnati 36, Ohio (Cincinnati Milling Machine Co.) KARKHANAVALA, M. D. 239, Botawala Bldg., Tardeo Bombay 7, India (Atomic Energy Commission) KASSEES, John S. (B) American Testing Lab., Inc. Box 1421, Lancaster, Pa. KAST, Edward T. Box 847, Alfred, N. Y. KAST, Henry G. (SJ) 120 S. Orchard St., Logan, Ohio (Claycraft Co.) KASTEN, Vernon L. (WI) Three Oaks, Box 84, Jackson, Mo. (Ceramo Co. Inc.) KATZ, Joseph M. (WI) 625 E. Fifth St., Brooklyn 18, N. Y. KATZ, Sigmund (E) Orange Ceramic Lab. 17 Kenz Terrace, West Orange, N. J. KAUFFMAN, John R. (MFI) 160 Fairview Ave., Elmhurst, 111. (Tuttle & Kift, Inc., Subsidiary Ferro Corp.) KAUTZ, Karl (EFI) 24 Leon Rd., Pittsburgh 20, Pa. (Vitro Mfg. Co.) KAY, William T. (R) E. J. Bartells Co. 1212 Sixth Ave., S., Seattle 4, Wash. KAYLOR, William B. Key-James Brick Co., Alton Park Chattanooga, Tenn. KAYSER, Julius A. (R) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. KEANEY, J. C. (G) 1201 Banksville Rd., Pittsburgh 16, Pa. (National Lime & Stone Co.) KEARNEY, John P. (G) 2723 Densmore Dr., Toledo 6, Ohio (Kimble Glass Co.) KEBLER, Leonard (E) Ward Leonard Electric Co. Mt. Vernon, N. Y. KEEFER, George E. (G) Owens-Illinois, Technical Center 1700 N. Westwood Ave. Toledo 1, Ohio KEENER, Harry J. (B) General Color & Chemical Co., Inc. Box 7, Minerva, Ohio Roster 39 1/fENER, Harry T. [ R. R. 3, Minerva, Ohio ijrgJTH, Miss L. C. f Canadian Ceramic Societv 49 Turner Rd. Toronto 10, Ont., Canada klTK,, Wendell P. (RI) 1234 E. Marvista St., Whittier, Calif. |[W. P. Keith Co.) jLER, Francis Pfungen, Switzerland (Keller & Cie. A.G.) riJLLY, George D. (G) 1064 Neil Ave., Columbus 1, Ohio (Battelle Memorial Institute) tfLLY, Hal J. (R) ^ 6025 52nd N. E., Seattle S, Wash. (U. S. Bureau of Mines) flJLLY, John V. (R) ' Kaiser Steel Corp. Box 217, Fontana, Calif. : (gLLY, Joseph F. (R) 301 Braddock Ave., Lansdowne, Pa. (Naval Boiler & Turbine Lab.) Y, William J. (WI) Box 26S, Hondo, Texas (Universal-Rundle Corp.) ,SEY, V. V. (MF) Dominion Minerals Div., Riverton Lime & Stone Co., Inc. Piney River, Va. 3 [LSO, Marjorie P. 2 j 669 Coventry Rd., Berkeley 7, Calif. M JLTON, Stanton C., Jr. (G) Rohm & Haas Co., Bristol, Pa. P, John A., Jr. (W) 22509 Gaycrest Ave., Torrance, Calif. (American-Standard) i.JEMPF, William C. (RI) ' 28 Homer PI., Metuchen, N. J. \ (Carborundum Co.) NAGY, William L. (RI) 770 Fetters Mill Rd. Huntingdon Valley, Pa. (Simonds Abrasive Co.) DALL, Thomas A. (S) TTiversity of Kentucky liege of Eng., Lexington, Ky. ...^>RICK, Thomas B. (G) Lancaster Lens Co. 220-226 W. Main St., Lancaster, Ohio NEDY, Richard W. (W) |r Star Porcelain Co. Box 1329, Trenton 7, N. J. T, Joseph P. (WI) 247 Starr St., Brooklyn 37, N. Y. (Leviton Mfg. Co., Inc.) NT, N. Johnson (RI) Johns-Manville Sales Corp. 22 E. 40th St., New York 16, N. Y. "T, William B. (WI) W. S. George Pottery Co. .j. Canonsburg, Pa. ,, KENTUCKY CLAY MINING CO. y.l (W. J. Watkins) Mayfield, Ky. . ENTUCKY-TENNESSEE < 3 CLAY CO., INC. (Chester Gulick) .807 Qty Savings Bldg., Alliance, Ohio ^WORTHY, Orville O. (B) | I486 Arthur Ave., Lakewood 7, Ohio I. (Ferro Corp.) YYA KYANITE LTD. 28 Eccleston St. London, S. W. 1, England y ON, Clark (W) Frenchtown Porcelain Co. Frenchtown, N. J. KA, George M. (MI) "faun Corp., 1363 S. Bonnie Beach PI. fLos Angeles 54, Calif. HUNGER, Robert B. (RFI) enroll Clay Co. "Ox 56, Carrollton, Ohio JNS, M. P,, Jr. (E) flfer Chemical Co. 'ladison Ave., New York, N. Y. ^`v, Hans (R) /? Beaumont Ave., Baltimore 12, Md. tKerloid Corp.) 34, No. 10 (1955) KERPER, Matthew J. (BI) National Bureau of Standards Div. 9.3, Washington 25, D. C. KERR, Charles H. (GF) 2861 Chatsworth Blvd. San Diego 6, Calif. KERR, John M. 1008 S. Fourth St., Champaign, 111. KERR, W. Raymond (RFI) Armstrong Cork Co. Box 441, Beaver Falls, Pa. KERSHNER, William G. (WI) 117 S. 14th St., Olean, N. Y. (Olean Tile Co.) KESKI, James R. 8610 44th Ave., S., Seattle 18, Wash. KESTER, Ralph G. 1394 June Drive, Maumee, Ohio KIBLER, H. W. (W) Southern Potteries, Inc. Box 279, Erwin, Tenn. KIEHL, Harry R. (G) 223 Chemung St., Corning, N. Y. (Coming Glass Works) KIESOW, Paul F. (G) 243 Yi College Ave., Elmira Heights, N. Y. (Westinghouse Electric Corp.) KILGORE CERAMICS CORP. (D. H. Walkup) Box 1619 Kilgore, Texas KIMBLE GLASS CO. (H. R. Black) 1700 N. Westwood Ave., Toledo, Ohio KIMPEL, Robert F. (R) 1138 N. Alameda Ave., Azusa, Calif. (Aerojet General Corp.) KIMPTON, Dudley D. (G) 1607 W. Park Ave., Champaign, 111. (Anderson Physical Lab.) KING, Burnham W., Jr. (EFI) 316 Frontenac PI., Worthington, Ohio (Battelle Memorial Institute) KING, Charles B. (G) 189 Cedar St., Coming, N. Y. (Coming Glass Works) KING, Pvt. Harry M. (MJ) US26331036, 12th Field Hospital Fort Leonard Wood, Mo. KING, R. M. (EFI) Lord Hall, Ohio State Univ. Columbus 10, Ohio KING, Robert G. (W) 143 N. Center St., Grove City, Pa. (Vitro Mfg. Co.) KING, Robert M. 807 S. Victor, Champaign, 111. KING, Walter F. (M) 365 Arborlea Ave., Morrisville, Pa. (Shenandoah Silica Co., Inc.) KINGERY, W. D. (B) Ceramics Div., Mass. Inst, of Tech. Cambridge, Mass. KINSMAN, Bradley Q. (MJI) % Louis Bellanca 59 Bemis Ave., Homell, N. Y. KIRCHER, Paul J. (G) Maryland Glass Corp. 2147 Wicomico St., Baltimore 30, Md. KIRCHER, Wolfgang (22b) Eisenberg/Pfalz Tiefenthalerstr 16, Germany KIRCHNER, Henry P,, Jr. (B) Coming Glass Works, Coming, N. Y. KIRK, Edwin (W) U. S. National Museum Washington 25, D. C. KIRKENDALE, G. A. (SI) c/o American Embassy Tel-Aviv, (Mail Room) Dept, of State Washington 25, D. C. KIRKPATRICK, Frank (WFI) 840 Strand, Hermosa Beach, Calif. (Gladding, McBean & Co.) KITCHING, C. W. (E) International Ceramic Mining, Ltd. 577 Eglinton Ave., W. Toronto 12, Ont., Canada KLANE, Frank (G) Corning Glass Works, Corning, N. Y. KLAUS, Irving (W) 137 Winthrop Rd., Washington Park Nixon, N. J. (Permadent Products, Inc.) KLAUS, Sol C., Jr. (W) 50 S. Munn Ave., Apt. 804 East Orange, N. J. (Automatic Mfg. Corp.) KLEEMAN, Lee A. (R) Box 568, New Orleans 7, La. (Harbison-Walker Refractories Co.) KLEIN, Jonathan D. Massachusetts Institute of Technology Rm. 4-051, Cambridge 39, Mass. KLEKOTKA, Joseph F. (G) 3601 Reed St., Philadelphia 46, Pa. (Philadelphia Naval Base) ELEVENS, H. B. (G) Mellon Institute University of Pittsburgh Pittsburgh 13, Pa. KLEYMEYER, Clifford A. (S) Standard Brick & Tile Corp. 123 N. W. Fourth St. Evansville 8, Ind. KLIMAN, Morton I. 6 Sutton St., Mattapan 26, Mass. KLINE, Hugh L. (R) Corhart Refractories Co., Inc. 1600 W. Lee St., Louisville 10, Ky. KLINEFELTER, T. A. (RFI) Box 201, Norris, Tenn. (U. S. Bureau of Mines) KLOCKE, Edward J. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio KLOCKNER, Herman Richard (E) Universal-Rundle Corp. W. Keith McAfee Lab., Box 1268 Mahoningtown, Pa. KNAPP, Robert C. (W) 26 Virginia Ave., N. W. Glen Bumie, Md. (Locke Dept., General Electric Co.) KNAPP, Thomas E. (W) R. R. 3, Mission Meade Rd. New Castle, Pa. (Shenango China, Inc.) KNAPP, William J. (I) Institutt for Silikatforskning Norges Tekniske Hogskole Trondheim, Norway KNAUF, Mr. Deutsche Keramische Gesellschaft Poppelsdorferallee 15, Bonn, Germany 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.) KNIGHT, E. H. (S) Maurice A. Knight Sons Co. Box 150, Crooksville, Ohio KNIGHT, M. A., Jr. (S) Maurice A. Knight, "Knight-Ware" Box 111, Akron 9, Ohio KNIGHT, MAURICE A., "KNIGHT-WARE" (M. A. Knight, Jr.) Box 111, Akron 9, Ohio KNIGHT, Mellen A. (G) Minnesota Mining & Mfg. Co. 2301 Hudson Rd., St. Paul 6, Minn. KNIGHTON, Heywood J. (G) 834 Trombley Rd. Grosse Pointe Park 30, Mich. (Ford Motor Co.) KNIZEK, Jan Otto (R) Apartado 2739, Mexico, D. F. Mexico (Compania Mexicana de Tubos de Albanal, S. A.) KNOBLAUGH, Walter C. (RI) 512 N. Washington St., Tiffin 9, Ohio (Basic Refractories, Inc.) Roster 41 OPF. Eugene G. 14 Van Antwerp Bldg. Netherlands Village Schenectady, N. Y. UOWLES, EDWIN M., CHINA CO. * Newell, W. Va. IWLES, Philip S. (S) j 441 E. Buford Rd., Macon, Ga. 3 (Cherokee Brick & Tile Co.) ; BOWLES, William V. (EF) ;, 8905 Champlain Ave. - > Niagara Falls, N. Y. I (UOWLTON, Samuel H. (M) ' f 610 New Center Bldg., Detroit 2, Mich. j (Aluminum Co. of America) X biox, James J. (G) 5 Meinzer St., Avenel, N. J. : (Knox Laboratories, Inc.) i olUDSEN, Friedrich P. (BI) ; 1 4912 Crescent St., Washington 16, D. C. . (National Bureau of Standards) 4 plUDSEN, Rolf "ij j- Borgestad, P. A., Norway * ; (Borgestad Fabrikker) %UUTSEN, Eivind (R) 5 Western Refractories Co. Box 169, lone. Calif. [OCH, Daniel O. (B) E. I. du Pont de Nemours & Co., Inc. t Electrochemicals Dept. gj . . 71 Buckingham Ave. |j i" Perth Amboy, N. J. ||0CH, Frank A. (M) fl. j National Sales Corp. 307 E. Fourth St., Cincinnati 2, Ohio t[0CH, Renato 5 Direttore Stabilimento Tubi Elettronici i Marconi Italiana S.p.A. ] Via Pile, L'Aquila, Italy iOCH, William J. (WI) J P. R. Mallory & Co., Inc. J 3029 E. Washington St. W Indianapolis 6, Ind. jIANEK, Michel (R) 141 153rd St., S. E., Bellevue, Wash. ' (Gladding, McBean & Co.) IEHLER, W. A. (RI) Mineral Industries Bldg. West Virginia University Morgantown, W. Va. 'fOENIG, Charles Jacob (WFI) s Engr. Expt. Sta., Ohio State University id Columbus 10, Ohio -jOENIG, E. W. (M) Consolidated Feldspar Dept. ^ International Minerals & Chemical Corp. * Erwin, Tenn. Koenig, John h. (Wfi) ; Rutgers University School of Ceramics New Brunswick, N. J. tOENIG, L. C. (X) i Lindberg Engineering Co. : 2450 W. Hubbard St., Chicago 12, 111. jrrJOHL, Hans ^eer*>ac^lstr> Frankfurt A. M., Germany >5 (Degussa) -fJHLER, A. M. (R) Babcock & Wilcox Co. 161 E. 42nd St., New York 17, N. Y. HLER CO. (G. P. Gavin) 1 Kohler, Wise. ^ 'HN, Joseph (W) Universal Dental Co. 1 *8th & Brown Sts., Philadelphia 39, Pa. if^NE, Frank H. (W) 1700 Third Ave., New Brighton, Pa. Ceramic Color & Chemical Mfg. Co.) 'FSCHOTEN, H. G. P. 'Igemene Vereniging voor de Nederlandse Aardewerk en Glas Industrie Haagweg 139, Gijswijk, Netherlands '^AC, Thomas N. (R) ^Republic Steel Corp. |6100 Truscon Ave., Cleveland 25, Ohio * 34, No. 10 (1955) KONOP1CKY, Kamillo Forschungs-Institut Der Feuerfest-Industrie Helmholtfstrasse 25/27 Bonn, (Western), Germane KONOWITCH, Gilbert D. (RJ) 2003 N. 73rd Court Elmwood Park 35, 111. KONRAD, Howard E. (R) 41 Brookside Ave., Apt. 7-B Somerville, N. J. (Johns-Manville Corp.) KOOIJ, K. Chamotte Unie N.V. 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. KORA, Yosio 2 Chome, Katsuyama-Cho Yahata, Fukuoka, Japan (Kurosaki Fire Brick Mfg. Co. Ltd.) KOSHUBA, Walter J. (BI) 424 Hillcrest Dr., Wyoming 15, Ohio (General Electric Co.) KOWAL, Leo B. (G) Canadian Pittsburgh Industries, Ltd. 300 Blvd. St. Croix Ville St. Laurent, Que., Canada KOWALKA, Warren R. (G) Lifcbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio KRAFT, C. W. (S) Kraftile Co., Niles, Calif. KRAFT, Donald E. Co. A, 185th Signal Bn. Camp Polk, La. KRAFT, Maurice M. (G) Kraft Chemical Co. 917 W. 18th St., Chicago, 111. KRAFT, Ralph G. (B) 102 W. Chateau Place Milwaukee 17, Wise. (Allen-Bradley Co.) KRAFTILE CO. (C. W. Kraft) Niles, Calif. KRAMER, Irvin R. (R) 2 Bonnie Meadow Rd., Scarsdale, N. Y. (Mercast Corp.) KRAMER, William Meigs (G) Adamston Flat Glass Div., Rolland Glass Co. Box 631, Clarksburg, W. Va. KRANER, Hobart M. (BFI) Bethlehem Steel Co. Bethlehem, Pa. KREGER, John M. (R) Valentine Fire Brick Co. Div. A. P. Green Co. Woodbridge, N. J. KREHBIEL, Frederick H. (W) Accurate Pyrometric Cone Co. Pataskala, Ohio KREHBIEL, H. Orton (R) Accurate Pyrometric Cone Co. Pataskala, Ohio KREIDL, E. L. (G) A. D. Little, Inc. 30 Memorial Dr., Cambridge, Mass. KREIDL, Norbert J. (GF) 40 Milford Rd., Rochester 10, N. Y. (Bausch & Lomb Optical Co.) KRETSCHMAR, Ernest (G) Electro-Phos Slag Co. 101 S. Meramec Ave., Clayton 5, Mo. KREUER, Albert L. (M) Orefraction, Inc., 7425 Thomas St. Pittsburgh 8, Pa. KRIEGEL, W. Wurth (XFI) North Carolina State College Ceramic Engineering Div. Raleigh, N. C. KR1GER, Frederick S. (G) 148 E. Second St., Coming, N. Y. (Coming Glass Works) KRILL, Karl E. (B) Ohio State Univ., Res. Foundation Columbus 10, Ohio KROCHMAL, Jerome Jay (RJ) 4540 Brenau Ave., Dayton 9, Ohio (Wright-Patterson AFB, Ohio) KROECK, William H. (G) Coming Glass Works Box 544, Coming, N. Y. KROGSTIE, Lars Bernhard Fredrikstad, Norway (Norsk Teknisk Porselenfabrikk) KRONBERG, Marritt L. (B) General Electric Co., Research Lab. Schenectady, N. Y. KRONMAN, Samuel J. (WI) Carteret China Co. High St., Carteret, N. J. KRULL, Alan R. (B) Technological Institute Library Northwestern University Evanston, 111. KRUSON, Joseph H. (R) Box 358, Frostburg, Md. (Big Savage Refractories Corp.) KUECHLER, A. H. (RI) 1210 Lane Ave., Phoenixville, Pa. (A. P. de Sanno & Son, Inc.) KULCSAR, Frank (B) Brush Labs. Co. 540 E. 105th St., Cleveland 8, Ohio KUNZ, Joseph F. (G) 265 Roslyn St., Rochester, N. Y. (Bausch & Lomb Optical Co.) KUNZMAN, Edward E. (MI) 9185 E. Jaylee Dr., Temple City, Calif. (S. Paul Ward, Inc.) KURKJIAN, Charles R. Massachusetts Institute of Technology Rm. 4-030, Cambridge 39, Mass. KURTZ, Peter, Jr. 827 Second St., Apt. C. Santa Monica, Calif. KYANITE MINING CORP. (Gene Dixon) Cullen, Va. KYOKWAI, Yogyo Ceramic Assn, of Japan 7, Shiba-Nishikubo-Sakuragawacho Minato-ku, Tokyo, Japan KYONKA,.Joseph C. (WI) 5530 Terre Haute St., Madison 5, Wise. (Ceramic Arts Studio) L LABANSAT, M. Jacques Societe Professionnelle Des Produits Francais De Terre Cuite 23, me de Cronstadt, Paris XV, France LABORATORIO QUIMICO NACIONAL (Jorge Ancizar-Sordo) Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia LACHMAN, Irwin M. (I) 32 Pine Dr., Roosevelt, N. J. LACLEDE-CHRISTY CO. (W. L. Fabianic) 4705 Ridgewood Ave. St. Louis 16, Mo. LACONICH, Sixto Godofredo Porcelana Americana S. A. San Julian y Andes Lomas de Zamora, F.C.N.G.R. Argentina LADOO, Raymond B. (W) 42 Huntington Rd., Newton 58, Mass. (Consulting Engineer) LaFORGE, Louis H., Jr. (W) 764 Marion Ave., Palo Alto, Calif. (Stanford University) LAIRD, Charles (SI) Box 462, Holly Springs, Miss. (Holly Springs Brick & Tile Co.) LAIRD, Robert K. (E) American Radiator & Standard Sanitary Corp., Plumbing Div. 834 E. Broadway, Louisville 4, Ky. Roster 43 E, Robert V. (RJ1) nill Rd., Warren Tp. ifield, N. J. :rnational Nickel Co., Inc.) lal 'M) n ;, 1363 S. Bonnie Beach PI. An,, j 54, Calif. C. M. (MFI) ed States Gypsum Co. W. Adams St., Chicago 6, 111. *T, Joseph M. (G) on Institute, Pittsburgh 13, Pa. 5TSON, Wingate A. (BI) tute of Silicate Research ersity of Toledo do 6, Ohio J. M. (R) lay Clay Products Co. hington, Pa. ACK, Charles R. (W) or, Smith & Taylor Co. ter. W. Va. Benjamin M. tute of Silicate Research rersity of Toledo, Toledo 6, Ohio Jeorge J. (W) ir Plastic Kaolin Co. lr, Fla. iichard O. (WI) din Co., 2917 Wildwood Ave. son, Mich. George F. (G) -Lowrey Glass Co. 356, Baltimore 3, Md. Iichard L. (G) > Fuel Gas Co. 4. Fourth St., Zanesville, Ohio Samuel G. (E) twood Glass & Metals Co. 865, Martinsburg, W. Va. 5. M. (W) ! Braddock Rd., Oakview er Sr-mg, Md. tio- ureau of Standards) , Ja. M. (R) dehem Steel Co., Bethlehem, Pa. , Louis A. (M) istrial Heat Control Products Hawthorne Ave. :h Milwaukee, Wise. OD, Kasimir (W) Locust Terr, t Hempstead, N. Y. Ivania Electric Products Co.) TON, Robert B. versity of California rst Mining Bldg., Rm. 164 ieley 4, Calif. I, William S. (R) cock & Wilcox Co. Savannah Rd., Augusta, Ga. IS, Eugene M. (RI) 5 N. Union St., Fostoria, Ohio chard C. Remmey Son Co.) Grover W. (MF) ip Engineering Co. W. Main St., Le Roy, N. Y. INSULATOR CO., INC. E. Stettinius) Le Roy, N. Y. :H, Herbert W. (EJ) Fairview Ave., Valley Stream, N. Y. N, Paul G. (D) Harrison St., Campbell, Calif, irkin Tile Co.) CA, Frank J. (R) orado Fuel & Iron Corp. t 316, Pueblo, Colo. N, Marie 3 Bing & Grondahl terbrogade, 149 *enha^ Denmark ;n, : if. (s) '6 No,...an Ave., N. W. iton 9, Ohio 3arta Ceramic Corp.) JN, Thomas L. Ash Ave., Ames, la. IAN. Malcolm E. Mosier PL, Denveij.23, Colo. No. 10 (1955) ). LASKY, Elliott Box 847, Alfred, N. Y. LATCHFORD-MARBLE GLASS CO. (C. L. Dillon) Box 71707 Los Angeles 1, Calif. LATHROP, Lt. Donald R. (GJ) A030102S9, 623 A.C. & W. Sq., Det. 2 APO 239 c/o Postmaster San Francisco, Calif. LATIMER, Glen H. (R) 2613 Dogwood Ln., East Norriton Tp. Norristown, Pa. (E. J. Lavino & Co.) LATIMER, Horace L. (El) Box 282, West Lafayette, Ohio (Moore Enameling & Mfg. Co.) LATIMER, Trent W. Ohio State University, Baker Hall Columbus 10, Ohio LATTIN, Judson M. (R) 14644 S. Edbrooke Ave., Dolton, 111. (International Harvester Co.) LAUCHNER, Julian H. J 27 A Stadium Terrace Champaign, 111. LAUGHLIN, HOMER, CHINA CO. (J. M. Wells) Newell, W. Va. LAURIE, Dominic (RI) Titanium Alloy Div., National Lead Co. Niagara Falls, N. Y. 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. (R) 145 Leonard Dr., Concord, Calif. (Gladding, McBean & Co.) LAWRENCE, Walter F., Jr. (WI) 153 Morningside Rd., Verona, N. J. (RCA Victor) LAWRENCE, Willis G. (B) State University of New York, College of Ceramics, Alfred, N. Y. LAWSON, Louis, Jr. (W) West Virginia Pulp & Paper Co. Development Dept., Charleston, S. C. LAWSON, W. Branch (G) International Minerals & Chemical Corp. Box 369, Erwin, Tenn. LAXTON, Wilbur (G) Hazel-Atlas Glass Co., 126 Market St. Zanesville, Ohio LAYNE, Fred A. (W) Louthan Mfg. Co. East Liverpool, Ohio LAYTON, Donald R. (G) R. R. 1, Brockway, Pa. (Brockway Glass Co.) LEA, A. C. United Insulator Co., Ltd. Oakcroft Rd. Chessington, Surrey, England LEAD INDUSTRIES ASSOCIATION (Robert L. Ziegfeld) 420 Lexington Ave. New York 17, N. Y. LEANDER, Karl Johan Langgat, 19, Hoganas, Sweden (Hoganas-Billesholms AB) LEAVENWORTH, Richard S. 4225 7th Ave., N. E., Seattle 5, Wash. LEAVER, Stanley (R) 1202 Niagara St., Niagara Falls, N. Y. (Carborundum Co.) 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. LEDDY, Robert M. (SI) Box 128, Hammonton, N. J. (Alliance Clay Product Co.) LEE CLAY PRODUCTS CO., INC. (Martin S. Bowne) Clearfield. Ky. LEE, Harley C. (RF) Basic Refractories, Inc. 845 Hanna Bldg., Cleveland 15, Ohio LEE, James A. (S) Southern Brick & Tile Mfrs. Assn. 1328 Candler Bldg., Atlanta 3, Ga. LEE, P. William (BI) 205 Elmwood Blvd., York, Pa. (Dentist's Supply Co. of New York) LEECH, L. G. H. & G. Thynne, Ltd. Victoria Tile Works Holmer, Hereford, England LEEDS, Donald H. (I) 2025 Westfield Terr., Bethlehem, Pa. LEES, Arch A. (R) 411 Avon Dr., Pittsburgh 16, Pa. (Carborundum Co.) LEFFORGE, J. W. (B) Monsanto Chemical Co. Everett Station, Boston 49, Mass. LEFORT, Henry G., Jr. (El) 411 Fairlawn Dr., Urbana, 111. (University of Illinois) LE HERON, Harold Etablissements Porcher Usines de Revin, Ardennes, France LEIBIG, Edward C. (G) Corning Glass Works, Coming, N. Y. LEIBSON, J. S. (WI) Locke Dept., General Electric Co. Schenectady 5, N. Y. LEIPOLD, Martin H,, Jr. 428 Seventh St., Fairview', N. J. LEISEY, William B. (B) 615 Elm Ave., Muhlenberg Park Reading, Pa. (Manu-Mine Research & Development Co.) LEITTEN, Carl F. (R) 50 Hawkins Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) LELAND, John A. (E) 469 Arbramar Ave. Pacific Palisades, Calif. (Douglas Aircraft Co.) LELIVELT, J. W. (E) Kelvinator Div., American Motors Corp. 1545 Clyde Park Ave., S.W. Grand Rapids 9, Mich. LEMMERMAN, Paul C. (R) E. I. du Pont de Nemours & Co. Grasselli Chemicals Dept. National City Bank Bldg. Cleveland 14, Ohio LeMUNYON, James S. (E) Tappan Stove Co., 250 Wayne St. Mansfield, Ohio LENCHNER, Theodore (DF) 5158 Beeler St., Pittsburgh 17, Pa. (Vitro Manufacturing Co.) LENNON, John W. (W) Battelle Memorial Institute 505 King Ave., Columbus, Ohio LENTZ, Clarence J. (R) Quebec Iron & Titanium Corp. Box 40, Sorel, Que., Canada LEONARD, 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. LEPP, Jack M. (S) 1357 Nicholas PI., Ashland, Ky. (Carlyle Tile Co.) LESAR, Albert R. (RI) 509 Woodlawn, Mexico, Mo. (A. P. Green Fire Brick Co.) LESLIE, Ernest R. (G) Bell Telephone Labs. Murray Hill, N. J. Roster 45 ), Harold F. (R) 1 Beechmont Dr. tarborn Hills, Mich, reat Lakes Steel Corp.) OR, Ronald H. (RJI) tl Garrison Blvd. lt: IS, Md. )rmy Chemical Corps) JR, W. Ronald (GF) jerty Glass Co. pulpa, Okla. ., Matthias malteria e Metallurgies Veneta" ssano del Grappa, Italy IT, Marc Yves atre National d'Etudes et cherches Ceramiques Avenue Paul Doumer ris 16, France MGOOD, William C. (G) 73--289th St., Toledo, Ohio ibbey-Owens-Ford Glass Co.) Ormonde S. (G) rd-A-Ray Corp. 5 Front St., Toledo 5, Ohio Ernest M. (B) tional Bureau of Standards v. 9.7, Washington 25, D. C. ', I. (M) 6 L Manufacturing Co. 5 Eighth St. 'land, Chester, Pa. TE, Irving L. (W) J Comstock Ave., Syracuse 10, N. Y. eneral Electric Corp.) Dorothy (D) 12 Lincoln Ave., Highland Park, 111. 3, Albert D. (G) mble Glass Co., Vineland, N. J. 3, Charles F. (R) lunteer Portland Cement Co. x 1190, Knoxville, Tenn. 3, Gordon E. (SI) en-Gery Shale Brick Corp. . Jx ' Wyomissing, Pa. 3. (G) ue Ridge Glass Corp. ngsport, Tenn. 3, J. M. (W) ingdon Potteries, Inc. 1 N. Main St., Abingdon, 111. 3, William C. (G) ? Flats, N. Y. orning Glass Works) :y-owens-ford glass co. leorge B. Watkins) 1701 E. Broadway ledo S, Ohio ATORE, Laurence C. (G) ylor Instrument Co. Ames St., Rochester 1, N. Y. 3R, Phillip H. (R) 00 Dogwood Lane, Norristown, Pa. 1. J. Lavino & Co.) 3RBACH, William H. (MI) 2 Lower Alden Dr., Rahway, N. J. - I. du Pont de Nemours & Co., Inc.) r. Elmer R. (SI) S. Dickey Clay Mfg. Co. x 405, Pittsburg, Kansas S. Howard R. (GF) 1 Delevan Ave., Corning, N. Y. orning Glass Works) lichard H. Y. x 1039, Alfred, N. Y. 5. Robert W. (RI) dlon Institute, Pittsburgh 13, Pa. rancis C. M. (GJ) zel-Atlas Glass Co., Operating Div. 5 Market St., Zanesville, Ohio tHL, George L. (R) addintr McBean & Co. n*h sirrison Sts. n Fr isco, Calif. -NTHAL, John (EJ) '* K, Lakehurst, N. J. Cyril S. (E) y Park St., Tarenttim, Pa. ittsburgh Plate Glass Co.) fNo. 10 (195o) 6 LINDQUIST, C. Alan, Jr. (BI) . 123 Grandview Ave., Conneaut, Ohio (Astatic Corp.) LINDROTH, Stig A. (B) Glass Tech. Lab., General Electric Co. 1133 E. 152nd St., Cleveland 10, Ohio LINDSAY, Carey E. (RI) 36 N. Crandon, Niles, Ohio (Niles Fire Brick Co.) LINKHORN, William H. (W) 428 S. Western, Kokomo, Ind. (American Radiator & Standard Sanitary Corp.) LINTZ, E. H. (WFI) 42 Heiskell Ave., Wheeling, W. Va. (Wheeling Tile Co.) LINWOOD, Sidney H. (W) Stackpole Carbon Co., St. Marys, Pa. LINZ, Arthur (E) SSI Fifth Ave., New York 17, N. Y. (Consultant) LITEN, Alexander F. 838 Carteret Ave., Trenton 8, N. J. LITHIUM CORP. OF AMERICA, INC. (Walter M. Fenton) 2560 Rand Tower Minneapolis 2, Minn. LITTLETON, Joseph C. (G) 231 Delevan Ave., Corning, N. Y. (Corning Glass Works) LITTLETON, J. T. (Honorary, GF) Corning Glass Works, Corning, N. Y. LIVINGSTON, Charles Q. (R) Armstrong Cork Co., Lancaster, Pa. 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 M. (R) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland, Calif. LO, Wing-Cheuk 157 George St., New Brunswick, N. J. LOBAUGH, Frank E. (RI) 10S2 Sherman Ave., Plainfield, N. J. (Universal Atlas Cement Co.) LOCHRIDGE, James F. (E) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio Locke--See General Electric Co. LOGAN CLAY PRODUCTS CO. (Barton A. Holl) Logan, Ohio LONDEREE, Joseph W., Jr. (G) 3918 Warner Ave., Louisville, Ky. (Corhart Refractories Co.) LONG, Bernard Glaces de Boussois 22, Boulevard Malesherbes Paris 8, France LONG, George R. (E) Frigidaire Div., General Motors Corp. 300 Taylor St., Dayton 1, Ohio 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 (E) American Porcelain Enamel Co. 1285 Keating Ave. Muskegon 36, Mich. LONG, Robert R. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. LONG, Russell E. (RI) Brush Beryllium Co. 4301 Perkins Ave., Cleveland 3, Ohio LONGENECKER, Robert J. (MJ) 46 James Rd., Broomall, Pa. (Foote Mineral Co.) LONGFRITZ, Robert K. (RI) Brighton Brick Co. Box 256, New Brighton, Pa. LOXGINO, Ted E. (S) Henderson Clay Products Henderson, Texas LONGWELL, Burton (E) Republic Steel Corp. 1423 Republic Bldg., Cleveland 1, Ohio LOREY, Frederick D. (GI) 41 Meadow Brook Apt., Corning, N. Y. (Corning Glass Works) LOREY, G. Edwin Ceramic Dept., Rutgers University New Brunswick, N. J. LOUDEN, R. H. (WI) McGean Chemical Co. Midland Bldg., 101 Prospect Ave. N. W. Cleveland 15, Ohio LOUGHRIDGE, Frederick A. (G) 52 Norwood Ave., Manchester, Mass. (Sylvania Electric Products, Inc.) LOUTHAN MANUFACTURING CO. (C. W. Gerster) 2000 Harvey Ave. East Liverpool, Ohio LOVE, L. G. (G) National Lime & Stone Co. First National Bldg., Findlay, Ohio LOVELAND, Edward W. (G) 504 79th St., North Bergen, N. J. (Techniplast, Inc.) LOVENBACH, J. Glaceries de Saint Roch S. A. 50, rue du Luxembourg Brussels, Belgium LOWE, Earl C. (SI) 45 S. Culver St., Logan, Ohio (Straitsville Brick Co.) LOWE, Edwin C. (R) 2112 Coholan St. Niagara Falls, Ont., Canada (Norton Co.) LOWE, George K. (RI) Charles Taylor Sons Co. Heights-Rockefeller Bldg., Rm. 210 Mayfield at Lee, Cleveland 18, Ohio LOWER, Clarence G. (S) New Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LOWER, Lloyd C. (S) 227 Washington St. New Bethlehem, Pa. (New Bethlehem Tile Co.) LUBING, Irving (B) 137 Glen St., Yellow Springs, Ohio (Wright-Patterson AFB) LUCAS, Joseph M. (W) 1431 Broad Blvd. Cuyahoga Falls, Ohio (U. S. Stoneware Co.) LUCIDO, Peter J. 1518 Central, Lafayette, Ind. LUCKETT, Joseph S. Texas Western College Box 108, El Paso, Texas LUDVIGSEN, C. F. Den Kongelige Porcelainsfabrik & Fajancefabriken Aluminia A/S Copenhagen F.-45 Smallegade, Denmark LUDWIG, David W. (GI) 107 Penn View Dr., Monroeville, Pa. (Pittsburgh Plate Glass Co.) LUDWIG, Urban W. (G) 498 Lake Rd., Webster, N. Y. (Bausch & Lomb Optical Co.) 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) Star Porcelain Co. Muirhead Ave., Trenton 9, N. J. LULL, Stanley E. (R) 6 Oberlin St., Worcester 10, Mass. (Bay State Abrasive Products Co.) LUNAK, Thomas E. (WI) Globe Union, Inc. 900 E. Keefe, Milwaukee 1, Wise. LUND, H. Howard (S) 44 S. Elmwood Ave., Palatine, 111. (Armour Research Foundation) Roster 47 <, L. Howard (SJ) 00 Livingston St., Evanston, 111. lentral Commercial Co.) Melvin S. (W) 6 F State St., Alliance, Ohio in jn Limoges China Corp.) . J. ,1 Emerson Ave., Salt Lake City, Utah ER, Gerald H. (R) jrton Co., 5905 Pacific Blvd. jntington Park, Calif. ON, X. W. (W) 4 Herndon Dr., Evansville, Ind. Town Sanitary Pottery, Inc.) , Aaron K. (GF) Cumberland Rd. est Hartford 7, Conn. lartford-Empire Co., iv. Emhart Mfg. Co.) H, Eugene D. (W) liversity of Illinois ;pt. of Ceramic Engineering 4 Ceramics Bldg., Urbana, 111. H, James F. (R) ittelle Memorial Institute 5 King Ave., Columbus 1, Ohio H, John F. (W) 19 N. Leavitt, Chicago, 111. .indberg Engineering Co.) AVAGE, Walter F. (G) 0 Arnold Ave., Port Allegany, Pa. 'ittsburgh Corning Corp.) , John B. (S) Circle Dr., Malvern, Ark. icme Brick Co.) , Kenneth C. (GF) 7 E. Washington St., Dunkirk, Ind. iall Brothers Co.) S, Clifford T. (W) 28 Shenandoah Ave., Dallas 5, Texas lolumbine Tile Mfg. Co.) S, S. C. (M) iorgi' Kaolin Co. ty s fch, Ga. E,., JA. (BI) >05 N. Sheffield, Milwaukee 11, Wise. \llen-Bradley Co.) E, W. O. (G) ttsburgh Plate Glass Co. search Lab., Creighton, Fa. LE, Frobisher T. (W) :31 Findley Ave., Zanesville, Ohio fosaic Tile Co.) Me 00, Don P. (W) Viewpoint Ln., Levittown, Pa. M. Huber Corp.) LISTER, Christopher (GI) w 281, Clarksburg, W. Va. ?ittsburgh Plate Glass Co.) PINE, Kenneth B. (G) 1 Union Ave., Brackenridge, Pa. Pittsburgh Plate Glass Co.) KILL, James I. (W) II King St., W. ragston, Ont., Canada LEY, James W. (G) ;I4 Sherwood Rd., Toledo, Ohio "Jbey-Owens-Ford Glass Co.) E, P. B. (E) JJWlain Metals Corp. SJ S. 13th St., Louisville 10, Ky. PEY, John W. (SF) 2? N. Falkland Lane "*. Spring, Md. phonal Bureau of Standards) PEY, William C. (D) S, Eastbrook Rd., New Castle, Pa. igWap""' China, Inc.) James W. (M) Mines, Parliament Bldgs. * a, B. C., Canada PLESS. Lyon (G) 2^r-Simplex Korea, Inc. Putnam Ave., Greenwich, Conn. HjiD. M. (Wl) "..Porcelain Co., Akron 14, Ohio |N6. 10 (1955) McCANN, Sidney VV. (El) Pfaudler Co. 1000 West Ave., Rochester 3, N. Y. McCARTT, Kenneth C. (W) 1408 Delaware Ave., New Castle, Pa. (Universal-Rundle Corp.) McCLAVE, James W. (SI) Box 67, Toronto, Ohio (Peerless Clay Corp.) McClelland, Roland h. (wi) Globe-Union Inc. 900 E. Keefe Ave., Milwaukee, Wise. McCLURE, Clifton M. 2415 Edgewood Ave., Anderson, S. C. McCLURE, Howard C. (R) 1808 Hutchins St., Portsmouth, Ohio (Davis Fire Brick Co.) McCLURG, John (E) Oglebay Norton & Co. 1200 Hanna Bldg. Cleveland 15, Ohio McCOLLOM, Perry C. (RI) American Refractories & Crucible Co. North Haven, Conn. McCONNELL, G. F. (W) Mosaic Tile Co., Zanesville, Ohio McCORMICK, John M. (G) 2356 Cheltenham Rd., Toledo 6, Ohio (Owens-Illinois) McCORMICK, Stewart W. (I) University of Washington School of Mineral Engineering Seattle, Wash. McCOY, NELSON, POTTERY CO. Roseville, Ohio McCOY, William (M) 1219 24th St., N.E., Canton 4, Ohio (American Encaustic Tiling Co.) McCREERY, George L. (W) 393 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) McCREIGHT, D. O. (R) 15 Willow Terrace Dr., R.R. 2, Box 290 Library, Pa. (Harbison-Walker Refractories Co.) McCREIGHT, Louis R. (R) R.R. 1, 67 Hillandale Dr. Ballston Lake, N. Y. (General Electric Co.) McDANEL, Donald W. (W) McDanel Refractory Porcelain Co. 510 Ninth Ave., Beaver Falls, Pa. McDANEL, Melvin W. (W) R.R. 2, Eastvale Rd. Beaver Falls, Pa. (McDanel Refractory Porcelain Co.) McDaniel, l. l. (R) Phelps Dodge Corp. Morenci Branch, Morenci, Ariz. McDERMOTT, James J., Jr. (G) 136 William St., New York 38, N. Y. McDonald, e. f. (ei) Ingram-Richardson Mfg. Co. Beaver Falls, Pa. MCDONALD, Howard A. (R) E. 23 Rich, Spokane 22, Wash. (Kaiser Aluminum & Chemical Co.) McDOUGAL, Taine G. (WFI) 1117 South Dr., Flint 3, Mich, and Ha'penny House Somerset Bridge, Bermuda McDOWALL, Ian C. New Zealand Pottery & Ceramic Research Assn., Inc. Private Bag, Lower Hutt, New Zealand McDowell, j. Spotts (RF) 4716 Bayard St., Pittsburgh 13, Pa. (Harbison-Walker Refractories Co.) McDOWELL, Samuel J. (BFI) 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-Corning Fiberglas Co.) 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. (RI) Research Laboratory A. P. Green Fire Brick Co. Mexico, Mo. McGILL, William M. (B) Virginia Division of Geology Box 3667, University Station Charlottesville, Va. McGinnis, r. a. (W) 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 MeGRAW, Delford A. (G) 4101 Garden Park Dr., Toledo 13, Ohio ( Owens-Illinois) McHOSE, L. H., INC. (M. M. McHose, Jr.) Box 47 Perth Amboy, N. J. McHOSE, M. M., Jr. (M) L. H. McHose, Inc. Box 47, Perth Amboy, N. J. McINTOSH, Harold W. (G) American Window Glass Co. 9 W. Park Way, Pittsburgh 12, Pa. McINTOSH, William A. (S) West Virginia Pulp & Paper Co. Polychemicals Div. Charleston, S. C. McINTYRE, G. H. (EFI) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio McKAIG, W. Wallace (R) Cumberland Steel Co.. Cumberland, Md. McKEAND, Irvin J. (W) Minneapolis-Honeywell Regulator Co. Research Center 500 Washington Ave. S. Hopkins, Minn. McKEE, William D,, Jr. (B) 1910 Wink Court, Owensboro, Ky. (General Electric Co.) McKEEN, Richard D. (MI) Box 625, Haverhill, Mass. (Western Electric Co.) McKEOWN, J. Duncan (R) Box 137 Burnet Woods Station Cincinnati 20, Ohio (Carborundum Co.) McKEOWN, Thomas H. (M) Box 31, Metuchen, N. J. (E. I. du Pont de Nemours & Co., Inc.) McKIBBEN, Burt H. (E) Niles Rolling Mill Div., Sharon Steel Corp., Niles, Ohio McKINLEY, Theodore D. (B) E. I. du Pont de Nemours & Co., Inc. Newport, Del. McKINNIE, J. R. (R) Ideal Chemical Products, Inc. 3813 Hoke Ave., Culver City, Calif. McKINNIS, Charles L. (GI) Owens-Corning Fiberglas Corp. Research & Development Labs. Newark, Ohio McLACHLAN, Eugene K. (R) 2280 Sunshine, Johnstown. Pa. (Bethlehem Steel Co.) McLAIN FIRE BRICK DIV., H. K. PORTER CO., INC. (Lawson E. Mason 1 Clark Ave., Wellsville. Ohio McLANE, James P. (M) Diamond Pottery Corp. 50--56 China St., Crooksville. Ohio McLaren, Henry D. (E) Ferro Enamels (Canada) Ltd. Box 37, Oakville, Ont., Canada Roster 49 AREN, John (M) Broadview Circle, East Liverpool, Ohio (Sales Representative) AUGHLIN, John L. (E) 564 S. Craig PI., Lombard, 111. (Allied Porcenell Inc.) At LIN, Joseph K. (WI) H; / Porcelain, Inc. Hickory, N. C. AUGHLIN, William H. (R) Alsey Brick & Tile Co., Alsey, 111. IAHON, John F. (XFI) Alfred, N.Y. (State University of New York College of Ceramics, at Alfred Univ.) IAHON, John F,, Jr. (GJ) Apt. H-4, Oakwood Gardens Apts. Lansdale, Pa. IASTER, Harold A. (G) Permaglass, Inc., Box 195, Sta. A. Toledo 5, Ohio IULLEN, John C. (R) 9325 Rivershore Dr. Niagara Falls, N. Y. (Carborundum Co.) 1URDIE, Howard F. (BF) National Bureau of Standards Washington 25, D. C. [URTRY, Carl H. (I) 168 S. Main St., Wellsville, N. Y. iAMARA, E. P. (WFI) 73 Ritchie Ave., Cincinnati 15, Ohio (Cambridge Tile Mfg. Co.) iAMARA, Edward P., Jr. Box 847, Alfred, N. Y. iAUGHTON, Ronald R. (B) Central Technical Library Consolidated Mining & Smelting Co. of Canada, Ltd., Trail, B. C., Canada iEILLY, Clyde, Jr. 46J4 Greenwood St., Canisteo, N. Y. JUARRIE, Malcolm C. (B) 105 E. Nittany Ave., State College, Pa. (F ylvania State University) ini ,fe, Frank H. (R) Mellon Institute, 4400 Fifth Ave. Pittsburgh, Pa. iORY, Glenn L. (S) New Jersey Zinc Sales Co., Inc. 916 National City Bank Bldg. Cleveland 14, Ohio TAGGART, G. Don 1517 W. Healey, Apt. 4 Champaign, 111. VAY, T. N. (XFI) 10 Oakwood Court, Tuscaloosa, Ala. (U. S. Bureau of Mines) WALTER, H. G. (R) Laclede-Christy Co. Div. H. K. Porter Co. Inc. 2000 Hampton Ave., St. Louis 10, Mo. WILLIAMS. Robert J. (El) Pfaudler Co. (Elyria Div.) Taylor St., Elyria, Ohio M *ALPINE. William M. (G) 357 E. Main St., Somerville, N. J. (Johns-Manville Research Laboratory) *DONALD, James E. (R) McFeely Brick Co., Latrobe, Pa. *t>ONALD, R. W. (WI) Florida Tile Industries, Inc. ,ox 451, 608 Prospect St. Lakeland, Fla. ^CER, W. E. (M) i Carborundum Co., Globar Div. Niagara Falls, N. Y. 'E, Donald J. (W) R.- i'iffard, N. Y. (Lapp Insulator Co., Inc.) 'CKASEK, Edward (E) porcelain Enamel Institute #145 19th St., N. W. Vashington 6, D. C. Bs4, No. 10 (1955) MACKENZIE, James United Steel Companies Ltd. Research & Development Dept. Swinden House, Moorgate Rotherham, England MacKENZIE, James T. (R) Box 2603, Birmingham 2, Ala. (American Cast Iron Pipe Co.) MACKLIN CO. (Richard O. Lane) 2917 Wildwood Ave., Jackson, Mich. MacLEOD, John United Fireclay Products, Ltd. 140 W. George St. Glasgow, C. 2., Scotland MacPHERSON, Charles R. (G) Owens-Coming Fiberglas Corp. Box 326, Kansas City, Kans. MacRAE, John (G) Fiberglas Canada Ltd. Box 309, Guelph, Ont., Canada MAC ZURA, George (RJ) 1913 Magdalena Ave. East St. Louis, 111. (Alcoa Research Laboratories) MADDEN, Robert C. (R) 315 Pim St. Sault Ste. Marie, Ont., Canada (Algoma Steel Corp., Ltd.) MADDOCK, A. M. (W) R. R., Washington Crossing, N. J. MADSEN, Leif Egil Box 4208, Sandakervn 109/111 Oslo, Norway (A/S Den Norske Slipeskivefabr.) MAGAZINE, Arnold L. (G) CBS-Hytron Corp. 100 Endicott St., Danvers, Mass. MAGID, H. S. (WI) American Radiator & Standard Sanitary Corp., Box 907 Trenton 5, N. J. MAGNUSON, V. E. (M) Western Feldspar Milling Co. Box 671, Salida, Colo. MAGUIRE, Edward A., Jr. 1335 E. Price St., Philadelphia 38, Pa. MAGUIRE, Samuel G.,'jr. (B) United Clay Mines Corp. 101 Oakland St., Trenton 6, N. J. MAHESHWARY, Ved P. Govt. Central Pottery Agency Sonepat. Punjab, India MAHLER, Lois W. (D) 4535 Harding Blvd. Baton Rouge 7, La. (Southwestern Louisiana Institute) MAHONEY, Frank B. (E) Richmond Radiator Co. Box 111, Metuchen, N. J. MAIOR, Nelson S. Ceramica Sao Caetano S. A. Caixa Postal 278, Sao Paulo, Brazil MAJESKE, Joseph (G) T. C. Wheaton Co., Millville, N. J. MALCOLM, Richard B. (E) O. Hommel Co. Box 475, Pittsburgh 30, Pa. MALKIN, W. R. (M) B. F. Drakenfeld & Co., Inc. Box 267, East Liverpool, Ohio MALM, Arthur T. (RI) 233 Beverly Rd., Worcester 5, Mass. MALVERN BRICK & TILE CO. (George B. Eyerly) Box 415, Malvern, Ark. MANDEL, Charles J. (WI) Willette Corp. of New Jersey Codwise Ave. & Reed St. New Brunswick, N. J. MANDLE, Richard M. (G) Rare Earths, Inc. Box 488, Pompton Plains, N. J. MANN, George H. (G) Lake Salubria, Bath, N. Y. (Coming Glass Works) MANNING, R. Douglas (D) Harker Pottery. Co. East Liverpool, Ohio MANOUSEK, Miloslav Jatecni 23, Praha VII, Czechoslovakia MANRING, Jack C. (EJI) R.R. 1, South Charleston, Ohio (Westinghouse Electric Corp.) MANRING, William H. (G) Calumite Co. Box 151, Hamilton, Ohio MANSFIELD SANITARY POTTERY, INC. (Perry E. Draper) Perrysville, Ohio MANZ, Oscar E. (B) Box 516, University Station Grand Forks, N. D. (University of North Dakota) MARCH, Joseph W. (S) Nova Scotia Technical College Halifax, N. S., Canada MARCOWKA, Chester A. (E) 3331 S. 58th Court, Cicero 50, 111. (Armour Research Foundation, Illinois Inst, of Technology) MARCUS, Leon (I) 519-B Tulip Rd., State College, Pa. MARGOLIS, David (W) 39 Glenwood Ave., New Rochelle, N. Y. (Fish-Schurman Corp.) MARK, Stanley D., Jr. (R) 1592 Love Rd., Grand Island, N. Y. (Carborundum Co.) MARLETT, Charles J. (M) One Lloyd Ave., Latrobe, Pa. MARQUIS, John E. (W) Pemco Corp., Res. & Dev. Lab. 2552 Greenmount Ave. Baltimore 18, Md. MARSHALL, Claude L.119 Lake Ave., Middletown, N. Y. MARSHALL, Darwin (R) Electro Metallurgical Co. , Metals Research Labs. Box 580, Niagara Falls, N. Y. MARSHALL, Nissim J. 2204 Franklin, Apt. 4 Seattle, Wash. MARSHALL, Paul A, (G) 1201 Cherry St., Brockway, Pa. (Brockway Glass Co., Inc.) MARTIN, Albert R. (S) 2303 37th St., Snyder, Texas (Martin Construction Co.) MARTIN, Francis W. (G) 101 Hornby Dr., Painted Post, N. Y. (Coming Glass Works) MARTIN, Frank B. (R) E. J. Lavino & Co. Box 29, Norristown, Pa. MARTIN, H. C. (R) Carborundum Co. Buffalo Ave., Niagara Falls, N. Y. MARTIN, James K. (M) 1068 Helen Ave., Lancaster, Pa. (Posey Iron Works, Inc.) MARTIN, John R., Jr. (M) Monongahela Power Co. 920 Charles St., Wellsburg, W. Va. MARTIN, Leonard A. (W) Martin Ceramic Supply Co. 8901 Rainier Ave., Seattle 8, Wash. MARTIN, Ralph H. (WI) Vernon Kilns 2310 E. 52nd, Los Angeles 58, 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. MARTINS, Renato de Siqueira Ceramica Sao Caetano Caixa Postal 278 Sao Paulo, Brazil MARTZ, Joseph A. (R) 535 Riverside Ave., Wellsville, Ohio (McLain Fire Brick Co., Div. of H. K. Porter Co., Inc.) Roster 51 iARWAHA, Kidar N. Bum & Co. Ltd. Jabalpbr Worksi, Box 13 Jabalpur 1, India iARX, Le Roy J. (S) Denver Terra Cotta Co. 135 Tejon St., Denver 23, Colo. Maryland glass corp. (L. C. Roche) 2147 Wicomico St. : Baltimore 30, Md. SKILL, William Webb Corbett, Ltd. Coalboumhill Glass Works Stourbridge, Worcester, England SON CITY BRICK & TILE CO. (C. F. Garland) Mason City, la. SON, Lawson E. (R) McLain Fire Brick Div., H. K. Porter Co., Inc. f Clark Ave., Wellsville, Ohio .SSENGALE, Gordon B. (RI) 553 Audubon Ave., Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) SSON, R. Porzellanfabrik Langenthal A. G. ii . Langenthal, Switzerland A L R. F. MATARAZZO (M. Mazzetti) Brazil Export Corp. 50 Broadway, New York 4, N. Y. .TCHULAT, John G. (R) Buffalo Rd., R.R. 2 East Aurora, N. Y. (Electro Refractories & Abrasives Corp.) TEJCZYK, John F. (E) 7506 Trevanion Ave., Pittsburgh 18, Pa. (O. Hommel Co.) (ATERIALI REFRATTARI SOC, P-AZIONI (J. Charles Mathon) Via Elia, Lombardini 13 Milano 744, Italy 1ATHER, Mrs. Katharine (B) Waterways Experiment Sta. Drawer 2131, Jackson, Miss. (ATHIASEN, O. E. (S) Federal Seaboard Terra Cotta Corp. Box 301, Perth Amboy, N. J. rHIESON, George W. (G) 2253 Castlewood Dr., Toledo 13, Ohio i (Kimble Glass Co.) THIESON, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave., New York 20, N. Y. fSJlATHIEU, Louis A. Parra Mantois, 11 Chemin de Ronde Le Vesinet (S&O) France (ATHON, Charles -r' Materiali Refrattari Soc. p.Azioni Via Elia Lombardini 13 Milano 744, Italy g|lATHON, J. Charles Materiali Refrattari Soc. p.Azioni Via Elia Lombardini 13 Milano 744, Italy ATSON, Frederick R. (GI) 244 S. Burrowes St., State College, Pa. (Pennsylvania State University) , IATTESON, Gilbert D. (W) Engineering Library Scintilla Div., Bendix Aviation Corp. Sidney, N. Y. ATTHEWS, L.. G. (E) American Smelting & Refining Co. 120 Broadway, New York 5, N. Y. ATTISON, William F,, Jr. (GI) R.R. 3, Lawson Dr., Madison, Conn. (Libbey-Owens-Ford Glass Co.) AU, K. T. (S) Gaspro, Box 2454, Honolulu, Hawaii IffAUPIN, Addison (RI) 721 Yale Ave., Terrace Park, Ohio (Charles Taylor Sons Co.) J*URACH, H. Deutsche Glastechnische Gesellschaft Jntermainkai 12 Frankfurt A.M., Germany AURER, James A. (E) 5519 N. Lake Dr., Milwaukee 11, Wise. Oh. 34, No. 10 (1955) 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 MAXSON, Elwyn L. (M) 1208 Isabel St., Burbank, Calif. MAXWELL, Laurel H. (B) 3518 Perry Ave., Kensington, Md. (National Bureau of Standards) MAY, L. F. (R) Standard Ultramarine & Color Co. Huntington 18, W. Va. MAYER, Walter S. (W) Mayer China Co. Box 561, Beaver Falls, Pa. MAYFIELD, Manville J. (WI) 722 Curve St., Chattanooga 5, Tenn. (American Lava Corp.) MAYNARD, Fred A. (M) 545 E. 250th, Euclid,.Ohio (Harshaw Chemical Co.) MAYNARD, Frederick H. (G) Corning Glass Works 1 Jackson St., Wellsboro, Pa. MAYS, George A. (S) Niles, Calif. (California Pottery Co.) MAZZETTI, M. (W) S/A I. R. F. Matarazzo Brazil Export Corp. 50 Broadway, New York 4, N. Y. MEDERT, Warren C. (G) 5320 Melvin Dr., Toledo 14, Ohio (Owens-Illinois) MEEKA, Edward (SI) Metropolitan Brick, Inc. Box 27, East Palestine, Ohio MEID, William J. (R) 203 Elm St., Glenview, 111. (Lindberg Engineering Co.) MEINKEN, Robert H. (B) 828 W. Fifth St., Plainfield, N. J. (Bell Telephone Labs.) MEIRESONNE, Arthur C. (G) 700 Village Dr., Columbus 14, Ohio (Kimble Glass Co.) MEJIA, Lorenzo (M) . Colombia Brewers Industries, Inc. 80 Broad St., New York 4, N. Y. MELOY, C. L. (RI) Res. Dept., Em. A406 Bethlehem Steel Co., Bethlehem, Pa. MENG, Edwin R. (R) National Carbon Co. Box 6087, Cleveland 1, Ohio MENGSHOL, Clarence O. (E) American Radiator & Standard Sanitary Corp. 1089 Essex St., Richmond, Calif. MERCER, James W. 3246 Lambeth Circle, Doraville, Ga. MERCK, Walter J. (RI) 25 Addison Dr., Short Hills, N. J. (M. W. Kellogg Co.) MEREDITH, Neil F. (RI) Box 281G, R.R. 2, Tiffin, Ohio (Basic Refractories, Inc.) MERIWETHER, B; Corbin (W) Deena Products Co., Arlington, Ky. MERKEL, W. H. (S) Huber-Warco Co. American Clay Machinery Div. Bucyrus, Ohio MERLINI, Ing. Francesco Colonnata, Florence, Italy MERRIAM, Jack G. (RI) 727 N. Wildwood, Mundelein, 111. (Titanium Alloy Mfg. Div., National Lead Co.) MERRIMAN, Seth G. (G) 2722 Lincolnshire Blvd., Toledo 6, Ohio (Owens-Illinois, Kimble Div.) MERRITT, Clarence W. (WFI) Box 464, Alfred, N. Y. (State University of New York College of Ceramics, at Alfred Univ.) MERRITT, Lester M. (WI) 654 Wilson Ave., Columbus 5, Ohio (Industrial Commission of Ohio) MERRY, E. B,, Jr., (SI) Merry Bros. Brick & Tile Co. 415 Masonic Bldg., Augusta, Ga. MERRY, W. H. (E) Richmond Radiator Co., Monaca, Pa. MERWIN, Byron W. (W) Parkway Rd., R. R. 2 East Liverpool, Ohio (Hall China Co.) MERZ, Kenneth M. 236 Upson Ln., New Brunswick, N. J. MESSIMER, Laverne A. (GI) Holophane Co., Newark, Ohio MESSNER, Paul DuBois, III 805 N. Washington St., Rome, N. Y. METAL & THERMIT CORP. (George C. Betz) 100 E. 42nd St. New York 17, N. Y. METZ, G. F. (M) Hillside Dr., Farquhar Estates York, Pa. (Hardinge Co., Inc.) METZGER, A. J. (RI) 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. 4509 19th Ave., N. E. Seattle 5, Wash. MEXICO REFRACTORIES CO. (C. A. Smith) Better Refractories Bldg. Mexico, Mo. MEYER, G. Robert (G) 313 Daniels St., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) MEYER, George W. (G) Glenshaw Glass Co., Inc. Glenshaw, Pa. MEYER, L. S. (S) Hydraulic-Press Brick Co. 705 Olive St.; St Louis 1, Mo. MEYER, William W. (W) R. R. 1, Box 632, Annandale, Va. (U. S. Tariff Commission) MEYERHOFER, E. A. Meyerhofer & Co., Forchstrasse 2 Zurich 32, Switzerland MEYER-SCHOLER, Hans Carl Spittelerstrasse 1 Liestal, Switzerland (Tonwerk Lausen AG) MEYSEL, John J. Refracton Ltd. Zurich 2 Genferstrasse, Zurich, Switzerland MICHAEL, Frank L. (El) 319 Norbourne Blvd., St. Matthews Louisville 7, Ky. (General Electric Co.) MICHAEL, Harold J. (E) . Cia. Industrial del Norte Apartado 226, Saltillo, Coah., Mexico MICHEL, Howard (E) Porcelain Enamel, Inc. 80 S. Dover, Denver 15, Colo. MICHEL, S. Etablissemcnts G. Devineau 26, rue Lafayette, Paris 9, France MICHELOTTI, Joseph E. (El) 164 E. Essex Ave., Lansdowne, Pa. (Vitro Mfg. Corp.) MICHENER, John William (G) Research Laboratory Owens-Coming Fiberglas Corp. Newark, Ohio MICKWITZ, Alexander von (R) 701 Main St., Latrobe, Pa. (Stupakoff Ceramic & Mfg. Div., Carborundum Co.) Roster 53 jjl jlDDLESWARTH, Earl T. (G) 1501 Center Ave., New Kensington, Pa. (Pittsburgh Plate Glass Co.) jJDDLETON, George J. (W) 328 Fifth St., Manhattan Beach, Calif. (L. H. Butcher Co.) jjDGETTE, Willard B. (M) ^agle-Picher Co., Pigment Div. il Oliver Bldg., Pittsburgh 22, Pa. /Thomas M. 40 West St., Hornell, N. Y. UlLANI, Helio Box 827, Alfred, N. Y. HILDWOFF, Ben (G) Bent Glass Works, Inc. 85-25 126th St. Richmond Hill 18, N. Y. jjILLAR, N. S. C. Frit Factory Radiation Group Sales Ltd., Grappenhal Works Warrington, Lancs., England FILLER, B. L. (W) Royal China, Inc., Sebring, Ohio HILLER, Boyd C. (S) Miller Equipment Co. Box 1566, Salisbury, N. C. HILLER, E. R. (W) Washington Porcelain Co. Willow St., Washington, N. J. HILLER, Fred M. (R) The Brynwood, Apt. A-24 Wynnewood, Pa. (General Refractories Co.) (ILLER, Fred W. (R) Franklin Manor, 114 Franklin St. Bldg. 8, Apt. B-2, Morristown, N. J. (Carborundum Co.) HILLER, Grant E. (El) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio HILLER, Harold (E) 5736 N. Talman Ave., Chicago 45, 111. (Ohmite Mfg. Co.) ILLER, Harold D. (M) 189 Circle Dr., Flandome Manor T ^ng Island, N. Y. i F. Drakenfeld & Co., Inc.) _JR, Henry E. (R) Chicago Wheel & Mfg. Co. .1101 W. Monroe St., Chicago 7, 111. LLER, Howard L. (RI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio ILLER. James L. (R) 131 Peach St., Park Forest, 111. (Norton Co.) ILLER, John B. (MI) Third St., Lewiston, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) LLER, John W. (W) New Castle Refractories Co. New Castle, Pa. MLLER, Jorge Smith Casilla 187, Cristalerias de Chile S. A. Santiago, Chile IILLER, Marlin, Jr. 1733 Southwood Ave., South Bend, Ind. ILLER, O. E. (R) Pyro Refractories Co. Box 488, Oak Hill, Ohio ILLER, Robert A. (GF) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22. Pa. ILLER, Russel A. (WI) 251. E. Rockland St. Philadelphia 20, Pa. (Frankford Arsenal) LER, R. V. (W) Sovereign Potters Ltd. 282 Sherman Ave. N. `Hamilton, Ont., Canada >'' R. W. (G) imbia-Southern Chemical Corp. ' tsiic Gateway Center, Pittsburgh 22, Pa. 