Document qdp46bJ6KLm53VLjRLkKwbag5

FILE NAME: Kohler (KOH) DATE: 1954 DOC#: KOH 104 DOCUMENT DESCRIPTION: Membership Roster - American Ceramic Society ( The , A m erican C e ram ic id e ty February 15,1993 I hereby certify that the attached copies o f Am erican Ceramic Society Bulletin, V olum e 3 3 ,1 9 5 4 , are true and accurate copies, which are maintained in the normal course o f business at the American Ceramic Society, 735 Ceramic Place, Westerville, Ohio 43081. Christine Schnitzer Product Manager Ceramic Information Center 735 Ceram ic Place Westerville, Ohio 43081-8720 614*890*4700 TWX: 7101109409 P LA IN T IF FS EXHIBIT I1 M i J n J & b i p PLAINTIFF'S EXHIBIT o m it ca Membership Roster The American Ceramic Society This R oster'of m em bers is published only for th e use of m em bers of T he American Ceramic Society. Listings are in alphabetical order. A separate R oster for the N ational In stitu te of Ceram ic Engineers, showing grades of membership, is on pages R-105 to R-108 of this issue. New members received too la te to be included are listed in th e A ddenda on page R-103. These listings give th e m em ber's preferred mailing address. W here this is not his business address his company connection is shown fl parentheses. Divisions and other Society affiliations are indicated in parentheses following each nam e, in accordance with th e code given below. The absence of an y such designation indicates th a t th e m em ber is from outside th e U nited S tates or a stu d ent m em ber, neither of which has Division affiliation. B--Basic Science Division D--Design Division E--Enamel Division . G-- Glass Division M --M aterials and E quipm ent Division R --Refractories Division S--Structural Clay Products Division W--W hite W ares Division X --No Division affiliation F--Fellow of The American Ceramic Society J--Junior Member I-- N ational Institute of Ceramic Engineers . A ABBEY, R. G. (G) General Refractories Co. 1520 Locust St., Philadelphia, Pa. ABBOTT, Gordon H. Rock Enamel (Pty.) Ltd., Box 77 Langlaagte, TVL Union of South Africa ABBOTT, Keith . Box J t3, Alfred, N. Y. ABE, Tosio 1001, Kami-ikegami-cho, Ota-ku . Tokyo, Japan (Tokyo Shibaura Electric Co., Ltd.) ABERNETHY, Lonnie L. (I) Engineering Experiment Station Ohio State University Columbus 10, Ohio ABINGDON POTTERIES, INC. (J. M. Lewis) 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 A C SPARK PLUG DIV., GENERAL MOTORS CORP. (Karl Schwartzwalder) Flint 2, Mich. ADAMS, Earl E. (W) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio 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, Robert R. Battelle Memorial Institut fur Deutschland, Wiesbadenerstr Frankfurt/M ain, W-13, Germany ADAMS, S. L. (G) Joseph E. Seagram & Sons, Inc. Seventh St. Rd., Louisville 1, Ky. ADAMSTON FLAT GLASS CO. Box 631, Clarksburg, W. Va. ADCOCK, Albert S. (W I) American Radiator & Standard Sanitary Corp., 6920 Franklin Ave. New Orleans 22, La. Vol. 33, No. 10 (1954) ADCOCK, Lawrence W., Jr. (W) 459 W . Washington St., Frankfort, Ind. (P . R. Mallory & Co., Inc.) ADDERLEY, James R. 42 Church St., Brierley Hill S. Stafford, England ADERHOLD, George H. (W ) Saxonburg Ceramics, Box 100 Saxonburg, Pa. AFFLERBACH, Harry (E) R.R. 4, Frankfort, Ind. (Ingram-Richardson, Inc.) ' AGASHE, R. N. (Bricks) Tata Iron & Steel Co. Ltd. P. O. Kumardhubi E -l, Dt. Manbhum, India ' AGNEW, G. D. (W ) Universal Potteries, Inc. Cambridge, Ohio -- AHEARN, V. P. (M ) National Industrial Sand Assn. 1325 E St., N. W., Washington 4, D. C. AHL, George W., Jr. (W ) Summit Mining Corp., Bashore Bldg. Carlisle, Pa. 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, Emst (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" Espaa 402--600, Avellaneda Buenos Aires, Argentina (Ferrum, L. A. de Ceramica y ' Metalurgia) ALDEN, Charles E. (G) 1214 Parkside Blvd., Toledo 7, Ohio (Kimble Glass Co.) ALELUIA, Joao C. F. Av. Araujo E Silva--59 Aveiro, Portugal ALENIUS, Carl Axel Iittala Glasbruk, Iittala, 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. (M I) 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) Haaweg 139, Rijswijk, Netherlands ALLEN, Alfred W. (R) Ceramic Engineering Dept. University of Illinois, Urbana, Ilf. ALLEN, Ben (G) " ' Corning Glass Works, Corning, N. Y. ALLEN, Ralph (W) 1234 Paddock Hills Ave. Cincinnati 29, Ohio (John Douglas Co.) ALLEN, RICHARD L. (R I) 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. (R j) 33-05 150th St., Flushing 54, N. Y. (New York State College of Ceramics) ALLISON, Adrian G. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio ALLISON, Leroy W. (M) Ceramic Publishing Co., Inc., Box 9073 North Station, Newark, N. J. ALLMAN, Orin H . (G) Kimble Glass Co., 2626 Dorr St. Toledo 7, Ohio ALT, Leslie R. (S I) 547 Simon St., Hayward, Calif. (Kraftile Co.) ALTMANN, Berton G. (B) . 16700 Cypress Way, Los Gatos, Calif. (Kaiser Aluminum & Chemical Corp.) ALTON BRICK CO. (Eben Rodgers, Jr.) Alton, 111. ALUMINUM CO. OF AMERICA (A. R. Pickett), 1501 Alcoa Bldg. Pittsburgh 19, Pa. R oster 1 MBERG, Chares,.R--(SEi) Alfre4 Unv. ^search Lab., R.R. 1 Box 212B, Kingston, N. Y. MBROSE, Mary S. (D) S82 Neff Rd., Grosse Pointe 30, Mich. (L a Driere Studio) MBROSONE, Joseph P. (G) - 7Q Reynolds Ave., Corning, N. Y. inning Glass Works) aCAN CLAY FORM ING CO. (Dan McPhail) Tyler, Texas . iMERICAN COLLOID CO. (Paul Bechtner) Merchandise M art Plaza, Rm. 813 Chicago 54, 111. AMERICAN ENCAUSTIC T IL IN G CO., INC. (Robert A. Williams, Jr.) Ninth St. & Kenilworth Ave. Lansdale, Pa. . AMERICAN GAS ASSOCIATION (C. G. Segeler) 420 Lexington Av. New York 17, Ni.'Y. AMERICAN LAVA CORP. (John Kruesi) Chattanooga S, Tenn. AMERICAN N EPH ELIN E LTD. (H . R. Deeth) Lakefield, Ont., Canada . AMERICAN OPTICAL CO. (A. H. Bennett) ' Research Center, Southbridge, Mass. AMERICAN PORCELAIN ENAM EL CO. (Robert Long) 1285 Keating Ave. Muskegon 36, Mich: AMERICAN POTASH & CHEM ICAL CORP. (R. M. Curts) ` 122 E. 42nd St., New York 17, N. Y. AMERICAN RADIATOR & STANDARD SANITARY CORP. (James S. Goodman) 834 E. Broadway Louisville 4, K. AMERICAN SMELTING & R E F IN IN G CO. (L. G. Matthews) 120 Broadway, New York 5, N. Y. AMERICAN W IN D O W GLASS CO. A. S. Crandon) 9 West P ark 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., Cresskill, N. J. (B, G. Corp.) AMIN, M. G. 2154 Hawthorne Ave., Toledo 6, Ohio AM IN. R. B. Alembio Chemical Works Co., Ltd. P . O. Chemical Industries Baroda 3, India AMMERMAN, J. H. (RI) 202 Scribner, DuBois, Pa. (North American Refractories Co.) AM RHEIN, 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, Harry L. (RI) Republic Steel Corp., Warren, Ohio ANDERSON, Herbert H. (G) 401 N. Main St., Port Allegany, Pa. (Pittsburgh-Coming Corp.) ANDERSON, Orson L. (G) . Bell Telephone Labs., Murray Hill, N. J. ANDERSON, R. E. (W) . Robertson Mfg. Co., Box 848 Trenton 5, N. J. a ^ d e r s o n , Richard c. (R j) )'S16 W . Sunnyside, Chicago, 111. (Lindberg Engineering Co.) ANDERSON, Rupert C. (W ) Valley View R.R. 2, 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., I l l Broadway New York 6, N. Y. ANDREASEN, A. H. M. (Honorary) Oster Voldgade 10 Copenhagen K., Denmark (Royal Danish Technical Universitv) ANDREWS, Andrew I. (E F I) - Ceramics Bldg., University of Illinois Urbana, 111. ANDREWS, Ray (G) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. ANNIS, Aldon P. (S ) Texas Vitrified Pipe Co., Box 111 Mineral Wells, Texas ANTAKI, Emile Calle Espaa 402/600, Avellaneda, Buenos Aires, Argentina (Ferrum S. A. De Cermica & Metalurgia) ANTHONY, George H . (R) 41 Marion Dr., Poland, Ohio (Youngstown Sheet & Tool Co.) ANWYL, Robert H. (S) Box 597, Toronto, Ohio (Toronto Fire Brick Co.) AO, Takeo No. 11 1-chome Dairyo-Machi Sumiyoshi, Osaka, Japan (Osaka University) ARANGO, G. Botero Balboa 63-13, Medellin, Colombia (Cristalera 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. Archie Structural Products Co. Box 312, Corinth, Miss. ARENSBERG, Francis L. (G) 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. Burns) 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. (R I) 27 Morgan Ave., Washington, Pa. (Findlay Clay Products Co.) ARNOLD, Howard C. (E F I) 76 Standish Blvd., Pittsburgh 28, Pa. (Federal Enameling & Stamping Co.) ARNOLD, Robert M. (M ) Arnold Engineering Co., Marengo, III. ARNOLD, Russell E. (SF) Box E, E. Akron Station, Akron 5, Ohio (Robinson Clay Product Co.) ARNOLD, Thomas M. (W I) Red Wing Potteries, Inc. Red Wing, Minn. ARRANCE, Frank C. (W I) Coors Porcelain Co., Golden, Colo. ARRANDALE, Roy S. (G) Thatcher Glass Mfg. Co., Inc. 1901 Grand Central Ave., Elmira, N. Y. R oster ARRAS, George (h ) 32 S. Peoria St., Chicago 7, 111. (Quadrangle Mfg. Co.) ARTHUR, Edwin P. (G) 3110 Las Faldas Dr., Fullerton, Calif. (Beckman Instruments, Inc.) ' ARTIS, William E. (D) Nebraska State Teachers College Chadron, Nebr. ARW INE, A. S. (R) Refractory & Insulation Corp. Port Kennedy, Pa. ASDELL, Bernard K. (W) Edgar Division Minerals & Chemicals Corp. of America McIntyre, Georgia ASHER, Glen J. (R I) - 2568 Illinois, South Gate, Calif. (Pryor-Giggey Co.) ASHMORE, Russell C., Jr. 25 New Brick Apts., Clemson, N. C ASHW ORTH, GEORGE L., & ' BROTHERS, LTD. (William G. Evans) Broad St. Works Hanley, Stoke-on-Trent, England ASSOCIACAO BRASILEIRA : DE CERAMICA (Francisco de Salles V. de Azevedo) Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil ASQUITH, Milton Redfearn Brothers, Ltd. Old Mill Glass Works Barnsley, England ATW ELL, George D., Jr. (S) . Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. AUER, Konrad F. Netstal, Kt. Glarus, Switzerland AULT, Neil N. (BI) Norton Co., 1 New Bond St. Worcester 6, Mass. AUSKERN, Allan Dept, of Ceramics, M. I. Bldg. Pennsylvania State University State College, Pa. AUSTENAL LABORATORIES, INC. (R. C. Feagin), 224 E. 39th St. New York, N. Y. AUSTIN, Arthur O. (W ) Box 109, Barberton, Ohio (A. O. Austin Co.) AUSTIN, Charles E. (S) Consolidated Brick Co. Horseheads, N. Y. AUSTIN, Chester R. (R FI) Koppers Co., Inc., Research Dept. Koppers Bldg., Pittsburgh 19, Pa. AUSTIN, James Bliss (RF) Research Laboratory, U. S. Steel Corp. Lincoln Highway, Kearny, N. J. AUSTIN, J. L. (W I) 2057 N. Glebe Rd., Apt. 105 Arlington, Va. AUSTIN, Lewis M. (G) 2234 Middlesex Dr., Toledo 6, Ohio (Owens-Illinois Glass Co.) AYDELOTT, Elliott C. (E l) Waverly, Pa. (Murray Corp. of America) AZEVEDO, Francisco de Salles V. de Associacao Brasileira de Ceramica ' Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil AZEVEDO, Marcello R. V., de (I) R. Peixoto Gomide 427 Bairro Bela Vista, Sao Paulo, Brazil (Ceramica Sanitaria Porcelite) B BAAB,. Kenneth A. (RI) 628 Sixth Ave., Bethlehem, Pa. (Bethlehem Steel Co.) BABA, Paul D. 358 Pennington St., Elizabeth 2, N. } BABCOCK, Clarence L. (GF) . 1718 Potomac, Toledo 7, Ohio (Owens-Illinois Glass Co.) C e r a m ic B ulletin babco 618 (Pi BABCO Fre Fre babco (A. 161 BACH, Tut 545 BACH, 771. (Al- BACHE Roc' (W) BACHM Apt. (Ar BACHM 151 . (Pit BACHM R.R (Car BACKU ::451 BACON 315; (On BACON 130 (Co, BACON. Rest Wya Wya badge: Libb 1701 BAER, < R. C Hed Phil: BAGBY. 15 / BAGLE) 11 I (Bel BAILEY 840 (A. BAILEY 95 S (Pla BAILEY Doul . Roya Burs BAILLA' EtabI 6, R, . Paris BAIN, A The Stirli BAIR, G Tech Corn: BAKER, 89 C (P itt BAKER, 15 G (Gen BAKER 113 ; BAKER, 1025 (Ohi< BAKER, 115 5 (N or baker, 158 I (Con Vol. 33, BABCOCK, M. G. (G) 6X8'Kenilworth Dr., Pittsburgh 34, Pa. ' (Pittsburgh Plate Glass Co.) BABCOCK, Paul R. (W I) Frenchtown Porcelain Co. Frenchtown, N. J. BABCOCK & W ILCOX CO. (A. M. Kohler) 161 E. 42nd St., New York 17, N. Y. BACH, Carl H . (S) Tuthill Bldg. Material Co. 545 E. 103rd St., Chicago 28, 111. BACH, William E,, Jr. (M J) 7712 Fontana, Prairie Village 15, Kans. (Aluminum Co. of America) BACHER, Holland R. (D ) : :l Rock Tavern, N. Y. (White Cloud Farm s,.Inc.) BACHMAN, Charles D. (G) Apt. 13-A, Arnold D r., Millville, N. J. (Armstrong Cork Co;)- - ' BACHMAN, George -S. (G) 151 W . Washington St., Shelbyville, Ind. (Pittsburgh Plate-Glass Co.) : BACHMAN, Wheeler- Carr (W ) R.R. 5,. Grafton;'W . Va. (Carr China'Go.)- BACKUS, M rs,-Lulu S. (D ) .'451 S. Goodman St.,:Rochester 7, N. Y. BACON, Frank R. (G) 3153 Darlington Rd., Toledo 6, Ohio . (Owens-Illinois Glass Go.) BACON, Jamies F. (G)-'--- 130 Pritchard Ave., Coming, N. Y. (Coming Glass W orks) ' BACON, Leslie R. (G) . Research and Development Division Wyandotte Chemicals Corp. Wyandotte, Mich. BADGER, Alfred E. (G F) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio BAER, G. M. (R ) R. C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. BAGBY, Richard A, (B J) 15 Allerton Rd., Shiloh, Dayton, Ohio BAGLEY, Norman H . (W ) 11 Hillcrest Rd., Caldwell, N. J. (Bell Telephone Laboratories, Inc.) BAILEY, Floyd (E l) 840 S. Sixth Ave., Kankakee, 111. - (A. O. Smith Corp.) BAILEY, James (GF) 95 Steele Rd., West H artford 7, Conn. (Plax Corp.) BAILEY, Richard J. Doulton & Co., Ltd. Royal Doulton Potteries . Burslem, Stoke-on-Trent, England BAILLAUD, Pierre - Etablissements Japy Freres 6, Rue de Marignan . Paris VIII, France BAIN, Andrew R. The Whins, 26 Park Terrace Stirling, Scotland ' BAIR, George J. (G FI) Technical Products Division Coming Glass Works, Coming, N. Y. BAKER, Arvid H . (G) 89 Church St., P ort Allegany, Pa. (Pittsburgh Coming Corp.) BAKER, Burton E. (R ) 15 Gwynlake Dr., Baltimore 7, Md. (General Refractories Co.) BAKER & CO., IN C. (H . Klausmann) 113 Astor St., Newark, N. J. BAKER, D. Martin (W ) 1025 Gardner Blvd., Barberton, Ohio (Ohio Brass Co.) BAKER, Dunbar J. (R) 115 S. Jefferson St., Mt. Union, Pa. (North American Refractories Co.) BAKER, Houston R. (G) 158 E. Third St., Coming, N. Y. (Coming Glass-Works) Vol. 33,-No. 10 (1954) BAKER, Theodore C. (G) R.R. 1, Wayne, Ohio (Owens-Illinois Glass Co.) BALDAUF, Earl E. (W I) 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.E.A, Lanus-KM 7 C. Gral., Belgrano Buenos Aires, Argentina BALINKIN, Isay (W) University of Cincinnati Cincinnati 21, Ohio BALL, Albert L. (R) Bay State Abrasive Products Co. Westboro, Mass. BALL BRO TH ER S CO. (G. A. Gregory) Muncie, Ind. BANISTER, Monte W. YMCA, 117 W . Monument Ave. Dayton, Ohio BAQUE, Harold W. (G) 1511 Mohican Dr., Pittsburgh 28, Pa. (Corhart Refractories Co.) BARBA, C. E., Sr. (M) R.R. 1, Doylestown, Pa. (Globar Div., Carborundum Co.) BARBA, C. E., Jr. (M) Creek Rd., R.R. 1, Doylestown, Pa. (Globar Div., Carborundum Co.) BARBER, Stephen W . (G) Owens-Illinois Glass Co. 1700 N. Westwood Ave., Toledo 1, Ohio BARBER, W . A., Jr. (S) Acme Brick Co., Box 425 . Fort Worth, Texas BARBOUR; David J. (W F) 345 E. Highland Dr., Zanesville, Ohio BARBRE, Norris H. (S) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, P a .; BARIUM REDUCTION CORP. (K. O. Priddy) South Charleston 3, W . Va. BARKER, H arry 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, Harry H. (SI) Wah Chang Smelting & Refining Co. of America, Inc., Glen Cove, N. Y. BARNES, Wilson R. (R) Corhart Refractories Co. 16th & Lee Sts., Louisville 10, Ky. BARNETT, Charles W . H . (R) 53A Midland St., Worcester, Mass. (Norton Co.) BARNEY, Ronald N. ..... Box 1677, Georgia Tech., Atlanta, Ga. BARON, Jean 15, Place Carnot . . . Nancy (Meurthe et Moselle) France (Institut de Recherches . de la Sidemrgie) . 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, Norman E. (BI) Eagle Picher Co., Box 290 Research Dept., Joplin, Mo. BARR, Robert A. (E) 867- River Rd., F air 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, W est Des Moines, la. ' (Central Engineering & Investment Co.) . . BARRINGER, Lawrence E. (W FI) 23 Front St., Schenectady 5, N. Y. BARRON, Frank C. (W ) R.R. 1, Box 142X, Telegraph Hill Rd. Keyport, N. J. (Atlantic Tile Mfg. Co.) BARROWS PORCELAIN ENAMEL CO. (Dee Charles Davis) 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) Sapulpa, Okla. BARTLETT, E. E. (G) 4387 Boca Chica Blvd. Brownsville, Texas (Bartlett-Collins Co.) BARTLETT, Harrison I. (G) Bartlett-Collins Co.; Sapulpa, Okla. BARTON, G. E. (Life, GF) 227 Pine St., Millville, N. J. BARZAGHI, Luciano Ceramica Sao Caetano Rua Roa Vista, 84--6 andar- Caixa Postal 278, Sao Paulo, Brazil BASLER, Wayne G. (GJ) 5735 Gross D r., Dayton, Ohio BASS, N. W. (R) ' . Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3, Ohio BASSETT, Leon B. (R) Box 284, Alfred, N. Y. (New York State College of Ceramics) BASSETT, Ray E. (S) Acme Brick Co., Box 425 Fort Worth 1; Texas BASSETT, Robert (S) Staso Milling Division Central Commercial Co. Darlington, Beaver County, Pa. BATEMAN, L. A. (E) E ljer Co., Enamel-Ware Div. Salem, Ohio . BATES, Charles E. (S) Hanley Co., Summerville, Pa. BATES, Edgar A. (B) 204 Florida Dr., New Kensington, Pa. (Pittsburgh Plate Glass Co.) BATES, H . Clifford (G) Corning Glass Works of Canada, Ltd. Leaside, Ont., Canada .. BATES, P. H. (Life, BF) 1620 Seventh St., N.. St. Petersburg, Fla. BATESON, H. Marshall 68 Spring Grove Loughton, Essex, England (Thermos, Ltd.) 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. R oster 3 M, Frederick J., Jr. (B) . a. I. dii r,ont de Nemours & Co., Inc. experimental Station, Chemical Dept. iVilmington, Del. MANN, Henry N,, Jr. (BFI) 1275 Wyoming Ave. M j'-ara Falls, N. Y. ( jrundum Co.) K l Leon N. (R) 240 Rockingham Rd., Pittsburgh 38, Pa. (Mellon Institute) JMLER, Karl (G) Pittsburgh Corning Corp., Sedalia, Mo. JSCH * LOMB OPTICAL CO. (M urray Scott) Rochester 2, N. Y. 7LISS, John M. (R) 629 Frederick St., Lancaster, Ohio (Mullite Refractories Co.) YNHAM, Ronald O. ' Box 1046, Georgia Institute of Tech. Atlanta, Ga. Y STATE ABRASIVE PRODUCTS CO. (O. S. Buckner) Westboro, Mass. AL, D. S. .(E ) 15 Oak Dr., Poland, Ohio (Youngstown Sheet & Tube Co.) ALS, M. Douglas (GI) ... Research Lab., Titanium Division National Lead Co., South Amboy, N. J. ' .ALS, Robert J. (W I) 109 Ceramics Bldg. ' University of Illinois, Urbana, 111. AM, James R. (W FI) Ludwig Rd., New Castle, Pa. (Ceramic Engineering Service) ZARD, Clinton L. (W I) - Globe-Union, Inc., .900 E. Keefe Ave. Milwaukee, Wise. EASLEY, Dennis R. (G) 3654 Piedmont Rd., Huntington, W. Va. ( Sinclair Glass Co.) . EATHARD, Robert K. (W) General Tile Corp., Box 38 F* Segundo, Calif. E.".... N, Orville (W ) . Ji Clay Forming Co., Sebring, Ohio EAUDOIN, Arnland J. (E J) 3410 Archwood Ave., Cleveland 9, Ohio (Ferro Corp.) SEAVER, Wallace W. (M) Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3, Ohio 3EAZELL, William H. (G) American Window Glass Co. 9 W. Park Wav, Pittsburgh 12, Pa. BEBBINGTON, Philip J. (R) 2 Barker Lane, Saxonville, Mass. (Arthur D. Little, Inc.) ' BECHTNER, Paul (M) American Colloid Co. Merchandise Mart Plaza, Room 813 Chicago 54, 111. BECK, Elmer W. (M) Ceramic Supply Co., Crooksville, Ohio BECK, Homer (S) Richland Shale Brick Co. Mansfield, Ohio BECK, Norman R. (G) Carr-Lowrey Glass Co. Baltimore 3, Md. BECK, Roy D. (M I) 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) Research Laboratory Universal-Rundle Corp. New Castle, Pa. B' 'ER, Bruce N. (W J) '2 N. Marshall St., Lancaster, Pa. (Radio Corp. of America) BECKER, Martin G. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. H Roster BECKER, Walter D. (S) Brookhaven Pressed Brick & Mfg. Co. Box 542, Brookhaven, Miss. BEECHER, Milton F. (R F I) 50 Woodland Rd., Holden, Mass. BEELER, L. S. (R) Reynolds Metals Co., 2500 S. Third St. Louisville 1, Ky. BEERMAN, Henry P. (B) I.T.E. Circuit Breaker Co. Special Products Div., 601 E. Erie Ave. Philadelphia 34, Pa. BEERS, Roland F. (D ) Box 1015, Troy, N. Y. (Beers & Heroy) BEETON, Earl E. (GI) 1604 Lincoln St., Bethlehem, Pa. (W estern Electric Co.) BEGIEN, Virginia American Ceramic Society 4055 N. High St. Columbus 14, Ohio BEHNKE, Fred (RJ) Sprague Electric Co. North Adams, Mass. - BEHREND, Oswald (R) 2557 Robinwood, Toledo, Ohio (Owens-Illinois Glass Co.) 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, Kenneth E. (S) Saskatchewan Clay Products Estevan, Sask., Canada BELL, Richard (M) Bell Clay Co., Gleason, Tenn. BELL, W . C. (R) Dept, of Engineering Research ' North Carolina State College Raleigh, N. C. BELLAMY, Harry T. (R) 2514 Pioneer Rd., Evanston, 111. (Armour Research Foundation) BELLAMY, L. B. (R ) . Sterling Abrasives Division Cleveland Quarries Co., Box 801 Tiffin, Ohio BELLIDO, Bartolom Darnis Director Gerente de ME.R.S.A. Lugones (Oviedo), Spain BELOW, Henry (W) Pennsbury Pottery, Morrisville, Pa. BENBENEK, Raymond (S I) 2302 Albright Dr., Greensboro, N. C. BENDER, Bob G. (GI) Rauland Corp., 4245 N. Knox Ave. . Chicago 41, III. 