'LLER, Vincent P. (W) Miller Pottery Eng. Co. 2300 Palmer St., Pittsburgh 18, Pa. K 34, No. 10 (1955) MILLER, William A. (R) Carborundum Co., Falconer, N. Y. MILLER, William A. 306 E. Madison St., Gibsonburg, Ohio MILLIGAN, Kenneth L. (R) Aluminum Co. of America 3300 Missouri Ave., East St. Louis, 111. 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, William M. Cleveland Museum of Art Cleveland 6, Ohio MILLIKEN, William U. Claycraft Co., Shawnee, Ohio MILLMAN, Nathan (M) J. M. Huber Corp., Huber, Ga. MILLS, G. Alexander (B) Houdry Process Corp., Box 427 Marcus Hook, Pa. MILLS, R. Gerald (BJ) General Electric Co. Commonwealth Edison Project 2155 S First St., San Jose, Calif. MILTON BRICK CO., LTD. (D. T. Green) Box 554 Milton, Ont., Canada MINER, Reginald R. (R), ______ 412 W. Chestnut Ave., Metuchen, N. J. (Carborundum Co.) MINK, John D. (G) R. R. 2, Dunkirk, Ind. (Armstrong Cork Co.) MINNICK, L. John (R) 306 Boyer Rd., Cheltenham, Pa. (G. & W. H. Corson) MINSHALL, John B. (R) Kaiser Aluminum & Chemical Sales, Inc. 3 Gateway Center, Pittsburgh 22, Pa. MINTON, G. Z. (GI) Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. MISSBACH, George E. (M) Morehouse Industries 707 Henry Grady Bldg., Atlanta, Ga. MISSISSIPPI GLASS CO. (Charles J. Youngblood, Jr.) 88 Angelica St., St. Louis 7, Mo. MITCHELL, Lane (BFI) School of Ceramic Engineering Georgia Institute of Technology Atlanta, Ga. MITCHELL, Russell G. (R) R. R. 1, Dutch Ridge Rd. Beaver, Pa. (McDanel Refractory Porcelain Co.) MITOFF, Stephan P. 1839 Delaware St., Berkeley 3, Calif. MITRA, H. K. (I) 12 A Road East Jamshedpur E.R., India (Tata Iron & Steel Co., Ltd.) MIXER, William G., Jr. (W) 315 W. Lima' St., Findlay, Ohio (Radio Corp. of America) MOCHEL, John M. (B) 218 Chemung St., Painted Post, N. Y. (Coming Glass Works) MOCKRIN, Isadore (B) Pennsylvania Salt Mfg. Co. Research & Development Div. Box 4388 Chestnut Hill P.O. Philadelphia 18, Pa. MOEBUS, C. R. (M) United Clay Mines Corp., Trenton, N. J. MOFFAT, John, Jr. (R) 12255 Miranda St. North Hollywood, Calif. (Gladding, McBean & Co.) MOFFAT, John W., Jr. (R) Babcock & Wilcox Co. 2730 Koppers Bldg., Pittsburgh 19, Pa. MOFFETT, Robert A. (RI) North American Refractories Co. 1012 National City E. 6th Bldg. Cleveland 14, Ohio MOHANTY, Gajendra Nath (JI) Indien-Gemeinschaft Krupp-Demag G.M.B.H. Duisberg, West Germany MOHL, Helmuth (W) Fabrica de Loza "La Favorita" S.A. Palma Norte 308, Despacho 312 Mexico, D. F. MOHLER, Neal F. (SI) Champion Brick Co. 7600 Pulaski Highway, Baltimore 6, Md. MOHR, William C. (WI) Shenango China, Inc., New Castle, Pa. MOHUN, William A. (R) General Abrasive Co., Inc. 2000 College Ave., Niagara Falls, N. Y. MOLER PRODUCTS, LTD. Hythe Works Colchester, Essex, England MOLINA, Joao Jemandes Gimenes Ceramica Sanitaria Porcelit, S.A. Rua Itapura 626, Sao Paulo, Brazil MOLLER, J. Aall Porsgrunds Porselaensfabrik Porsgrund, Norway MONACK, A. J. (G) Box 305, Rutherford, N. J. (Consultant) MONAGLE, William T. (R) Lloyd Ave., Stanhope, N. J. (Reaction Motors, Inc.) MONETA, Fausto Via Mambretti 9, Milano, Italy (Ditta Giuseppe Moneta). MONG, Lewis E. (R) 8506 Loughborough PI. Chevy Chase 15, Md. (National Bureau of Standards) MONINGER, Richard E. (W) Harding Ave., East Liverpool, Ohio (Wellsville China Co.) MONKS, J. R. (G) 4714 Harbord Dr., Toledo 13, Ohio (Owens-Illinois) MONROE, Graham D., Jr. 2912 Alhambra Circle Coral Gables, Fla. MONTAGNO, Antonio M. (E) 69 Glenmont Ave., Columbus 14, Ohio (Inland Engineering Co.) MONTEMAYOR, Ponciano S., Jr. (X) Box 1081 Monterrey, Nueva Leon, Mexico MONTGOMERY, Earle T. (WFI) 12 W. Jeffrey PI., Columbus 14, Ohio (Consulting Engineer) MONTGOMERY, Eldwin C. (GI) Libbey-Owens-Ford Glass Co. Technical Dept., 1701 E. Broadway Toledo 5, Ohio MONTGOMERY, Thomas B. (R) Pittsburgh Plate Glass Co. 632 Ft. Duquesne Blvd. Pittsburgh 22, Pa. MONTGOMERY, Wayne C. (W) Aluminum Co. of America 230 Park Ave., New York 17, N. Y. MOODY, H. Leslie (D) Hyalyn Porcelain, Inc., Box 460 Hickory, N. C. MOODY, Willis E. (XI) 210 E. Franklin St., Raleigh, N. C. (North Carolina State College) MOONEY, Edward L. (W) General Laboratory Assoc., Inc. Norwich, N. Y. MOORE, Carleton B. Box 96, Alfred. N. Y. MOORE, Charles H. (B) P. R. Mallory & Co. 3029 E. Washington St. Indianapolis 6, Ind. Roster 55 1 j j(OORE, Dwight G. (EFI) Mineral Products Division National Bureau of Standards Washington 25, D. C. jjOORE, H. Dept, of Glass Technology University of Sheffield Elmfield, Northumberland Rd. f. . Sheffield 10, England /OORE, Henry (G) 38 Potter Ave. West New Brighton Staten Island, N. Y. (Metro Glass Co.) |[OORE, James M. (S) Ashe Brick Co., Van Wyck, S. C. jfOORE, John G. (W) 1 405 E. Poplar St., Robinson 2, 111. (W. A. Case & Son Mfg. Co.) tfOORE & MUNGER (Murray Ruslunore, Jr.) 33 Rector St. New York 6, N. Y. jfOORE, Richard S. (RI) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Is * Pittsburgh 22, Pa. IjjOORE, Robert F. (R) 3345 Forbes St., Pittsburgh 13, Pa. (Jones & Laughlin Steel Co.) HORAN, J. J. (G) Landis Ave. & Spring Rd. Vineland, N. J. (Kimble Glass Co.) fjlORELL, N. L. (M) 313 Union Bank Bldg., Bethlehem, Pa. (N. L. Morell Co.) jlORENA, Alfred (WI) j- 90 Hazel St., Clifton, N. J. 5 (Mucon Corp.) HORGAN, John M. (WJ) j 718 Rankin Ave., Schenectady 8, N. Y. \ (General Electric Co.) ]H0RGAN, Raymond W. (R) I R. W. Morgan Co., 12099 Woodbine j Detroit 39, Mich. MORGAN, Robert A. (WI) )Pass & Seymour, Inc., Syracuse, N. Y. fRGAN, Stuart F. (WI) la "Marshnere", Mattapoisett Neck Rd. Mattapoisett, Mass. j . (J. I. Paulding, Inc.) iKORGAN, Willard L. (G) i 1203 Moundview Ave., Newark, Ohio (Owens-Coming Fiberglas Corp.) Morgan, william r. (gfi) ; 1343 Brookwood, Birmingham, Mich. * (Peninsular Grinding Wheel Div. 1 Abrasive & Metal Products Co.) jiORNIN, Bob L. (WI) i 3885 Pierce, Wheatridge, Colo. T (Coors Porcelain Co.) HORREN, Georges 42 Bd Guillaume Van Haelen ' Forest, Brussels, Belgium (Diamant Boart) HORRIS, Ernest D. 15 Irby Rd., Heswall, j Cheshire, England s (Morgan Refractories Ltd.) Morris, Frank (W) } 236 Greenpoint Ave. i Brooklyn 22, N. Y. T (Leviton Mfg. Co., Inc.) HORRIS, George J. (E) Research Dept., Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio 'ORRIS, Irvine H. (W) Ferro Corp., 4150 E. 56th St. Cleveland, Ohio fORRis, John L. (D) | 14427 Allingham, Norwalk, Calif. 1 (Durochrome Decalcomania Co., Inc.) ^RRIS, Paul R. (G) fittsburgh Plate Glass Co. Jreighton. Pa. fORRis, W. C. (G) 1251 Mayfield Ridge, Qeveland 24, Ohio (Harshaw Chemical Co.) 34, No. 10 (1955) MORRISON, Boone H. (G) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. MORRISON, R. F. (M) 384 Gulf Rd., Elyria, Ohio (Harshaw Chemical Co.) MORRISON, Wallace S. (E) Illinois Water Treatment Co. 840 Cedar St., Rockford, 111. MORSE, Arthur E. 17 Cherry St. Wright-Patterson AFB, Ohio 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. (S. 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. Zanesville, Ohio MOSER, Berthold B. Industria Ceramica, Ltda. Apartado Aereo 4829, Bogota, Colombia MOSER, John B. (S) 786 Warren St. Galesburg, 111. (Purington Brick & Tile Co.) MOSER, John L. (RI) 1210 Acorn Dr., Dayton 9, Ohio (Carborundum Co.) MOSS, LeRoy L. (El) Box 16, Solon, Ohio (Ferro Corp.) MOTSCH, F. R. (G) Foster-Forbes Glass Co., Marion, Ind. MOULD, Richard E. (G) Preston Labs., Box 149, Butler, Pa. MOULD, W. J. (W) Steubenville Pottery Co. Steubenville, Ohio MOUNT CLEMENS POTTERY CO. (Charles E. Doll) Mount Clemens, Mich. MOURAUD, Paul H. (W) 14 Ingleside Rd. Upper Montclair, N. J. (Page-Madden Co.) MOWREY, Fred W. (GI) 108 Rodgers Dr., New Kensington, Pa. (American Window Glass Co.) MUAN, Amulf (B) Pennsylvania State University 23 Mineral Sciences Bldg. University Park, Pa. MUELLER, Edward E. (RI) School of Mineral Engineering University of Washington Seattle 5, Wash. MUELLER, Ferd A. (R) 1360 Rudd, Canon City, Colo. (Freeman Fire Brick Co.) MUELLER, James I. (BI) Ceramic Engineering Division School of Mineral Engineering University of Washington Seattle 5, Wash. MULLADY, Russell E. (M) 459 E. High St., New Philadelphia, Ohio (Titanium Alloy Mfg. Div., National Lead Co.) MULLAN, Joseph (S) Champion Brick Co. 7600 Pulaski Highway Baltimore 6, Md. MULLEN, Willard F. (M) R.R. 1, State College, Pa. (Consultant) MULLER, Gerhard Staatliche Porzellan-Manufaktur Berlin Hartmannstrasse 1-3 (13a) Sdb/Oberfr. U. S. Zone, Germany MULLER, Max (RI) Basic Refractories 845 Hanna Bldg., Cleveland 15, Ohio MULLER, Robert Ste. Emaillerie de St. Maurice 29 Rue du Val d'osne St. Maurice, France MULLIGAN, Edwin F. (E) Jones Metal Products Co. West Lafayette, Ohio MULLITE REFRACTORIES CO. (Edward L. Bohn) 10 Canal St., Shelton, Conn. MULROY, James P. (El) 965 Lafayette Ave., Buffalo 9, N. Y. MULRYAN, Henry (W) Sierra Talc & Clay Co. Box 390, South Pasadena, Calif. MULVANE, O. E. (E) 4138 N. 21st St, Milwaukee 9, Wise. (A. O. Smith Corp.) MUNDY, O. S. (WI) 426 Park Ave., Wheaton, 111. (Western Electric Co.) MURGATROYD, John B. Rockware Glass, Ltd., Rockware Ave. Greenford, Middlesex, England MURPHY, Harry T. (R) Climax Fire Brick Co., Climax, Pa. MURPHY, Remington M. (W) 7744A Wagner Way Lynnewood Gardens Elkins Park 17, Pa. (International Resistance Co.) MURRAY, Ernest L. (M) United States Ceramic Tile Co. East Sparta, Ohio MURRAY, Louis J. Vaal Potteries, Ltd., Box 49 Meverton, Transvaal, South Africa MURRAY, Maurice A. (WI) Redding Place, Towaco, N. J. (B. G. Corp.) MURRAY, Robert S. (G) B. F. Drakenfeld & Co., Inc. Washington, Pa. MUSSELMAN, H. G. (G) 4413 Old Frederick Rd. Baltimore 29, Md. (Carr-Lowrey Glass Co.) MUTTITT, F. C. (R) Algoma Steel Corp. Sault Ste. Marie, Ont., Canada MYCALEX CORP. OF AMERICA (Richard A. Humphrey) Clifton Blvd., Clifton, N. J. MYERS, C. H. (S) Utah Fire Clay Co. Box 127, Salt Lake City, Utah MYERS, Charles V. (W) Eljer Co., Third Ave., Ford City, Pa. MYERS, Wilbur C. (B) 2401 Malden Rd., Qeveland 21, Ohio (Brush Electronics) MYERSON, Martin (W) Myerson Tooth Corp. 90 Hamilton St., Cambridge Mass. MYGDAL, Rolf L. (W) 412 Florence Ct., Florence, Ala. (Stylon Southern Corp.) N NADLER, Marion R. (R) 5825 Enright Ave., Dayton 3, Ohio (Wright-Patterson Air Force Base) NAGAN, Harold R. 4537 Spruce St., Philadelphia, Pa. NAKAMURA, H. Henry (B) Armour Research Foundation of Illinois Institute of Technology 3427 S. Federal St., Chicago 16, 111. Roster 57 \MURA, Yosllikazu ' sahi Glass Co. , 4-Chome, Ginza, Cho-ku okvo, Japan ER, John B. (S) 297 Burton Ave., Macon, Ga. C tee Brick & Tile Co.) HAN, Malur D. .m. 4-051, Ceramics Div. lassachusetts Institute of Tech, ambridge 39, Mass. T, Harold S. (DF) Jniversity of Cincinnati Ceramics Dept., Cincinnati 21, Ohio 3, Herbert (W) jouthern California Gas Co. lox 3249, Terminal Annex jos Angeles 54, Calif. CO CORP. (R. A. Shipley) :27 Fifth Ave., Pittsburgh 22, Pa. IONAL ENGINEERING CO. SIMPSON MIX-MULLER DIV. E. B. Henby) >49 W. Washington Blvd. Chicago 6, 111. IONAL INDUSTRIAL SAND ASSN: (V. P. Aheam) .325 E St., N.W., Washington 4, D. C. IONAL LEAD CO. (Alex Stewart) 111 Broadway, New York 6. N. Y. IONAL LIME AND STONE CO. (L. G. Love) First National Bldg. Findlay, Ohio IONAL REFRACTORIES CO., INC. (R. A. Hitchins) 17th Floor Lewis Tower Bldg., 225 S. 15th St. Philadelphia 2. Pa. 'IONAL RESEARCH CORP. (Philip J. Clough) 70 Memorial Dr. Cambridge 42, Mass. JDOT, Jacques Directeur Cerabati Pont-Sainte-Maxence (Oise), France /IAC Louis (BF) R 'sh Lab., General Electric Co. Tt holls, Schenectady, N. Y. YRATIEL, Hans Jahnstr. 3, Lauf/Pegnitz Bavaria, Germany (Sembach & Co) VL, James E. (R) 164 Sandford Ave. North Plainfield, N. J. (Johns-Manville, Inc.) ALON, Terence P. (J) Edward Curran Engineering, Ltd. Cardiff, Wales DREBERG, Roy E. G. 315 Putnam Ave., Zanesville, Ohio ELY, Homer E., Jr. (G) 404 E. 11th Ave., Tarentum, Pa. (Pittsburgh Plate Glass Co.) -FF, Edward D. (R) Box 205, Templeton, Pa. (Harbison-Walker Refractories Co.) iFF, John M. (S) Armour Research Foundation 10 W. 35th St., Chicago 16, 111. SFF, Russell C. (R) General Refractories Co. Olive Hill, Ky. &MAN, Robert (R) Whip-Mix Corp., Inc. V 411 W. Avery Ave., Louisville 8, Ky. 4SON, Forrest W. (El) A. O. Smith Corp., 3533 N. 27th St. Milwaukee 1, Wise. 7-SON, James A. (R) University of Illinois ^204 Ceramics Bldg., Urbana, 111. James W. >n. R. R. 2, Salt Lake City, Utah --, Robert T. (R) 20 Spring St., Seneca Falls, N. Y\ ..(Sylvania Electric Products, Inc.) C-SON. Robert T. (R) | Columbia-Geneva Steel Co. E90X 510, Provo, Utah P;34, No. 10 (1955) NELSON, William I. (GJ) 118 Mary St., Binghamton, N. Y. (Solvay Process Div., Allied Chemical & Dye Corp.) NERENSTONE, Marc A. (XJ) 311 W. 75th St., New York 23, N. Y. NETTER, William S. (G) Keystone Abrasive Wheel Co. Gregg & Hammond Aves., Carnegie, Pa. NETZSCH, Eric Maschinenfabrik Gebrueder Netzsch .Werkstrasse 19 Selb (Bayern), Germany NEUHAUS, Jacques 18 Rue Charles Laffitte Neuilly Sur, Seine, France (Etablissements Jean Neuhaus) NEUMANN, Paul D. (G) 2 Knox St., Campbell, N. Y. (Corning Glass Works) NEW, Ryland J. (S) National Sewer Pipe Ltd. Box 36, Oakville, Ont., Canada NEWARK, Frank F. (W) 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 NEW CASTLE REFRACTORIES CO. (R. W. Rowland) New Castle, Pa. NEWCOMB, Rexford, Jr. (El) 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) Portland Cement Association Fellowship National Bureau of Standards Washington 25, D. C. NEWMAN, Robert W. (G) Edan Ave, Springdale, Conn. (General Electric Co.) NEWPORT, John J. (R) Dow Chemical .Co, Bldg. B 1220 Freeport, Texas NEWTON, Avery C. (R) The Refractories Institute First National Bank Bldg. Pittsburgh 22, Pa. NICHOLSON, Albert H. (D) Federal Glass Co. 515 Innis Ave, Columbus 7, Ohio NIEMAN, A. H. (G) Ohio Lime Co, Woodville, Ohio NIKLEWSKI, B. K. Main Enamel Mfg. Co, Ltd. Gothic Works, Angel Rd. Edmonton, London, N. 18, England NILES FIRE BRICK CO. (J. R. T. Clingan) 165 E. Park Ave. 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.) NIXEN, David (G) Raytheon Mfg. Co, 465 Centre St. Quincy, Mass. NIYOGI, D. P. M/S Bengal Enamel Works Ltd. P. O. Bengal Enamel Palta (24 Parganas) West Bengal, India XOBES, Frederick L. Carborundum Co, Ltd, Trafford Park Manchester 17, England NOBLES, Eugene L. (E) 3714 Torrington Ave, Cleveland 29, Ohio (Ferro Corp.) NOBLES, Melvin A. (B) Oklahoma A. & M. College Mechanical Engineering Dept. Stillwater, Okla. NOCK, Charles J. (R) 315 Front St, Berea, Ohio (Nock & Son Co.) NODA, Tokiti Dept, of Applied Chemistry Faculty of Engineering Nagoya University Chikusa-ku, Nagoya, Japan NOE, James T. (S) 411 Madison Ave, Brookville, Pa. (Hanley Co.) NOHLE, Richard C. (SJI) Claycraft Co. Box 866, Columbus 16, Ohio NORANTE, Nicholas J. (W) 609 Spring St, Latrobe, Pa. (Stupakoff Ceramic & Mfg. Div, Carborundum Co.) NORDBERG, Martin E. (G) 134 E. Fourth St, Corning, N. Y. (Corning Glass Works) NORDGREN, Harry Aktiebolaget Gustavsberg Fabriker Gustavsberg, Stockholm, Sweden NORDMEYER, Rudy L. (S) Valley Brick & Tile Co, Box 353 Mission, Texas NORDQUIST, Clarence E. 4328 Bagley Ave, Seattle 3, Wash. NORDQUIST, Lawrence E. (BJ) Comell-Dubilier Electric Corp. 1605 Rodney French Blvd. New Bedford, Mass. NORDYKE, J. S. (MF) Hammond Lead Products, Inc. 1602 Oliver Bldg, Pittsburgh 22. Pa. NOREN, Saul c/o A. Korn, Creek Rd, Holley, N. Y. NORMANDEAU, Pierre (D) 3660 Hutchison St. Montreal 18, Que, Canada NORRIS, Charles R. (W) 4024 Diehl Ave, Cincinnati 36, Ohio (Charbeaux Pottery) NORRIS, Orin E. (R) Great Lakes Carbon Corp. Hancock Bldg. Niagara Falls, N. Y. NORRIS, Richard L. 633 Fourth W, Seattle 99, Wash. NORRIS-THERMADOR CORP. (Edgar H. Freeman), 20118 E. Valley Walnut, Calif. NORTH AMERICAN PHILIPS CO, INC. (C. J. Woods) Research & Control Instruments Div, 750 S. Fulton Ave, Mt. Vernon, N. Y. NORTH AMERICAN REFRACTORIES CO. 1012 National City E. Sixth Bldg. Cleveland 14, Ohio NORTH CAROLINA FELDSPAR CORP. (W. F. Deneen) Erwin, Tenn. NORTHWESTERN GLASS CO. (Edward S. Campbell) 5807 E. Marginal Way Seattle 4, Wash. NORTHWESTERN TERRA COTTA CO. (Burnette Purcell) 1750 Wrightwood Ave, Chicago 14, 111. NORTON, Charles L, Jr. (RF) Babcock & Wilcox Co, 161 E. 42nd St. New York 17, N. Y. NORTON CO. (O. J. Whittemore, Jr.) Worcester 6, Mass. NORTON, Frederick H. (BFI) Dept, of Metallurgy Div. of Ceramics Mass. Institute of Technology Cambridge 39, Mass. NORTON, James M. (R) 125 Kent Blvd, Salamanca, N. Y. (C. B. Norton & Son Co.) RQSTER 59 ORWALK, U. Marshall H. (XJ) WADC Area "B", Box 8604 Wright-Patterson AFB, Ohio NORWOOD, J. Nelson (Life, X) Alfred University, Alfred, N. Y. (OW, Otto R. (E) cago Vitreous Corp. J> S. 55th Ct., Cicero 50, 111. jOWELL, Dorroh L., Jr. (S) 202 Broad St., Augusta, Ga. (Merry Bros. Brick & Tile Co.) jYQUIST, Roy A. (G) 3650 BeetL.ray Blvd., Toledo 14, Ohio (Libbey-Owens-Ford Glass Co.) o jAKLEY, W. W. (GF) Box 35, Corning, N. Y. (Corning Glass Works) yBANNON, L. S. (E) 2239 Farleigh Rd., Columbus 21, Ohio (Battelle Memorial Institute) iBERST, Clair R. (M) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio i-BRIEN, Neil H. (SJ) 20 Central Dr., Port Washington, N. Y. )CHS, A. C., BRICK & TILE CO. (Elmer E. Apt) Springfield, Minn. (CONNELL, Thomas B. (G) !; Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio (CONNOR, Jerry B. (M) 1205 Edgewood Ave., Apt. B-3 Trenton 8, N. J. (O. Hommel Co.) )DOM, Paul R. (M) 4194 Villa Ave., Macon, Ga. (J. M. Huber Corp.) JESCH, Robert B. (S) Teague Brick & Tile Co., Teague, Texas 3ES-- 'U.E, Henry (E) g,; )h Enamel & Mfg. Co. fS\. Main & N. 24th Sts. SBelleville. 111. 1ESTERLE, Robert A. (E) 2427 W. Main, BeUeviUe, 111. fe(Roesch Enamel & Mfg. Co.) 1GDEN, D. P. (S) Ogden Engineering Co. ~ Box 218, Ottawa, 111. KDEN, Ellsworth P. (RF) ) Box 537, Granby, Colo. BDEN, John T. (GF) i Glass Industry K 55 W. 42nd St., New York 36, N. Y. BDEN, William D., Jr. (RI) j Island Route, Lock Haven, Pa. 1 (North American Refractories Co.) MARE, Charles A. (W) 1: American Cyanamid Co. I 30 Rockefeller Plaza l New York 20, N. Y. NO BRASS CO. (J. J. Taylor) rBarberton, Ohio NO CLAY CO. (Norinan E. Denison) Box 1776, Cleveland 5, Ohio 10 LIME CO. '(A. H. Nieman) Woodville, Ohio Mger, Lewis P. (G) ^209 Ridgeview Dr. :East Rochester, N. Y. KBausch & Lomb Optical Co.) PNrSTY, Lt. JG Basil (RJ) yNaval Exam Center, USNTC t Great Lakes, 111. ^hickory clay co. ytt. K Powell) j *i j'l, Paducah, Ky. \ W. J. (R) Seminole Ave., Claymont, Del. I. du Pont de Nemours & Co.) PtE' Frank c- (R) few9 Chamber of Commerce Bldg. ES&anapolis 4, Ind. 4, No. 10 (1955) OLIVER, John C. (E) Porcelain Enamel Institute 1145 19th St., N. W. Washington 6, D. C. OLSEN, Eric (D) R. R. 63, Dundee, 111. (Haeger Potteries, Inc.) OLSEN, John M. (G) E. I. du Pont de Nemours & Co., Inc. Electrochemicals Dept. Wilmington 98, Del. OLSEN, Rangwald S. (El) 1137 Grant St., Evanston, 111. (Armour Research Foundation) OLSON, E. E. (G) A. H. Heisey & Co., Newark, Ohio OLSON, Hjalmar Aktiebolaget Gustavsbergs Fabriker Gustavsberg, Sweden OLSON, Ole A. (R) 5 Wrenwood Court Webster Groves 19, Mo. (Laclede-Christy Co.) ONONDAGA POTTERY CO. (R. H. Pass) 1856-58 W. Fayette St. Syracuse 4, N. Y. ORAVEC, Joseph A. (S) 3731 N. Newland Ave., Chicago 34, 111. OREFRACTION, INC. (Albert L. Kreuer) 7425 Thomas St. Pittsburgh 8, Pa. ORMSBY, Walter C. National Bureau of Standards Washington 25, D. C. ORNELLA, LeRoy F. (GJ) 3206 Upton Ave., Toledo 6, Ohio (Glass Fibers, Inc.) ORR, David B. R.R. 2, Oneonta, N. Y. ORTEPIO, Salvatore (W) General Ceramics Corp., Crows Mill Rd. Keasbey, N. J. ORTH, Howard S. (W) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio ORTMAN, Fred B. (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. ORTON, EDWARD, JR., CERAMIC FOUNDATION (J. L. Carruthers) 1445 Summit St. Box 146, Sta. A, Columbus 1, Ohio ORTON, Mrs. Edward, Jr. 39 'W. Torrence Rd., Columbus, Ohio ORZANO, Michael J. (SI) Claycraft Co. Box 866, Columbus 16, Ohio OSAWA, H. K. (S) 3512 E. Fifth St., Los Angeles 63, Calif. OSBORN, Elburt F. (B) College of Mineral industries Pennsylvania State University University Park, Pa. OSBORN, Walton O. (R) North American Refractories Co. Water St., Lock Haven, Pa. OSBORNE, David G. Lemington Glass Works Ltd. Lemington Newcastle-on-Tyne 5, England OSTERHOLTZ, Carl (R) A. P. Green Fire Brick Co. Mexico, Mo. OSTMAN, Emil L. (E) 862--43rd St., Brooklyn 32, N. Y. (Bettinger Corp.) OSTRANDER, Eugene C. (G) Kopp Glass, Inc. Box 8255, Swissvale, Pittsburgh 18, Pa. OTLEY, J. D. (S) John B. Kelly Inc. of Penn. 1720 Cherry St., Philadelphia 3, Pa. OTTAWA SILICA CO. (George A. Thornton) Box 437 Ottawa, III. OTTO. George H. (S) 53 W. Jackson Blvd., Chicago 4, 111. (Consultant) 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. Funke) Box 1019, Oakland 4, Calif. OWENS-ILLINOIS (E. W. Summers) Technical Center, Box 1035 Toledo 1, Ohio OWENS, James S. (W) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. P PABST, John G. (M) 552 N. Main St., Butler, Pa. (Saxonburg Ceramics) 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. PACIFIC COAST BORAX CO. (M. H. Pickard) Div. of Borax Consolidated, Ltd. 100 Park Ave., New York 17, N. Y. PACKMAN, Willard D. (WI) E. M. Knowles China Co. East Liverpool, Ohio PADEN CITY POTTERY CO. (Merrill C. Sondles) Paden City, W. Va. PADFIELD, Ralph C. (R) Apt. 10F, Parlchurst Apts. Bethlehem, Pa. (Bethlehem Steel Co.) PADILLA, Federico Apartado Postal 26783, Mexico, D. F. (Electroceramica, S. A.) PAFF, John A. (G) 232 N. Sixth St., Reading, Pa. (Willson Products, Inc.) PAFFORD, Ray W. (SF) Acme Brick Co. Box 425, Fort Worth 1, Texas PALADINO, Albert E., Jr. Box 826, Alfred, N. Y. PALMER, Delos M. (D) 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) 502 N. Cross St., Newcomerstown, Ohio (Clay City Pipe Co.) PALMERI, Victor R. (E) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio PALMOUR, Hayne III (BI) Box 204, Signal Mountain, Tenn. (American Lava Corp.) PALOMBI, Lawrence M. Box 108, Elbridge, N. Y. PALTZER, Clifford (XJ) 1100 Peace St., Pella, la. PAPER MAKERS IMPORTING CO., INC. (Charles Brian) 44 S. Second St., Easton, Pa. PAPIER, Harry (S) Natco Corp., Box 267, Cordova, Ala. Roster 61 'IS, James 33 Brookline Ave., Boston IS, Mass. ;EL, Martin W. (W) obertson Mfg. Co. ox 848, Trenton 5, N. J. K1' Niranjan M. (B) U fgy Dept. cit. ,.nc Laboratory ord Motor Co., Dearborn. Mich. :ER, Glidden M., Jr. (D) lidden Pottery, Inc., Alfred, N. Y. :ER. Harry (BI) )I5 Quebec Terrace ilver Spring, Mu. National Bureau of Standards) :ER, James W., Jr. (S) ,R. 3, Shakespeare Rd. olumbia, S. C. Carolina Ceramics, Inc.) 