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, Ohio BENJAM IN ELECTRIC MFG. CO. (Hoyt P . Steele) Des Plaines, 111. BENNER, Stanley G. (E ) General Ceramics Corp. Crow's Mill Rd., Keasbey, N. J. BENNER, W. J. (R) . . 730 Romona Rd., Wilmette, 111. (Pyro Refractories Co.) BENNETT, A. H. (G) American Optical Co., Research Center Southbridge, Mass. . BEN N ETT, A. Lee (R F I) Gladding, McBean & Co. ' 2901 Los Feliz Blvd. Los Angeles 39, Calif. B EN N ETT, Dwight G. (E F I) 204 Ceramics Bldg. . University of Illinois, Urbana, 111. BENNETT, Francis H. (R) P ratt & Whitney Aircraft, MDL D-9sg East H artford 8, Conn. BENNETT, Frederick R. (R) Box 325, Hartsville, S. C. (Carolina Refractories Co.) BENNETT,. Harry J. (W ) Crooksvile China Co. Crooksville, Ohio BENNETT, Myles P. (R I) 6552 N. Oldham Lane San Gabriel, Calif. (Gladding, McBean & Co.) BENNETT, W alter R. (S) Acme -Brick Co., Denton, Texas BENTON, Marion L., Jr. 720 N. Washington St., Owosso, Mich. BENTZ, Frank J. (R) National Plumbing Pottery, Inc. Dearborn St., Zanesville, Ohio BERG, Morris (B) 3407 Tulane Dr., Apt. 33 West Hyattsville, Md. (Bureau of Mines) BERGAMASCHI, Henry Trent 518 29th St.; Union City, N. J. ' BERGER, Bernard M. (E) Dept. 817, Sears, Roebuck & Co. 925 S. Homan Ave., Chicago 7, 111, BERGER, Donald Francis (G) 41 W . South St., Painesville, Ohio (Diamond Alkali Co.) BERGERON, Clifton G. (E l) 12027 W . Potter Rd. Milwaukee 13, Wise. (A. O. Smith Corp.) ' BRG-IVERSEN, Wiggo A /S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (E l) 3621 W. Howard St., Skokie,. 111. (Ohmite Mfg. Co.) BERNARDINI, Guy F. (W ) Box 70-A, R.R. 1, Latrobe, Pa. (Stupakoff Ceramic &' Mfg. Co.) - BERNS, Milton H . (M) 42 Dudley Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) BERNSTORF, Robert B. (W ) Box 679, East Liverpool, Ohio (Commercial Decal, Inc.) 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, Pa. BETTISON, L. S. (S) Chambers Brothers Co. 52nd & Media St., Philadelphia 31, Pa. BETZ, George C: (W F I) Metal & Thermit Corp., 100 E. 42nd St. I New York 17, N. Y. BETZ, Wilbert A. (W ) U. S. Potters Assn. 104 E. Fourth St., East Liverpool, Ohio BEVIS, Ralph E. (E l) International Division, Ferro Crp. 4150 E. S6th St., Cleveland 5, Ohio BEZBORODKO, David (G) Mechanical M irror W orks, Inc. 661--663 Edgecombe Ave. New York 32, N. Y. B. G. CORP (Frank J. Fallon) ' Ridgefield, N. J. ' BICKFORD, Fred A. (G) Box 29, R.R. 2, Campbell, N. Y. (Corning Glass Works) BIDDLE, George J. (R) 208 S. LaSalle St., Chicago 4, 111. (Illinois Clay Products Co.) BIDDULPH, Albert ' 11 Holden Rd. Wolverhampton, England (Ferro Enamels, Ltd.) . . C er a m ic B ulletin ' 267 Y\ (W rig b il l ia n , Owens Genen 1700 > BILLINGS Glass 3601 : Los A BIRCH, R 1800 I Pittsbi (Harb BISHOP, Kimbli Toledo b ish o p, Guign; Colum b ish o p, Owens Ander: b ish o p, Alumii 3300 b isse l l , 850 SI (Ipsen BLACK, I Kimbli Toledo BLACK, J 13700 Kent (Conti BLACK, L R.R. 3 BLACKBl 204 N (Ram, BLACKW 59 W. Colum (Carb< BLAES, H 339 N (Nortl BLAHA, I 415 A(Selas BLAIR, G. 3791 h (Baus BLAIR, M. 2131 S (Manu BLAISON. Socit "Savoi Veniss BLAKE, / 78 Par (Inten BLAKE, E Box 2: BLAKE, V Mackli BLANCH/ A. O. Milwai BLAU, He Federa Coturni BLENKO, 1412 1 (Blenk BLESSINf 1720 I Richmi (Lacle BLISS, L. Foote Philad. BLISS, Ro Deiste: 35 E. VOL. 33, L D-958 I i Mich. i 111. . iio Co. 10 Pa. . Pa. nd St. Ohio rp. io f BIELSTEIN, Hans O. (R ) . 267 Wilmington Ave., Dayton 10, Ohio (Wright-Patterson A.F.B.) j ILLIAN, Carroll J. (G) Owens-Illinois Glass Co. General Research Div. 1700 . Westwood Ave., Toledo 1, Ohio glLLINGS, David D. (G) Glass Containers, Inc. 3601 Santa Fe Ave. Los Angeles 11, Calif. BIRCH, Raymond E. (R FI) 1800 Farmers Bank Bldg. ' Pittsburgh 22, Pa. (Harbison-Walker Refractories Co.) BISHOP, Frederic L. (GF) Kimble Glass Co., Box 1035 Toledo 1, Ohio BISHOP, George J,, III (S) Guignard Brick Works, Box 480 Columbia, S. C. BISHOP, Harold E. (G) . Owens-Coming Fiberglas Corp. Anderson, S. C. BISHOP, Lveme R. (R) Aluminum Co. of America ' 3300lMissouri Ave., East St. Louis, 111. BISSELL, Don W-, Jr. (RI) 850 Sherwood Dr., N. W., Beloit, Wise. (Ipsenlab of Rockford, Inc.)' BLACK, H . R. (G) Kimble Glass Co., 2626 Dorr St. Toledo 1, Ohio . BLACK, James A. (D ) . 13700 Sparta Ave. N. W. Kent City, Mich. (Continental Decale.omania Co.) BLACK, Lloyd V. (G) R.R. 3, Murphy, N. C. BLACKBURN, A. Reif (M I) 204 N ' State St., Westerville, Ohio (Ram, Inc.) BLACKWOOD, James M. (R I) 59 W . Royal Forest Blvd. Columbus, Ohio (Carborundum Co.) BLAES, Henry M ,, II (R J) 339 N. Hoover Ave.,' Whittier, Calif. (North American Aviation) . . BLAHA, mil (R) 415 Ashmead Rd., Cheltenham, Pa. (Selas Corp. of America) BLAIR, Gerald E. (G) 3791 Monroe Ave., Pittsford, N. Y. (Bausch & Lomb Optical Co.) . BLAIR, Marion W. (S F ) 2131 S. Center St., Terre Haute, Ind. (Manufacturers Equipment Co.) BLAISON, Pierre Socit Des Electrodes E t Rfractaires "Savoie," 43, Rue de l'Industrie Venissieux (Rhone), France BLAKE, A. E. (R) 78 Park Ave., West Caldwell, N. J. (International Engineering, Inc.) BLAKE, Edwin M. (D) Box 210, Mount Kisco, N. Y. BLAKE, William V. (R I) Macklin Abrasive Co., Jackson, Mich. 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 (R I) 1720 Boneta Ave. Richmond Heights 7, Mo. (Laclede-Christy Co.) BLISS, L. G. (G) Foote Minerai Co., 18 W. Chelten Ave. Philadelphia 44, Pa. BLISS, Roderick T. (S) Deister Concentrator Co. 35 E. Center St., Nesquehoning, Pa. Vol. 33, No. 10 (1954) BLOCKSIDGE, Arthur B., Jr. iR ) 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 ) 18 Mishawum Rd., Woburn, Mass. (R. Guastavino Co.) BLOHM, Richard E. (XJ) 1625 Northern Parkway, 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 Swinnertons,, Ltd. Hanley, Stoke-on-Trent, England BLUE RIDGE GLASS CORP. (J. H. Lewis) Kingsport, Tenn. BLUM, Seymour (I) 97 Pierce Rd., Watertown, Mass. BLUME, Arthur J. (SI) Murray Tile Co., Cloverport, Ky. BLUMENTHAL, George (W I) Golding-Keene Co., Keene, N. H. BLUNT, Royden A. (G F; Buck Glass Co. Fort Ave. & Lawrence St. 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 Road, R.R. 5 Ann Arbor, Mich. (Ford Motor Co.) BOEKER, V. W. (GI) Owens-Coming Fiberglas Corp. 16 E. 56th St., New York, N. Y. BOGATAY, Paul (D) 45 \y . 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., Shelton, Conn. BOLANOVICH, Melvin (S) 3118 Palmer Sq., Chicago 47, 111. (Illinois Brick Co.) BOLE, George A. (X F) 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. (R I) 1220 Russel Rd., 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. (W) Aluminum Co. of America, Alcoa Bldg. Pittsburgh 19, Pa. BONK, John A. (G) Coming Glass Works, Fallbrook Plant Coming, N. Y. BONNER, Don B. (W ) 2149 E. 37th St., Los Angeles 11, Calif. (Bonner Engineering Co.) BONNOT CO. (B. T. Bonnot) Canton, Ohio BONNOT, B. T. (MF) Bonnot.Co., Canton, 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) Charles Taylor Sons Co. Box 58, Annex Sta., Cincinnati 14, Ohii BOPP, Harold F. (GF) 67- Gorton St., Coming, N. Y. (Coming Glass Works) BORDARAMPE, P. J. ' A. P. Green Argentina, Piedras 383 . Buenos Aires, Argentina 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) Florence Stove Co., Gardner, Mass. BOTFIELD REFRACTORIES CO. (George B. Botfield) Swanson & Clymer Sts. Philadelphia 47, Pa. BOTHE, James V. (GJ) 60 E. Fourth St., Coming, N. Y. (Coming Glass Works) BOTFIELD, George B. (R) Botfield Refractories Co. Swanson & Clymer Sts. Philadelphia 47,'Pa. . BOUDER, Norman M., Jr. (G) 4820 Roland Ave., Baltimore 10, Md (Pemco Corp.) BOULTBEE, Donald (E J) 5508 Waveland Ave., Chicago, 111. BOURDILLIAT, Felix 3 F Rue du Docteur Roux Paris XV, France v BOURGERIE, R. D. (B) Radio Materials Corp. 3325 N. California Ave., Chicago 1 8 ,1 BOVEE, Benedict A. (M) 1837 'W inter Rd. Grand Island, R.R., N. Y. (Globar Div., Carborundum Co.) BOWER, David N. (G) 3932 Rohr Dr., Toledo 13, Ohio (Owens-Illinois Glass Co.) BOWER, James A. (W ) 107 First St., Chester, W . Va. (Taylor, Sm ith.& Taylor Co.) BOWERS, Donald J. (M) 950 Highland Dr., Columbus 14, Ohi fBattelle Memorial Institute) BOWES, Urban E. (GF) Owens-Illinois Glass Co., Box 1035-10 Toledo 1. Ohio BOWMAN, D. Scott (M) 818 E. Side Dr.. Geneva, 111. <Carborundum Co.) BOWMAN. Donald C. (E) 170 N. Du Bois Ave., Elgin, 111- (Chicago Vitreous Corp.) BOWMAN, Eugene D. (G) 824 Oakwood Ave., Columbus 6, Ohi (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 (G) Vitro Mfg. Co., 60 Greenway Dr. Pittsburgh 4, Pa. BOYCE, Robert E. (W) Harker Pottery Co. East Liverpool, Ohio R oster BOYD. 'Frank H . (M ) ' S. G: Frantz Co., Inc. Box 1138, Trenton, N. J. BOYD, John E. (M I) Box 2414, Greensboro, N. C. (Carolina Pyrophyllite Co.) BOYD, Robert C. (E F I) American Radiator & Standard Sanitary Corp., 1541 S. Seventh St. Louisville 8, Ky. BOYLES, John P. (W) Scammel China Co., 300 Third St. Trenton, N. J. 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., Port Allegany, Pa. BRACKBILL, Charles E. (S) 1415 County Line Rd., Fostoria, Ohio (Electric Auto-Lite Co.) BRADFORD, Virgil E. 59 Reeb Ave., Columbus 7,- Ohio BRADLEY;, Alan L. Consolidated Rand Brick Pottery & Lime Co. P. O. Olifantsfontein Transvaal, South Africa BRADLEY, Charles A., Jr. (G) 21 E. Fourth St., Corning, N. Y. (Coming Glass. Works) BRADLEY, Fennimore N. (W I) 906 E. Deleware, Urbana, 111. (University of Illinois) BRADLEY, R. S. (R F I) A. P. Green Fire Brick Co. Research Dept., Mexico, Mo. BRADSTREET, Samuel W . (R) Armour Research Foundation 10 W . 35th St., Chicago, 111. BRADWELL, Cyril (RI) Parkhurst Apts. 2B Barbara & Marion Sts., Bethlehem, Pa. (Bethlehem Steel Co.) BRADY, Charles P . (W) 3609 N . Gondar Ave, Long Beach 8, Calif. " (Re-Ward Ceramic Color Mfg. Co.) BRADY, John G. (B) Dept, of Mines & Technical Surveys Ceramic Section, 40 Lydia St. Ottawa, Ont., Canada BRADY, Justin M. (M) 1716. N. Meridian St., Indianapolis, Ind. (American A rt Clay Co.) BRADY, T. E. (R) Surface Comhustion Corp. 2375 D orr St., Toledo 1, Ohio BRAIN, Douglas G. (W) 1960 Jane St., Toronto 1.5, 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) 1308 N. Wilson Ave., Pasadena, Calif. (Solar Mfg. Co.) BRANDT, Martha W. (G) National Glass Budget 800 Grogan Bldg., -Pittsburgh 22, Pa. BRANDT, Neill M. (GF) . Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BRANDT, William O. (R F I) . Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BRANT, David G. (W I) 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, A. C. (SJ) Western Clay Mfg. Co., Box 176 Helena, Mont. BRAY, Kenneth J. (W ) Wenczel Tile Co., Trenton, N. J. . BRAZEE/Erland Elektriska Svetsnings A /B Gothenburg, Sweden Brazilian Ceramic Society-- see Associacao Brastleira de Ceramica BREEDLOVE, James G. (W I) American Lava Corp. Chattanooga, Tenn. . BREENE, George A. (G) Industrial Colloids Co. Emlenton, Pa. BREEZE, Lewis K. (E ) 1244 Eastwood Ave., Mayfield Heights Cleveland 24, Ohio (Glascote Products, Inc.) ' BREITW IESER, Robert H. (R) 5070 Vallejo St., Denver, Colo. (Denver Fire Clay Co.) BREKKE, Trygve ' . Box 266, Stavanger, Norway (Stavangerflint) ' BRENNAND, Ricardo . Ceramica Sao Joao, Caixa Postal 231 Recife, Pernambuco, Brazil 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) Mineral Wells Clay Products Co. Mineral Wells, Texas BREWSTER, Gordon F. (G) 807 Ridge Road E., Williamson, N. Y. (Bausch & Lomb Optical Co.) BRIAN, Charles (W) Paper Makers Importing Co., Inc. 44 S. Second St., Easton, Pa. BRIAN, Dick (M) 422 Florida Ave., Chester, W . Va. (Harshaw Chemical Co.) BRIAN, S. Douglas (W ) Paper Makers Importing Co., Inc. 44 S. Second St., Easton, Pa. BRINKMAN, Robert J. (XJ) 3405 W. 90th St., Cleveland 2, Ohio (Carborundum Co.) BRISTOW, J. S. William Jessop & Sons, Ltd. Brightside Works, Sheffield, England BRISTOW, Robert H. (W I) 1348 Evergreen Ave. Schenectady 6, N. Y. (General Electric Co.) BRITCHER, Gordon (S) 306 Berkeley Dr., Syracuse 10, N. Y. (Syracuse Pottery Co.) BRITISH CERAMIC SOCIETY North Staffordshire Technical College Stoke-on-Trent, England BRITTAIN, Clifford G. Box 1307, Clemson, S. C. BRITTON, Marvin G. (B) 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 6 R o s ie r BROOKS, Robert H. (W) 4380 Hannon Rd., El Sobrante, Calif, (American Radiator & Standard Sanitary Corp.) BROSIUS, John P. (G) 403 Emerson Ave., Aspinwall Pittsburgh 15, Pa. (Krieg Piston Ring Co.) BROSKE, William F. (R) Aircraft-Marine Products, Inc. 2100 Paxton St., Harrisburg, Pa. BROWN, Clarence B., Jr. (R) Hardinge Co., Inc., 205 W. Wacker Dr Chicago, 111. ' BROWN, Colin C. (R) 21 Medbury Ave., Cuba, N. Y .' BROWN, Donald Nicol (G) 4 E. Third St., Coming, N. Y. (Coming Glass Works) BROWN, Donovan P. (RI) 420 Curtis Bldg., 2842 W. Grand Blvd, Detroit 2, Mich.' (North American Refractories Co.) BROWN, Frank H,, Jr. (B) 1090 Hastings Ranch Dr. . Pasadena 8, Calif. (Jet Propulsion Laboratory) BROWN, George Reuben (M) North American Mfg. Co. ' 4455 E.'71st St., Cleveland 5, Ohio BROWN, John J., Jr. (SI) ' Moland-Drysdale Corp. - Hendersonville, N. C. BROWN, Joseph A. (S) Baltimore Brick Co. 3200 E. Madison St., Baltimore 5, Md. BROWN, Lawrence H . (W FI) Box 632, East Liverpool, Ohio (Hall China Co.) BROWN, Leslie (W) Lenox, Inc., Trenton 5, N. J. BROWN, Meredith C. (S) 9500 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) BROWN, Raymond G. (R) Niagara Falls, N. Y. BROWN, Raymond J. 1930 S. Scoville Ave., Berwyn, 111. BROWN, Roy W. (G) 3842 Grennoch St., Houston 25, Texas (Carborundum Co.) BROWN, Wilbur F. (GF) Libbey-Owens-Ford Glass Co. Rossford, Ohio Comstock & Westcott, Inc., Box 835 BROWN, William E. (R) Box 217, R.R. .1, Norristown, Pa. (E. J. Lavino & Co.) BROWNE, Thomas C. (RI) 2115 Orchard Dr. South Plainfield, N. J. (Titanium Div., National Lead Co.) BROWNELL, Wayne E. (BI) 126 Homell St., Homell, N. Y. (New York State College of Ceramics) BRUEGGERHOFF, Charles (R) Mexican Zinc Co., N. Rosita Coahuila, Mexico ' BRUMMER, George M. 965 Sweet Home Rd. Williamsville 21, N. Y. BRUNNER, Cedric D. (W) 2223 Table Dr., Golden, Colo. (Coors Porcelain Co.) 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 Columbus 15, Ohio BRUSSE, William, Jr. (E) Temco, Inc., Nashville 9, Tenn. BRYANT, Albert D. (M) Standard Silica Corp. Box 407, Ottawa, 111. C e r a m ic B ulletin BRYANT, Eugene E. (EFI) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio BRYCli, Homer L. (X) 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) . Fort Ave. -& Lawrence St. Baltimore 30) Md. BUCK, Ivan E., Jr. (E ) 300 Greenwood Ave., R.R. ' Cape May, N. J. BUCKLES, Paul E. (RI) 810 W. Sixth St., Tyler, Texas (American Clay Forming Co.) BUCKNER, O. S. (GI) Bay State Abrasive Products Co. Westboro, Mass. BUEGE, Robert H. (W ) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. BUEHLER, Bert P. (R) . 2439 Torrington Ave., Parma 29, Ohio (Cleveland Builders Supply Co.) BUESSEM, W. R. (B) Pennsylvania State University College of Mineral Industries State College, Pa. BUFFALO POTTERY, INC. (R . E. Gould) 25 Hayes PI. Buffalo 10, N. Y. BUILDERS BRICK CO. , (R. C. Houlahan) 3800 Ninth Ave., S., Seattle, Wash. BUKTAS, Bulent Sumerbank, Ankara, Turkev BULLARD, Edward R. (E) B. F. Drakenfeld & Co., Inc. Washington, Pa. BUNGE, Fred H. (M) M. A. Hanna Co., Research Lab. Hibbing, Minn. BURCH, Oscar G. (GF) Owens-Illinois Glass Co. Box 1035--1036, Toledo 1, Ohio BURCHENAL, Charles H. (W) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio BURCHFIEL, B. M. (R FI) 4458 Rosewood PL, Riverside, Calif. (Hancock Brick Co.) BURCHFIELD, Paul E. (M) . Wyandotte Chemicals Corp. 1609 Biddle Ave., Wyandotte, Mich. BURDICK, Milton D. (W FI) Porcelain & Pottery Section National Bureau of Standards Washington 25, D. C. BURDICK, Robert (R) > Alfred University, Alfred, N. Y. BURGESS, Blandford C. (MF) MSA-- STEM , APO 928 56 Postmaster, San Francisco, Calif. BURGNER, Arthur J. (W) Canadian Potteries, Ltd. St. Johns, Que., Canada 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) 209 Hammes, Joliet, 111. (General Refractories Co.) Vol. 33, No. 10 (1954) 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 (W. I. Tycer Pottery Co.) BURNS, Henry K., Jr. (S) 1620 Waverland Dr., Macon, Ga. (Burns Brick Co.) BURNS, R. S. (E ) . Armco Steel Corp., Research Library Middletown, Ohio BURRISS, William K. (G) Rm. 713, Caxton Bldg., 812 Huron Rd. Cleveland 15, Ohio (Industrial Publications, Inc.) BURROUGHS, F. H. (W) Box 1329, Trenton 7, N. J. (Star Porcelain Co.) BURROWS, Fremont O. 1428 Washington Ave., Chehalis, Wash. BURTON, Howard B. (G) 1618 Arlington Ave., St. Paul 6, 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. (W ) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh 22, Pa. BUSH, Edward Allen 241 Sherman Ave., Vandergrift, Pa. BUSH, James W. (GI) ' 2531 Brownsville Rd., Pittsburgh 10, Pa. (Natco .Corp.) BUSH, Ralph R. (M) 520 McKinley St., North Canton, Ohio (Bonnot Co.) . BUSHONG, R. M. (R) ` National Carbon Co., Tiffin & Town Sts. Fostoria, Ohio BUSTEED, Donald J. (R I) 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 W all & Lead Industries, Ltd.) BUTKOVICH, Edward M. (R) 9000 Buffalo Ave., Chicago 17, 111. (Armour Research Foundation) BUTLER, C. Edward, Jr. 152 Elm St., Hudson, Ohio (Consultant) BUTLER, F. W. (W) Akron Porcelain Co., Akron 14, Ohio BUTLER, Mike W . (S) Box 816, Austin 64, Texas (Elgin-Butler Brick Co.) BUTLER, Thomas J., Jr. (S ) Box 279, Austin 2, Texas (Elgin-Butler Brick Co.) BUTTLE, Robert L. (W) 111 Bayview Dr., Absecon City, N. J. (Lenox Inc.) 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 CABANIE, Lucien E Japy Freres, Fesches-Le-Chatel (Doubs) France CABLE, John A. (W) 1011 22nd St. N. E., Canton 4, Ohio (U. S. Quarry Tile Co.) CABLE, Margaret (DF) 152 San Miguel Ave. Santa Barbara, Calif. : ' CABLE, Stephen J. (W ) ' ' 811 28th St. N. E., Canton, Ohio (Sparta Ceramic Co.) ' CABOT, GODFREY L., INC. (Frank E. Daley) 105 Glen Dr. ' Yardley, Pa. CACCAMISE, Charles T. (M) ' Electro .Metallurgical Co., 137 47th St. Niagara Falls, N. Y. CAHOON, G. J. (W I) Knox Porcelain Corp. Knoxville 11, Tenn. CAHOON, Harold P. (S) . 1555 E. 3350 South Salt Lake City, Utah (Interstate Brick Co.) CAITO, A. M. (RI) Basic Refractories, Inc. Maple Grove, Ohio CALA, Charles .F. (G) 144 Hoover Rd., Rochester 17, N. Y. (Bausch & Lomb Optical Co.) CALDWELL, Helen (D) Board of Education Administration Bldg., 1429 W. Seventh Burlington, la. CALDWELL, Smiley, Jr. (G) Rolland Glass Co., Clarksburg, W . Va. CALDWELL, William D. (E l) Perfection Stove Co., 7609 Platt Ave. Cleveland 4, Ohio CALLAHAN, H. D. (WFI) U . S. Quarry Tile Co. East Sparta, Ohio CALLAHAN, Jerome T. 1081 Arlington Ave-, S. W. Atlanta, Ga. CALLAHAN, Robert M. (X) 1585 Casitas Ave., Pasadena, Calif. (Solar Mfg. Co.) CALLINAN, Edwar'd E. (RF7) 24 E. Fomance St., Norristown, Pa. (Alan Wood Steel Co.). CALVILLO, Juan F. (E) Troqueles y Esmaltes Apartado Postal 371 Monterrey, N.L., Mexico CAMERON, Robert Ayre (G) Corning Glass Works, Corning, 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 Pasadena 4, Calif. CAMPBELL, John D. (E) . Box 52, Orange, N. J. (Lithium Corp. of America, Inc.) CAMPBELL, Robert M. (W FI) Alfred, N. Y. (New York State College of Ceramics) CAMPBELL, Tom W. (W) Box 255, Poland, Ohio (Electro Refractories & Abrasives Corp.) CAMPBELL, Van E. (W) 363 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) CAMBRIDGE GLASS CO. (William C. Orme) Cambridge, Ohio Roster 7 .tf p o s , F. Torres Puerto Rico 'Clay Products Co. . Box 4729, San Juan, Puerto Rico ,,.UADIAN CERAMIC SOCIETY (Miss L. C. Keith), 49 Turner Rd. Toronto 10, Ont., Canada AFIELD, J. j. (EF) 2909 Orlando Dr., Middletown 20, Ohio (Arroco Steel Corp.) - jiNING, Robert (G) ^ 202 Fox Chapel Rd., Pittsburgh 38, Pa. (Pittsburgh Plate Glass Co.) CAPELLMAN, John J. (R) u 1118,'Highland St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) CAPPELLI, Louis A. '. ' Theta Xi House, 179 Fourth St., N. W. Atlanta, Ga. CAPPS, Hubert (X ) 1108 W. Third St., Coffeyville, Kans. ' (Ludowici-Celadon Co.) CAPPS, Webster (G) National Bureau of Standards Washington 2$. D. C. CARBORUNDUM