'ER, Leon (G) !. I. Thompson Fiber Glass Co. '33 Cordova St., Los Angeles 7, Calif. :ER, Raymond W. (S) lliance Clay Product Co. ox 746, Alliance, Ohio EER, Jess H,, Jr. (G) wens-IUinois, Technical Center '00 N. Westwood, Toledo, Ohio HAM, H. eneral Refractories Ltd. 'orksop, England ON, James A. (WI) 117 Broadway, Indianapolis 20, Ind. /"itroseal Corp.) ONS, -Douglas E. (S) rilding Technology Division ational Bureau of Standards ashington 25, D. C. ONS, J. R. (R) licago Fire Brick Co. 31 S. Ashland Ave.. Chicago 20, 111. HAL, Forrest A. (M) ox 289, Siler City, N. C. luh Warco Corp.) , i A. (BFI) ivis. . of Mineral Technology niversity of California :rkeley 4, Calif. Y, Stanley F,, Jr. (R) :ramic Supply Co., Crooksville, Ohio J. S. (W) ss & Seymour, Inc., Solvay Sta. Boyd Ave., Syracuse 9, N. Y. R. H. (W) aondaga Pottery Co. 56--58 W.. Fayette St. racuse 4, N. Y. & SEYMOUR, INC. (J. S. Pass) >lvay. Station, 50 Boyd Ave. racuse 9, N. Y. RSON, G. W. (R) ifractories Engr. & Supplies, Ltd. ' Clinton St., Hamilton, Ont., Canada ICK, Robert F. (El) unco Corp. 54 Greenmount Ave. iltimore 18, Md. ERSON. Harvey E. (M) L. Smith Co. 35 N. 32nd St., Milwaukee 10, Wise. ERSON, Richard C. (W) tited States Ceramic Tile Co. rkersburg, W. Va. SON, Fred H. (R) Greendale Ave., Worcester 6, Mass, iorton Co.) 1SH, Arnold E. (GF) 04 Clarkson Rd. cveland Heights 18, Ohio leveland Supply Co.) OWSKI, Edward J. (W) Mo- St., Amsterdam, N. Y. tica'L llator Co.) -E, u..arles S. (F) nerican Ceramic Society '5 N. High St., Columbus 14, Ohio :H. Howard C. (WJI) 09 Woodington Rd., Baltimore, Md. ocke Dept., General Electric Co.) 34, No. 10 (1955) v PEARCH, William M. (WI) Akron Porcelain Co., Akron 14, Ohio PEARSON, Edward P. (R) Basic Refractories, Inc. P. O. Fostoria, Ohio PEARSON, E. J. & J., LTD. (Charles A. G. Thomas) Firebrick Works Stourbridge, England PEASE, Philip J. (G) 1405 Washington Ave. Parkersburg, W. Va. (Demuth Glass Works, Inc.) PECHMAN, Alexander (WI) 614 N. Caswell, Pomona, Calif. (Pomona Tile Mfg. Co.) PECK, J. Clair (SI) 634 W. King St., York, Pa. (Glen-Gery Shale Brick Corp.) PECKHAM, George W. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. PECKHAM, Robert H. (G) Pennsylvania Optical Co. 234 S. Eighth St., Reading, Pa. PEDRICK, W. W. (G) Armstrong Cork Co., Millville, N. J. PEDU, Richard K. (MI) 129 Chestnut St., Garden City, N. Y. PEEL, G. N. . Associated Lead Manufacturers Ltd. Crescent House Newcastle-on-Tyne, 1, England PEILER, Karl E. (GF) Hartford-Empire Co. Div. Emhart Mfg. Co. Box 1620, Hartford 2, Conn. PEKAREK, Edward G. (B) 4898 Waldamere Ave., Willoughby, Ohio (Thompson Products, Inc.) PELZ, Robert W. (El) 2706 Grovewood, Parma 9, 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 6, Wash. PENCE. Forrest K. (WFI) 1609 Scenic Dr., Austin 3, Texas PENNSYLVANIA PULVERIZING CO. (William J. Woods, Jr.) Two Gateway Center Pittsburgh 22, Pa. PENTECOST, Joseph L. University of Illinois 204 Ceramics, Urbana, 111. PERENY, Andrew (M) Pereny Equipment Co. 893 Chambers Rd. Box 153, Station A, Columbus, Ohio PERKINS, Harrell L. (M) Central of Georgia Railway Co. 501 Rhodes-Haverty Bldg. Atlanta 3, Ga. PERKINS, Walter W. (WI) 600 De Witt St., Linden, N. J. (U. S. Stoneware Co.) PERRY, Robert F. (WI) Box 283, Victor, N. Y. (Victor Insulators, Inc.) PERRY, Robert W. Box 787, Alfred, N. Y. PERRY, T. Ray (SJ) 1816 S. E. 20th St. Mineral Wells, Texas . (Acme Brick Co.) 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. (G) 113 Hendy Ave., Elmira, N. Y. (Coming Glass Works) PETERSEN, Fred A. (EFI) Hunter-Thomas Associates 2130 Keith Bldg., Cleveland 15, Ohio PETERSON, Albert F. 90 Fresh Pond Pky. Cambridge 38, Mass. PETERSON, Jack D. (G) 3029 123rd St., Toledo 11, Ohio (Kimble Glass Co.) PETERSON, Jack L. (RI) 9911 Calmada Ave., Whittier, Calif. (Melvin L. Jontz Co.) PETERSON, W. H., Jr. (R) Valentine Fire Brick Co. Div. A. P. Green Fire Brick Co. Woodbridge, N. J. PETRIE, Earl C. (RFI) North American Refractories Co. 1012 National City E. Sixth Bldg. Cleveland 14, Ohio PETRIE, Lloyd R. (W) 305 Western, Abingdon, 111. (Abingdon Potteries, Inc.) PETT, Tyler G. (G) 261 Antlers Dr., Rochester 18, N. Y. (Bausch & Lomb Optical Co.) PETTY, Frank (W) 2771 W. 230th St Fairview Park 26, Ohio (Cleveland Ceramic Corp.) PETTY, Howard E. (S) 3131 Ryons, Lincoln 2, Nebr. (Yankee Hill Brick Mfg. Co.) PEZDIRTZ, David 2013-F Red River, Austin 5, Texas PFAUDLER CO. (Sidney W. McCann) 1000 West Ave., Rochester 3, N. Y. PFEIFF, C. H. (R) Curran-Pfeiff Corp. Box 527, Metuchen, N. J. PFEIFFER, Wilbur H. (EFI) Engineering Lab., Plant 2 Frigidaire Div., General Motors Corp. Dayton 1, Ohio PFLEGER, George E. (M) Harshaw Chemical Co. 3237 S. Garfield, Los Angeles 22, Calif. PHADKE. V. S. Central Potteries, Ltd. Ttwari, Nagpur 2, India PHELPS DODGE CORP. MORENCI BRANCH (L. L. McDaniel) Morenci, Ariz. PHELPS, Girard W. (M) 410 E. Magnolia Dr., Morrisville, Pa. (United Clay Mines Corp.) PHELPS. Stuart M. (RF) Mellon Institute. Pittsburgh 13, Pa. PHILLIPS. Adrian W.. Jr. (R) 316 Fairmont Ave., New Castle, Pa. (Shenango China. Inc.) PHILLIPS, Charles J. (G) Radio Corp. of America RCA Victor Div., Bldg. 8-5 Camden, N. J. PHILLIPS. Edwin L. (MI) Carolina Pyrophyllite Co. Box 2414, Greensboro, N. C. PHILLIPS. Gordon D. (W) Olean Tile Co., Olean, N. Y. PHILLIPS, Jack E. (W) Box 44, Lakewood Ave. East Quogue, L. I., N. Y. (Brookhaven National Lab.) PHILLIPS, James G. (RI) Dept, of Mines & Technical Surveys Mines Branch, Industrial Minerals Div. Lydia St., Ottawa, Ont., Canada PHILLIPS, Leigh F. Box 87, East Quogue, L. I., N. Y. PHILLIPS, Richard A. 1836 Willow Ave., Niagara Falls, N. Y. PHILLIPS, W. Eric (G) Duplate Canada Ltd., Box 367 Terminal A, Toronto, Ont., Canada PHOENIX, Richard Carl (WJI) R.R. 1, Wynnewood Bound Brook, N. J. (Moore & Munger) Roster 63 1ARD, M. H. (M) 'acific Coast Bdrax Co. ' )iv. of Borax Consolidated, Ltd. 00 Park Ave., New York 17, N. Y. :ETT, A. R. (R) vluminum Co. of America SOI Alcoa Bldg., Pittsburgh 19, Pa. F Irthur O. (M) O'- ivor Court Rd. lochester 10, N. Y. Heany Industrial Ceramic Corp.) :CE GLASS CO. (J. G. Bozzo) lailroad Ave., Port Allegany, Pa. CE, J. Allen (R) 98 Chalmers PI., Pittsburgh 16, Pa. Harbison-Walker Refractories Co.) PONT, Harlan T,, Jr. (R) Iorton Co., 1 New Bond St. Worcester 6, Mass. TT, Phillip G. (X) 00 Keystone Ln., Oak Ridge, Tenn. INGTON, Lawrence H. A. Icssrs. Pilkington Bros., Ltd. llass Works, St. Helens, England ZINGTON'S TILES OUTH AFRICA (PTY.) LTD. G. N. Downing) Box 70 Ieyerton, Transvaal, South Africa US, Alexis G. (W) 061 Glenwood Blvd. chenectady 8, N. Y. General Electric Co.) fEY, J. M. (W) tarker Pottery Co. ast Liverpool, Ohio OW, Harley R. (W) 'ond St., R. R. 19 last Liverpool, Ohio Hall China Co.) >TTI, Fred D. (G) 324 Middlesex Dr., Toledo, Ohio Kimble Glass Co.) LA, J. Donald (R) loming Glass Works, Corning, N. Y. EN'--R, John T. (W) Sox | Newell, W. Va. Hon... Laughlin China Co.) MAN, Jack 932 E. Mercer Way lercer Island, Wash. MAN, William C. (R) 119 Omena PL, Cincinnati 38, Ohio Chas. Taylor Sons Co.) S, Joseph W. (E) 714 Beech Ave., Bethesda 14, Md. National Bureau of Standards) SBURGH CORNING CORP. Walter D. Ford) .esearch & Development Div. ort Allegany, Pa. SBURGH PLATE GLASS CO. S. F. Cox) Creighton, Pa. EY, Francis V. (S) 58 Grand St., Newburgh, N. Y. IE, Tom M. (WI) telipot Corp. 16 Meridian St. outh Pasadena, Calif. iE, Thomas M., Jr. (W) 413 W. 116th St., Inglewood 4, Calif. Helipot Corp.) '.GE, Vernon L. (G) 89 Park Ave., East Orange, N. J. Westinghouse Electric Corp.) JJE, Christian W. (RI) ox 3152, Seattle 14, Wash. Gladding, McBean & Co.) JJE, Theodore J. M. (B) Summit Ave., Rolla, Mo. Missouri School of Mines) .'KENHORN, William J. (El) hicai iitreous Corp. 427 . 3th Ct. icero 50, 111. SANTS, Luther E., Jr. (G) 302 Brookfield Rd., Richmond, Va. Allied Chemical & Dye Corp.) 34, No. 10 (1955) PLOETZ, Edwin C. H. (El) . 680 S. Lincoln Ave.,- Kankakee, 111. (A. O. Smith Corp.) PLOETZ, Gdorge L. (W) 261 Swaggertown Rd., Scotia 2, N. Y. (General Electric Co.) PLUMBO, Victor A. (G) General Glass Equipment Co. 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, J. H. (G) Box 973, Toledo 1, Ohio (Glass Fibers Inc.) PLUMMER, Norman (M) State Geological Survey of Kansas Lawrence, Kans. PLUNKETT, Jerry D. 78 Westgate, Cambridge 39, Mass. PLUSCH, John A. (W) 63 Spruce St., Westfield, Mass. (Cortland Grinding Wheels Corp.) POFFENBERG, Scott (M) 11616 Chenault St. Los Angeles 49, Calif. POISSON, Louis Faiencerie de Badonviller Badonviller, Meurthe et Moselle, France POLAND, Milton E. (WJI) 523 S. Pleasant St., Royal Oak, Mich. (Champion Spark Plug Co.) POLAR, Alfredo (W) National Tile & Mfg. Co. Anderson, Ind. POLE, Gordon R. (BFI) 2592 S. Shore Blvd. White Bear Lake 10, Minn. (Minnesota Mining & Mfg. Co.) POLES, Alfred P. (W) 325 Arborlea Ave., Morrisville, Pa. (Clifton Ceramic Mfg. Co.) POLHEMUS, D. W. (R) Carborundum Co., Bristol, Pa. POLK, Arthur E. (W) R. R. 1, Dowagiac, Mich. (Produce Terminal Corp.) POMEROY, William T. (W) Sterling China Co. East Liverpool, Ohio POND, Marvin H. (W) 221 Ridge Ave., Gettysburg, Pa. (Keystone Ridgeway Corp.) POOLE, James P. (G) Brockway Glass Co., Inc., Plant 2 Brockway, Pa. PORCELAIN METALS CORP. (P. B. McBride) 1400 S. 13th St. Louisville 10, Ky. PORST, Edward G. (El) 1418 Stonewood Rd., Baltimore 12, Md. (Pemco Corp.) PORTER, Frank R. (EFI) 318 E. Clark St., Crown Point, Ind. (Inland Steel Co.) PORTER, J. L. (B) Kaiser Aluminum & Chemical Corp. 1924 Broadway, Oakland 10, Calif. PORTER, Sidney C. (R) Box 34, East Liverpool, Ohio (Consultant) PORTER, Wallace S. (W) Universal-Rundle Corp., Box 188 Hondo, Texas POSEY IRON WORKS, INC. (Frank A. Fix) Lancaster, Pa. POSLUSZNY, Raymond F. (R) 242 E. Meehan Ave. Philadelphia 19, Pa. (Refractory Specialties Co.) POST, Benjamin F. (RI) Cortland Grinding Wheels Corp. Chester, Mass. POST, Zarr A. (W) . 5020 Elm St. Bethesda, Washington 14, D. C. (Division of ACF Industries, Inc. ACF Electronics) POSTE, Emerson P. (EFI) 309 McCallie Ave. Chattanooga 3, Tenn. (Consultant) POSTLEWAITE, Donald E. (WI) Universal-Rundle Corp., Box 300 Redlands, Calif. POTTER, Alan 35 Shepard St., Rochester, N. Y. POTTER, John F. (W) Bell Telephone Lab. Murray Hill, N. J. POTTERS SUPPLY CO. (William W. Irwin) 11 Washington St. East Liverpool, Ohio POTTS, Amos P. (SF) 359 E. Main St., Logan, Ohio (Logan Clay Products Co.) POUILLY, Marcel L. (E) 118 Berkshire Ct., Apt. B Hasbrouck Heights, N. J. (Scientific Electric Co.) POULOS, Nick E. (B) 1764 Flagler Ave. N. E., Atlanta, Ga. (Georgia Institute of Technology) POULTON, Robert F. (W) 2763 N. Congress Rd., Camden 4, N. J. (Universal-Rundle Corp.) POUNDSTONE, William W. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. POWELL, John A. (W) 429 S. West End Ave., Lancaster, Pa. (Radio Corp. of America) POWELL, L. F. (M) Old Hickory Clay Co., Box 271 Paducah, Ky. POWELL, O. E. (S) Indiana Drain Tile Co., Inc., Box 66 Brooklyn, Ind. POWELL, Richard H. (M) 1279 N. Main St., Jamestown, N. Y. POWER, Henry R. (R) 1020 James Ave., Niagara Falls, N. Y. (Consultant) POWERS, Don W. 1201 Highland Ave., Abilene, Texas POWERS, Edwin G. (S) Cia. Mexicana de Tubos de Albanal S. A. Avenida Marina National No. 200 Mexico 17, D. F. POWERS, George H. (R) 80 Clairmont Ave., Westwood, N. J. (Norton Co.) POYNOR, T. Wythe (S) Acme Brick Co., Box 1278 Oklahoma City, Okla. POZEFSKY, Leo (R) 1109 Boulevard, New Milford, N. J. (Joseph Dixon Crucible Co.) PRACHANKHADEE, Manoon Dept, of Science, Ministry of Industry , Bangkok, Thailand PRALOW, Walter E. L. Zahnfabrik Wienand Sohne & Co., GmbH, Krs. Offenbach/Main Sprendlingen, Germany PRATT, Donald S. (E) 3422 Eighth Ave., Beaver Falls, Pa. (Ingram-Richardson Mfg. Co.) PRECISION GRINDING WHEEL CO.. INC. (Roland J. Clark) 8301 Torresdale Ave. Philadelphia 36, Pa. PRESCOTT, Frank R. (G) 1811 Kimball Ave., Arnold, Pa. (Pittsburgh Plate Glass Co.) PRESSEY, Clive (B) Minatron Corp., Belle Mead, N. J. PRESTON, Frank W. (G) Preston Labs., Box 149, Butler, Pa. PREWITT, J. K. (S) Elgin Standard Brick Mfg. Co. Elgin, Texas PREY, Arthur H. (MI) Carborundum Co., Niagara Falls, N. Y. Roster 65 ICE, Glen M. (R) General Refractories Co., Box 1673 Baltimore 3, *Md. ' ICE, James E. (RI) 1956 Guernsey Ave., Abington, Pa. (Simonds Abrasive Co.) IDDY, K. O. (S) Barium Reduction Corp. r ; Charleston 3, W. Va. II !EY, J. Edward Huntly Brick & Fireclay Co., Ltd. Box 14, Huntly, New Zealand IMM, Herbert E. (R) 1658 Elevado Ave., Arcadia, Calif. (Harbison-Walker Refractories Co.) NCE, Alan T. (BI) Mines Branch, Ottawa, Ont., Canada NDLE, William R. (G) 110 Mt. Lebanon Dr. Wheeling (Bethlehem), W. Va. (Hazel-Atlas Glass Co.) OR, Gordon M. (M) Bpx 101, Scotch Plains, N. J. (Whittaker, Clark & Daniels, Inc.) OR, Harold D. (MI) 1025 Connecticut Ave., N.W. Washington 6, D. C. (Titanium Alloy Mfg. Div., National Lead Co.) iCTER & GAMBLE CO. (D. R. Byerly) VI. A. & R. Bldg., Ivorydale 17, Ohio CTOR, Thomas M., Jr. (GJ) Homing Glass Works Homing, N. Y. CTOR, W. J., Jr. (B) Southern Clays, Inc., Gordon, Ga. KOPEC. Robert (G) 09 N. Tillotson Ave., Muncie, Ind. Ball Bros. Co., Inc.) MAT DIVISION, POOR & CO. A. E. Chester) 851 S. Market St. Vaukegan, 111. OR, Edward K. (R) 02 N. Acacia, Whittier, Calif. Pry- Giggey Co.) CE John P., Jr. (G) -eetu j Northrop Co. 901 Stenton Ave., Philadelphia 44, Pa. ITO RICO LAY PRODUCTS CORP. ?. Torres Campos) Box 4729 an Juan, Puerto Rico IAM, George R. 00 Miami Rd., Madeira, Ohio , Josef Vustria" United Enamel Works rilhelminenstr. 80 ienna XVI, Austria 'HREY, William I. urex Welding Processes Ltd. ertford Rd. altham Cross, Herts, England NEY, L. E. (RI) 0 E. Pleasant, Mexico, Mo. (exico Refractories Co.) LIDY, Alexander (R) 31-85th St., Apt. 5K dcson Heights 72, N.' Y. rabian American Oil Co.) SLL, Burnette (S) >rthwestem Terra Cotta Co. 50 Wrightwood Ave., Chicago 14, 111. SLL, Hugh J. (R) l Loretta St., Pittsburgh 17, Pa. nited States Steel Corp.) REFRACTORIES CO. E. Miller) Box 488 * Hill, Ohio Q -EY INC. (R. J. Demaison) Fit.ve.. New York 17, N. Y. , John F. (W) telle Memorial Institute King Ave., Columbus, Ohio 4, No. 10 (1955) QUIRK, Virgil P. (S) 3002 Allen St., Owensboro, Ky. (General Electric Co.) R R., Santiago E. Antunez de Mayolo Industria Nacional Ceramics y Anexos Casilla Postal 845, Lima, Peru RABE, N. A. (W) 10 W. Palmer Ave., Collingswood, N. J. (Universal-Rundle Corp.) RABIN, William J. (W) 19A-1 Redfield Village, Metuchen, N. J. (Ferricore, Inc.) RADCZEWSKI, Otto-Emst Institut fur Gesteinshuttenkunde Mauerstrabe 5, Aachen, Germany RADER, Jack E. (G) Box 46, Oak Harbor, Ohio (Dolite Co.) RADIO MATERIALS CORP. (R. D. Bourgerie) 3325 N. California Ave., Chicago 18, 111. RAGATZ, Eugene C. (M) Allen-Bradley Co. 136 W. Greenfield Ave. Milwaukee 4, Wise. RAGGON, Frank C. (G) 4202 Bowen Rd., Toledo 13, Ohio (Owens-Illinois) RAHE, Villem Box 233, Alfred, N. Y. RAIBLE, A. J. (W) Briggs Manufacturing Co. 71st St. & B & O Railroad Cincinnati 16, Ohio RAINE, Frank F. (RI) 111 E. Vine St., Mexico, Mo. (Mexico Refractories Co.) RAINEAR, John F. (S) 73 Sharon Ave., Hamburg, N. Y. (Buffalo Brick Corp.) RAIT, J. R. Research Controller Hadfields Ltd. East Hecla-Works, Sheffield 9, England RALSTON, O. C. (MF) 4333 Clagett Rd., Hyattsville, Md. (U. S. Bureau of Mines) RALSTON, Thomas E. (R) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. RAMM, Eric H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth, West Australia RAMSDELL, John L. 3897 W. 33rd St., Cleveland, Ohio RAMSDEN, C. E. C. E. Ramsden & Co. Ltd. Foley Colour & Chemical Works Fenton, Stoke-on-Trent, England RAMSEY, Thomas H,, Jr. 1615 Homewood PI., Dallas, Texas RAMTITE CO. (Louis J. Jacobs) 2563 W. 18th St., Chicago 8, 111. RANDOLPH, Hal F. (R) Mexico Refractories Co. Cole & Love Sts., Mexico, Mo. RANDOLPH, Robert L., Jr. (BJ) 6 N. Parkdale Dr., Chattanooga, Tenn. (American Lava Corp.) RANKIN, James J. (M) St. Joseph' Lead Co., Box 97 Monaca, Pa. RANKINE, Adam S. (R) Martinsville, N. J. (Johns-Manville Corp.) RANSOM, Robert S. American Ceramic Society 4055 N. High St., Columbus 14, Ohio RAPP, Carl H. (WI) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. RAPP, S. W., Jr. (W) Morton Pottery Co. 315 W. Jefferson St., Morton, 111. RASE, Daniel E. (B) Box 655, Alfred, N. Y. (State University of New York, College of Ceramics) RASMUSSEN, R. K. (G) Mississippi Glass Co., Fullerton, Calif. RASMUSSEN, Wayland G. (S) Mason City Brick & Tile Co. Mason City, la. RASSNER, Donald D. (SI) 605 Amory Ave., Cordova, Ala. (Natco Corp.) RATCLIFFE, Harry J. (M) 724 Bunker Hill Ave., Trenton, N. J. (Unique Kilns of Trenton, Inc.) RATCLIFFE, Temple W. (R) 244 Buffalo St., Beaver, Pa. (Babcock & Wilcox Co.) RATHMANN, Clyde L. (G) R. R. 3, Coming, N. Y. ' (Coming Glass Works) RAUCH) Harry W. (G) 415 W. Hickory St. East Rochester, N. Y. (Pfaudler Co.) RAUSCHER, Louis C. (G) 2374 Geneva Ave., Glenside, Pa. (Philco Corp.) RAY, E. Harold (M) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. RAY, John G. (G) . Sylvania Electric Products, Inc. Cottage Place, Mineola, L. I., N. Y. RAY, Sushil 20-C, Southern Ave., Calcutta 26, India REA, Robert F. (WI) Stupakoff Ceramic & Mfg. Co. Latrobe, Pa. REAGAN, Cornelius J. (S) 532 Woodmont St. East McKeesport, Pa. (Van Ormer Brick Co.) REBCHOOK, Gregory V. (W) Radio Materials Corp. 1708 W. Belmont Ave. Chicago, 111. REDLICH, Paul L. (M) Rotospray Mfg. Co. 562 W. Washington Blvd. Chicago 5, 111. REECE, Charles W. 105 S. Miller St., Greer, S. C. REED, A. J. (S) 521 Woodbine St., Willard, Ohio (National Clay Pipe Manufacturers, Inc.) REED, Carl E. (G) 1410 E. Main St., Lancaster, Ohio (Sharp-Schurtz Co.) REED, George Clifton, III 251 Tenth St., N. W. Apt. 48, Atlanta, Ga. REED, Leonard (J) 3, Grosvenor St., Canton Cardiff, S. Wales REED, Norman D. (SJI) What Cheer Clay Products Co. What Cheer, la. REED, Paul H. (R) 310'/, Fairmont Ave., New Castle, Pa. (New Castle Refractories Co.) REEVES, Harold (W) Box 30, East Palestine, Ohio (Fitzpatrick Industries Inc.) 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. Burlington, la. REGOUT, Joseph F. E. N. V. de Sphinx, Maastricht, Holland REID, Frank P. American Ceramic Society 4055 N. High St., Columbus 14, Ohio Roster 67 HD, Harry F., Jr. (M) McKay Co., 80S Grantly Rd., York, Pa. '.ILLY, Alfred `F., Sr. (W) Evans Case Co., 21 East St. North Attleboro, Mass. IMER, John J. (WI) Keystone Ridgeway Corp. Gettysburg, Pa. IN iter (W) t lomelia, Chicago 13, 111. (Lnicago Pottery Co.) INKER, Arthur G. (R) Johns-Manville Sales Corp. 1530 Guildhall Bldg. Cleveland IS, Ohio INKER, Gerald E. (G) General Electric Co., Lamp Div. 1133 E. 152nd St., Cleveland 12, Ohio 1SCHEL, Frank (W) 2733 Mayflower, Arcadia, Calif. (Dilectron Inc.) :SING, Joseph A. (M) St. Joseph Lead Co., Zinc Smelting Div. Monaca, Pa. SS, Max S. (E) 85 Howell St., Canandaigua, N. Y. 4DE, Harry F,, Jr. General Ceramics Corp. Keasbey, N. J. flNGTON, Victor H. (GI) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. IMEY, G. Bickley (RF) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. IMEY, John G. (R) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. IMEY, RICHARD C., SON CO. (G. Bickley Remmey) Hedley St. & Delaware River Philadelphia 37, Pa. PES, Paul E., Jr. (BJI) i4S2 Mitchell Dr., Page Manor Day 3, Ohio 'Ur ^States Air Force) FRLvV, J. Harvey (S) 11 Linden Park St., Roxbury 20, Mass. Herman G. Protze) OUF, Leonard J. (R) 42 Church St., Youngstown, N. Y. Titanium Alloy Mfg. Div., lational Lead Co.) 5KERS, Richard H. (WI) S Adelaide Ave., Highland Park, N. J. American Radiator & Standard Sanitary Corp.) JBLIC STEEL CORP. Burton Longwell) 1423 Republic Bldg. Cleveland 1, Ohio 1R, Margie K. 77 Carlisle Ave., Columbus 11, Ohio American Ceramic Society) 4ING, Charles R. (R) IS Boulevard, Westfield, N. J. National Refractories Co.) IING, George W., Jt. (RI) 79)4 E. Main St., Frostburg, Md. 3ig Savage Refractories Corp.) iCHE, Frank L. (W) 159 Clinton Ave., Irvington 11, N. J. Reusche & Co.) -ER, Raymond (R) ational Aluminate Corp. 116 W. 66 PL, Chicago 38, 111. OLDS. Harry M. (G) mite Co., Box 365, Sta. A. ilumbus, Ohio DS. James L. (GJ) 10 Springside Dr., Lancaster, Pa. ladio Corp. of America) ES, Daniel (D) tte T rsity of New York liege- Ceramics, Alfred, N. Y. ES, Foster T. (W) mndaga Pottery Co. racuse 4, N. Y. 54, No. 10 (1955) RHODES, Frank R., Jr. Georgia Tech, Box 3141, Atlanta, Ga. RHODES, Fraser B. (WFI) 7134 Maple Ave., Madeira, Ohio (Briggs Manufacturing Co.) RHODES, Ralph E., Jr. (M) United Clay Mines Corp. Oakland & Prospect Sts. Trenton 6, N. J. RHODES, Ralph R. (RFI) 1729 Powell St., Norristown, Pa. (E. J. Lavino & Co.) RHODES, William H. Box 827, Alfred, N. Y. RICCI, Edward Michael (RJI) 817 Main St., Dickson City, Pa. (Harbison-Walker Refractories Co.) RICE, George A. (W) General Electric Co., Gen. Engr. Lab. Bldg. 37, Rm. 299-21 Schenectady, N. Y. RICE, Hal H. (WI) 17 W. 25 Oak Lane Dr., Oakdale Woods Bensenville, 111. (Armour Research Foundation) RICE, Murray J. (B) Box 155, Alfred, N. Y. (State University of New York, College of Ceramics) RICE, William H. (G) General Electric Co. Glass Technology Laboratory 1133 E. 152nd St., Cleveland 10, Ohio RICH, Herbert W. (M) Box 435, Front Royal, Va. (Dominion Minerals Div., Riverton Lime & Stone Co., Inc.) RICHARD, Giulio A. Via Cemuschi 1, Milano, Italy RICHARDS, Thomas Z. (RJ) 80 Maple St., Greendale Sta. West Boylston, Mass. (Norton Co.) RICHARDSON, R. C. (S) Lovell Clay Products Co. Box 247, Lovell, Wyo. RICHARDSON, Robert M. (R) 5530 Fifth Ave., Pittsburgh 32, Pa. (Ramtite Co.) RICHMOND, Joseph C. (EFI) 4415 Fairfield Dr., Bethesda 14, Md. (National Bureau of Standards) RICHTER, Charles J. (G) Box 275, Canfield, Ohio RICK, Clarence A. (R) 441 La Sierra Way, Gilroy, Calif. (Kaiser Aluminum & Chemical Corp.) RICKER, Richard W. (El) Aluminum Co. of America Aluminum Research Labs. Box 772, New Kensington, Pa. RICKEY, Charles J. 200 Chapman Pl,, Elmira, N. Y. RICKEY, J. H., Jr. (R) Ironton Fire Brick Co. Box 536, Ironton, Ohio RIDDLE, Frank H. (WFI) 14 Upland Rd., Colorado Springs, Colo. (Champion Spark Plug Co., Ceramic Div.) RIDDLE, Robert F. (G) 522 Bigham Rd., Pittsburgh 11, Pa. RIDGEWAY, Thomas J., Jr. (RJ) General Refractories Co. Morrisville, Pa. RIEGERT, Richard P. (I) Box 995, Alfred, N. Y. RIEPER, Gerald 394 Pammel Court, Ames, la. RIGBY, James E. (G) Blue Ridge Glass Corp. Kingsport, Tenn. RIGTERINK, Merle D. (BF) Bell Telephone Labs. Murray Hill. N. J. RIIS. 