CO. (H . C. Martin) Niagara Falls, N. Y. CARDER, Frederick (Honorary, GF) Steuben Div., Coming 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 t Central Falls, R. I. CARLSON, Joseph A. (S') 50 Hawthorne St. . San Francisco 5, Calif. (Kraftile Co.) ' ' CARLSON, William G. (R I) 1452 Penn Ave., Pittsburgh 21, Pa. _ (Westinghouse Electric Corp.) KRLYLE. Edward C. fS) Box 128, Ironton, Ohio (Carlyle Tile Co.) CARMI, Moshe Box 1039, Alfred, N. Y. CARNAHAN, Thomas D. (M I) 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 (W ) Hedi Schoop A rt 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. (M F) H, C. Spinks Clay Co., Inc. Box 829, Paris, Tenn. CAROTHERS. Richard B., J r.J M ) H. C. Spinks Clay Co., Inc. Box 829. Paris, Tenn. CAROTHERS, T. E. (M) 1700 Devereaux Dr., Burlingame, Calif. (Gladding. McBean & Co.) CARPENTER, F. Scott. Jr. (W ) White Pigments Division . Godfrey L. Cabot, Inc., 77 Franklin St. Boston 10, Mass. CARPENTER, Woodrow (E) Barrows Porcelain Enamel Co. ... Langdon Rdi & Penn. R. R. Cincinnati 13, Ohio CARR-LOWREY GLASS CO. (Norman R. Beck) Baltimore 3, Md. CARROLL, Joseph (X) Marquette University, Physics Dept. 1131 W. Wisconsin Ave. Milwaukee 3, Wise. . .. Vol. 33, No. 10 (1954) . i CARROLL, William F. (\Y) 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. (W I) Tiffin 12," Ohio (American Radiator & Standard Sanitary Corp.) CARTER, Herbert D. (EFI) 3351 Dorchester Rd. Shaker Heights 20, Ohio (Harshaw Chemical Co.) CARTER, J. Guild (M) 190 W . State St., Trenton, N. J. (Sales Representative) CARTWRIGHT, Robert A. 195 Tenth St., N. W., Atlanta, Ga. CARTWRIGHT, S. V. (RI) 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. (Willard G. Young) Robinson, III. CASSADY, Bert L. (R) 5115 S. Lewis Ave., Tulsa 15, Okla. CASTANY, Charles I. (X) 630 W . Winnipeg San Antonio 11, Texas CASTERLINE, Dale R. 243 Imperial Ave., Painted Post, N. Y. CATHER, Helen Fisher (W ) Box 2372, Laguna Beach, Calif. (Cather Kilns) CATON, Milton W. (RF) 22490 Nevada Ave., East Detroit, Mich. . (Ceramic Div., Champion Spark Plug Co.) CAUTHORN, James E. (RJ) R.R. 4, Mexico, Mo. CAVANAUGH, D. J. (W I) 822 32nd St., Parkersburg, W. Va. (U. S. Quarry Tile Co.) CAWOOD, Richard L. (M) East Liverpool, Ohio (Patterson Foundry & Machine Co.) CAYFORD, James M. (E l) , 1317 Ridge Ave., Steubenville, Ohio (Toronto Paperboard Co.) CECIL, Paul S. (E) Seaporcel Metals, Inc. 28--20 Borden Ave. Long Island City 1,.N. Y. . CENTRAL GLASS & CERAMIC RES. INSTITUTE (Atma Ram) P. O. Jadavpur College Calcutta 32, India CENTRAL SILICA CO. (E. C. Sawyer) 806 Market St., Zanesville, Ohio CERAMIC ASSOCIATION OF JAPAN (Yogyo Kyokwai) . 7, Shiba-Nishikubo-Sakuragawacho Minato-ku, Tokyo, Japan CERAMIC COLOR & ~ CHEMICAL MFG. CO. (W. F. Wenning) . Box 297,' New Brighton, Pa. CERMAK, Frank (W F) 1542 Union St., Schenectady 8, N. Y. CERNY, Joseph J. (E) 5226-28 W . 26th St. Chicago 50 (Cicero) 111. (Resistors, Inc.) CF.RULLI, Nicholas F. 73 Forest Ave,, Caldwell, N. J. CHADEYRON, A. A. G. Cleveland Magnesite & Refractory Co. Ltd. Normanby Brickworks, Normanby . Middlesbrough, York, England i-'J CHLM, C. Wenkata (J) Sodepore --G lass Works, Ltd. Bhadaninagar T.P.. 130 Hazaribagh District, Bihar, India CHAMBERLAIN, James M. W . (S) Box 350, Akron 9, Ohio (U . S. Stoneware Co.) CHAMBERLAIN, Richard S. (R) 2671 S. Clement Ave., Milwaukee, Wise. (H arrop Ceramic Service Co.) CHAMBERS, Gordon H. (M) Foote Mineral Co., 18 W. Chelten Ave. Philadelphia 44, Pa. CHAMBERS, J. Fred (M) National Gypsum Co., Luckey, Ohio C HA M PIO N SPA RK PLUG CO., CERAMIC D IV. (James S. Owens) 8525 Butler Ave., Detroit 11, Mich. CHANDLER. Keith B. (W) 3160 W . 106th St., Cleveland 11, Ohio (Cleveland Ceramic Corp.) CHANTLER, L. W. (R) Standard Lime & Stone Co. Millville, W . Va. CHAPMAN, Frank E,, Jr. (E l) 5905 Hamilton Ave., Baltimore 6, Md. (Pemco Corp.) CHARBONNIER, William P . (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. CHARLAND, Tel L. (RI) A ir Force Project, Box 722 Alfred, N. Y. - ' CHARLTON, Alex E. (W) Photoceramics, Inc. 1822 Western Ave., Cincinnati 14, Ohio CHARMAN, W alter M.. Jr. (R) Ferro Engineering Co. 1208 Hanna Bldg., Cleveland 15, Ohio CHARVAT. Fedia R. Mass. Inst, of Technology 409 Graduate House ' Cambridge 39. Mass. CHASE, Dana (EF) Dana Chase Publications Elmhurst National Bank Bldg. York St. at P ark Ave., Elmhurst, 111. CHASE. Harry K. (R) 4040 Lakeshore Ave., Oakland, Calif. (W estern Refractories Co.) CHATTANOOGA GLASS CO. (Joe G. Venable) Chattanooga 10, Tenn. CHAUMEIL, Frederic Verreries de Bagneaux et Appert Ferres Bagneaux s/Loing Seine et Marne, France CHESLER, Isidor (M) 710 E. 14th St., New York 9, N. Y. (Eagle Pencil Co.) CHESTER, A. E. (E) Promat Division, Poor & Co. 851 S. Market St., Waukegan, 111. CHESTERS, John H. (F) United Steel Co., Ltd. Research & Development Dept. "Swinden House," Moorgate Rotherham, York, England CHICAGO HARDWARE FOUNDRY CO. (John J. Geraghty) North Chicago, 111. CHICAGO POTTERY CO. (J. S. Clifford) 1920 Clyboum Ave. Chicago 14, 111. . CHICAGO VITREOUS CORP. (William Hogenson) 1425 S. 55th Court Cicero 50, 111. CHILCOTE, Joseph H. (R) 1907 16th St., N., Arlington 1, Va. (Bureau of Ships, Navy Dept.) CHILD, James L., Jr. (S) Hancock Brick & Tile Co., Box 59 Findlay. Ohio ' CHILDS, Clayton G. (B) 2257 N. York St., Owensboro, Ky. (General Electric Co.) CHILDS, Edwin E.. Jr. (EJ) 602 Bowers Ave., Apt. A Baltimore 7, Md. (Pemco Corp.) .. R oster 9 - *. Bell Minerals Co., West Paris, Me. rtllNG , Tung Rey 93 Chatham Rd., Kowloon, Hong Kong UjjOCHETTI, Vincent (G) . 32 Oak Square, South Attleboro, Mass. (Owens-Coming Fiberglas Corp.) CHISHOLM, BOYD & W H IT E CO. (Robert A. Ebersole) 610 W. 57th St. Chicago 21, 111. CHIU, Hung-Wen (G) 204 Hudson Ave., Newark, Ohio (Holophane Co., Inc.) CHORMANN, O. I. (G) 195.Gregory Hill Rd., Rochester, N. Y. (Pfaudler Co.) CH0THIA, Boman S. Wadia Bldg., 137 Queen's Rd. Bombay, India CHRISTENSEN, Carl J. (R) University of-Utah Salt Lake City, Utah CHRISTENSEN, Chr. Den Kongelige Porcelainsfabrik & Fajancefabriken Aluminia A /S Smallegade 45, Copenhagen F., Denmark CHRISTIE, Leonard D., Jr. (R) 343 Sound Beach Ave. Old Greenwich, Conn. (Babcock & Wilcox Co.) CHRISTMAN, Brian B. (W ) 2S Eggert Ave., Metuchen, N. J. (Richmond Radiator Co.) CHRISTMAN, C. E. (E ) __ Federal Enameling & Stamping Co. Pittsburgh, Pa. CHRISTMAN, H: M. (R I) 1023 Roosevelt, N. E., Massillon, Ohio (Massillon Refractories Co.) CHRISTOPHER, A. B. (S) Chambers Bros. Co., 52 & Media Philadelphia 6, Pa. CHU, Gordon P. K. Research Laboratory, Pfaudler Co. 1000 West Ave., Rochester 3, N. Y. CHUN, Lee 230 Prince Edward Rd. Kowloon, Hong Kong CIA. MEXICANA D E REFRACTARIOS A. P. GREEN,. S. A. (H . Fetter) Hamburgo 51, Apartado Postal 71 Bis Mexico, D. F. CIOHOWSKI, V. J. (E) Fusite Corp., 6028 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. (S F I) . 212 Rector St., Perth Amboy, N. J. CLARK, Alec W. . Beatson, Clark & Co., Ltd. Rotherham, York, England CLARK, C. Burton (R) 113 DeArment Parkway Pittsburgh 28, Pa. .(Harbison-Walker Refractories Co.) CLARK, Horace N. (R) Refractory & Insulation Corp. 120 Wall St., New York 5, N. Y. CLARK, James L. (S) 5' Stuart St., Denver, Colo. (Robinson Brick & Tile Co.) CLARK, John D. (X I) 656 Lindley Rd., Glenside, Pa. (Foote Mineral Co.) CLARK, John R,, Jr. (S) Washington Brick Co., Muirkirk, Md. CLARK, John T. (W ) Eagle-Picher Co., American Bldg. Cincinnati 1, Ohio CLARK, Keith R. (W ) ' Solar Mfg. Corp. E. 46th St. & Seville Ave. Los Angeles 58, Calif. (CLARK, Richard E. (M I) Sparta Ceramic Co. East Sparta, Ohio Vol. 33, No. 10 (1954) 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. CLAUS, Karl M. (W ) Mosaic Tile Co., Pershing Rd. Zanesville, Ohio CLAYCRAFT CO. (Phillip W. Tefft) Box 866, Columbus 16, Ohio CLAYPOOLE, Stewart A. (G) R.R. 2, Painted Post, N. Y. (Coming Glass Works) CLEMENS, August, Jr. (M) 205 E. Gittings Ave., Baltimore 12, Md. (Arcrods Corp.) CLEMENS, Eugene C. (S I) Cannelton Sewer Pipe Co. Cannelton, Ind. CLEVELAND MUSEUM OF ART (William M. Milliken) Cleveland 6, Ohio CLEVELAND, Theodore K. (G) Sixth & Grayson Sts. Berkeley 10, Calif. (Philadelphia Quartz Co. of Calif.) CLEVENGER, Thomas R. 7 Bartlett St. New Brunswick, N. J. CLEVERLY, Robert B. (S I) American Vitrified Products Co. Box 364, Sta. A., East Liverpool, Ohio CLEWS, Francis H. British Ceramic Research Assn. Queens Rd., Penldmll Stoke-on-Trent, England CLICK, Roy, Jr. University of Alabama, Box 791 University, Ala. CLIFFORD, J. S. (W ) Chicago Pottery Co. 1920 Clyboum Ave., Chicago 14, 111. CLIFT, Robert E,, Jr. (X) Cove Rd., Stonington, Conn. CLINE, I. R. (S) Western Bride Co., Danville, 111. CLINE, Robert W. (W I) 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 C L IP P E R DIAM OND T O O L CO., INC. (Joseph Klipper) 21 W. 46th St. New York 36, N. Y. CLOSE, Paul (G) Owens-Illinois Glass Co. Box 1035--6, Toledo, Ohio CLOUGH, Philip J. (R) National Research Corp. 70 Memorial Dr., Cambridge 42, Mass. COATES, Bill (SF) Coates Co., Box 935, Austin, Texas COBLE, Robert L. Massachusetts Institute of Technology Room 2-067, Cambridge, Mass. COEN, Bernard (W ) Woodbridge Sanitary Pottery Corp. 500 Green St., Woodbridge, N. J. COFFEEN, William W. (E FI) 1024 Boulevard, Westfield,- N. J. (Metal & Thermit Corp.) COFFER, L. Wallace (R) Extractive Metallurgy Division Battelle Memorial Institute 505 King Ave., Columbus l .O hio COFFIN, Leon B. (W ) Andover, N. Y. (Alfred University) COGEN, Saul (S) Davidson Brick Co., 4701 Floral Dr. Los Angeles 22, Calif. COHEN, Aaron (S) Box 405, Willamina, Ore. Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. 7 COHEN, Arthur E. (G) ' Sylvania Electric Products, Inc. Cottage Place, Minela, N. Y. COHEN, Bernard (G) 204 Fall St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) COHEN, Joseph (M J) Ferro Corp., Allied Engineering Div. 4150 E. 56th St., Cleveland, Ohio COIN, R. H. (E) . Ingram-Richardson, Inc. Frankfort, Ind. COLCORD, John E. (RJ) 3425 Ethyl St., Clay Twp. ' South Bend, Ind. (Bendix Products Div.) COLE, G. Percy (G) Dominion Glass Co., Ltd. Box 190, Montreal, Que., Canada COLE, Sandford S. (B FI) Titanium Division, National Lead Co. Research Dept., Box 58 South Amboy, N. J. COLE, Sandford S., Jr. (R JI) Power Tube Div., Raytheon Mfg. Co. Waltham 54, Mass. COLEMAN, Caruthers A. (S) 113 Cheapside, Lexington, Ky. (Big Run Coal & Clay Co.) 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.), COLLIER, Roger E. 770 Techwood Dr., N. W., Atlanta, Ga. COLLINS, G. F. (G) Pittsburgh Plate Glass Co., Box 750 H enrietta, Okla. ` COLLINS, Paul F. (W I) Microcast Div., Austenal Labs., Inc. 7001 S. Chicago Ave., Chicago 37, 111. COLLINS, Robert (G) 89 Union St., East Rutherford, N. J. (Westinghouse Electric Corp.) COLLINS, William G. (M I) 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. COLUCCI, George M. (W ) 2459 S. Senec Ave., Alliance, Ohio (Royal China Co.) COLUMBIA FIR E BRICK CO. (M. L. Hamaker) First National Bank Bldg. Canton 2, Ohio COLUMBIA-SOUTHERN CHEMICAL CORP. (R. W. Miller) One Gateway Center, Pittsburgh 22, Pa. COMEFORO, J. E. (B) 70 Roberts Dr., Bedford, Mass. (Sylvania Electric Products, Inc.) COMMERCIAL DECAL, INC. (Alfred Duhrssen) East Liverpool, Ohio COMMERCIALORES, INC. (Albert R. Eckel) Clover, S. C. COMMONS, Charles H ,, Jr. (W FI) Foote Mineral Co., Berwyn, Pa. COMPAGNUCCI, Julius P. (W ) Bay Ridge Specialty Co., Inc. Trenton 6, N. J. COMPANHIA PAULI STA DE MINERACAO (Eduardo C. Simonsen) Rua Boa Vista 84-7 Andar Sao Paulo, Brazil R oster 11 nN'ARD, John - (^) C'J' jigwthorne Lane, Mansfield, Ohio /Richland Shale Brick Co.) wy'iDON, Edwarij U. (G) CU` $ Crestwood Rd., Corning, N. Y. (Corning Glass Works) _n'CE, Carroll (G) Lu ` IJS7 Virginia Ave., Columbus 12, Ohio <E. I .d u Pont de Nemours & Co.) 1,' Willi' M. (G) ` 03i2 Indiana Ave., Kansas City 30, Mo. (Consultant) rnNNELL, George A. (B) pacific Coast Borax Co., Box 9128 Station S', Los Angeles 5, Calif. CONNELLY, Daniel S. (R) L 2801-.N. Park Blvd. Cleveland Heights 18, Ohio (Tocco Div., Ohio Crankshaft Co.) CONOVER, Ray C. (RI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, C alif.' CONRAD, Charles E:, Jr. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. CONRAD, Keith (G) - Owens-Illinois Glass Co. 1700 N. Westwood, Toledo 6, Ohio CONROE, Barden A. (GJ) 93 Gorton St., Corning, N. Y. . (Coming Glass Works) CONSOLIDATED GLASS WORKS, LTD. (I. Donen) Box S62 ' Germiston, Transvaal, South Africa CONSUMERS GLASS CO., LTD. (John N. Jordan) Box 4S6, Station B Montreal, Que., Canada CONTARDI, William A. (W I) 206 Highland Ave., Metuchen, N. J. (Automatic Mfg. Co.) COOK, Eugene M. (G) S09 Broadlawn Terrace, Vineland, N. J. (Kimble Glass Co.) COOK, Herman L. (E F) , 1555 Beardsley Ave., Muskegon, Mich. \Norge Div., Borg-Wamer Corp.) V. k , Leslie J . (M) . 1621 Reliez Valley Rd. Lafayette, Calif. (Leslie Cook Laboratories) COOK MANUFACTURING CO. (Edgar H. Freeman) Box 157 Walnut, Calif. ' COOK, Ralph L. (E FI) 204 Ceramics Bldg. University of Illinois, Urbana, 111. COOKE, Charles C. (G) 2858 S. 109th St., Toledo 11, Ohio (Owens-Illinois Glass Co.) COOKE, David C. (W I) 25 Chestnut St., Haddonfield, N. J. (Uhiversal-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 Glass Co. Bridgeton Plant No. 14, Bridgeton, N. J. COOPER, Alfred R. (G) 232 Dauntless. Lane, Hartford, Conn. (Hartford Empire Co.) COOPER, George I. (W) 401-Mackley Apts., Philadelphia 24, Pa. (Signal Corps Supply Agency) COOPER, W alter W. (M) How Chemical Co. Inorganic Chemicals Sales Midland, Mich. PER, William G. (W) 19316 Stockton Ave. Maple Heights, Ohio (Ferro Corp.) COOKS PORCELAIN CO. (H. W. Ryland) 600 Ninth St. Golden, Colo. COPE, William E. (M ) Barclay Machine, Inc. Box 146, Sebring, Ohio COPPING, J. W. (W ) Switchgear & Industry Control Dept. Canadian General Electric Co., Ltd. P arr St., Peterborough, Ont., Canada CORBAN, Wilbur H. (W ) 3198 Dresden Rd., Zanesville, Ohio (Ceramic Supply Co.) CORBETT, Keith T. 26341 Park Lawn Dr., Euclid 17, Ohio CORBMAN, Morriss (S) New Jersey Shale Brick & Tile Corp. Box 249, Somerville, N. J. CORDES, John E. (W I) 5333 Humboldt Ave., S. Minneapolis 19, Minn. ' (Lithium Corp. of America, Inc.) CORHART R EFR A C TO R IES CO., INC. (Frederick S. Thompson) . 1600 W. Lee St., Louisville 10, Ky. CORNING GLASS WORKS (J. T. Littleton) Corning, N. Y. CORNISH, Frank L. (G) Coming Glass Works, Charleroi, Pa. 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. (R ) Applied Physics Laboratory University of Washington 1013 E. 40th St., Seattle 5, Wash. COSOLITO, Bartolo G. Box BB, Alfred, N. Y. COUCH, Albert H. (R FI) ' Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio COUGHANOUR, L. W. (B) ' 5515 Oakmont Ave., Bethesda 14, Md. (National Bureau of Standards) 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. (E J) 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. (G) B. F. Drakenfeld & Co. 45-47 Park PI., New York 7, N. Y. COVAN, H. E. (S) 464 Canyon Dr., N., Columbus, Ohio (Orton Ceramic Foundation) COWAN, J. G. "Roselands," Billington Haughton, Staff, England (Universal Grinding Wheel Co.) COWAN, R. Guy (D F) 416 Brooklea Dr.. Fayetteville, N. Y. (Onondaga Pottery Co.) COWAN, Robert E. . 204 Ceramics Bldg. Universitv of Illinois, Urbana, 111. 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. COWLING, Kenneth W. 79 Norwood Rd. Sheffield 5, England (Thos. Marshall & Co., Ltd.) COX, Edwin H. (W ) 20111 Wickfield Ave. Cleveland 22, Ohio (Ferro Corp.) VL- 33, N o. 10 (1954) CUA, Jomi n . (ivy The Horse Head Inn, Palmerton, Pa. (New Jersey Zinc Co.) COX, Paul E. (.SF) 520 N. Tenth St., Baton Rouge 8, La. (Louisiana Geological Survey) COX, Samuel F. (G) Pittsburgh Plate Glass Co. Creighton, Pa. COX, Shaun M. J. A. Jobling & Co., Ltd. Wear Glass Works Sunderland, Durham, England COY, John Joel (E) 1689 Victoria Park Ave., Wexford P. O. Toronto, Ont., Canada (Frigidaire Products of Canada Ltd.) CRAFT,.R. S. (R) Findlay Clay Products Co. Washington, Pa. CRAIG, Bruce G. (E) 4520 N. 148th, Milwaukee, Wise. (A. O. Smith Corp.) CRAIG, David M., Jr. (G) Pittsburgh Plate Glass Co. 420 Fort Duquesne Blvd. Pittsburgh 22, Pa. CRAIG, James W. (R) Canadian Refractories, Ltd. 1050 Canada Cement Bldg. Montreal 2, Que., Canada CRAIG, John D., Jr. (M) Pennsylvania Pulverizing Co. 2 Gateway Center, Pittsburgh 22, Pa. CRAIN, Harold H., Jr. Port Matilda, Pa. CRAMER, W. E. (W FI) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8. Ohio CRANDALL, Eugene R. (RI) 258 Gulf St., Milford, Conn. (Mullite Refractories Co.) CRANDALL, James R. (E l) 4514 Chestnut St., Bethesda 14, Md. (National Bureau of Standards) CRANDALL, William B. (RI) Box 707, Alfred, N. Y. (O.N.R. Research Project) CRANDON, A. S. (G) American Window Glass Co. 9 W. Park Way, Pittsburgh 12, Pa. CRANE CO. (W. M. Hamilton) Chattanooga Div., Chattanooga, Tenn. CRAWFORD, George E. (W FI) 221 Sumner Ave., New Castle, Pa. (Universal-Rundle Corp.) CRAWFORD, George S. (M) Research Council of Alberta University of Alberta Edmonton, Alta., Canada CRAWFORD, J. C,, Jr. (R) Johns-Manville Sales Corp. 22 E. 40th St., New York 16, N. Y. CRAWFORD, J. L. (RFI) 740 Brittany Lane University City 24, Mo. CREED, Michael B. (R) 63 Marvel Rd., New Haven, Conn. (Mullite Refractories Co.) CRESON, Walter F. (R) Babcock & Wilcox Co. 1220 National City Bank Bldg. Cleveland 14, Ohio CRESS, William C. (R I) Carolina Ceramics, Inc. R.R. 3, Columbia, S. C. CRESSY, Morton (G) Hartford-Empire Co. 333 Homestead Ave., Hartford 2, Conn. CRIDER, Paul H. (E) Butler Dr., Turtle Creek, Pa. (U. S. Steel Corp.) S. A. CRISTALERIAS D EL URUGUAY (Francisco J. Gercar) Comercio 1491 Montevideo, Uruguay CROCKETT, William E. (X) 1215 N. Arlington Ave. Indianapolis, Ind. (Sales Engineer) R oster 13 .,,ONIN CHINA CO. . Minerva. Ohi . z-ONIN, Leo' J- (R ) . 56 MacArthur Rd., Natick, Mass. (Raytheon Mfg. Co.) rsONINGER, George J. (M) t. J. Wahl, Inc., Brocton, N. Y. K, A rthur H. (M ) " Rosiclare Lead & Fluorspar Mining Co. Box 49, Rosiclare, 111. cRONN, Eduard ' u Steingutfabrik Schwarzwald, G.M.B.H. Hornberg (Schwarzwaldbahn), Germany rjtOOK, Charles Edmund (M) Los Angeles Chemical Co. I960 Santa Fe Ave. Los Angeles 21, Calif. trOOKSTON, James A. (R I) 28 Alton Dr., Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) cROOKSVILLE C H IN A CO. - (Harry J. Bennett)-Crooksville, Ohio rROOM, Henry C. 1112 S. Tarboro St., Wilson, N. C. CROOM, Milton M. (X ) 201V* Groveland'Ave., Raleigh, N. C. (N. C. Dept, of Conservation & Development) CrOSBY, Donald P. (R I) : Harbison-Walker Refractories Co. Fulton, Mo. CROSKEY, Carl D. (W ) . 2061 Morrow Ave., Schenectady 9, N. Y. (Locke Dept., General Electric Co.) CROSS, A.. H. B. ' Brown-Firth Research Lab. Princess St., Sheffield 4, York, England CROSSAN, W. A. (S) Metropoliten Brick, Inc. 1017'Renkert Bldg., Canton 2, Ohio , CROSSLEY M A CHIN E CO. (William J. H arris) Trenton 9, N. J. CROWE, Samuel H., Jr. (G) 416 Mississippi Ave., Crystal City, Mo. ^/Pittsburgh Plate Glass Co.) /WLEY, Henry.L. (B) 1 Central Ave., West Orange, N. J. (Henry L. Crowley & Co., Inc.) CROWLEY, Michael S. (R JI) 244 Allegheny, Park Forest, 111. (Standard Oil Co.--Indiana) CROZIER, George W. Box 827, Alfred, N. Y. CRUIKSHANK, C. L. (M) _ Great Lakes ^Foundry Sand Co. 720 United Artists Bldg. Detroit 26. Mich. CULBERTSON, J. H . (W ) . National Ceramic Co. 500 Southard St., Trenton 2, N. J. CUMMINS, Arthur B. (B) Morning Glory Rd., Bound Brook, N. J. (Johns-Manville Co.) CUMMINS, Robert K. (G) General Electric Co., 1133 E. 152nd St. Cleveland 10, Ohio CUNLIFFE, J . A. (W ) 266 Seventh St. Medicine Hat, Alta., Canada (Medicine H at Brick & Tile Co., Ltd.) CUNNINGHAM,. J. H,, Jr. (S) Cunningham Brick Co., Thomasville, N. C. CUNNINGHAM, Robert J. (G) 56 W . Channel St., Newark, Ohio (Owens-Coming Fiberglas Corp.) CURCIO. Anthony L. (W I) 21 Church St., Bound Brook, N. J. (Automatic Mfg. Corp.) CURRAN, EDW ARD ENGINEERING, LTD. (D. Ryan) -Cardiff, Wales , IRAN, Martin T. Box 562, Alfred, N. Y. CURRAN, Robert (R I) 75-08 35th Ave. Jackson Heights 72, N. Y. (Plibrico Co.) V . 