'Asgeir (M) Robeson Process Co. 500 Fifth Ave., New York 16; N. Y. RIKER, Lebn W., Jr. (GJ) 3401 Frankfort St., Apt. 1 El Paso, Texas RILEY, James H. (S) 125 E. Ninth St., Jacksonville 6, Fla. (Rowland Tompkins & Son, Inc.) RILEY, Roger R. (R) 1774 Danesta Dr., Concord, Calif. (Gladding, McBean & Co.) RINDONE, Guy E. (G) Department of Ceramic Technology Pennsylvania State University University Park, Pa. RINGEN, Robert E. (M) Paul O. Abbe Co., 143 Center Ave. Little Falls, N. J. RISEDEN, 0. D. (W) American Lava Corp. Cherokee Blvd. Chattanooga 5, Tenn. RISPLER.Z. W. Palestine Glass Works "Phoenicia" Ltd., Box 168 Haifa, Israel RITLAND, Harold N. (G) Research Lab., Coming Glass Works Coming, N. Y. RITTER, Joseph S. (G) Adamston Flat Glass Div., Rolland Glass Co., Box 631 Clarksburg, W. Va. RITTLER, Hermann Box 827, Alfred University Alfred, N. Y. RITZ, Joseph W. (G) Sylvania Electric Products, Inc. 83-30 Kew Gardens Rd. Kew Gardens, L. I., N. Y. ROACH, H. C. (R) American Radiator & Standard Sanitary Corp. , 40 W. 40th St. New York 18, N. Y. ROBB, Richard B. (R) Chaucer Hall, 131 Edgewood Ave. Pittsburgh 18, Pa. (United States Steel Corp.) ROBBINS, David (W) 815Vi Crestmoore PL, Venice, Calif. (L. H. Butcher Co.) ROBBINS, Martin D. Rm. 4-051, Mass. Inst, of Tech. Cambridge, Mass. ROBBINS, Ross W., Jr. 25 Catherine St., Worcester, Mass. ROBERSON, Cletis L. (G) 350 Moull St., Newark, Ohio (Owens-Coming Fiberglas Co.) ROBERTS, John Taggart (El) 419 Park Blvd., Glen Ellyn, 111. (Crane Co.) ROBERTS, John W. (S) 3204 Hawthorne Ave., Richmond 22, Va. (Southern Lightweight Aggregate Corp.) ROBERTS, Mervin Francis (X) 116 Carpenter Ave. Crestwood, Tuckahoe 7, N. Y. (Port of New York Authoritvl ROBERTSON, James Ai (R) Westvaco Mineral Products Div. Box 337, Newark, Calif. 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, Randal K. (S) 906 University Tower Bldg. Montreal, Que., Canada (Laprairie Brick & Tile Co.) ROBERTSON, R. Kenneth (S) 101 St. Henri St. Laprairie, Que., Canada (Laprairie Brick & Tile Co.) ROBESON PROCESS CO. ('Asgeir Riis) 500 Fifth Ave., New York 36, N. Y. Roster 69 gOBINETTE, Oren J., Jr. Box 2284, Clemson College Station Clemson, S. C. ROBINSON CLAY PRODUCT CO. (W. E. Robinson) Box 1070 65 W. State St., Akron 9, Ohio jt'-'-'NSON, F. George (S) )0 S. Santa Fe Dr., Denver, Colo. (.Robinson Brick & Tile Co.) ROBINSON, Gilbert C. (S) Box 91, Clemson, S. C. (Clemson College) ROBINSON, Louis G. (E) Louis G. Robinson Labs. Box 761, Cincinnati 1, Ohio 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. (R) Robinson Clay Product Co. Box 1070, 65 W. State St. Akron 9, Ohio OBINSON, William L. R. R. 1, Deer Lake, Deer River, Minn. OBSON, H. L. (G) 2 Water St., Lewiston, N. Y. (Olin Mathieson Chemjcal Corp.) OBSON, James T. (MFI) Allied Engineering Division Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio OC |L. C. (GF) . /land Glass Corp. 2147 Wicomico St., Baltimore 30, Md. OCHESTER, Thomas W., Jr. (G) 210 Delevan Ave., Corning, N. Y. (Corning Glass Works) JCHFORD, David S. Box 787, Alfred, N. Y. )CHOW, W. F. (RF) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. 3CKFORD BRICK & TILE CO. (G. H. Galvin, Jr.) Rockford, la. 1DEFER, Howard H. (G) Rodefer-Gleason Glass Co. Box 550, Bellaire, Ohio 1DGERS, Eben, Jr. (S) Alton Brick Co., Box 394, Alton, 111. )DMAN, Clarence J. (E) Box 809, Alliance, Ohio (Alliance Ware, Inc.) iDRIGUEZ, Alfonso F. (G) Vidriera Monterrey, S. A. Apartado 162, Monterrey, N. L., Mexico DRIGUEZ, A. R. (WI) 29 Pine St., Franklinville, N. Y. (Hi-Q Div., Aerovox Corp.) E, Lawrence A. (E) 234 Sheridan PL, Lake Bluff, HI. (International Minerals & Chemical Corp.) E, Richard F. (W) Porcelain Products Inc. Parkersburg, W. Va. RF, W. Wallace (M) 14 Glenside Dr., West Orange, N. J. (W^ leer, Clark & Daniels, Inc.) 3AT- ilvin (B) Zenith Radio Corp. 6001 Dickens Ave., Chicago 39, III. '.ERS, Edwin J. (WI) Scintilla Div. Bendix Aviation Corp., Sidney, N. Y. . 34, No. 10 (1955) :* ROGERS, Gregory L. (R) 9500 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) ROGERS, Melvin F. (RI) 55 Goff St., Corning, N. Y. (Corning Glass Works) ROGERS, Thomas S. (MI) 3720 Windom PL, N. W. Washington, D. C. (Rogers & Sons) ROGERS, Virgil L. (S) Hebron Brick Co., Hebron, N. D. ROGERS, William R. (R) Carborundum Co. Refractories Div., Niagara Falls, N. Y. ROLKE, Herbert J. (I) Sociedade de Engenharia Industrial Rua Marconi, 23,8 andar Sao Paulo, Brazil ROLLMANN, Peter Emmalaan 11, Baam, Netherlands (Anker Emaille Fabrieken N.V.) ROONEY, Thomas E., Ill (R) Empire Fire Brick Co. 219 Murray, Fort Wayne, Ind. ROOT, H. Dean (WI) Westinghouse Electric Corp. K-80, Materials Engineering Dept. East Pittsburgh, Pa. ROOT, Lawrence L. (M) Stanford Pottery Inc. 40 S. 15th St., Sebring, Ohio ROPES, Elizabeth T. R. R. 1, East Sparta, Ohio ROQUES, Rodney A. (W) Coors Porcelain Co., Golden, Colo. ROSE, Arnold S. (G) I-T-E Circuit Breaker Co. 601 E. Erie Ave., Philadelphia 34, Pa. ROSE, Ralph (RI) E. J. Lavino & Co. Box 29, Norristown, Pa. ROSENDALE, Robert H. (WJ) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio ROSENTHAL, E. K. (W) 234 Napoleon St. Playa Del Rey, Calif. (Metlox Mfg. Co.) ROSENTHAL, Ernst 246 Park West, Marble Arch London W. 2, England (Consultant) ROSENTHAL, Jerome J. 118 N. Fillmore St., Edwardsville, 111. ROSENWINKEL, George O. (R) North American Refractories 59 E. Van Buren, Chicago'5, 111. ROSICLARE LEAD & FLUORSPAR MINING CO. (Arthur H. Cronk) Box 76, Rosiclare, 111. 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, Howard, II (EJ) R. R. 1, Kane, Pa. ROSS, John A. (G) Coming Glass Works, Corning, N. Y. ROSS, Paul F. (RI) 709 Wayne St., Johnstown, Pa. (Bethlehem Steel Co.) ROSS-TACONY CRUCIBLE CO. (A. M. Johnson) Robbins & Milnor Sts. Philadelphia 35, Pa. ROSS, Victoria Avakian (D) 537 Country Club Rd., Eugene, Ore. (University of Oregon) ROTH, Harper D. (M) East River Rd., Grand Island, N. Y. (Harper Electric Furnace Corp.) ROTHERMEL, Joseph J. (G) Coming Glass Works, Research Lab. Coming, N. Y. ROUDABUSH, Henry L. (R) General Refractories Co. 3201 Fruitland Rd. Los Angeles 58, Calif. ROUDABUSH, Ned W. (R) 311 Candlewood Rd., Broomall, Pa. (General Refractories Co.) ROUP, Rolland (WFI) Globe-Union Inc. 900 E. Keefe Ave. Milwaukee 1, Wise. ROUS, William C-, Jr. (B) 4212 Bonnie Dr., Fort Worth, Texas (Convair) ROWE, Arnold E. (E) R. R. 1, Nebo, N. C. ROWLAND, Davidge H. (WI) Porcelain Insulator Corp., Lima, N. Y. ROWLAND, Donald A. (W) 622 S. Morton St., Okmulgee, Okla. (Oklahoma A & M College) , ROWLAND, R. W. (WF) New Castle Refractories Co. New Castle, Pa. ROWLAND, Richards A. (B) Exploration & Production Res. Div. Shell Development Co. 3737 Bellaire Blvd., Houston 25, Texas ROWLANDS, Robert R. (WI) Universal-Rundle Corp. New Castle V/C Plant, Box 1268 Mahoningtown, Pa. ROY, H. N. Indian Ceramic Society Dept, of Ceramics Benares Hindu Univ. Benares, India ROY, James W. (B) West St., Lenox, Mass. (General Electric Co.) ROY, Rustum (B) Pennsylvania State University 221 Mineral Sciences Bldg. University Park, Pa. ROYAL CHINA, INC. (B. L. Miller) Sebring, Ohio ROYAL, Herbert F. (WF) 845 Pilgrim Rd., Birmingham, Mich. (Champion Spark Plug Co.) ROYAL COPENHAGEN PORCELAIN MANUFACTORY & THE FAIENCE MANUFACTORY ALUMINIA (Chr. Christensen) Smallegade 45 Copenhagen F., Denmark ROYER, Rene Ingenieur-Conseil (E.C.P.) 60, Rue D'lssy, Vanves (Seine) France RUARK, A. E. (G) Dept, of Physics University of Alabama, University, Ala. RUDD, Richard D. (M) Carborundum Co. 3335 W. 47th St., Chicago 9, 111. RUDOLF, Paul E. Stoneware Factory Embrach, Ltd. Embrach (Zurich), Switzerland RUGG. Ormund I. (G) 13615 Meyers Rd., Detroit 27, Mich. (Ford Motor Co.) RUGH, Kenneth A. (R) Garfield Refractories Co. Bolivar, Pa. RUH, Edwin (B) 1012 Vermont Ave., Apt. 2 Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) RUH, Robert 162 Diana Lane N. Fairborn, Ohio RUIZ, Jorge Martin (R) . Amerex Ingenieros, S.A., Ixtaccihuat) 6 (Insurgentes & Aguascalientes) Mexico 11, D. F. RUIZ, Robert A. (R) ? 114 W. Home St., Vandalia, Mo. (Walsh Refractories Corp.) Roster 71 X, Richard M. (G) 1 .vania Electric Products, Inc. Boston St., Salem, Mass. 4ORE, Murray, Jr. (M) ore & Munger Rector St., New York 6, X. Y. F ,B. (G) ia 119, Habana, Cuba ;neral Glass Equipment Co.) 'F, Samuel (R) dc Refractories, Inc. pie Grove, Fostoria, Ohio LL, Charles K. (RJ) `6 Access Rd., Dayton 3, Ohio right-Patterson A.F.B.) LL, Howard F. (El) 8 Woodworth PI. towatomie Hills, Hazelcrest, 111. gersoll Products Div., g-Wamer Corp.) LL, Lewis E. York Rd., Stony Stratford lverton, Bucks, England LL, Norman Keith (RI) Longcorse Ln., Paoli, Pa. chard C. Remmey Son Co.) LL, Ralston, Jr. (XFI) >t. of Ceramic Engineering Lord Hall, Ohio State University umbus 10, Ohio LL, Robert G. (G) R. 2, Granville, Ohio vens-Coming Fiberglas Corp.) ESS IRON CO,, LTD. Whitaker) Trico Works ghley, England D. vard Curran Engineering. Ltd. diff, Wales Joseph D. (G) 8 Middlesex Dr., Toledo 6, Ohio bbey-Owens-Ford Glass Co.) Larry D. : E, Gig Harbor, Wash. IAI >vid A., Sr. (W) N. ^hington St. in, Omo , Robert J. E. McCormick Ave., Apt. 2 e College, Pa. Chester M. 449, Mattapoisett, Mass. D. H. W. (W) rs Porcelain Co. Ninth St., Golden, Colo. IRS, Gerald F. (B) ional Bureau of Standards . 9.1, Washington 25, D. C. EWITCH, Eugene (R) rfott Co., Inc., Little Falls, N. J. s Patricio (E) queles & Esmaltes S. A. rtado Postal 371 iterrey N. L., Mexico R, J. Richard (EJI) 5 Pleasant Valley Rd. tna 29, Ohio rfection Industries) ., Edward (G) negie Inst, of Tech. enley Park, Pittsburgh 13, Pa. ., Edward (GJ) io Corp. of America V Bldg. 55-2, Harrison, X. J. Hajime tlty of Engineering tanashi University oyanaei-cho, Kofu-Citv, Japan 4S, ' p (G) ites iatos 625 :ico 10, D. F., Mexico Iriera Mexico, S.A.) URY, William R. (W) don Rd., Fayetteville, N. Y. ondaga Pottery) l, No. 10 (1955) SALTMAN, Donald (R) 1831 E. Second St. Long Beach 2, Calif. (North American Aviation, Inc.) SAMMONS, Frederick C. (R) General Refractories Co. 3247 Fruitland Ave. Los Angeles 58, Calif. SAMPSON, J. Leonard (G) Mahoning Glass Works General Electric Co., 403 N. Main St. Niles, Ohio SAMSON, A. William (G) B. F. Drakenfeld & Co. Inc. Box 519, Washington, Pa. SANBORN, Paul H. (W) 2514--23rd St., Parkersburg, W. Va. SAND, Reuben (W) 8 N. Blount St., Madison 3, Wise. (Ceramic Arts Studio) SANDERS, Clyde A. (W) American Colloid Co. Merchandise Mart, Suite 813 Chicago 54, 111. SANDERS, Herbert H. (D) 17926 Daves Ave., Los Gatos, Calif. (San Jose State College) SANDERS, Loren D. (I) 1233 Delaware Ave., S. W. Canton, Ohio SANDERSON, K. W. John G. Stein & Company, Ltd. Bonnybridge, Scotland SANDFORD, Per Johan Folke Chalmers Tekniska Hogskola Gibraltargatan 5j., Goteborg, Sweden SANDMEYER, Karl H. (R) 908--87th St., Niagara Falls, N. Y. (Carborundum Co.) SANDS, George Imperial Smelting Corp. Avonmouth, Bristol, England SANFORD, Elbert A. (E) 375 Oakridge Dr., Rochester 17, N. Y. (Pfaudler Co.) SAN MIGUEL BREWERY GLASS FACTORY (A. Villa-Abrille) 132 Aviles, Manila, Philippines SANT, John W. (M) Universal-Rundle Corp. New Castle, Pa. SANTOMIERI, S. Lewis (RI) Box 8, Botkins, Ohio (Botkins Engineering) SARAKAUSKAS, Raymond (B) National Carbon Research Labs. Box 6087, Cleveland, Ohio SARRAF, Edward M. (R) 20001 Laurel Ave. Rocky River 16, Ohio (Harbison-Walker Refractories Co.) SAUEREISEN, C. Fred (M) Sauereisen Cements Co. Sharpsburg Sta., Pittsburgh 15, Pa. SAULS. J. B. (MI) Funkhouser Co., 138 W. Washington St. Hagerstown, Md. 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, Richard A. (S) 2626 Larwood Dr., Charleston, W. Va. (Charleston Clay Products Co.) SAVELL, Fred H. (M) Western Talc Co. 1901 E. Slauson Ave. Los Angeles 58, Calif. SAVIOLI, Francesco Istituto Siderurgico Finsider Villa Brignole-Corso F. M., Perrone, 24 Genova-Comigliano (Italia) SAWAI, lkutaro Kyoto University, Kyoto, Japan SAWYER, E. C. (M) Central Silica Co., 806 Market St. Zanesville, Ohio SAXE, Charles W. (R) 1 Wawecus Rd., Worcester 5, Mass. SAXONBURG CERAMICS (George H. Aderhold) Box 100 Saxonburg, Pa. SCALES, John B. (BI) 456 Lynn Dr., Berea, Ohio (National Carbon Research Lab.) SCHAA, Ferdinand A., Jr. (WJ) 84 Paumanake Ave., Babylon, N. Y. (Sylvania Electric Products Inc.) SCHAAL, Frank W,, Jr. (W) B. F. Drakenfeld & Co., Inc., Box 519 Washington, Pa. SCHABACKER, H. Eric (E) Erie Ceramic Arts Co. 3120 W. 22nd St., Erie, Pa. SCHAEFER, Carl F. (W) 327 Sheffield Ave., Flint, Mich. (A. C. Spark Plug Div. General Motors Corp.) SCHAEFLE, Max Thayngen/SH, Switzerland (TonwerkeThayngen A. G.) SCHATZKIN, Harvey (W) Architectural Tiling Co. Inc. Cass/Jackson Sts., Keyport, N. J. SCHAUSS, Edward P. (G) 1253 Eleanor Ave., Toledo 12, Ohio (Owens-Illinois) SCHELL, Donald C. (E) 2227 S. Gunderson, Berwyn, 111. (Armour Research Foundation) SCHIEFFERLE, James A. (E) 4501 Statton Rd., Ashfield Acres Louisville 5, Ky. (General Electric Co.) SCHIENE, Quentin J. (RJ) 138 Lord Ave., Bayonne, N. J. (United States. Steel Corp.) SCHIFFERLI, Leo M,, Jr. (R) Haynes Stellite Co., Box 746 Kokomo, Ind. SCHLEGEL, Roland F. Rua Xavier de Toledo, 266-Sala 41 Sao Paulo, Brazil (Duresmalt, Industria & Comercio Ltda.) SCHLEHR, W. Raymond (GI) Brockway Glass Co., Inc. Lapel, Ind. SCHLOEMER, Hermann Mineralog. Institution of Univ. Tuebingen, Sigwartstr. 10 Tuebingen, Germany SCHLOTZHAUER, Leon R. (R) R.R. 2, Painted Post, N. Y. (Coming Glass Works) SCHMID, Arthur W. (G) Arthur W. Schmid Co. 1414 Investment Bldg., 239 Fourth Ave. Pittsburgh 22, Pa. SCHMID, Robert L., Jr. (R) 9 Palmers Lane Wallingford, Delaware County, Pa. (Aluminum Co. of America) SCHMIDT, Beuther L. (R) Anchor Hocking Glass Corp. Lancaster, Ohio SCHMIDT, William G. (S) Ceramic Div., General Electric Research Lab., The Knolls Schenectady, N. Y. SCHMUNK, Louis (W) 70 Dunedin Dr. Toronto 18, Ont., Canada (Standard Sanitary & Dominion Radiator, Ltd.) SCHNEIDER, LaVoy H. (E) 4512 Swallow Rd., Louisville 13, Ky. (General Electric Co.) SCHNEIDER, Matthew P., Jr. (S) 2648 Louisa St., Slidell, La. (St. Joe Brick Works, Inc.) Roster 73 EIDER, Samuel J., Jr. (RJ) J36 Lancer Dr., West Hyattsville, Md. <Iational Bureau of Standards) ENINGER, Irvin W. (WI) ISO N, Shoreland Ave. il lee 17, Wise. JK Anion Inc.) ENLAUB, Robert A. (R) arrop Ceramic Service Co. ox 5338, Shepard Sta. olumbus 19, Ohio EPPEL, Norman (RI) ) Elm Tree Dr., Mexico, Mo. P. Green Fire Brick Co.) FIELD, H. Zane (WFI) rmour Research Foundation linois Institute of Technology echnology Center, Chicago 16, 111. )LES, Addison B. (G) iterlectric Corp., Warren, Pa. )LES, S. R. (GF) ox 72S, Alfred, N. Y. State University of New York, ollege of Ceramics) >LS, Leon Y. F. M. t. Lambertuslaan 4a, (aastricht, Holland 1MBURG, James C. (S) ickerstaff Brick & Tile Co. .ox 1178, Columbus, Ga. )ONOVER, I. C. (B) national Bureau of Standards Washington 2S, D. C. ITSMAN, J. Iruisstraat 31, Dieren, Netherlands N. V. Emailleerfabriek De Ijsel) 3TTLAND, A. H. (G) Standard Bent Glass Co., Butler, Pa. 3TTS, Walter H. (MI) 13 E. Southington Ave. .Vorthington, Ohio Harrop Ceramic Service Co.) RADER, David M. (R) T42 fch Ave., Massillon, Ohio ;Rt, Jc Steel Corp.) RAMM, Edward (WF) Dnondaga Pottery Co. Syracuse 4, N. Y. RECKENGOST, Don (DF) 1617 St. Clair Ave. Hast Liverpool, Ohio Homer Laughlin China Co.) RECKENGOST, Viktor (D) 2265 Stillman Rd. Cleveland Heights 18, Ohio (Salem China Co.) REIBER, Edward Box 948, Alfred, N. Y. RICKEL, Herman H,, Jr. (G) 178 E. Pulteney St., Coming, N. Y. (Coming Glass Works) iROEDER, Fred W. (RFI) A. P. Green Fire Brick Co. Mexico, Mo. ROEDER, Herbert S. (R) 6 Conover Ln., Red Bank, N. J. (Carborundum Co.) [ROLL, J. R. (S) Manufacturers Equipment Co. 218 Madeira Ave., Dayton 4, Ohio iUCK, John F.. Jr. (WJI) Wagonwheel Rd. South Sudbury, Mass. (Raytheon Manufacturing Co.) tUETZE, Ervin W. (R) R. R. 1, Mexico, Mo. (A. P. Green Fire Brick Co.) iUH, Arthur E. (R) United States Pipe & Foundry Co. Burlington, N. J. fULT F, Andres Los Grandes Fabricas Argeminas de Ceramics, S. A. Boulogne, F.C.N.G.B. Buenos Aires, Argentina 1ULTZ, James B. (GI) 1321 E. Robinson St. North Tonawanda, N. Y. (National Gypsum Co.) L. 24 No. 10 (l 955) SCHULTZ, John, Jr. (EJ) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio SCHULZE, Robert H. Advanced Vacuum Products, Inc. 22 Liberty St., Stamford, Conn. SCHUMACHER, William G. (E) 5956 N. Glenwood Ave. Chicago 40, 111. (National Cylinder Gas Co.) SCHURECHT, H. G. (WFI) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. SCHURTZ, D. D. (GF) Sharp-Schurtz 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., Bradford Hills R. R. 2, Downingtown, Pa. (International Resistance Co.) SCHWARTZ, Jerome W. (W) Sascha Brastoff Products, Inc. 11521 W. Olympic Blvd. Los Angeles 64, Calif. SCHWARTZ, M. A. (BI) WCRRL, Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio SCHWARTZWALDER, Karl (WFI) 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) Schweitzer Equipment Co. 3764 Ridge Rd., Cleveland 9, Ohio SCHWENKLER, Theresa A. (G) 979 Grove St., Elmira, N. Y. (Coming Glass Works) SCHWIETE, Hans-Emst Institut fur Gesteinshuttenkunde Aachen, Mauerstrabe 5, Germany SCOTT, J. W. (W) Western Electric Co. Inc. 7650 Hawthorne Station Chicago 23, 111. SCOTT, Murray R. (GFI) Bausch & Lomb Optical Co. 635 St. Paul St., Rochester 2, N. Y. SCOTT, Robert M. (RI) Norton Co., 6610 Merwin Ave. Cincinnati 27, Ohio SCOTT, Roger F. (GI) 911 E. Main St., Millville, N. J. (Armstrong Cork Co.) SCOTT, Roland F. (S) Brazil Public Library Brazil, Ind. SCOTT, W. J. (W) Western Electric Co. Inc. 2525 Shadeland Ave. Indianapolis 6, Ind. SCOTT, William D. 7707 Water St., Olmstead Falls, Ohio SEABRIGHT, Qarence A. Harshaw, Coiffe S. A. Boite Postale No. 208 Limoges (Haute, Vienne) France SEABRIGHT, Edward C. (E) 171'Beuland, Mt. Clemens, Mich. (Philco Corp., Range Div.) SEANOR, J. G. (S) 2300 W. Tuscarawas St. Canton 8, Ohio (Bonnot Co.) SEARCY, Alan W. (B) Division of Mineral Technology University of California Berkeley 4, Calif. SEARLE, Alfred B. 62, Moorcliffe, Skircoat Moor Rd. Halifax, York, England (Consultant) SEARSON, Leslie James Oakes & Co. (Riddings) Ltd. Jacksdale, Notts, England SEATON, Max Y. (RF) Food Machinery & Chemical Corp. 161 E. 42nd St., New York 17, N. Y. SECKMAN, Harry D. (WI) 220 W. Third, Peru, Ind. (Square D Co.) SECORD, Robert N. (W) Godfrey L. Cabot, Inc. Research & Development Dept. 38 Memorial Dr., Cambridge 42, Mass. SEDENKA, Anthony (E) 1086 Magnolia Dr., Colonial Heights Washington, Pa. (B. F. Drakenfeld & Co., Inc.) SEEGER, Erwin W. (E) Norris-Thermador Corp., Box 58384 Vernon Branch, Los Angeles 58, Calif. SEELEY, E. L. (W) 800 Lotus Ave., Chester, W. Va. (Harker Pottery Co.) SEEMANN, Wilhelm Pipersgatan 3, Stockholm, Sweden SEGELER, C. G. (M) American Gas Assn., 420 Lexington Ave. New York 17, N. Y. SEIDEL, Joseph (W) 1255 E. Orange St., Lancaster, Pa. (Radio Corp. of America) SEIPEL, Robert B. (G) Blue Ridge Glass Corp. Kingsport, Tenn. SEITZ, Wolfram (G) Glass Containers Inc. 3601 Santa Fe Ave. Los Angeles 58, Calif. SELLERS, George A. (R) 315 E. Crescent Ave., Elmhurst, 111. (Plibrico Co.) 1 SELLERS, John T. (RI) 52 Broadway, Jackson, Ohio (Durex Refractories Co.) SEMMELMAN, John O. (WI) Dentists Supply Co. of New York College & Grantley Ave., York, Pa. SEMPLE, William A. (R) Aluminum Co. of Canada, Ltd. Gen: Tech. Dept., 1770 Sun Life Bldg. Montreal, Que., Canada SENK, Johann Vienna XVII Dorabacherstr. 29, Austria (Radio Fabril: Ingelen- Porzellan Fabrik) SENTERS, Walter (S) Washington Brick & Lime Co., Box 2198 Spokane, Wash. SEPHTON, H. J. (G) Dominion Glass Co. Ltd. Chappie St., Hamilton, Ont., Canada SERVICE PORCELAIN ENAMEL, INC. (Paul S. Cecil) Brill & Christie Sts. Newark 5, N. J. SERVIS, Donald H. (W) Robertson Mfg. Co., Box 848 Trenton S, N. J. SESLER, E. Clyde, Jr. (S) Summit Pressed Brick & Tile Co. 13th & Erie, Pueblo, Colo. SETCHEL, Hayden Merritt (G) 105 Tenth St., Streator, 111. (Owens-Illinois) SEVERIN, Harold Box 787, Alfred, N. Y. SEVERSIKE, Carroll L. (W) 12 Bridge St., Frenchtown, N. J. (Frenchtown Porcelain. Co.) SEYMOUR, Samuel L. (G) 125 Reed St., New Kensington, Pa. (Pittsburgh Plate Glass Co.) SHAFFER, E. F. (G) Ohio Power Co., Newark, Ohio SHAFFER, Paul C. (G) 85 Chapel St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) Roster 75 l,.Chuni!al P. ombay Potteries & Tiles Ltd. nited India Bldg, ir Pherozshaw Mehta Rd. art Bombay, India EK, Peter D. 5 Lowell, Waltham, Mass. D. prrol B. (G) iS jiolds Ave., Coming, N. Y. ^oi i Glass Works) D, Rodger L. (E) 4 Reynolds St., Apt. 20 akville, Ont., Canada 'erro Enamels Ltd.) DS, Everett H. (E) 16 Grenham PI., Rockford, 111. ). Hommel Co.) iER, Herbert J. (R) amtite Co., 2563 W. 18th St. bicago 8, 111. IKS, Douglas banks & Co. Ltd., Victorian Pottery arrhead, Near Glasgow, Scotland INON, Harry F. (E) nited States Steel Corp., Rm. 2414 !5 William Penn PI. ittsburgh 30, Pa. IRO, Howard (BI) 110 East Ave., New York 62, N. Y. Yard Leonard Electric Co.) :DLOW, L. Russel (WI) adio Corp. of America arrison, N. J. :P, Donald E. (GF) ibbey-Owens-Ford Glass Co. 701 E. Broadway, Toledo 5, Ohio P, E. W. (RI) ! N. High St., Jackson, Ohio .awrence Refractories Clay Co.) :PE, Edwin F., Ill 155 Kennedy St., Philadelphia 37, Pa. 7ER, Richard C. (R) 17 Bear St., Syracuse 8, N. Y. Cowles Chemical Co.) rEF v W. (GF) 30 jourth St., Coming, N. Y. Coming Glass Works) V, Anthony E. (S) atco Corp., 327 Fifth Ave. ittsburgh 22, Pa. V, Clarence F. (WI) ox 551, Antioch, 111. Pickard, Inc.) V, L. I. (XI) lub DelMar, Santa Monica, Calif. Consultant) V, Myril C. (MFI) 53 Gates St., Philadelphia 28, Pa. Asbestos Textile Institute) V, Ronald H. (S) . E. Shaw Ltd., Box 996 talifax, Nova Scotia (NA, Michael (S) 06 S. Railway St. wift Current, Sask., Canada Perry Brick & Tile Co.) VRER, Walter L. (R) artley Crucible & Refractories, Inc. ox 358, Trenton 3, N. J. VRER, Wayne B. (R) 7 Fairview Rd., Paoli, Pa. Foote Mineral Co.) VROUSE, Lee A. (W) 26 Highland Ave., Wadsworth, Ohio Ohio Brass Co.) :HAN. Robert W. (MJ) 020 Cypress Ave., Findlay, Ohio iTS, Herbert D. (RI) 41 Bedford Ave., Columbus, Ohio Battelle Memorial Institute) IEE' Mexander (S) 'ox : Alfred, N. Y. State- oniversity of New York, ollege of Ceramics) -DON, R. S., (E) 215 Wilson Ct., St. Joseph, Mich. Whirlpool Corp.) 34, No. 10 (1955) 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. SHENANDOAH SILICA CO., INC. (Herreld D. Thropp) 190 W. State St., Trenton 8, N. J. SHENANGO CHINA, INC. (Geo. B. Zahniser) New Castle, Pa. SHEPHERD, John F. (El) Shepherd Chemical Co. 2803 Highland Ave. Norwood, Cincinnati 12, Ohio SHERK, Donald (S) 218 Dalton Dr., Buffalo 23, N. Y. (National Gypsum Co.) SHERRILL, Ernest (M) Westwood Ceramics Supply Co. 11250 W. Pico Blvd. Los Angeles 64, Calif. SHERRILL, Robert R. (El) 425 Canyon Dr., Glendale 6, Calif. (Bulwark Corp.) SHERWOOD, Robert F. (WFI) 41Wexford Rd., Dewitt 14, N. Y. SHEVLIN, Thomas S. (RI) Engineering Experiment Station Ohio State University Columbus 10, Ohio SHIELD, Richard Blalock Apts., Apt. 5, Kilgore, Texas SHIFF, Tom (R) Villa Ridge Addition, R. R. 2 Godfrey, 111. * (Laclede-Christy Co.) SHIMADA, Hachiro Shimada Glass Laboratory No. 2867, 1-Chome, Sanno Ota-ku, Tokyo, Japan SHIMADA, Kuro Toyo Glass Co., Ltd. No. 47 Shimo-3-Chome Fukushimaku, Osaka, -Japan SHIMER, J. B. (GI) Knox Glass Co. Knox, Pa. SHIMMAN, Norman C. (W) 2348 Ventura Dr., R. R. 4 Walled Lake, Mich. (Champion Spark Plug Co.) SHIPE, Paul J. (R) Moraine Prod. Div., General Motors Corp. 1420 Wisconsin Blvd., Dayton 1, Ohio SHIPLEY, R. A. (S) Natco Corp., 327 Fifth Ave. Pittsburgh 22, Pa. SHIVELY, R. R. (GF) 83 Woodland Dr., Pittsburgh 28, Pa. (Consultant) SHIVELY, Robert R., Jr. (G) 2539 E. Uth PL, Tulsa, Okla. ' (Olin Mathieson Chemical Corp.) SHOEMAKER, George W. (S) Arketex Ceramic Corp., 6 N. Walnut St. Brazil, Ind. SHOFFNER, James E., Jr. 15700 Biltmore, Detroit 27, Mich. SHONKWILER, Francis P. (RI) 2516 Milford Dr., Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) SHOOK, Thurston W. (X) 2353 Cambridge Blvd. Columbus 21, Ohio (Harrop Ceramic Service Co.) SHOOK, William B. (I)....... 