33, No. 10 (1954) CURRY, William J., Jr. (R) Hiram Swank's Sons, Box 630 Johnstown, Pa. CURTIS, Carl E. (R I) 404 W. Vanderbilt Dr. Oak Ridge, Tenn. (Carbide & Carbon Chemical Corp.) CURTIS, William H., Jr. 59 Crosby St., Hornell, N. Y. CURTS, R. M. (G) American Potash & Chemical Corp. 122 E. 42nd St., New York 17, 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 1, Utah CZARNECKI, Kamil B. 75 Queen's Gate London, S. W . 7, England (Aglite, Ltd.) CZECHOSLOVAK CERAMIC AND GLASS SOCIETY (R. Barte) Technicka ul.c.5 Praha XIX, Czechoslovakia . D D'ADRIAN, Vincent L. D. (G) 7823 Kenridge Lane Shrewsbury 19, Mo. (Mississippi Valley Research Lab.) DAGER, Probert W. (M FI) 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. 105 Glen Dr., Yardley, Pa. DALTON, Robert H. (G) 234 Delevan Ave., Corning, N. Y. (Corning Glass Works) DALY, Howard J., Jr. (I) Norton Co., New Bond St. Worcester 6, Mass. DAMERELL, Marguerite (W) Exton, Pa. , (Damerell Mfg. Co.) DAMMANN, Richard W. (S) 19 Parkway Lane, Bradford, Pa. (Hanley Co.) DANIELSON, R. R. (EFI) Metal & Thermit Corp., Carteret, N. J. DANK, Milton (G) Owens-Illinois Glass Co. ' 1700 N. Westwood Ave., Toledo 7, Ohio DANKS, William H . (G) 216 Mississippi Ave., Crystal City, Mo. (Pittsburgh Plate Glass Co.) DARBY, George M. (M) 61 Washington Ave., Westport, Conn. (D orr Co.) DARLING, D. G. (S) Toronto Brick Co., Ltd. 425 Bayview Ave. Toronto 17, Ont., Canada DARRAH, W. A. (G) 901 N. Oak Park Blvd., Oak Park, 111. (Continental Industrial Engineers, Inc.) DAS GUPTA, A. K. (W) Solar Mfg. Corp. 46th St. & Seville Ave. Los Angeles 58, Calif. DAUMKE, Arthur H. (E) 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. DAVEY, Earl R. (W) Canadian Ohio Brass Co., Ltd. Niagara Falls, Ont., Canada DAVEY, Frederick K. (B) 20 Seminary Ave., Lutherville; Md. (Friez Instrument Div., Bendix Aviation Corp.) DAVIES, Chester A. (W I) 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 Fifth Ave. Pittsburgh 13, Pa. DAVIS, Earl K. (G) Bausch & Lomb Optical Co. Rochester, N. Y. DAVIS, Dee Charles (E ) Barrows Porcelain Enamel Co. Langdon Rd. & Penn R. R. Cincinnati 13, Ohio DAVIS FIR E BRICK CO. Oak Hill, Ohio DAVIS, Harry E. (W FI) Universal Potteries, Inc. Cambridge, Ohio DAVIS, H . M. (E ) Pennsylvania State University Mineral Industries Bldg. State College, Pa. DAVIS, James K. (G) 211 Walnut St., Elmira, N. Y. (Coming 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. Rm. 796, Arcade Bldg. 812 Olive St., St. Louis 1, Mo. DAY, Frank, Jr. (G) Corning Glass Works, Coming, N. Y. DAY, Jack F. (W I) 835 Forest Ave., Zanesville, Ohio . DAY, Ralph K. (G FI) _ Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio DAY, Robert B. (S I) 516 S. W alnut St., Brazil, Ind. (Arketex Ceramic Corp.) DEADWYLER, Earnest W. (I) 61 Winthrop Rd., Columbus 14, Ohio DEAR, Paul S. (B F I) ` Virginia Polytechnic Institute Box 205, Blacksburg. Va. DE BECK. Hubert O. (M) Box 264, Johnson City, Tenn. (Consulting Engineer) DEBENHAM, W. S. (E l) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. DECKER, Alfred R. (M) 811 N. Seventh St. Cambridge, Ohio . DECKER, Edward L. (E) 825 Exeter Hall Ave. Baltimore 18, Md. (Pemco Corp.) DE COURSEY, Donald T. 688 Florida Ave., Pittsburgh 28, Pa. DEETH, H. R. (M) American Nepheline Ltd. Lakefield, Ont., Canada de FELICE, Ralph (D) 28 Shore Cliff PI. Great Neck, Long Island, N. Y. (Abels, Wasserberg & Co.) DEIGNAN, Charles J. (S I) 120 N. Everett Ave., Columbus, Ohio (Claycraft Co.) R oster 15 ,,tJVHOY, David L. (R ) ' , ^*610 Bollier Ave., Niagara Falls, N. Y. (Harper Electric Furnace Corp.) I lEEUW, Peter * Central Post Office Box 323 ; Tokyo, Japan , ' (Carborundum Co.) ,,ELGADO, Cyril B. (G). v The Glass Industry 55 W. 42nd St., New York 36, N. Y. n-LONG, Hermon W., II I (G) 0 Main St., Dansville, N. Y. - (Eastman Kodak Co.) ,,EMAISON, R. J. (R ) ' v Quigley Co., Inc., 527 Fifth Ave. New York 17, N. Y. .^jiARIA, Vincent C. (G) - 1 4 6 8 Wms. Bridge Rd., Bronx 61, N. Y. " (Sylvania Electric Products, Inc.) pEMlNG, Wilbur S., Jr. (M ) i C. Tennant, Sons & Co. of New York l 100 Park Ave., New York 17, N. Y. pEMONGEOT, Henri (D ) < Interkiln Overseas Corp. Box T348, Grand Central New York 17, N. Y. pEMUTH GLASS W O RK S, INC. . . (Willard B. Midgettc) Box 629 Parkersburg, W. Va. pENEEN, W. F. (M) . North Carolina Feldspar Corp. - Erwin, Tenn. PENERO, John V. (R J) i.. 215 Prospect St., Apt. 3 ; Alliance, Ohio (Babcock & Wilcox Research Center) pENISON E N G IN EER IN G CO., T H E (W. C. Denison) 1160 Dublin Rd. Columbus 16, Ohio - PENISON, George W. (SF) Ohio Clay Co., Box 1776 . Cleveland 5, Ohio pENISON, 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 DEN K ON GELIGE PO RC ELA IN S- r FABRIK & FAJANCEFABRIKEN ;r ALUMINIA A /S : . (Chr. Christensen) Smallegade 45 ' Copenhagen F., Denmark DENMAN, Cedric E. (S ) ; -Great Bend Brick & Tile Co., Inc. " Box 53, Great Bend, Kans. dePROSSE, Victor A. (E l) 17476 Shaw Ave., Lakewood 7, Ohio (Ferro Corp.) DeREMER, John W. (R I) 501 Arizona Dr., New Kensington, Pa. (American Window Glass Co.) DERGE, Gerhard (X) ' Carnegie Institute of Technology Pittsburgh 13, Pa. DERINGER, W. A. (E l) A. O. Smith Corp. 3533 N. 27th St., Milwaukee 1, Wise. &ROUX, Juan Ramon (J I) _ Box 1486, Panama, Rep. of Panama : (Clay Products Co., Inc.) DESAIX, Herbert A. (R I) 122 Jefferson Park Dr. Huntington, W. Va. ' (Barboursville Clay Mfg. Co.) DESENNE, Claude M. (S J) . , 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. Knauf) Poppelsdorferallee 15 Bonn, Germany . DEUTSCHER, Jerome S. (SI) 415 West Buist, Phoenix, Ariz. (Phoenix Brick Yard) de VASCONCELLOS, Antonio Ceramics Martina S/A Rua Luiz Martini, s/n Mogi Guacu DeVILBISS CO. (E. F. Frey) Sao Paulo, Brazil Toledo 1, Ohio DeVOE, Charles F. (G) 38 W . Fourth. St., Coming, N. Y. (Corning Glass Works) DEVOL, Lee (G) 2524 Shroyer Rd., Dayton 9, Ohio (W right Air" Development Center) DEWEY, B. F, (W ) 42 Summit St., LeRoy, N. Y. (Lapp Insulator Co.) DEXHEIM ER, E. C. (E) 917 Country Club Drive St. Louis 21, Mo. DIAM OND ALKALI CO. (L. T. Welshans) Painesville, Ohio DIAMOND, Grant S. (RFI) Electro Refractories & Abrasives Corp. 344 Delaware Ave., Buffalo 2, N. Y. DICK, Clarence H . (G) 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) Cuthbert & Park Ave. Collingswood, N. J. (Diener Brick Co.) DIETERT, Harry W. (R) 9330 Roselawn Ave., Detroit 4, Mich. (H arry W . Dietert Co.) DIETRICH, Waldemar F. (R) 3137 N Street, N. W. Washington 7, D. C. (U. S. Bureau of Mines) DIETTERLE, Edwin W. (W I) 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) Merry Bros. Brick & Tile Co. Augusta, Ga. DILLENDER, Richard D., Jr. 105 Munro St., R. R. 3 ' Hixson, Tenn. DILLIARD, Paul D. (B) 1313 E. Wheeling St., Lancaster, Ohio (Anchor Hocking Glass Corp.) DILLINGHAM, Robert P. (W ) 2207 Cheyenne St., Golden, Colo. (Coors Porcelain Co.) . DILLON, C. L. (G) Latchford Marble Glass Co. Box 71707, Los Angeles 1, Calif. DILLON, Zale (W ) 70 Pinckney Rd., Red Bank, N. J. (Atlantic Tile Mfg. Co.) V . 33* N o. 10 (1954) DIMMICK, Henry M. (G) 249 S. Main St., Butler, Pa. (Dimmick Associates) ' DINGLEDINE, H. F. (S) National Sewer Pipe Ltd. 330 Wentworth St., N. Hamilton, Ont., Canada DINGLER, Edward L., Jr. (R) Box 363, Birmingham, Mich. (Carborundum Co.) DINGWALL, Andrew (G) 325 Spring St., New York 13, N. Y. (Consulting Scientist) DINGW ALL, Andrew G. F. (GJ) 588 Grove St., Upper Montclair, N. J. . ( R C A Victor) DIPPELL, L. V. (R) 17 Second Ave., Tiffin 9, Ohio (Sterling Abrasives Div., Cleveland Quarries Co.) DIRATS, Elwyn (B) 190 Western Circle, Westfield, Mass. (J. Dirats & Co., Inc.) DIRKSEN, A. J. (G) American Potash & Chemical Corp. 122 E. 42nd St., New York 17, N. Y. DISTILLATOR, Philip R. (W ) Jackson Vitrified China Co. 2 W est St., Pelham Manor 65, N. Y. DITHRIDGE, Edward H. (E) 60 Bedford S t.. Port Hope, Ont., Canada (P o rt Hope Sanitary Mfg. .Co., Ltd.) DIXON, Anna Lane (D) . 815 N. Fourth St., Burlington, Iowa DIXON, Gene (R) . . Kyanite Mining Corp., Cullen, Va. D IX O N , JO S E P H , CRU CIBLE CO. (W . R. Wyckoff) 167 Wayne St. Jersey City 3, N. J. DLUGOZIMA, W. R. (W I) R. R. 19, South V iew'Dr. East Liverpool, Ohio (Patterson Foundry & Machine Co.) DODD, Charles M. (R FI) Dept, of Ceramic Engineering Iowa State College, Ames, la. DODGE, Alfred W. (G) Hazel-Atlas Glass Co., 126 Market St. Zanesville, Ohio DODSON, W. E. (R) Fire Brick Service & Supply 900 E. 72nd St., Cleveland 3, Ohio DOLL, Charles E. (W ) Mount Clemens Pottery Co. Mount Clemens, Mich. DOLPH, James L. (E) R. R. 2, Darlington Rd. Beaver Falls, Pa. (Ingram-Richardson Mfg. Co.) DOM INION MINERALS DIV., R IV ER TO N L IM E & STON E CO., IN C. (V. V. Kelsey) Piney River, Va. DONAHEY, John W. (GI) Waynesborough Rd., Paoli, Pa. (Foote Mineral Co.) DONEN, I. Consolidated Glass W orks Ltd. Box 562, Germiston Transvaal, South Africa DONEY, Louis M. (G) R. R. 1, Powell, Tenn. (Oak Ridge National Lab.) ' DONNENWIRTH, A. L. (RI) Carborundum Co., Falconer, N. Y. DORA, Joseph C. (E l) 3246 W est 62nd PL, Chicago, 111. (Crane Co.) DORAN, Robert F. (GI) Sylvania Electric Products, Inc. Cottage PL, Mineola, N. Y. DORE, James E. (RI) 2518 W. Euclid, Spokane 13, Wash. (Kaiser Aluminum & Chemical Corp.) DORF, A rthur L. 249 S. Pugh St., State College, Pa. R oster 17 k rex Jeep. acity tand * not shed utchU18" cal Juq. iutocting eady Qterress. m at ction n use in onto, Sfoca one*, CWay CMI# 'la# and of brick tat. I tin ARN, Alvah J. (G) . ' 141 Wall St., oming, N. Y. ' (Corning Glass Works) ,,ORN, G. Neal (S i) . v JO15 Kemp Ave., Ironton, Ohio (Carlyle Tile Co.O ,,ORNBACH, W. E. (R) v 1720 Miguel Ave., Coronado 18, Calif. ,, 0 RNEY, Andrew W. (G) v 205 Bowers Dr., Horseheads, N. Y. (Corning Glass Works) pORSETT, O. A. (W) Knox Porcelain Corp., Knoxville, Tenn. pORSEY, Baird L. (R) . 300 Walnut Rd., Pittsburgh 2, Pa. (Jones & Laughlin Steel Corp.) pORSEY, John J. (W JI) , 385 Good Ave., Indianapolis 19, Ind. (P. R. Mallory & Co., Inc.) pOTY, Henry S. (R) Commercialores Inc. - 39 Cortlandt St., New York 7, N. Y. pOUGHERTY, Leon A. (W ) 370 North St., Sun Prairie, Wise. (Wisconsin Porcelain Co.) pOUGHERTY, Sylvester J. (R) Metallurgical Dept.. Weirton Steel Co., Weirton, W. Va. pOUGHERTY, W, E ..