434'Chatham Rd., Columbus 14; Ohio SHOOT, Lyle E. (BJ) 7064 Eastern Ave. Washington 12, D. C. (Diamond Ordnance Fuze Lab.) SHOPHER, Sterling D. (RI) 415 E. Monroe, Mexico, Mo. (Mexico Refractories Co.) SHORTER, A. J. Bonnybridge Silica & Fireclay Co. Ltd. Bonnybridge, Stirling, Scotland SHORTER, W. H. (G) Emhart Manufacturing Co. 333 Homestead Ave., Hartford 2, Conn. SHREMP, Raymond M. (R) 227 S. Clay St., Zelienople, Pa. (Lava Crucible-Refractories Co.) SHULZE, Charles E. (I) Waupaca, Wise. SHUMAN, Albert (G) Polarizing Instrument Co. Irvington-on-Hudson, New York, N. Y. SICKER, Richard Box 847, Alfred, N. Y. SIDWELL, John L. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio SIEBER, Karl E. (G) Corning Glass Works, Albion, Mich. SIEFERT, A. C. (GF) Owens-Coming Fiberglas Corp. Newark, Ohio SIEGWALD, Clyde R. (RI) 816 Quinby Ave., Wooster, Ohio (Robinson Clay Products Co.) SIEKMANN, John F. (R) Aluminum Co. of America 52 N. Michigan Ave., Chicago 11, 111. SIEVERT, Guilio E. (R) 833 Oregon Ave., San Mateo, Calif. (Gladding, McBean & Co.) SIGWART, Harry J. (G) 732 Beechurst Ave. Morgantown, W. Va. (Seneca Glass Co.) SIKES, James W. (W) Florida Tile Industries, Inc., Box 451 608 Prospect St., Lakeland, Fla. SILK, Karl Messrs. Jury Holloware Ltd. Brierley Hill, Staffs, England SILVERMAN, Alexander (GFI) University of Pittsburgh 2525 Cathedral of Learning Pittsburgh 13, Pa. SILVERMAN,.William B. (GFI) Owens-Illinois, Technical Center 1700 N. Westwood Ave., Toledo 1, Ohio SIMAVILLA, Juan M. Cristalerias Rigolleau S. A. Berazatequi, F.C.N.G.R. Buenos Aires, Argentina SIMCOCK, H. J. "Cranford," Lovatt Ave. Milehouse, Newcastle Stafford, England (A. G. Hackney & Co. Ltd.) SIMISON, A. L. (GI) Owens-Coming Fiberglas Corp. Toledo, Ohio SIMMEN, Fred G. (W) 964 Terrace Blvd., Trenton 8, N. J. (Fairfacts Co.) SIMMINGSKOLD, Bo Glasinstitutet i Vaxjo, Smedjegatan 3 Vaxjo,- Sweden SIMMONS, E. E., Jr. (M) 455 S. Oakland Ave., Pasadena 5, Calif. (Consultant) SIMMONS, 'Milton L. (E) Ferro Corp., International Div. 4150 E. 56th St., Cleveland 5, Ohio SIMON, A. G. (W) 8530 Wentworth St., Sunland, Calif. (Gladding, McBean & Co.) SIMONDS WORDEN WHITE CO. (F. R; Henry) N. Summit St. & Negley PI. Dayton 7, Ohio SIMONS, T. Mitchell, Jr. (WI) . 9186 E. Jaylee Dr. Temple City, Calif. (B. F. Wagner & Co.) SIMONSEN, Eduardo C. Companhia Paulista de Mineracao Rua Boa Vista 84-7* Andar Sao Paulo, Brazil Roster 77 j&ONSEN, Victor G. Ceramica Sao Caetano S. A. Caixa Postal 278, Sao Paulo, Brazil iMPSON, Frederick H. 6402 34th Ave., N. W., Seattle 7, Wash. [MPSON, Harold E. (GFI) Suite University of New York, Vge of Ceramics, Alfred, N. Y. Ik >N, John A. (S) F. B. HcFarren Ltd. Streetsville, Ont., Canada JMPSON, John D,, Jr. (S) Statesville Brick Co., Box 471 Statesville, N. C. JNCLAIR, Robert R. (MI) S10 S. Osage Ave., Inglewood, Calif. (Missouri Refractories Co.) IlNGER, Felix (F) Keramos House, 46, Castlemaine Ave. South Croydon, Surrey, England (Consultant) jlQUEIRA, Pedro M. Ceramica Sao Caetano S. A. Rua Boa Vista 84-6" Sao Paulo, Brazil ;IROVY, George. (E) Century Vitreous Enamel Co. 6641 S. Narragansett Ave. Chicago 38, 111. jlSKA, Albert H. (El) 822 Ellis Ave., Ashland, Ohio (Ferro Corp.) SISSONS, Gordon H. (S) 320 First St. Medicine Hat, Alta, Canada (Medicine Hat Brick & Tile Co., Ltd.) SIXT, Lawrence F. (W) Box 3, Wellsville, Ohio (New Castle Refractories Co.) SJOGREN, John K. (R) Prospect St., Princeton, Mass. (Norton Co.) SKEOCH, Walter K. (M) 320 S. Mission Rd. Los Angeles 33, Calif. 5 pthem California Minerals Co.) 1SK. JsR, Kenneth G. (BI) ] 4223 First St., S. E., Apt. 203 7 Chesapeake Gardens j Washington 20, D. C. - (Naval Research Laboratory) SKOGEN, Haven S. 2332 Grubb Rd., Wilmington 3, Del. rSKURCENSKI, Anton (G) - H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. SLAUGHTER, James A. (G) Pittsburgh Plate Glass Co., Box IS Crystal City, Mo. 3LAYTER, Games (GF) Owens-Coming Fiberglas Corp. Case Ave., Newark, Ohio SLICK, E. E,, Jr. (R) Haws Refractories Co., 407 Main St. Johnstown, Pa. SLYH, John A. (BFI) American Encaustic Tiling Co., Inc. - Lansdale, Pa. SMALL, Carlton F., Jr. (RJ) 9 Hawthorne Rd., Cinnamon Hill Bridgeport, Pa. i (E. J. Lavino & Co.) "SMALLEY, Howard F. (El) ^ ' Pemco Corp., Research Div. j~ 2SS4 Greenmount Ave. Baltimore 18, Md. `SMELT, J. A. M. Bibliotheekcentrale N. V. Philips' Gloeilampenfabrieken Eindhoven, Holland "SMITH, Adrian F. (G) V; 86 E. Third St., Coming, N. Y. iming Glass Works) ;SM- ., Alden J. (W) J R. R. 1, Carey, Ohio '! (Porcelain Products Co.) ;>SMlTH, A. O., CORP. (W. A. Deringer) v3 3S33 N. 27th St., Milwaukee 1, Wise. SMITH, Arnold N. T & R Boote, ;Ltd. Burslem, Stafford, England SMITH, C. A. (RFI) Mexico Refractories Co. Better Refractories Bldg., Mexico, Mo. SMITH, Dudley C. (G) Oakdale Dr., Millville, N. J. (Kimble Glass Div., Owens-Illinois) SMITH, Earl R. (G) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. SMITH, Ellis E., Jr. (B) 460 Bernhardt Dr., Snyder 21, N. Y. (Whittaker, Clark & Daniels, Inc.) SMITH, Gail P. (G) Coming Glass Works, Corning, N. Y. SMITH, G. Sherwood Department of Ceramic Technology Pennsylvania State University University Park, Pa. SMITH, Harlan D. (R) Wellsville Fire Brick Co. Wellsville, Mo. SMITH, Harry W. (W) 919 Linden Hall, Chattanooga S, Tenn. (American Lava Corp.) SMITH, Herbert A. (D) Palm, Fechteler & Co., Box 750 East Liverpool, Ohio SMITH, Hillard A. (WI) 159 Chestnut Ave., Metuchen, N. J. (Richmond Radiator Co.) SMITH, Howard J. (R) 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, James N., Jr. (D) "Arborlaen," R. R. 5, New Bern, N. C. (Arborlaen Gardenware) 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., Inc., Fairfacts St. Trenton 8, N. J. SMITH, Karl W. (R) Box 58 Annex Sta., Cincinnati 14, Ohio (Charles Taylor Sons Co.) SMITH, Kenneth E. (DFI) American Art Clay Co. 4717 W. 16th St. Indianapolis 44, Ind. SMITH, Leiand (SI) Box 294, Darlington, Pa. (Staso Milling Div. of Central Commercial Co.) SMITH, Peter W. (W) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. SMITH, Ralph Ogden (G) 30 Chestnut St., Salem, N. J. (Gayner Glass Works) SMITH, Richard D. (E) 15522 Elderwood Ave. East Cleveland 12, Ohio (Ferro Corp.) SMITH, Richard E. (G) 64 Bridge St., Manchester, Mass. (Sylvania Electric Products Corp.) SMITH, Richard M. (R) 215 Seneca St., Coming, N. Y. (Corning Glass Works) SMITH, Robert A. (E) 52 N. Landon, Kingston, Pa. (Eljer Co.) JOL. 34, No. 10 (1955) SMITH, R. K. (R) 149 Reynolds Ave., Corning, N. Y. (Coming Glass Works) SMITH, Rowland D. (G) 12 Woodlawn Ave., Coming, N. Y. (Corning Glass Works) SMITH, R. Thomas 206 W. Ninth St., Rolla, Mo. SMITH, Rufus J., Jr. (S) 306 S. Jefferson St., Goldsboro, N. C. (E. I. du Pont de Nemours, Inc.) SMITH, S. N. (E) 516 S. Delphia Ave., Park Ridge, 111. (Ferro Corp.) SMITH & STONE, LTD. (T. Wold) Georgetown, Ont., Canada SMITH, T. Sydney Brightwood, Va. SMITH, Walter F,, Jr. (M) United Clay Mines Corp. 101 Oakland St., Trenton 6, N. J. SMITH, William E. (G) 5030 Janet, Sylvania, Ohio ( Owens-Illinois) SMITH, William L. (W) Harris Clay Co., Spruce Pine, N. C. SMOCK, Alden W. (G) 41 Euclid Ave., Columbus 1, Ohio (North American Aviation Inc.) SMOKE, Edward J. (W) 11 Edgewood Rd., Metuchen, N. J. (Rutgers University) SMOOT, Jack M. (DI) Chamblee, Ga. (Dogwood Ceramics) SMOTHERS, W. J. (B) Ohio Brass Co., Barberton, Ohio SMYLY, James P. 1924 Ashland Ave., Charlotte, N. C. SMYTH, Harold T. (G) New Jersey Ceramic Research Station Rutgers University, New Brunswick, N. J. SNELL, Richard G. (G) 1717 Calumet Ave., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) SNOW, L. James (S) Mifflinville, Pa. (Alliance Clay Product Co.) SNOW, Roland B. (RF) U. S. Steel Corp. 525 William Penn PL, Rm. 2413 Pittsburgh 30, Pa. SNYDER, Ernest B. (RI) Wheeling Steel Corp. Steubenville South Plant Steubenville, Ohio SNYDER, Nicholas H. (W) 531 Maple Ave., Trenton 8, N. J. (Rutgers University) SOBON, Leon E. (B) Box 787, Alfred, N. Y. SOCIETA ITALIANA REFRATTARI MARGHERA AZIONARIA (Domenico Giacomelli) Via Industrie 52, Casella Postale 308 Marghera, Venice, Italy SOCIETE CERAMIQUE (Comte L. de Meeus d'Argenteuil) Hoge Barakkenstraat 6 Maastricht, Netherlands SOCIETE FRANCAISE DE CERAMIQUE (Y. Letort) Service de Documentation 23, me de Cronstadt Paris XV", France SOCIETE PROFESSIONNELLE DES PRODUITS FRANCAIS DE TERRE CUITE (M. Jacques Labansat) 23, me de Cronstadt Paris XV, France SOCIETY OF GLASS TECHNOLOGY (R. W. Douglas) "Thornton" Hallam Gate Rd., Sheffield 10, England SOCONY-VACUUM OIL CO. (W. B. Stevens) 26 Broadway New York 4, N. Y. Roster 79 Ji 5ERSTRUM, William K. (SI) 328 Fox St., Aurora, 111. (Structural Clay Products Research Foundation) ,,OMON, Earl (RI) 1 Boston Ridge Rd. C rd Park, N. Y. (Electro Refractories & Abrasives Corp.) LVAY PROCESS DIV., ALLIED CHEMICAL & DYE CQRP. Librarian, Box 271, Syracuse 1, N. Y. MANY, O. M. Hindusthan National Glass Mfg. Co., Ltd. 2, Wellesley PI., Calcutta 1, India MERS, A. J. Borax Consolidated, Ltd. Borax House, Carlisle PI. London S.W.l, England MMER, Alfred (W) 89 Fairmount Ave., Kingston, N. Y. (Ferroxcube Co. of America) MMERVILLE, J. L. (GI) 283 Atlantic St., Bridgeton, N. J. (Owens-Illinois) NDLES, Merrill C. (W) Paden City Pottery Co. Paden City, W. Va. NENSHINE, Lewis (RJ) 1262 Empire St., Camden 3, N. J. (U. S. Naval Boiler & Turbine Lab.) iNTZ, Arthur (RI) 8054 S. Crandon Ave., Chicago 17, 111. (U. S. Steel Corp.) >SMAN, Robert B. (Honorary, BFI) School of Ceramics, Rutgers University New Brunswick, N. J. )UTH, Furman, Jr. (R) Lava Crucible-Refractories Co. First National Bank Bldg. Pittsburgh 22, Pa. JUTHERN POTTERIES, INC. (' \V. Kibler) Box 279 L i, Tenn. )WMAN, Harold G. (R) 1480 Grand Blvd., Schenectady, N. Y. (Knolls Atomic Power Lab., General Electric Co.) 5XMAN, Edwin J. (I) Box 117, Alfred, N. Y. 'AIN, Richard W. (G) 2315 Drummond Rd., Toledo. Ohio (Owens-Illinois) PANGENBERG, William C. (MI) 228 Maple Ave., Rahway, N. J. "(Edgar Plastic Kaolin Co.) PARKS, Edgar W. (W) 406 Unaka Way, Erwin, Tenn. (Southern Potteries, Inc.) PARROW, Paul F. (R) 610 Shady Dr. E., Pittsburgh 28, Pa. (Norton Co.) PEERS, Samuel F. (D) Evans Case Co., 21 East St. North Attleboro, Mass. PEIL, Sidney (GI) Johns-Manville Research Center Manville, N. J. iPENCE, C. F. (E) 1004 Grandon Ave., Columbus 9, Ohio (Chicago Vitreous Corp.) iPENCE. Harold I. Klabin Irmaos & Cia Av. Suburbana, 5472 Meier Rio de Janeiro, Brazil SPENCER, Charles D. (GF) 2113 Taylor Rd., Cleveland 12, Ohio (Lamp Dept., General Electric Co.) SPENCER-STRONG, G. H. (EFI) 10" Witherspoon Rd., Baltimore 12, Md. ):o Corp.) SPElv . -ER, H. H. (G) General Electric Co. i Lamp Div., Glass Technology Lab. 1133 E. 152nd St., Cleveland 10, Ohio SPERRING, Richard F. (GJ) ; 201 Taylor, Crystal City, Mo. (Pittsburgh Plate Glass Co.) i^OL. 34, No. 10 (1955) SPINKS, H. C., CLAY CO., INC. (R. B. Carothers) Box 829 Paris, Tenn. SPINNER, Sam (G) National Bureau of Standards Washington, D. C. SPIRES, Stephen T. (RI) North American Refractories Co. Mt. Union, Pa. SPLANN, Mary Theresa (G) Coming Glass Works, Corning, N. Y. SPOERRY, Henry J. Schmidheiny & Co., Ltd. Heerbrugg, (St.G.) Switzerland SPRIGGS, Richard M. 408 W. Nevada St., Urbana, 111. SPROAT, Ira E. (WFI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. SPURCK, Richard F. (W) Machlett Labs., Springdale, Conn. SQUARE D CO. (Ralph E. Hanna) Molded Insulation Div., Peru, Ind. SQUIER, Arthur A. (S) 1616 Walnut St., Philadelphia 3, Pa. (Distributor) STAATLICHE PORZELLANMANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1-3 (13a) Selb/Oberfr. U. S. Zone, Germany STAATS, Henry N. (E) Magnaflux Corp., 7300 Lawrence Ave. Chicago 31, 111. STADLER, Leo E. (G) 1057 Plymouth St., Windsor, Conn. (Hartford-Empire Co., Div. Emhart Mfg. Co.) 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. (W) 4275 Verdugo Rd. Los Angeles 65, Calif. (Gladding, McBean & Co.) STALEGO, Charles J. (G) 227 N. Fifth St., Newark, Ohio (Owens-Coming Fiberglas Corp.) STALTER, Thomas L. (I) 71 W. Norwich Ave., Columbus 1, Ohio STAMPS, Murray R. (W) Canadian Porcelain Co. Ltd. Box 428, Hamilton, Ont., Canada STANDARD BRICK & TILE CORP. (Clifford A. Kleymeyer) 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 (W) Box 354, Centerport, L. I., N. Y. (Sylvania Electric Products, Inc.) STANLEY, George V. (E) 2752 W. 90th PI. Evergreen Park 42, 111. (Crane Co.) STANLEY, Robert J. (G) M. H. Detrick Co., 10600 Puritan Ave. Detroit 38, Mich. 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. STANWAY, Miss B. Elm Works Ltd., Summerstown, Tooting London S. W. 17, England STANWORTH, John Edwin 74 Ashlawn Rd., Rugby Warwick, England (British Thomson-Houston Co., Ltd.) STAPLETON, Robert E. (W) 5 Maple Ave., Franklinville, N. Y. (Hi Q Div., Aerovox Corp.) STAR PORCELAIN CO. (Daniel W. Luks) Muirhead Ave., Trenton 9, N. J. STARK CERAMICS, INC. (J. H. Stewart) Box 230 Canton 1, Ohio STARK, R. E. (W) R. R. 5, Greensburg, Pa. (Stupakoff Ceramic & Mfg. Div., Carborundum Co.) STARKEY, Daryle D. (M) R. R. 1, Willard, Ohio (Starkey Engineering & Machinery Co.) STARKEY, Edward A. (M) 1068 Woodhill Rd., Mansfield, Ohio (Starkey Engineering & Machinerv Co.) STARKEY, Elmer A. (R) 4720 Bayard St., Pittsburgh 13, Pa. (U. S. Steel Corp., Duquesne Works) STARR, Urmi K. 5044 Summit St., Kansas City 13, Mo. STATHIS, Andrew W. (W) 5917 Cary, Cincinnati 24, Ohio (Alloy Engineering & Casting Co.) STAUDT, August (W) 264 Water St., Perth Amboy, N. J. STAUFFER CHEMICAL CO. (M. P. Kerins, Jr.) 380 Madison Ave., New York, N. Y. STAUFFER, Kenneth H. B. (W) Robertson Mfg. Co., Bpx 848 Trenton 5, N. J. STAVROLAKIS, J. A. (B) 915 Leonard Dr., Rock Hill 19, Mo. (Mallinckrodt Chemical Co.) STECK, C. O. (G) F. J. Kress Box Co., One 28th St. Pittsburgh 22, Pa. STEELE, G. Allen (R) 546 Cedarhurst Ave., Dayton 7, Ohio (Simonds Worden White Co.) STEELE, Harry L. Shorter & Son Ltd., Copeland St. Stoke-on-Trent, England STEELE, Hoyt P. (E) Benjamin Electric Mfg. Co. Des Plaines, 111. STEELE, J. C., Jr. (S) J. C. Steele & Sons, Inc. Statesville, N. C. STEELE, J. C., & SONS, INC. (J. C. Steele, Jr.) Statesville, N. C. STEELE, Richard E. (X) Ram, Inc., 1064 W. Fifth Ave. Columbus 8, Ohio STEELE, William Perrin (S) Pine Hall Brick & Pipe Co. Winston-Salem, N. C. STEFL, Donald J. (R) Freeport Brick Co., Freeport, Pa. STEIL, Roy C. (G) 3450 Garfield St., Denver 5, Colo. (Export Chemical Corp- of Colorado) STEIN, Colin H. 7 Melville Terrace, Stirling, Scotland (John G. Stein & Co., Ltd.) STEIN, Ronald C. Messrs. John G. Stein & Co., Ltd. Bonnybridge, Scotland STEIN, Sidney J. (B) International Resistance Co. 401 N. Broad St., Philadelphia 8, Pa. STEINBOCK, E. A. (R) Whip-Mix Corp., 411 W. Avery St. Louisville 8, Ky. STEINER, Harry C. (G) General Electric Co. Power Tube Sub. Dept. Schenectady 5, N. Y. Roster 81 STEINHOFF, Fred' L. (WFI) Brick Sr Clay Record--Ceramic Industry 5 S. Wabash, Chicago 3, 111. . STEINROEDER, Fritz Didier-Werke A. G.( Lessingstr. 16 Wiesbaden, Germany SLLE, John A. (S) Arketex Ceramic Corp., Brazil, Ind. STENQUIST, Donald R. U.S.S. Roosevelt (CVA 42) F.P.O., San Francisco, Calif. ; 1'STENT, Howard B. Box 1587, Nairobi Kenya Colony, East Africa (E. A. Industrial Research Board) STEPHENS, Dan E. (R) North State Pyrophyllite Co. Pomona, N. C. STERLING CHINA CO. (William T. Pomeroy) .East Liverpool, Ohio STERLING GRINDING WHEEL CO. (L, B. Bellamy) Box 801, Tiffin, Ohio ; STERLING, Harry S. (G) Corning Glass Works Harrodsburg, Ky. STERN, George (B) American Electro .Metal Corp. 320 Yonkers Ave., Yonkers 2, N. Y. STERRY, J. Patrick 2102 N. ,44th Ave., Seattle 3, Wash. 3 STERRY, W. Michael (E) .'i 4806 Interlake, Apt. 1, Seattle 3, Wash. (Boeing Airplane Co.) STETSON, Harold W. 303 Mineral Sciences Bldg. Pennsylvania State University 1 University Park, Pa. J STETSON, William C. (WI) ' Box 44, Saxonburg, Pa. I (Saxonburg Ceramics) ] STETTINIUS, K. E. (W) | Lapp Insulator Co., Inc., Le Roy, N. Y. 1 STETTNER, Donald H. (El) 1; 976 Center Ave., Lancaster, Pa. .(Radio Corp. of America) STEUBENVILLE POTTERY CO. (W. J. Mould) Steubenville, Ohio STEUERNAGLE, J. H. (G) Brockway Glass Co., Inc. Wood St., Brockway, Pa. N 1 STEVENS, E. G. (RJ) fEngr. Expt. Station, Rm. 306 Ohio State University Tj Columbus 10, Ohio STEVENS, Frank J. (WI) 414 Prospect St., Nutley 10, N. J. 9 (Isolantite Mfg. Corp.) s STEVENS, Joe (R) Murray Refractories Co., Box 338 ' Murray, Utah i STEVENS, L. M. (R) | 2907 Alabama St., La Crescenta, Calif, j (Gladding, McBean & Co.) j STEVENS, Robert P. (RI) f Wellsville Fire Brick Co. ; 1625 W. 104th PI., Chicago 43, 111. 53 STEVENS, W. B. (W) Socony-Vacuum Oil Co., 26 Broadway New York 4, N. Y. STEVENSON, James K,, Jr. (RI) X'.i R. R.-2, Mundelein, 111. (Norton Co.) STEVENSON, Samuel (W) SS. 1967 Grafton Rd., Elyria, Ohio I (Harshaw Chemical Co.) STEVENTON, Horace John Steventon & Sons, Ltd. Cledford Works Middlewich, Cheshire, England STEWART, Alex (E) National Lead Co., Ill Broadway { llew York 6, N. Y. .-WART, George C. (M) Livingston Manor, N. Y. (Abaco Co.) STEWART, Isaac (G) New York Testing Laboratories, Inc. 47 West St., New York 6, N. Y. VoL. 34, No. 10 (1955) STEWART, J. H. (S) Stark Ceramics, Inc., Box 230 Canton 1, Ohio STEWART, John A. (GI) 419 Locust Ave., Washington, Pa. (B. F. Drakenfeld & Co., Inc.) STEWART, Malcolm (M) Commercial Minerals Co. 310 Irwin St., San Francisco 7, Calif. STEWART, Wilfred H. (R) U. S. Reduction Co., 4610 Melville East Chicago, Ind. STICKEL, William C. (R) Aluminum Co. of America 123 S. Broad St., Philadelphia, Pa. STIEF, W. C. (W) Mt. Clemens Pottery Co. 158 S. Wilson Blvd., Mt. Clemens, Mich. STILLWATER CLAY PRODUCTS CO. (J. P. Duffy) Lock Drawer 32 Uhrichsville, Ohio STOCK, Donald F. (R) 289 Maxwell Dr., Pittsburgh 36, Pa. (Harbison-Walker Refractories Co.) STOCKDALE, George F. (G) 49 Coming Blvd., Coming, N. Y. (Coming Glass Works) STOCKSLAGER, Theodore F. (W) Carborundum Co. 24800 Lakeland Blvd. Cleveland 32, Ohio STODDARD, Stephen D. (RI) 2557C 36th, Los Alamos, N. M. (Los Alamos Scientific Laboratory) 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. STOIA, Pvt. John Z. (WJI) US 52378935, Batty B., 663rd FA.B.N. Fort Bragg, N. C. STOLTE, Norman H. (El) 3974 Orchard Rd. Cleveland Heights 21, Ohio (Harshaw Chemical Co.) 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 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. (Coming Glass Works) STOOKEY, Stanley D. (G) 145 Pritchard Ave., Coming, N. Y. (Coming Glass Works) STOOPS, Robert F. (RI) Carboloy Dept., General Electric Co. Box 237, Roosevelt Park P. O. Detroit 32, Mich. STORER-FOLT, John P. (I) 1323 Bay St., Toronto, Ont., Canada STOTLER, Chalmer P. (W) 228 Winter St., Crooksville, Ohio STOTT, A. E. Edward Johns & Co., Ltd. Armitage Sanitary Pottery New Rugeley, Stafford, England STOUT, Lester L. (B) Ohio State University Research Foundation Columbus 10, Ohio STRADLEY, Norman (El) Minnesota Mining & Mfg. Co. 2301 Hudson Rd., St. Paul 6, Minn. STRAIGHT, Lee H. (S) Iowa Clay Products Co. Centerville, la. STRAIGHT, Merton T. (S) Adel Clay Products Co., Box 85 101 Ashworth Rd. West Des Moines, la. STRAIN, R. E. (E) Alliance Ware, Ltd. Box 550, Vancouver, B. C., Canada STRATTON, Warren 3711 15th N. E., Seattle 5, Wash. STRATTON, Mrs. W. B. (D) Pewabic Pottery, 10125 Jefferson Ave. Detroit 14, Mich. STRAUSS, Simon W. (B) 3801 Connecticut Ave., N. W., Apt. 247 Washington, D. C. (National Bureau of Standards) 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. STROD, Arvid J. (El) Industrial Metals Improvement Co. The Park Bldg., Pittsburgh 22, Pa. STRONG, Kenneth B. (W) 4624 Belmont Park Terrace Nashville 12, Tenn. (Titanium Alloy Mfg. Div., National Lead Co.) STROTT, Adolf J. (R) Kearfott Co., Inc., Ceramic Dept. Little Falls, N. J. STROUD, Harold L. (M) 2909 Bembridge Rd., Royal Oak, Mich. (Champion Spark Plug Co.) STROUP, Philip T. (R) Aluminum Co. of America Box 772, New Kensington, Pa. STROUPE, Howard E., Jr. (WI) 'Wheeling Tile Co., Wheeling, W. Va. 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. STRUEBING, Harold J. (R) 1215 Military Rd., Buffalo 17, N. Y. (Richard C. Remmey Son Co.) STUART, Deraid A. (B) Thurston Hall, Cornell University Dept, of Engr. Mat., Ithaca, N. Y. STUBBS, John M. (M) National Gypsum Co. 3013 Boudinot Ave. Cincinnati 38, Ohio STUCKEY, Jasper L. (X) 1911 Sunset Dr., Raleigh, N. C. (North Carolina Dept, of Conservation & Development) STULL, John L. Box 41, Alfred, N. Y. STUNTZ, Robert P. (R) Babcock & Wilcox Go. 105 S. LaSalle, Chicago 3, 111. STUPAKOFF CERAMIC & MFG. DIV., CARBORUNDUM CO. (Semon H. Stupakoff) Latrobe, Pa. Roster 83 'jjjUPAXOFf', Semon H. (W) T Stupakoff Ceramic & Mfg. Div., I Carborundum Co. Latrobe, Pa. ^yER, Charles A. (R) : 11 Roxbury Rd., Forest Hills Pittsburgh 21, Pa. (Vesuvius Crucible Co.) jfyHR, Karsten H., Jr. (WJ) : National Lead Co., Titanium Div., Research Dept., Box 58 South Amboy, N. J. mjBBARAO, Eleswarapu C. Pennsylvania State University College of Mineral Industries Dept, of Ceramics University Park, Pa. djBRAMANIAN, D. R. , M/S Burn & Co. Ltd. Ranigunj, P. O. Dist. Burdwan, India jULLIVAN, Eugene C. (GF) Corning Glass Works, Coming, N. Y. jBLLIVAN, John D. (BF) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio :(JLLIVAN, Joseph C. (G) 38 Fulton St., Coming, N. Y. (Coming Glass Works) jULLIVAN, Paul A. (GI) 624 Adeline Dr., Webster, N. Y. (Bausch & Lomb Optical Co.) jUMERBANK (Bulent Buktas) Ankara, Turkey SUMMERS, E. W. (G) Owens-Illinois, Technical Center Box 1035, Toledo 1, Ohio jUMRELL, Ferrall N. (E) 707 Henry St. Uniondale, Hempstead, N. Y. (Hardwick Hindle, Inc.) SUN, K. H. (GF) 2131 Lindsay Rd., Pittsburgh 35, Pa. (Westinghouse Electric Corp.) " ieramic Institute \ Bandung, Java, Indonesia 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 5URFLEET, 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) R. R. 6, Box 316-A, Kokomo, Ind. (Haynes Stellite Co.) SUTPHEN, F. G. (X) 2605 Central Ave., Middletown, Ohio SUTTON, Paul M. (G) Coming Glass Works, Coming, N. Y. SUTTON, Willard H. Pennsylvania State University Mineral Industries Bldg. University Park, Pa. SUTTON, William H., Jr. (G) Davison Chemical Co. 101 N. Charles St., Baltimore 3, Md. SUTTON, W. J. (R) '4 High St., Alfred, N. Y. State University of New York, - college of Ceramics) SVEC, J. J. (WI) 3440 S. Euclid Ave., Berwyn, 111. (Industrial Publications Inc.) %AIH. Riehard S. I'M Nash Hall, Campus Rd., Toledo 6, Ohio pV. 34, No. 10 (1955) \ SWALM, Phaon H. (W) Box 178, Kingston, Ont., Canada' (Frontenac Floor & Wall Tile Co., Ltd.) SWANSON, Carl H. 770 Techwood Dr., N. W., Atlanta, Ga. SWEARINGEN, Jack C. (G) United Can & Class Co. Box 90, Hayward, Calif. SWEELY, B. T. (EFI) Gate 12, Crystal Lake, 111. (Chicago Vitreous Corp.) SWEITZER, Mark (W) 320 N. Euclid, Pasadena 4, Calif. (S. Paul Ward, Inc.) SWENTZEL, John P. (RI) 8960 Hennepin Ave. Niagara Falls, N. Y. (Carborundum Co.) SWEO, Benjamin J. (EFI) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio SWICKER, Victor C. (GF) 907 Floral Dr., Whittier, Calif. (Consultant) SWIFT, Howard R. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio SWIGART, Joseph J. (M) 3014 Middletown Rd., Pittsburgh 4, Pa. (Vitro Rare Metals Co.) SWINDELL BROTHERS, INC. Bayard & Russell Sts. Baltimore 30, Md. SWINDELL-DRESSLER CORP. (Philip Dressier) Box 1888 Pittsburgh 30, Pa. SWINEHART, David C. 1101 Campus Parkway, Rm. 633 Seattle 5, Wash. SWINNERTON, Bertram B. (W) 157 Hampden Park, Tiffin, Ohio (American Radiator & Standard Sanitary Mfg. Corp.) SWINNERTON, George R. (M) 35 E. State St., Alliance, Ohio (Moore & Munger) SYLVANIA ELECTRIC PRODUCTS, INC. (B. S. Ellefson) 1740 Broadway, New York 19, N. Y. SYLVESTER, George R. (MI) Sylvester & Co., Solon Center Bldg. Solon, Ohio SZCZEPANSKY, Daniel A. Box 757, Alfred, N. Y. SZYMASZEK, Jan Walter (R) 121 Muir Ave. Niagara Falls, Ont., Canada (Metals Research Laboratories) T TAILBY, Roland V. (WI) Stylon Corp., Milford, Mass. TAKAHASHI, Kakuichiro (F) Nippon Glass Co., Ltd. 1, Ginza 7-chorae, Chuo-Ku Tokyo, Japan TALBOT, Herbert W., Jr. (M) National Lead Co., 1376 River Ave. Pittsburgh 12, Pa. TALWALKAR, T. W. 8 Bagmati Rd., Jamshedpur, India (Tata Iron & Steel Co., Ltd.) TANBERG, Ragnar Drammens Glassverk Drammen, Norway TAO, Yung (R) 3834 W. 117th St., Cleveland, Ohio (North American Refractories Co.) TARNACKI, Walter J. (WI) 8417-C Loch Raven Blvd. Towson 4, Md. (Friez Instrument Div., Bendix Aviation Corp.) TARNOPOL, Milton S. (G) 943 Ninth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) TASHIRO, Megumi (G) Pennsylvania State University College of Mineral Industries University Park, Pa. TATE, Frank E. (WI) 310 Tenth St., Lincoln, 111. (Stetson China Co.) TATEM, William A. 353 Grand St., Westbury, X. Y. TAUBER, Charles B. (B) 208 E. Brace Ave., Dayton 5, Ohio (Wright Air Development Center) TAUBER, John A. (RI) 3190 Mayflower Rd. Plymouth Meeting, Pa. (E. J. Lavino & Co.) TAYLER, John B. (W) Louisville Pottery Co., Inc. 228 E. Bloom, Louisville 8, Ky. TAYLOR, Albert J. (B) 106 Placer Lane, Oak Ridge, Tenn. (Oak Ridge National Lab.) TAYLOR, Charles D. (S) 219 Corriher Ave., Salisbury, N. C. (Taylor Clay Products, Inc.) TAYLOR, Fran (D) Gay Fad Studios, Lancaster, Ohio TAYLOR, Hiram D. (B) United States Ceramic Tile Co. East Sparta, Ohio TAYLOR. Howard U. (WI) 310 Dardis Ave. Menomonee Falls, Wise. (Globe-Union, Inc.) TAYLOR, J. J. (W) Ohio Brass Co., Barberton, Ohio TAYLOR, Louis J. (W) Laboratory Equipment Corp., Box 352 St. Joseph, Mich. TAYLOR, Nelson W. (BF) Minnesota Mining & Mfg. Co. Fluorochemicals Div. 900 Fauquier Ave., St. Paul 6, Minn. TAYLOR, Robert B. (S) Structural Clay Products Research Foundation, Geneva, 111. TAYLOR, SMITH & TAYLOR CO. (Charles R. Landback) Chester, W. Va. TAYLOR, Thomas J. (R) Sterner Mill Rd., R. R. 3 Langhome, Pa. (R. C. Remmey Son Co.) TAYLOR, William C. (GF) Coming Glass Works, Corning, N. Y. TEAGUE, A. D. (R) Babcock & Wilcox Co., Box 923 Augusta, Ga. TEAGUE BRICK & TILE CO. (L. R. Boyd, Jr.) Box 329, Teague, Texas TEAGUE, Jo M., Jr. (GI) Owens-Illinois Quality & Specifications Dept. Box 1035-1036, Toledo, Ohio TEAGUE, William T. 209 McCord St., Marietta, Ga. TEETER, John N. (E) 677 Wilmot Rd., Deerfield, 111. (Thomas C. Thompson Co.) TEETOR, Paul (SF) c/o S. D. Teetor, 43 Burling Lane, S. West Islip, N. Y. (Central Commercial Co.) TEFFT, Glenn C. (S) Claycraft Co., Shawnee, Ohio TEFFT, Phillip W. (SI) Claycraft Co., Box 866 Columbus 16, Ohio TEFFT, Willatd H. (S) Claycraft Co., Upper Sandusky, Ohio TEGELLABO RATO RIET (Brick Laboratory), (Christer Enberg) Drottning Kristinas vag 45 Stockholm O, Sweden TE1CHMANN, Henry F. (M) Henry F. Teichmann, Inc. Box 1705, Pittsburgh 30, Pa. Roster 85 TEICHMANN, Henry F., Jr. (Gf 64S Elderwood Dr., R. R. 2 Bridgeville, Pa. (Henry F. Teichmann, Inc.) TEICHMANN, Newton N. (G) I 24 Hardy Dr., R. R. 2, Bridgeville, Pa. (Henry F. Teichmann, Inc.) JENNERY, Victor J. Findlay, 111. TERMAN, Mark J. (R) Babcock & Wilcox Co. 161 E. 42nd St., New York 17, N. Y. 1ERXENT, James W., Jr. (WJ) 131 Rebecca St., Kittanning, Pa. (Eljer Co.) TERRY, Griffin E. (E) 602 E. Willow, Wheaton, 111. (Hotpoint Co.) TETRICK, James D. (SF) 1102 E. Fourth St., Vinton, la. (Vinton Lime & Rock Co.) TEXAS BRICK CO. (W. T. Gill, Jr.) Box 510, Brownwood, Texas TEXAS VITRIFIED PIPE CO. (J. F. Bailey) Box 117, Mineral Wells, Texas THATCHER GLASS MFG. CO., INC. (Roy S. Arrandale) 1901 Grand Central Ave., Elmira, N. Y. THEOBALD, Erwin F. (S) 1516--18th St., N. W., Canton 3, Ohio (Metropolitan Brick, Inc.) THEWS, Karl B. (M) 83-09 Talbot St. Kew Gardens, L. I., N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) THIELKE, Norman R. (B) National Carbon Co., Box 6087 Cleveland, Ohio THIEMANN, John W. (WI) Alite Corp., Box 119, Orrville, Ohio THIEMECKE, Harry W. (WFI) Homer Laughlin China Co. ; Newell, W. Va. THIESS, L. E. (WF) Locke Department, General Electric Co. Box 57, Baltimore 3, Md. THOMAS, Charles A. G. E. J. & J. Pearson, Ltd., Firebrick Works, Stourbridge, England THOMAS, Charles W. (Honorary) Clifton House, Old Swinford Stourbridge, England IE. J. & J. Pearson, Ltd., Firebrick Works) THOMAS, David W. (WI) Stangl Pottery, Trenton, N. J. THOMAS. Everett A. (R) 2703 Shaffer Ave., Cincinnati 11, Ohio (Chas. Taylor Sons Co.) THOMAS, George L. (G) 535 E. Ninth Ave., Tarentum. Pa. (Pittsburgh Plate Glass Co.) THOMAS, H. H. (M) 35 Highboy Court, Red Bank, N. J. (Pemco Corp.) THOMAS, Robert H. (B) 238 Arlington Rd., Newton Falls, Ohio (Falls Welding & Mfg. Co.) THOMASON, James F. 28 Coolidge Ave., Greenville, S. C. THOMPSON, A. Paul (RF) Research Laboratories Eagle-Picher Co., Joplin, Mo. THOMPSON, Charles W. (R) 216 Dell St., Johnstown, Pa. (Bethlehem Steel Co.) ; THOMPSON, Clyde L. (RFI) 4922 New Plymouth Rd. Pittsburgh 27, Pa. (Harbison-Walker Refractories Co ) THOMPSON, Franklin S. (W) 25 Schenck Ave., Matawan, N. J. (Atlantic Tile Mfg. Co.) THOMPSON, Frederick S. (GF) Corhart Refractories Co., Inc. 1600 W. Lee St., Louisville 10, Ky. Vol. 34, No. 10 (1955) THOMPSON, G. L. Borax & Chemicals, Ltd. 229 High Holbom London, W. C. 1, England THOMPSON, John D. (E) 2434 Evergreen Dr., Royal Oak, Mich (Briggs Mfg. Co.) THOMPSON, M. W. (W) Hall China Co., East Liverpool, Ohio THOMPSON, Matthew S. (G) Puerto Rico Glass Corp., Box 4272 San Juan, Puerto Rico THOMPSON, Noel M. (R) 721 Shady Lane, Pittsburgh 34, Pa. (Lumnite Div., Universal Atlas Cement Co.) THOMPSON, Renold D. (M) Oglebay Norton & Co. 1200 Hanna Bldg. Cleveland 1, Ohio THOMPSON, Thomas E. (E) Box 252, Williams Bay, Wise. (Thomas C. Thompson Co.) THOMPSON, Lt. William M., Jr. (BJI) WADC, Area B, Box 8308 Wright-Patterson AFB, Dayton, Ohio THOMSON, Homer G. (R) 12101 W. Howard St. Milwaukee 14, Wise. (Allen Bradley Co.) THOMSON, James K. (W) 2 McMaster PI., Bath, N. Y. (Westinghouse Electric Corp.) THOR, Mumer E. (RI) 318 Parkhurst Blvd., Buffalo 23, N. Y. (Norton Co.) THORLEY, J. Palin (W) Box 1143, Jamestown Rd. Williamsburg, Va. (Palin Thorley Co.) THORNE, James E. 803 W. Main St., Robinson, 111. THORNE, Vaughn M. American Ceramic Society 4055 N. High St., Columbus 14, Ohio THORNGATE, Bruce W. (S) 37 Highland Ave., Metuchen, N. J. (Federal Seaboard Terra Cotta Corp.) THORNTON, George A. (M) Ottawa Silica Co., Box 437 Ottawa, 111. THORNTON, Paul E. (WI) 4603 Lasheart Dr., La Canada, Calif. (Ferro Corp.) THRASHER, William R. (D) Model Ceramics, Inc. 772 N. Main, Akron 10, Ohio THROPP, Herreld D. (W) Shenandoah Silica Co., Inc. 190 W. State St., Trenton 8, N. J. THUENER, Everett E. (W) R. R. 5, Old State Rd. Schenectady 6, N. Y. (General Electric Co.) THUNHORST, Helen M. Box 457, Alfred, N. Y. THURNAUER, Hans (BFI) Minnesota Mining & Mfg. Co. Central Research, Inorganic Section Hudson Rd. & East Ave. St. Paul 6, Minn. THUT, Walter W. A. G. Hunziker & Cie, Lagerstrasse 1 Zurich, Switzerland TIBBALS, Harvey L. (MI) 2374 Hilgard Ave., Berkeley 9, Calif. ( Minneapolis-Honeywell) TICKLE, William H. F. "Brown Stacks," Caldy Nr. West Kirby, Cheshire, England (Manchester College of Technology) TIEDE, Ralph L. (G) Owens-Coming Fiberglas Corp. Case Ave., Newark, Ohio TIFTICKJIAN, John D. (W) Winbum Tile Mfg. Co. 1709 E. Ninth St., Little Rock, Ark. TILLOTSON, Clifford (R) Tillotson Refractories Co. Box 398, Corona, Calif. TILLOTSON, E. Ward (GF) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. TINKER, Dean (M) Granville, Ohio (Ohio Kilns, Inc.) TIXKLEPAUGH, J. R. (RI) State University of New York College of Ceramics at Alfred Univ. Alfred, N. Y. TIPPING, J. United Glass Bottle Mfgrs., Ltd. 8 Leicester St. London, W. C. 2, England TITANIUM ALLOY MFG. DIV., NATIONAL LEAD CO. (W. J. Baldwin) Box C, Bridge Station Niagara Falls, N. Y. TITUS, Henry B. (R) North American Refractories Co. 50 Church St., New York 7, N. Y. TOBERG, John (E) Shepherd Chemical Co. 2803 Highland Ave. Cincinnati 12, Ohio TOBEY, Henry M. (S) Dow Chemical Co., Midland, Mich. TODD, Henry (W) Dee Lane, Queenston, Ont., Canada (Canadian Ohio Brass Co.) TOLER, Herbert R. (E) R. R. 2, Box 544, West Chicago, 111. (American Terra Cotta Corp.) TOM, Elgin M. (G) 4208 Marlaine Dr., Toledo 6, Ohio (Kimble Glass Co.) TOMASEK, A. J. (R) Walsh Refractories Cdrp. 101 Ferry St., St. Louis 7, Mo. 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. TOOLEY, F. V. (GF) 611 W. Oregon, Urbana, 111. (University .--of Illinois) TOOMEY, James E. (R) Kaiser Aluminum & Chemical Corp. 1625 Eye St., N. W., Room 913 Washington 6, D. C. TOPPING, John (R) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. TORGAL, K. G. 1/108, Mannarpuram Tiruchirapalli, S. India (Jamal Mohamed College) TORNO, Ralph F. (M) 369 Front St., No. 1, Berea, Ohio (McGean Chemical Co.) TOROK, Julius J. (G) 3008 Emmick Dr., Toledo 6, Ohio (Kimble Glass Co.) TOSTEVIN. Edgar R. (WJI) R. R. Bogtown Rd. Purdy Station, N. Y. TOULOUSE, Julian H. (GI) 1817 Potomac Dr., Toledo 7, Ohio (Owens-Illinois) TOWNSEND, William O. (GI) 1028 E. Main St., Ottawa, Ohio (Sylvania Electric Products, Inc.) TRABERT, Loren A. CWI) 610 Maple St.,'Red Wing, Minn. (Red Wing Potteries, Inc.) TREDENNICK, William T. (RI) 514 Brookfield Rd. Drexel Hill, Pa. (Refractory Specialties Co.) TREISCHEL, C. C. (WFI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. Roster 87 lENTON POTTERIES CO. Plants 1 & 2, 309 N. Clinton Ave. Box 141, Trenton, N. J. lEPTOW, Arnold W. (E) Bell Telephone Labs. Vay Hill, N. J. lb k, John F. Moira Rd., Woodville Nr. Burton-on-Trent, England (John Knowles & Co., Ltd.) RINIDAD CLAY PRODUCTS, LTD. (Harold A. Eckel) 44, South Quay Port of Spain, Trinidad, B. W. I. RINKLEIN, Robert L. (W) Box 722, Santa Anna, Texas (Santa Anna Tile Co.) RIPP, Harlan P. (El) 1435 Nightingale Rd., Louisville, Ky. (General Electric Co.) ROMPETER, Bernard J. (W) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. ROSTEL, L. J. (RFI) General Refractories Co., Box 1673 Baltimore 3, Md. ROSTEL, Louis J., Jr. (I) Norton Co., 1 New Bond St. Worcester 6, Mass. ROY, H. Neal (RI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio .'ROY, Walter J. (E) 888 Chili Ave., Rochester, N. Y. (Pfaudler Co.) "RUESDALE, Richard S. Box 275, Alfred, N. Y. rSE, Shou-cheng (WI) Box 1055, North Sta., New Bedford, Mass. (Aerovox Corp.) TUCKER, Donald J. (MI) ' 4 Winthrop Rd. jtingdon Valley, Pa. decision Grinding Wheel Co.) TUCKER, Edward F. (R) Stebbins Engineering & Mfg. Co. Watertown, N. Y. TUCKER, Harvey C. (WI) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio TUCKER, Roland E. (WI) Trenton Potteries Co. 309 N. Clinton Ave., Trenton, N. J. TUNG, Chi Fang (E) 19418 Arrowhead Ave. Cleveland 19, Ohio (Glascote Products, Inc.) TUOMOLA, Richard V. Box 827, Alfred, N. Y. TURBETT, Paul E. (MI) 1127 Chickasaw Dr., Paris, Tenn. (H. C. Spinks Clay Co., Inc.) TURCK, Raymond L. (R) 906 N. Highland, Dearborn, Mich. (Peninsular Grinding Wheel Co.) TURISSINI, Robert (GJ) Corning Glass Works, Fallbrook Plant Corning, N. Y. TURK, Richard H. (EFI) Pemco Corp., 5601 Eastern Ave. Baltimore 24, Md. TURLEY, Charles L. (G) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. TURNBULL, Edward D. (W) 500 Penn Ave., Scranton 3, Pa. (Euston Lead Co., Div. Glidden Co.) TURNBULL, John C. (G) 'ilio Corp. of America -A-Victor Div., Lancaster, Pa. TURNER, A. A. (R) 153 Lake Ave., Metuchen, N. J. (Carborundum Co.) TURNER, Donald Messrs. Lodge Plugs, Ltd. Rugby, England Vol. 34, No. 10 (1955) ^ TURNER, Mort D. (B) Corner Fernando 1 & E. Roosevelt Apt. 5, Hato Rey, Puerto Rico (Puerto Rico Div., Mineralogy & Geology) TURNER, P. P., Jr. (RI) 46 Imbler Dr., Cincinnati 18, Ohio (General Electric Co.) TURNER, Robert C. (SI) One Jefferson Ave. Rockville Centre, N. Y. (Structural Clay Products Institute) TURNER, W. E. S. (Honorary) 30 Whitworth Rd., Ranmoor Sheffield 10, England TUTTLE, George N. (E) Benjamin Electric Mfg. Co. Seegers Rd. & N. W. Highway Des Plaines, 111. TUTTLE, Milton A. (R) Box 981, Alfred, N. Y. (State University of New York, College of Ceramics) TWELLS, Robert (WFI) Electric Auto-Lite Co., Spark Plug Div., Box 231 Fostoria, Ohio TWELLS, Robert G. (GI) 528 Isabella Ave., Lock 4, Pa. (Coming Glass Works) 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) 403 S. Hargrave St., Lexington, N. C. (Cunningham Brick Co.) u UELTZ, H. F. G. (B) 39 West St., Worcester, Mass. (Norton Co.) UHRMANN, C. J. (GF) Imperial Glass Corp., Bellaire, Ohio ULEMAN, Turrell (G) 109 Virginia Ave., Aspinwall, Pa. (Pittsburgh Plate Glass Co.) ULRICH, Robert J. (E) American Radiator & Standard Sanitary Corp. 1541 S. Seventh St., Louisville 8, Ky. UNION FRANCAISE DES PRODUITS REFRACTAIRES (Louise Halm) 15, Rue de Milan, Paris 9e, France UNITED CLAY MINES CORP. (K. E. Ward) Oakland & Prospect Sts. Trenton 6, N. J. UNITED GLASS BOTTLE MFGRS., LTD. (J. Tipping) 8 Leicester St. London W. C. 2, England UNITED STATES GYPSUM CO. (C. M. Lambe) 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. A. Bloor) Sandusky, 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) 811 Wilmington Ave., New Castle, Pa. (Universal-Rundle Corp.) UPDIKE, George G. (El) 1613 Stonewood Rd., Baltimore 12, Md. (Pemco Corp.) URBAN, Stephen F. (R) 268 Hartford Ave., Kenmore 23, N. Y. (Titanium Alloy Div., National Lead Co.) UTAH FIRE CLAY CO. (C. H. Myers) Box 127, Salt Lake City 10, Utah V VAIL, Milford R. Box 826, Alfred, N. Y. VALDES, Thomas H. (W) 431 Adeline St. Trenton, N. J. (Trenton Potteries Co.) VALENTINE FIRE BRICK CO. DIV. A. P. GREEN FIRE BRICK CO. (W. H. Peterson, Jr.) Woodbridge, N. J. VALENTINE, Peter Cooney (M) Del Monte Properties Co. 620 Market St., San Francisco 4, Calif. VALIA, Bhayabhai H. 70 Bois Franc Rd. St. Laurent, Que., Canada VALYI, Ilsabe E. (R) 20 S. Broadway, Yonkers 1, N. Y. (A. R. D. Corp.) VAN ALSTEN, Roy L. (RI) 9168 Sarasota, Detroit 39, Mich. (Ford Motor Co.) VAN CLEAVE, A. A. (R) 8100 McGroarty St., Sunland, Calif. VAN COTT, Harrison C. (G) R.R. 1, Horseheads, N. Y. (Coming Glass Works) VAN DER BECK, Roland (BI) Research & Development Carborundum Co., Niagara Falls, N. Y. VANDERBILT, R. T., CO. (Ira E. Sproat) 230 Park Ave. New York 17, N. Y. VANDERMADE, Richard J. (R) 438 Cochran Rd., Apt. 6 Pittsburgh 28, Pa. (Carborundum Co.) VAN DRESER, Merton L. (GJ) 4953 N. Garfield, Kansas City 16, Mo. (Owens-Coming Fiberglas Corp.) VAN DYKE, Orien W. (B) Magnet Cove Barium Corp. Box 6504, Houston 5, Texas VAN GELDEREN, L. P. N. V. Ramie Union, Enschede, Holland VAN GORDON, Donald V. (M) Metal & Thermit Corp. Carteret Plant, Carteret, N. J. VAN HORN, Harry T. (W) 741 Floral Park Rd. Franklin Square, N. Y. (Socony Mobil Oil Co., Inc.) VAN HOUTEN, Louis A. (R) Lake Rd., Wilson, N. Y. (Carborundum Co.) VANICK, James S. (M) International Nickel Co., Inc. 67 Wall St., New York 5, N. Y. VAN NIEUWENBURG, C. J. Laboratorium voor Microanalyse De Vries van Heyst Plein No. 2 Delft, Netherlands (Delft Technical University) VAN SCHOICK, Emily C. (XF) State University of New York College of Ceramics, at Alfred Univ. Alfred, N. Y. VAN TASSEL, R. H. (E) 527 Green Tree Rd., Kohler, Wise. (Kohler Co.) Roster 89 VAN VLACk, Lawrence H. (BI) Dept, of Chem. & Metal. Engineering University of Michigan Ann Arbor, Mich. AN WIGGEREN, Charles G. (WI) American Emery Wheel /Richmond Square, Providence 1, R. I. ,.N ZEE, Arthur F. (G) 3430 Inverness Ave., Toledo 7, Ohio (Owens-Illinois) VARGA, Eugene L. (W) 310 Cooper Ln., University Heights New Brunswick, N. J. (Rutgers University) VASCONNCELLOS, Antonio de Ceramica Martini S/A Rua Luiz Martini, s/no Mogi Guacu, Est. Sao Paolo, Brazil VASILOS, Thomas (BJ) 19-23 Ditmars Ave. Long Island City 5, N. Y. (Signal Corps Engineering Labs.) VAUGHAN, T. Carter (GI) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. VAUGHAN, W. Harry (XFI) Cherokee Brick & Tile Co., Box 58 Waterville Rd., Macon, Ga. VEALE, Jack H. (R) 406 Reedwood Dr., Joliet, 111. (Illinois Clay Products Co.) VEIGA, Roberto A. (X) 123 W. 44th St., Rm. 611 New York, N. Y. VENABLE, Charles R., Jr. (RI) 1660 S. Oak, Bartlesville, Okla. (Phillips Petroleum Co.) VENABLE, Joe G. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. VERA, Francisco (WI) Privada America 1364 Monterrey, N. L., Mexico j (Ladrillera Monterrey, S. A.) , ERBA, Richard J. (M) Schweitzer Equipment Co. 3764 Ridge Rd., Cleveland, Ohio VESUVIUS CRUCIBLE CO. (Francis L. Arensberg) Box 8275 Swissvale, Pittsburgh 18, Pa. VICKERS, A. Eric J. "Wynnstay", Millfield Rd. Whickham Newcastle-upon-Tyne, England (Thermal Syndicate Ltd.) VICTOR INSULATORS DIV., I-T-E CIRCUIT BREAKER CO. (H. Failmezger) Maple Ave. Victor, N. Y. VIDANOFF, Richard B. 902 Seventh Ave., Ford City, Pa. VIDRIERA MONTERREY, S. A. (Alfonso F. Rodriguez) Apartado 162, Monterrey N. L., Mexico VIGER, Burnett C. (G) 130 E. Third St., Coming, N. Y. (Coming Glass Works) VILENSKY, Michel B. (R) 1515 27th Ave., San Francisco 22, Calif. (Ampex Corp.) VINAL, Francis E. (B) Lincoln Laboratory Massachusetts Institute of Technology Box 73, Lexington 73, Mass. VINCENT CLAY PRODUCTS CO. (O. J. Whittemore) 615-19 State Bank Bldg. Fort Dodge, la. VINCENT, George L. (WI) R. R. 5, Box 686-R, Hickory, N. C. (Consultant) VINCENT, Thomas C. (MJ) 530 Parkcliffe Dr., Youngstown, Ohio VINTHER, E. Heikel Porcelainfabriken Norden Valby Langgade 95 j. Copenhagen, Denmark \ Vol. 34, No. 10 (1955) VIOLA, Pfc. Nazzareno, Jr. (RJ) US51339284, Hq. Co. 2nd Bn. 86th Regt., 10th Infantry Div. APO 36, New York, N. Y. VISCONTI di MODRONE, Raimondo Soc. Ceramica Richard Ginori 1 via Bigli, Milan, Italy VITOLO, Sylvester A. (RI) 99-65 64th Rd., Apt. 2H Forest Hills, Long Island, N. Y. (Austenal Laboratories) VITREOUS STEEL PRODUCTS CO. (Edgar H. Weil) Box 3991 Cleveland 20, Ohio VITRO MANUFACTURING CO. (Joseph Boyce) 60 Greenway Dr. Pittsburgh 4, Pa. VODICKA, Albert L. (E) Aetna Porcelain Enameling Co. 4701 Augusta Blvd., Chicago 51, 111. VOGEL, Ralph B. (M) National Lime & Stone Co., Carey, Ohio VON TURY, Francis J. (D) Lehigh Ave., Perth Amboy, N. J. (Vontury, Inc.) VOORHIES, John H. (W) 243 Arrow Highway, Claremont, Calif. (Grant Ceramics Co.) VOSE, Wilfred Winstones' Roofing Tile Works Ltd. Box 2, Plimmerton, New Zealand VOSS, Raymond O. (G) 26 Pershing St., Coming, N. Y. (Coming Glass Works) VOSS, Wendell G. (E) 4575 Broadview Rd., Cleveland 9, Ohio (Ferro Corp.) VRETOS, Epaminondas Institute of Chemistry & Agriculture "N. Canello-Poulos" of the Hellenic Co. Drapetsona, Piraeus, Greece VUKOVICH, Milan, Jr. (MI) 9 Dix Rd., Woburn, Mass. (Godfrey L. Cabot, Inc.) w WACHTMAN, John B., Jr. (B) National Bureau of Standards, Div. 9.1 Conn. Ave. & Van Ness St., N. W. Washington 25, D. C. WAGGONER, Jack H. (GF) 240 Quentin Rd., N., Newark, Ohio (Fiber Glass Div., Pittsburgh Plate Glass Co.) WAGNER, Brace F. (W) 186 N. Vernon Ave., Pasadena 3, Calif. (B. F. Wagner & Co.) WAGNER, Harold C. (R) 968 Yellowstone Rd. Cleveland Heights 21, Ohio (Zirconium Corp. of America) WAGNER, Rio B. (D) 1398 Brice Rd., Reynoldsburg, Ohio (Perma Flex Mold Co.) WAHL, Albert J. (M) A. J. Wahl, Inc., 8 Central Ave. Brocton, N. Y. WAHLGREN, Wald A. B. Gustavsbergs Fabriker Gustavsberg, Sweden WAINER, Eugene (B) Horizons, Inc., 2905 E. 79th St. Cleveland 4, Ohio WAITE, Virgil H. (E) 433 Beech St., Berea, Ohio (McGean Chemical Co.) WAIVER, Gedert J. (W) B. G. Corp., 321 Broad Ave. Ridgefield, N. J. . WAKEFIELD, Richard E. B. (M) Shallcross Mfg. Co., Collingdale, Pa. WAKELY, Wilbur T. (GJ) Sylvania Electric Products. Inc. 825 Lexington, Warren, Pa. WALDEN, Albert S. (R) National Carbon Co., Cleveland, Ohio WAI.DHAUER, William O. Odorless Cleaners, Milledgeville, Ga. WALKER, A. M. Australian Tesselated Tile Co. Mitcham, Victoria, Australia WALKER, Eugene E. (W) 220 W. Sheridan Ave., New Castle, Pa. (Universal-Rundle Corp.) WALKER, Henry E. (G) Harding Glass Co., Fort Smith, Ark. WALKER, Herbert M. (W) Walker China Co., Solon Rd. Bedford, Ohio WALKER, John Morgan Crucible Co., Ltd. Battersea Church Rd. London, S. W. 11, England WALKER, Raymond F. (B) 3726 Connecticut Ave., Apt. 408 Washington 8, D. C. (National Bureau of Standards) WALKER, Warren W. (B) 29 Laurel PI., Upper Montclair, N. J. (Graphite Metallizing Corp.) WALKUP, D. H. (W) Kilgore Ceramics Corp., Box 1619 Kilgore, Texas . WALKUP, Milton B. (M) Temescal Metallurgical Corp. 1415 S. 47th St., Richmond, Calif. WALLA, Max R. (W) Box 1369, Little Rock, Ark. (Winbum Tile Mfg. Co.) WALLACE, Arthur B. (W) Du-Co Ceramics Co., Box 587 Butler, Pa. WALLACE, Curtis C. (G) Electric Storage Battery Co. Box 5723, Philadelphia 20, Pa. WALLACE, Paul F. (B) Aluminum Co. of America Aluminum Research Lpbs., Box 772 New Kengsington, Pa. WALSH, Donald E. (G) Consolidated Feldspar Dept., International Minerals & Chemical Corp. East Liverpool, Ohio WALSH REFRACTORIES CORP. (A. J. Tomasek) 101 Ferry St. St. Louis 7, Mo. WALTON, Jesse D., Jr. (E) 3304 Fairway Rd., N. E. Atlanta 19, Ga. (Engineering Experiment Station Georgia Institute of Technology) WALWORTH, Chester A. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. WAMBOLD, Jack (B) 325 E. Palisades Blvd. Palisades Park, N. J. (Wright Aeronautical Div., Curtiss-Wright Corp.) WAMPLER, Roy W. (G) Libbey-Owens-Ford Glass Co. Technical Bldg., 1701 E. Broadway Toledo 5, Ohio WANG, Franklin F. Y. 405 N. Gregory St., Urbana, 111. WANGELIN, H. P. (W) Universal-Rundle Corp. 3305 W. Forest Home Ave. Milwaukee 15, Wise. WARD, George V. (R) McLain Fire Brick Co., Div. of H. K. Porter Co., Inc. Wellsville, Ohio WARD, George W. (G) Gustin-Bacon Mfg. Co. 210 W. Tenth St., Kansas City, Mo. WARD, John B. (D) Corning Glass Works, Coming, N. Y. WARD, John F. (R) Johns-Manville, 22 E. 40th St., New York 16, N. Y. WARD, K. E. (M) United Clay Mines Corp. Oakland & Prospect Sts. Trenton 6, N. J. Roster 91 \\TARD. Mrs. S. Paul (M) 601 Mission St., South Pasadena, Calif. (S. Paul Ward, Inc.) tfARDE, John M. (R) 22 Outer Dr., Oak Ridge, Tenn. (Oak Ridge National Laboratory) WARFIELD, Robert A. (G) 2460 E. Livingston Ave. Columbus 9, Ohio (Federal Glass Co.) WARNER, Maurice F. (M) 111 Glenwood Ave., East Orange, N. J. (Sierra Talc & Clay Co.) WARRELL, Lincoln A. (R) Aluminum Co. of America 230 Park Ave, New York 17, X. Y. WARREN, George (El) Pfaudler Co., Research Laboratory 1000 West Ave., Rochester 3, N. Y. WARSHAW, Israel (B) Glass Research Div. Pittsburgh Plate Glass Co. Creighton, Pa. WARYGA, Casimer F. (R) 342 E. Ashdale, Philadelphia 20, Pa. (Frank Samuel & Co., Inc.) WASHABAUGH, Grover C,, Jr. (M) New Castle Refractories Co. New Castle, Pa. WASHINGTON BRICK CO. (John R. Clark, Jr.) Muirkirk, Md. WASHINGTON BRICK & LIME CO. (Walter Senters) Box 2198 Spokane, Wash. WASHINGTON PORCELAIN CO. (E. R. Miller) Willow St. Washington, N. J. WASMANN, Russell K. (R) Laclede-Christy Co., 391 Sutter San Francisco 8, Calif. WATERS, Martin R. (WI) 28 Sweetbriar Lane, Levittown, Pa. (Wenczel Tile Co.) VVATKIN, Robert W. (W) 2507 St. Clair Ave. East Liverpool, Ohio (Edwin M. Knowles China Co.) WATKINS, Charles (I) 783 Brighton Blvd., Zanesville, Ohio 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 & E Sts., N. W. Washington 25, D. C. WATKINS, W. J. (M) Kentucky Clay Mining Co. Mayfield, Ky. WATSON, George F. (R) American Brake Shoe Co. Metallurgical Lab., Mahwah, N. J. WATT, Charles Gaspro, Ltd., 500 Kuwili St. Honolulu 4, Hawaii WATT, Loren (W) Watt Pottery Co. Crooksville, Ohio WATT POTTERY CO. (Loren Watt) Crooksville, Ohio WATTS, Arthur P. (R) A C Spark Plug Div., General Motors Corp., Dept. 3103 Flint, Mich. WATTS, Arthur S. (Honorary, WFI) Lord Hall, Ohio State University Columbus 10, Ohio WAUGH, J. Stanley (BJ) Box 1, East Patchogue, N. Y. (General Electric Co.) WAXLER, Roy M. (G) National Bureau of Standards Conn. Ave. & Van Ness St., X. W. Washington 25, D. C. WEATON, Ralph L. (G) St. Joseph Lead Co. of Pa. Zinc Smelting Div., Monaca, Pa. WEAVER, Don S. Box 787, Alfred, N. Y. ; Vol. 34, No. 10 (1955) WEAVER, F. L. (R) Weaver Materiel Service, Gokev Bldg. Jamestown, N. Y. WEAVER, Harold L. (G) 303 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) WEAVER, R. A. (MF) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio WEBB, Bradley A. 5850 W. 88th St. Los Angeles 45, Calif. WEBBER, John J. (R) 138 Meadowbrook Dr. Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) WEBER, Arthur W. (G) Corning Glass Works Corning, N. Y. WEBER, Berthold C. (B) 3833 Saranac Dr., Dayton 9, Ohio (Aeronautical Research Laboratory) WEBER, Don A. (S) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. WEBER, Kenneth E. (M) 2514 Thayer St., Evanston, 111. (O. Hommel Co.) WEBSTER, Charles E. (RI) 311 E. Beaver St., Zelienople, Pa. (Lava-Crucible-Refractories Co.) WEBSTER, David (S) Polychemicals Div. West Virginia Pulp & Paper Co. Box 832, Charleston, S. C. WEDDELL, George G. (M) O. Hommel Co., Box 475 Pittsburgh 30, Pa. WEEKS, Ben W. (M) Allied Trading Corp. 807 Commercial Bldg., Raleigh, X. C. WEHTJE, Ernst J. Box 269, Malmo 1, Sweden (AB Ifoverken & Skanska Cement) WEHTJE, Karl Fredrik A/B Rorstrands Porslinsfabriker Lidkoping, Sweden WEIDEL, Robert A. (G) 497 Apple Orchard Lane Webster, N. Y. (Bausch & Lomb Optical Co.) WEIDENBAUM, Sherman S. (G) 59 W. Second St., Corning, N. Y. (Corning Glass Works) WEIDLICH, Gilbert (M) 640 E. Jefferson, Kirkwood, Mo. (Western Machinery & Engine Co.) WEIDMAN, V. Wesley (R) 201 Duncan Ave., Wilmington 3, Del. (E. I. du Pont de Nemours & Co., Inc.) WEIGEL, Robert C. (R) 820 Woodlawn, Mexico, Mo. (Mexico Refractories Co.) WEIL, Edgar H. (E) Vitreous Steel Products Co. Box 3991, Cleveland 20, Ohio WEIL, Kurt E. Rua Batatais 472, Sao Paulo, Brazil WEINSTEIN, Alex (G) Ednalite Optical Co., Inc. 200 N. Water St., Peekskill, N. Y. WEINTRITT, Donald J. (M) 5122 Pine St., Bellaire, Texas (Baroid Div., National Lead Co.) WEISE, Robert L. (G) 446 E. Second St., Logan, Ohio (General Electric Co.) WEISER, Rosabel V. (B) 253 S. Brady St., DuBois, Pa. (Jeffers Electronics Div.) WEISKE, Ino (SI) Box 353, Mission, Texas (United Geophysical Corp.) WEISS, E. Joseph (BI) Dept, of Ceramic Engineering University of Texas, Austin, Texas WEISS, W. Russell (R) Wellsville, Mo. (Wellsville Fire Brick Co.) WEISZ, D. Fabrica Nacional de Vidrio, C. A. .Box 1049, Caracas, Venezuela WEISZ, Robert S. (B) RCA Laboratories, Princeton, N. J. WELCH, A. Philip (BI) 912 Grand Ave., Ames, la. (Iowa State College) WELCH, James S. American Ceramic Society 4055 N. High St., Columbus 14, Ohio WELCH, John C., Jr. (B) 110 Escalona Ct., Santa Cruz, Calif. (A. P. DeSanno & Son) WELCH, Richard L. (R) Dominion Firebrick & Clay Products (1954) Ltd. Claybank, Sask., Canada WELLER, Harvey C. (G) Surface Combustion Corp. 2375 Dorr St., Toledo 1, Ohio WELLING, Charles E. (R) Ford Motor Co., Scientific Lab. Engr. Staff, Box 2053, M B Station Dearborn, Mich. WELLS, A. A. (WF) Homer Laughlin China Co. Newell, W. Va. WELLS, J. M. (W) Homer Laughlin China Co. Newell, W. Va. WELLS, Ralph G. (B) United States Steel Corp. Research Center, Monroeville, Pa. WELSHANS, L. T. (R) Diamond Alkali Co., Cement-Coke Div. 300 Union Commerce Bldg. Cleveland 14, Ohio WELTE, Ralph J. (S) Summit Pressed Bricky & Tile Co. Box 533, Pueblo, Colo! WELTERLEN, James D. (RJ) 4630 Zane St., Los Angeles 32, Calif. (Gladding, McBean & Co.) WENCZEL, C. (W) Wenczel Tile Co., Box 908 Trenton, N. J. WENCZEL TILE CO. (C. Wenczel) Box 908, Trenton, N. J. WENDT, Nelson E. (W) American Potash & Chemical Corp. 595 Foch Blvd., Williston Park, N. Y. WENGER, James A. L. Messrs. Wengers Ltd., Etruria Stoke-on-Trent, Stafford, England WENNING, W. F. (E) Ceramic Color & Chemical Mfg. Co. Box 297, New Brighton, Pa. WENTZ, B. B. (S) Belden Brick Co. 700 W. Tuscarawas St., Canton 1, Ohio WERNER, Alan J. (G) 159 Watauga Ave., Coming, N. Y. (Coming Glass Works) WEST, Frank Haslemere Greenlane Buxton, Derby, England (Derbyshire Silica Fire Brick Co.) WEST, Howard F. (R) 1400 Caton Ave., Joliet, 111. (Illinois Clay Products Co.) WEST, Richard R. (B) Box 493, Alfred, N. Y. (State University of New York, College of Ceramics) WESTBROOK, J. H. (B) General Electric Co., Rm. 1516 Research Laboratory, The Knolls Schenectady, N. Y. WESTERN BRICK CO. (I. R. Cline) Danville, 111. WESTERN ELECTRIC CO., INC. (J. W. Scott) 7650 Hawthorne Station Chicago 23, 111. WESTERN ELECTRIC CO., INC. (W. J. Scott) 2525 Shadeland Ave. Indianapolis 6, Ind. Roster 93 roll redthe day ling ;ed- lug- ES. 1 t. SY gSTERN FELDER MILLING CO. (V-E- Magnuson) Box 671 Sanaa, Colo. ^STINGHOUSE ELECTRIC CORP. < (John D. Haniish, Jr.) Derry Pa ksTLAKE, C. Rogers (wi) f. Box 188, Antioch, 111. ;; (Pickard Inc.) ^gSTMAN, A. E. R. (GF) Dept, of Chemistry Ontario Research Foundation * 43 Queen's Park Crescent * Toronto 5, Ont., Canada Westmont, o. b. (r) j Johns-Manville Products Corp. J Lompoc, Calif. fESTON, Ralph H. (SI) Arketex Ceramic Corp., Brazil', Ind. jfEST VIRGINIA BRICK CO. f (Claude F. Wiseman) K 442 Virginia St., E. | Charleston 24, W. Va. ,(flsYL, Woldemar A. (GF) .1: Div. of Mineral Technology T Pennsylvania State University University Park, Pa. (fHALEN, Thomas J. R. R. 1, Box 306)4, State College, Pa. ft'HEATLEY, Christopher C. H. K.L.G. Sparking Plugs Ltd. Putney Vale, London, S. W. IS, England -jVHEELER, D. D. (W) Titanium Alloy Mfg. Div. Ill Broadway, New York 6, N. Y. HTHEELER, William H. (RI) 7631 Daly Rd., Cincinnati 31, Ohio (General Electric Co.) WHEELING STEEL CORP. (Ernest B. Snyder) Steubenville South Plant Steubenville, Ohio WHELAN, Paul T. (R) 12 Lincoln St. Watertown 72, Mass. (Watertown Arsenal) WHERRY, Allen P. (El) 96S2 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) 64 Linden Ave., Metuchen, N. J. (Consultant) WHITAKER, H. Rustless Iron Co., Ltd. Trico Works, Keighley, England WHITAKER, L. R. (SFI) Carolina Ceramics, Inc., R. R. 3 Columbia, S. C. WHITE, Frank L. (G) 15117 E. Vemor Highway, Apt. 11 ' Grosse Pointe Park 30, Mich. (Ford Motor Co.) WHITE, George D. (B) Box 474, Norris, Tenn. (Carbide & Carbon Chemical Co.) WHITE, Harold E. (RFI) R. R. 6, "Windy Knoll," Butler, Pa. (Lava Crucible Refractories Co.) WHITE, J. F. (B) 132 Riddle Rd., Cincinnati 15, Ohio WHITE, Jonathan S. (W) 1302 Singer PI., Wilkinsburg Pittsburgh 21, Pa. (Stupakoff Ceramic & Mfg. Co. Div. Carborundum Co.) WHITE, O'Mara (G) 642 Fairmont Ave.; Westfield, N. J. (Carborundum Co.) WHITEHEAD, Merlin H. (E) Columbian Enameling & Stamping Co. Terre Haute, Ind. ' Vol. 34, No. 10 (1955) WHITESELL, Lysle E. (R) Wellsville, Mo. (Wellsville Fire Brick Co.) WHITFIELD, Robert E. (R) Chas. Taylor Sons Co., Box 58 Annex Station, Cincinnati 14, Ohio WHITFORD, Robert F. (R) North American Refractories Co. Ashland, Ky. WHITFORD, William G. (DF) Box 38, Olympia Fields, 111. (University of Chicago) WHITNEY, Eugene H. (R) Gladding, McBean & Co., Box 3152 Seattle 14, Wash. WHITNEY, John B. (E) 17426 Norton Ave., Lakewood 7, Ohio (Ferro Corp.) WHITTAKER, Clyde M. (W) Box 960, New Castle, Pa. (Universal-Rundle Corp.) WHITTAKER, G. Ward (W) 28 Meade Rd., Ambler, Pa. (Universal-Rundle Corp.) WHITTAKER, Harry (W) American-Standard, 834 E. Broadway Louisville 4, Ky. WHITTEMORE, J. W. (SFI) Virginia Polytechnic Institute Blacksburg, Virginia WHITTEMORE, O. J. (S) Vincent Clay Products Co. 615-19 State Bank Bldg. Fort Dodge, la. WHITTEMORE, O. J., Jr. (RI) Norton Co., Worcester 6, Mass. WHITTEMORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. WICKE, Warner C. (W) General Electric Co., One River Rd. Schenectady, N. Y. WICKS, John Simison (E) Fairground Rd., R. R. 1 Fern Creek, Ky. (General Electric Co.) WIDEMANN, R. V. Institut de Ceramique Francaise 6 Grande Rue Sevres, Seine Oise, France WIKER; Richard M. (G) 206 Rand Ave., Painted Post, N. Y. (Corning Glass Works) WILANSKY, Harold (G) 67 Sterling St., Corning, N. Y. (Corning Glass Works) WILCOX, Herman G. (R) 800 Ross Ave., Pittsburgh 21, Pa. (Harbison-Walker Refractories Co.) WILCOX, James W. (S) Alliance Clay Product Co. Alliance, Ohio WILDER,' David R. (BJ) 1212 S. Third St., Ames, la. (Ames Laboratory, Atomic Energy Commission) WILKE, William P,, III (M) Hammond Lead Products, Inc. 5231 Hohman Ave., Box 912 Hammond, Ind. WILKES, Gordon B. (BF) Box 131, East Orleans, Mass. WILKINS, E. D. Kaiser Bauxite Co. Spur Tree, Jamaica, B. W. I. WILKINS, Ian Hugh (EJ) 27 Prince Charles Dr. Oakville, Ont., Canada (Ferro Enamels (Canada) Ltd.) WILKINS, William W., Jr. (M) 1330 Voorhees St. Manhattan Beach, Calif. (Ferro Corp.) WILLEMS, H. W. V. (G) 1513 Pacific Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) WILLIAMMEE, G. Darby (R) R. R. 6, York, Pa. (J. E. Baker Co.) WILLIAMS, Alan B. (RI) 2233 Pickens Rd., Augusta, Ga. (Babcock &' Wilcox Co.) WILLIAMS, Arthur E. (G) 1214 Eighth St., Moundsville, W. Va. (Fostoria Glass Co.) WILLIAMS, Charles (EJ) 131 North St., Auburn, N. Y. WILLIAMS, Clyde (RF) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio WILLIAMS, George F. (G) Owens-Illinois, Technical Center 1700 N. Westwood Ave., Toledo 1, Ohio WILLIAMS, Gordon R. (W) Box 186, Florence, Ala. (Stylon Southern Corp.) WILLIAMS, Harry M. (WI) Locke Dept., General Electric Co. Charles & Cromwell Sts., Baltimore, Md. WILLIAMS, John A. (W) Box 250, Trenton 2, N. J. (Mitchell-Bissell Co.) WILLIAMS, John C. (W) Mt. Vernon Way, Whippany, N. J. (Bell Telephone Labs.) WILLIAMS, Leroy L., Jr. (El) 3006 Adams Ave., Evansville, Ind. (Seeger Refrigerator Co.) WILLIAMS, Lloyd D. (G) Pressware Plant, Corning Glass Works Corning, N. Y. WILLIAMS, Robert A., Jr. (W) American Encaustic Tiling Co., Inc. 1000 N. Cannon Ave., Lansdale, Pa. WILLIAMS, Robert B. (W) 1107 Westwood Ave. Chattanooga, Tenn. (American Lava Corp.) WILLIAMS, Robert M. (RI) 5809 Royal Oak Ave.,`.Baltimore, Md. (General Refractories Co.) WILLIAMS, Walter E. (MI) New Castle Refractories Co. New Castle, Pa. WILLIS, James B. (E) 1355 Crofton Rd., Baltimore 12, Md. (Pemco Corp.) WILLMORE, Tracy A. (R) 1118 W. Illinois St., Urbana, 111. (University of Illinois) WILLMS, Albert E. (M) 476 Parker Ave., Hackensack, N. J. (Whittaker, Clark & Daniels, Inc.) WILLS, Robert E. (R) Box 220, Coal City, Illinois (Illinois Clay Products) WILLSON PRODUCTS, INC. (Thomas A. Willson) Box 622 Reading, Pa. WILLSON, Thomas A. (G) Willson Products, Inc., Box 622 Reading, Pa. WILSON, Bonum S., Jr. 704 Rivers Ave., Charleston 43, S. C. WILSON, Calvin S. (G) Libbey Glass Div., Owens-Illinios Ash St. & Wheeling R.R. Toledo 1, Ohio WILSON, Charles L. (S) 217N. Meridian St., Brazil, Ind. (American Vitrified Products Co.) WILSON, George (R) 131 Edison Ave., New Castle, Pa. (New Castle Refractories Co.) WILSON, Hugh H., Jr. (RI) Clemson College, Olin Hall Clemson, S. C. WILSON, Maurice S. (R) Spring Lake Rd., Wallingford, Conn. (American Refractories & Crucible Corp.) WILSON, Robert Charles (WI) 791 Wedgewood Dr., Apt. 3 Columbus 4, Ohio(Ohio State University Engineering Experiment Station) Roster 95 ijtSON, R. T. (S) Ferris Brick Co., Box 188 Ferris, Texas jtflNBURN, H. L. (S) r Box 1369, Little Rock, Ark. (Winbum Tile Mfg. Co.) .jrtNCHELL, Richard (R) '* 418)4 Bartrara, New Castle, Pa. (Shenango China, Inc.) "(flNEMILLER, William F. (R) i 11 Ardmore Road, Worcester 9, Mass. I. (Norton Co.) %INKEL. M. Lee (S) 3 Champion Brick Co. 4 7600 Pulaski Highway 'i Baltimore 6, Md. jjflNSHIP, Lee C. (G) Sylvania Electric Products, Inc. J Emporium, Pa. I^INTER, Aniuta J Institut d'optique Theorique .Hi et Appliquee, 3, Bid Pasteur ;i Paris (IS) France Wisconsin porcelain co. I (L. A. Stohl) 120 -Lincoln St. I Sun Prairie, Wise. 10SE, L. G. (X). ;i E. I. du Pont de Nemours & Co., Inc. 3 Chemical Dept., Experimental Sta. Wilmington, Del. alOSEMAN, Claude F. (S) % West Virginia Brick Co. e to; 2j 442 Virginia St., E. "i Charleston 24, W. Va. IffISHOSKI, I. Stanley (R) >N Industrial Heating 1400 Union Trust Bldg. Pittsburgh 19, Pa. 1VISS, J. E. (MFI) 1339 Lincoln Rd., Columbus 12, Ohio (Consultant) ttStOQ ac ffITMER, Frank (G) 612 W. Main St., Woodville, Ohio (Ohio Lime Co.) WITSCHEY, Ray A. (R) y A. P. Green Fire Brick Co. Mexico, Mo. c WITTER, Raymond B. " Apto. 4092--Correo del Este * Chacaito-Caracas, Venezuela (Fabrics de Productos Ceramicos) - WITUCKI, Robert M. (G) ITY 4 W. Fifth St., Corning, N. Y. (Corning Glass Works) WITZEMANN, A. W. (W) 220 Allegheny Ave., Kittanning, Pa. (Eljer Co.) WOLCOTT, J. David R. R. 3, Corning, N. Y. WOLD, T. (W) Smith & Stone, Ltd. Georgetown, Ont., Canada WOMELDORPH, R. C. (G) 200 N. 29th St., Newark, Ohio (Owens-Coming Fiberglas Corp.) WONGSOREDJO, Rasmadji Balai Penjelidikan Keramik (Ceramic Institute) Djl. Raya Timur 340 Bandung, Indonesia WOOD, Clifton E. (W) 304)4 E. Rockwell, Fenton, Mich. (A. C. Spark Plug Div., General Motors Corp.) WOOD, Kenneth T. (R) 102 Grace Blvd., Painted Post, N. Y. (Coming Glass Works) WOOD, Lewis C. (R) 1219 E. Fourth S. Salt Lake City 2, Utah (Kennecott Copper Corp.) WOOD, Llewellyn, Jr. (S) Carrington Woods, R. R. 4, Box 209 , Milledgeville, Ga. IK (Oconee Clay Products Co.) WOOD, Russell K. (WI) 3900 E. California St. . Pasadena 10, Calif. i (Wallace China Co., Ltd.) ;Vol. 34. No. 10 (1955) WOODBRIDGE, Thomas C. 38 Stirling Rd. Hayes, Middlesex, England (British Bath Co. Ltd.) WOODRUFF, Ernest W. (R) Refractory Products Co. 910 Custer Ave., Evanston, 111. WOODS, C. J. (B) North American Philips Co., Inc. Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. WOODS, William J. (W) Box 627, Lewistown, Pa. (Pennsylvania Pulverizing Co.) WOODS, William J., Jr. (M) Pennsylvania Pulverizing Co. Two Gateway Center Pittsburgh 22, Pa. WOODVILLE LIME PRODUCTS CO. (J. Robert Cowell, Jr.) 2140 Jefferson Ave., Toledo 2, Ohio WOODWARD. Roger (I) 861 Euclid Ave., Elmira, N. Y. WOODWARD, Thomas R. (W) 2SS8 Oalcwood Ave., Zanesville, Ohio (Elgee Potteries, Inc.) WOOLDRIDGE, Morris L. (R) Owens-Coming Fiberglas Co. Glass Research, Newark, Ohio WOOLEY, Seward E. (RI) 6 Westbury Bldg., 66 E. Cliff St. Somerville, N. J. (Johns-Manville Research Center) WOOTEN, John H. (S) Elgin-Butler Brick Co., Elgin, Texas WOOTEN, Richard M. (GJ) 10 Columbia Ave., Vineland, N. J. (Kimble Glass Co.) WORCESTER ROYAL PORCELAIN CO., LTD. (Joseph F. Gimson) Royal Porcelain Works Worcester, England WORCESTER, W. G. (XFI) 720 Sask. Crescent E. Saskatoon, Sask., Canada WORK, Lincoln T. (M) 15 N. Crescent, Maplewood, N. J. (Consulting Engineer) WORTHINGTON CORP. (Herbert E. Gallison) Industrial Mixer Div. Plainfield, N. J. WRIGHT, Edward P. (RI) Box 387, East Liverpool, Ohio (New Castle Refractories Co.) WRIGHT, Harold D. (W) 319 N. Tenth St., Olean, N. Y. (Olean Tile Co.) WRIGHT, H. D. (B) Endevco Corp., 689 S. Fair Oaks Ave. Pasadena 2, Calif. WRIGHT, Jack (D) University of Omaha Dept, of Fine Arts 60th & Dodge Sts., Omaha, Nebr. WRIGHT, J. E. Messrs. A. G. Hackney & Co., Ltd. Fairfield Pottery, Hanley Stoke-on-Trent, England WRIGHT, John C. c/o Mrs. Sutton, Alfred Station, N. Y. WRIGHT, J. W. (GI) 2703 Densmore Dr., Toledo 6, Ohio ( Owens-Illinois) WRIGHT, Roy E. (X) Philadelphia Quartz Co. of Calif. Sixth & Grayson St. Berkeley 10, Calif. WRIGHT, Thomas S. (R) 485 Monterey North Vancouver, B. C., Canada (Fairey & Co., Ltd.) WUELLNER, Joseph F. (E) 1602 Gabon Ave., Cleveland 9, Ohio (Ferro Corp.) V WURTSBAUGH, C. G. (W) ' Glostex Chemicals, Inc. 3056 Bandini Blvd. Los Angeles 23, Calif. WYATT, Bradley W. (S) Pacific Clay Products 9500 S. Norwalk Blvd. Los Nietos, Calif. 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. WYSOR, D. C. (R) General Chemical Division Allied Chemical Dye Corp. 40 Rector St., New York 6, N. Y. y YAMAGUCHI, Mitsuo (W) 72 Oakwood Ave., Arlington, N. J. (Noritake Trading Corp.) YAMAMOTO, Hideo (G) 305 W. 89th St., New York 24, N. Y. (Asahi Glass Co., Ltd.) YAMASAKI, Kazuo Chemical Institute, Science Faculty Nagoya University Chikusa, Nagoya, Japan YAMAUCHI, T. Tokyo Kogyo Daigaku (Tokyo Institute of Technology) Ookayama, Meguro-Ku, Tokyo, Japan YARTE, Andrew A. (S) Productos Ceramicos, S. A. Apartado 486, Monterrey, N. L., Mexico YAVORSKY, Paul J. (B) McDanel Refractory Porcelain Co. Beaver Falls, Pa. YAWITZ, Murray (G) Fish-Schurman Corp. 70 Portman Rd., New Rochelle, N. Y. YEATER, Roy G. (G) Fostoria Glass Co., Moundsville, W. Va. YOSHIKI, Bumpei 304 Tsurumi-cho, Tsurumi-ku Yokohama, Japan (Asahi Glass Co.) YOUNG, David A. (S) Cloud Ceramics, Concordia, Kansas YOUNG, George F. (G) Demuth Glass Works. Inc., Box 629 Parkersburg, W. Va. 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) Armour Research Foundation 3427 Federal St., Chicago 16, III. YOUNG, John C. (G) Portuguese Bend Club Portuguese Bend, Calif. (Hayward Scientific Glass Corp.) YOUNG, Robert W. (G) American Optical Co. Glass Research Lab. Southbridge, Mass. YOUNG, Stanley H. (RI) Cleveland Quarries Co., Amherst, Ohio YOUNG, Vincent M. (G) Bausch & Lomb Optical Co. 635 St. Paul St., Rochester 2, N. Y. YOUNG, Willard G. (WI) W. A. Case & Son Mfg. Co. Robinson, 111. YOUNG, W. O. (WI) Box 575, 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, Mo. Roster 97 1 UNT, Richard V. (G) Solvay Process Div. Allied Chemical & Dye Corp. Syracuse, N. Y. TZEY, Marvin G. (D) Fostoria Glass Co., 1200 First St. Moundsville, W. Va. JIN, William A. (W) T" 10 Church St., Matawan, N. J. (Atlantic Tile Mfg. Co.) rINISER, Geo. B. (W) Shenango China, Inc., New Castle, Pa. WIAK, Peter P. (S) i SIS S. E. 21st St. Mineral Wells, Texas (Texeramics Inc.) PFE, Richard C. (W) 162 Penfield St., Pomona, Calif. (Pomona Tile Mfg. Co.) IBO, George (G) 88 Melrose St., Vineland, N. J. (Kimble Glass. Co.) .VIS, Lewis (W) 11012 S. Chanera, Inglewood, Calif. (H. F. Coors .Co., Inc.) ZEILLER, Irwin F. (M) ISO Mason Dr. Manhasset, Long Island, N. Y. (B. F. Drakenfeld & Co., Inc.) ZERFOSS, Samuel (RF) Mineral Products Div. National Bureau of Standards Washington 25, D. C. ZICKEFOOSE, Ellis J. (R) Griffin Wheel Co. 445 N. Sacramento Blvd. Chicago 12, 111. ZIEGFELD. Robert L. (M) Lead Industries Assn. 420 Lexington Ave. New York 17, N. Y. ZIMAR, Frank (G) Corning Glass Works Main Lab., Corning, N. Y. ZIMMER, David C. (WI) 513 Harding Rd., Zanesville, Ohio (Nelson McCoy Pottery Co.) ZIMMERMAN, William F. (B) 3836 McNicholas St. Cincinnati 36, Ohio (General Electric Co., Gas Turbine Div.) ZINK, George H. (El) A. O. Smith Corp. 3535 N. 27th, Milwaukee, Wise. ZINK, Harold F. (G) Owens-Illinois, 1700 N. Westwood Ave. Toledo 1, Ohio ZLOTNICK, Herbert (BJ) Raytheon Mfg. Co., Research Div. Waltham 54, Mass. ZNEIMER, Joel E. (BJI) 108 Duff St., Watertown, Mass. (Raytheon Mfg. Co.) ZOLLMAN, James A. (GJ) 1303 Willow St., Pike, Lancaster, Pa. (Radio Corp. of America) ZORZI, Eugene R. (M) C. Tennant, Sons & Co., 100 Park Ave. New York 17, N. Y. ZUDNAK, Stephen J. (W) Box 1599, Trenton, N. J. (General Porcelain Co.) ZUMWALT, Donald A. (E) 6904 E. Slauson Ave. Los Angeles 22, Calif. (California Metal Enameling Co.) ZVANUT. Albert J. (M) Lincoln Electric Co. 22801 St. Clair Ave., Box 3115 Cleveland, Ohio ZVANUT, Frank J. (WI) 14533 Bayes Ave., Lakewood, Ohio (Godfrey L. Cabot, Inc.) ZWERMANN, Carl H. (BFI) 806 W. Main St., Robinson, 111. ZWETSCH, Artur Villeroy & Boch Mettlach/Saar, Germany Addenda JARTHOLOMEW, George L. Box 1009, Alfred, N. Y. JLITON, Jerald Box 826, Alfred, N. Y. BROWN, C. Justus, Jr. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio 3R0WNEWELL, George E. (R) ; Diamond Alkali Co., Box 430 Painesville, Ohio DE PIOLENC, Gerard (G) - Saint-Gobain, Inc., 500 Fifth Ave. New York 36, N. Y. 3DEW, Robert J., Jr. (B) 'i University of Tampa, Chemistry Dept. Tampa, Fla. I>I LAZZARO, John F. * 4015 34th S., Seattle 8, Wash. 0WNS, Charles D. (B) J Columbian Carbon Co. 'I Mapico Color Div. 3 601 Cass St., Trenton 10, N. J. fEASTER, Richard V. ' 4711 17th N. E., Seattle 5, Wash. `fISHER, Richard G. i 17 Wells St., Homell, N. Y. MRALDEZ, Emilio 3 Ceramics Nacional, Apartado A-10 1 Riobamba, Ecuador JHERBST, Richard J. .1619-Glenwood Ave., Joliet, BL ;. *J4 Vn' 1(1 YiQSS) HUTCHINS, John R., Ill Massachusetts Institute of Technology Rm. 4-051, 77 Massachusetts Ave. Cambridge 39, Mass. IRLAND, David L. Box 787, Alfred, N; Y. KACICZ, Joseph M.. Jr. 210 Clinton Rd., West Caldwell, N. J. KLINDER, Thomas W. Box 827, Alfred, N. Y. LINSEIS, Max Gerhard-Hauptmannweg 9 Selb/Bay, Germany LIPMAN, B. David General Delivery, Alfred, N. Y. LOVETTE, Paul V., Jr. (G) Coming Glass Works Glass Technology Dept., Corning, N. Y, MILLER, Herbert M. (S) Dee Clay Products Co., Inc. Bloomingdale, Ind. MOSES, Earl M. (G) Linde Air Products Co. 644 Oliver Bldg., Smithfield St. Pittsburgh 22, Pa. NORTON, George R. Box 613, Alfred, N. Y. OCONNOR, Frank Box 235, Alfred,. N. Y. PARTINGTON, Philip A. Box 787, Alfred, N. Y. POHLE, Joachim H. P. Box 176, Alfred, N. Y. RUBIO, Diego P. Box 623, Alfred, N. Y. SIEBACH, Ralph E. Box 826, Alfred, N. Y. SMITH, Ronald J. Box 847, Alfred, N. Y. SMITH, -Sidney L. 16 Munson St., LeRoy, N. -Y. SOWERS, Robert M. (G) 17155 Shaftsbury, Detroit 19, Mich. (Ford Motor Co.) STAPP, John A., Jr (G) Linde Air Products Co. E. Park Dr. and Woodward Ave. Tonawanda, N. Y. SULENS, Henry A. (M) Ceramic Supply Co., Div. Ferro Corp. Box 151, Crooksville, Ohio WHITEHEAD, Leland E. Box 6122, Va. Tech. Station Virginia Polytechnic Institute Blacksburg, Va. WILLIAMS, Robert E. 710 W. 21st St., Austin, Texas . Roster 99