(M F) 1625 Barr Ave., Pittsburgh 5, Pa. (O. Hommel Co.) pOUGLAS, Edward A. (E l) ' 50 Margin St." > West Newton 65, Mass. (Bettinger Corp.) pOUGLAS, JO H N . CO. (A. J. Raible) Cincinnati 16, Ohio POUGLAS, R. W. Society of Glass Technology "Thornton," Hallam Gate Rd. Sheffield 10, England . DOUGLAS, Richmond Douglas Firebrick Co., Ltd. Dairy, Ayrshire, Scotland DOWLING, Robert F. (G) Bausch & Lomb Optical Co. i Glassmaking Dept., 635 St. Paul St. Rochester, N. Y. ' DOWNING, G. N. Pilkington's Tiles (S.A.) (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. CRAKE, Mary (X) Evans Case Co., 21 East St. . North Attleboro, Mass. DRAKENFELD, B. F. & CO. (Scott J. Courtney) 45--47 Park PI. New York 7, N. Y. DRAKER, H arry C. (X) 24230 Maplewood Dr., Euclid 17, Ohio (Harshaw Chemical Co.) CRAMMENS GLASSVERK (Ragnar Tanberg) Drammen, Norway DRAPER, Perry E. (W ) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio DRESSLER, Philip (M FI) . Swindell-Dressler Corp., Box 1888 Pittsburgh 30, Pa. DREYLING, Lewis J. (R) 229 Milltown Rd., Milltown, N. J. (Quigley Co., Inc.) DROUHARD, W . J. (W I) Mansfield Sanitary Pottery, Inc. ' Perrysville, Ohio . &RUCKER, Julius Farbenfabriken Bayer i Aktiengesellschaft ! Krefeld-Uerdingen, (22a) Deutschland DRUMMOND, W . W. (G) . 5504 Midmoor, Madison 4, Wise. ' (Bjorksten Research Laboratories) VOL. 33, N. 10 (1954) DuBOlS, H. B. (M F I) , Consolidated Feldspar Dept. " International Minerals & . Chemical Corp. Erwin, Tenn. DuBOIS, Harold V. (W ) . 4147 159th, Lawndale, Calif. (Vernon Kilns) ' DUBOVICK, Walter A. (R) Engineered Precision Casting Co. Box 68, Matawan, N. J. DuBOVY, Martin P. (E) 1109 E. Washington St. Frankfort, Ind. (Ingram-Richardson Co.) DUCHE, Frederic Compagnie Generale d'Electro-Ceramique 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 DUEVEL, Charles O.. Jr. (G) American Thermos Bottle Co. Norwich, Conn. D UFF, R. D. (G) 4318 Commonwealth, Toledo, Ohio (Owens-Illinois Glass Co.) DUFFY, J. P.. (S) Stillwater Clay Products Co. Lock Drawer 32, Uhrichsville, Ohio DUFOUR, Jean Leonard Ceramica Sanitaria Porcelite Rua Itatinga 291, Caixa Postal 3845 Sao Paulo, Brazil DU FRESNE, Robert S. 1950 15th N., Seattle 2, Wash. DUGAN, Robert T. Box 1844, Midland, Texas DUGAN, Stayner A. (S) Box 1844, Midland, Texas (Djigan Brothers) DUGGAN, J. J. (G) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. DUHRSSEN, Alfred (D) Commercial Decal, Inc. 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 . (R) 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. (S F ) ' 150 E. Frambes Ave., Columbus 1, Ohio (Kelley Island Lime & Transport Co.) DUNGAN, Robert (BJI) 19 O'Connor Ave., Homell, N. Y. DUNN, H. E. (R) Suite 206, 300 Mt. Lebanon Blvd. Pittsburgh 34, Pa. (Vanadium Corp. of America) DUNNICAN, Ward G. '(G) 277 E. Seventh St., Clifton, N. J. (Becton, Dickinson & Co,) DUPLIN, V. J., Jr.-(B) 300 North Ave., Fanwood, N. J. (Babcock ft Wilcox Co.) ' ' du PO N T, E. I,, de NEM OURS ft CO., IN C. (John M. Olsen) Electrochemicals Dept. Wilmington 98, Del. DURHAM, Carl T. (B) . 28 Gabi Terrace, Reading, Ohio (General Electric Co.) DURST, William A. (X) 209 Madison St.,' St." Marys, Pa. (Stackpole Carbon Co.) DUWEZ, Pol (B) California Inst, of Technology Pasadena, Calif. - DYNES, Marvin W. (G) Van Dyne Quartz Works Box '380, R. R. 1, St. Charles, 111. DYRE, Warren T. (E) 317 Estaugh Ave., Haddonfield, N. J. (Universal-Rundle Corp.) E EAGLE, J. Eugene (M FI) 3202 McShane Way, Baltimore 22, Md. (Pemco Corp.) E A G LE-PIC H ER CO. (D. R. Carter) American Bldg., Cincinnati 1, Ohio EARHART, William H. (W) RCA Victor, Engineering Dept. S. Adams St., Marion, Ind. EARL, Fred C. Box 84, Broadalbin, N. Y. EARL, J. Alfred (M) 1621 S. El Molino St., Alhambra, Calif. (L. H. Butcher Co.) EAST, Walter H. (R) 1810 Tamerlane Dr., Glendale 8, Calif. (G. S. Marshall Co.) ' EASTER, George J. (R FI) Electro Refractories & Abrasives Corp. Willett Rd., Buffalo 19, N. Y. EBERSOLE, Robert A. (R) Chisholm, Boyd ft White Co. 610 W . 57th St., Chicago 21, III. ECK, Bernard J. (RJ) 8010 S. Michigan, Chicago, 111. (United States Steel Corp.) 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. ECKLEY, J. R. (R) Aluminum Co. of America . 1501 Alcoa Bldg., Pittsburgh 19, Pa. ECONOMOS, George Massachusetts Institute of Technology 77 Massachusetts Ave. Cambridge 39, Mass. EDDY, Paul W. 2000 Shirley St., S. W-, Atlanta, Ga. EDGAR, Allen C. (W ) Edgar Plastic Kaolin Co., Edgar, Fla. EDGAR, Clement B. (R) M. H . Detrick Co., 1620 Oliver Bldg. Pittsburgh 22, Pa. EDLIN, Vernon (B) 6731 Paxton Ave., Chicago 49, 111. (Armour Research Foundation) EDWARDS, F. M. (W ) Porcelain Products, Inc., Carey, Ohio EDWARDS, J. B. (S) 2220 Shorecrest Dr., Box 13226 Dallas 20, Texas ' (Reliance Clay Products Co.) EDWARDS, Russell K. (R) Illinois Institute of Technology Technology Center, Chicago 16, III. EDWARDS, William R. (W I) 11926 S. Saginaw Rd. Grand `Blanc, Mich. (AC Spark Plug Div., General Motors Corp.) R oster 19 d 'g on. tin y Kell ieiepuone i-aos., Inc. Murray Hill, N. J. ,riU-ESTON, Myron M. <WI) & Beulah, Mich. ' (Eggleston JFruit Farm) cBlZ, Jay c . (S) (' 251 Buckingham Rd., Rocky River 16, Ohio (Cleveland Builders Supply Co.) ertLERS, G. Milton (W ) ` 4 Oak Hill Lane South Darthinouth, Mass. (Aerovox Corp.) cHJ AN, Roy G. (GI) " 00 S. Allen St., State College, Pa. (Pennsylvania State University) ejpE, Alwin C. (E ) * American Zinc Sales Co., Box 327 Columbus 16, Ohio clSEN, John B.. (R) * Box 27, Waterloo, Wise. (Bjorksten Research Labs., Inc.) JISENBERG, Marvin (R J) Armour Research Foundation Technology Center, Chicago 16, 111. ctSENBERG, Meyer (X ) * 25-32 38th St. Long Island City 3, N. Y. (Architectural. Tiling Co.) glTEL, Wilhelm (B I) Dir. of Inst, of Silicate Research University of Toledo, Toledo 6, Ohio jjCDAHL, W. Graydon (G) Johns-Manville Research Center Manville, N. J. gjCHOLM, L. G. (R I) ' 2143 Constitution Blvd. " Boston, McKeesport, Pa. (United States Steel Corp.) ELDER, J. C. (W ) Robertson Mfg. Co., Box. 848 Trenton S, N. J. ELECTRIC A U T O -LITE CO., SPARK PLUG DIV. (Robert Twells) Box 231, Fostoria, Ohio ELECTRO R EFR A CTO RIES & ABRASIVES C ORP.. . . (Grant S. Diamond) ' . 344 Delaware Ave., Buffalo 2, N. Y. ELJER CO., Enamel-Ware Div. (L. A. Bateman) Salem, Ohio ELLARD, Earle R. (R) 344 Clinton Ave., Tiffin, Ohio (Basic Refractories, Inc.) ELLEFSON, B. S. (G) Sylvania Electric Products, Inc. 208-20 Willets Point Blvd. Bayside, Long Island, N. Y. ELLIOTT, Amos (M) Covered Wagon Ranch Cloverdale, Calif. ELLIOTT, Claude Franklin R.R. 3, Box 192, Henderson, N. C. ELLIOTT, George 42 Bawtry Road, Bessacarr Doncaster, England (Brick Marketing Co., Ltd.) ellis, .Wilson h . ( m ) Lamb Glass Co., Mount Vernon, Ohio ELLISON, Henry W. (G) 169 E. Third St., Coming, N. Y. (Coming Glass Works) ELLISON, R. W. (R) 1551 E. Loma Alta Dr. Altadena, Calif. -, (Gladding, McBean & Co.) ELMER, Jack T. (B ) 14384 Lenray Lane, Los Gatos, Calif. -, ,/J^a'ser Aluminum & Chemical Corp.) ELMER, Thomas H. (B) ^19 E. High St., Painted Post, N. Y. -, (Corning Glass Works) EL0SUA, Bernardo (W ) Apartado 360, Monterrey, N-L., Mexico e, (L^drillera Monterrey, S.A.) :ELSTON, Keith (W I) Hawthorne St., Lenox, Mass. (General Electric Co.) VL- 33, No. 10 (1954) Pittsburgh Plate Glass Co. 1 Gateway Center, Pittsburgh 22, Pa. EMANUEL, E. C. (G) Armstrong Cork Co. Research & Development Center Lancaster, Pa. 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 (G) Pennsylvania State University Mineral Industries Library State College, Pa. EMMERLING, Ralph W. (W ) U. S. Quarry Tile Co. East Sparta, Ohio EMRICH, Allen H. 1799 Franklin Ave., Columbus 5, Ohio EMRICH, Emerson W. (M I) 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.) ENGEL, Rene (B) Box 148, South Pasadena, Calif. (Consulting Engineer) EXGLERT, 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 EXLOE, Scroop W. (M) Dillsboro, N. C. (Harris Clay Co.) EXLOE, Scroop W., Jr. (W) Spruce Pine, N. C. (Harris Clay Co.) ENOCH, Charles R. (R) 74-13 Drexel Brook Dr. Drexel Hill, Pa. (Refractory Specialties Co.) EPSTEIN, Edward, Jr. (W) 521 S. 15th St., Sebring, Ohio ERARD, Edward (G) Vidrio Neutro, S. A. Prolongacion Calle de la Rosa No. 9, Atzcapotzalco, D. F., Mexico ERICKSON, A. Alfred (G) 84 Pershing St., Corning, N. Y. (Coming Glass Works) ERICKSON, Allen J. (G) 4844 38th Ave., N.E., Seattle 5, Wash. (Northwestern Glass Co.) ERIE RESISTOR CORP. (Paul F. Siegrist) 644 W. 12th St., Erie, Pa. ERNST, Dolly M. (D) Box 571, R. R. 4, Loveland, Ohio ERNST, Walter S. (B) 2728 E. Fifth Ave., Knoxville. Tenn. (Volunteer Portland Cement Co ) ERRETT, David J. (M) Climax Molybdenum Co. of Pa. Langeloth, Pa. ERSLEY, Chauncey J., Jr. Box 78, Rexville, N. Y. 209 Sunset Dr., White Bon? McKeesport. Pa. _ (The Denison Engineering Co.) ERVIN, Guy. Jr. (B) Research Laboratory, Norton Co. Worcester, Mass. ERW IN, Lee R. (E) 209 S. Sunset PL, Monrovia. Calif. (Affiliated Gas Equipment. Inc.) ERZEN, Frank C. (E) 604 Holly Trail, Sierra Madre. Calif. (Kent Corp.) ESCANDOX, Manuel F. (W Institute Mexicano de Investigaciones Tecnologicas Legaria 694. Mexico 10. D. F. ESCHENBURG. Robert L.. II Floresville. Texas ESPERSEN, Karen Holmegaards Glasraerk Holme-OIstrup. Denmark ESSELSTYN, Willard A. (GV R. R. 1, Canonsburg, Pa. ' (Washington Tool and Machine Co.) ESTES, Joseph F. (W) Haeger Potteries. Inc. 7 Maiden Lane. Dundee. 111. ' ETHEREDGE. Otis K. (W ) * Box 252, Gordon, Ga. (Southern Clavs, Inc.1 EUBANK, William R. (B) R. R. 3, Box 57, River Falls. Wise. (Minnesota Mining & Mfg. Co.) EUBANKS, Alfred G. (E) 10802 Stella Court, Kensington, Md. (National Bureau of Standards) EUREKA FL IN T & SPAR CO. (Richard W. Thropp) 190 W. State St., Trenton S. X. J. EUSNER. George R. (R l . 1025 Summitt St., M cKeesport. Pa. (U. S. Steel Corp.) EVANS CASE CO. (Alfred F. Reilly. Sr.) 21 East St. North Attleboro, Mass. ' EVANS, Charles E. (M) 2401 Northglen Dr.. Columbus 11, Ohio (Titanium Alloy Mfg. Div., National Lead Co.) EVANS, Daniel Owen (G) Hillcrest & Linden Ave., Mapleview Charleroi, Pa. (Coming Glass Works) EVANS Edward J. Welsh Tin Plate & Metal Stamping Co. Llanelly, Carmarthenshire, Gr. Britain EVANS, Kenneth E. (Ml Allied Engineering Div.. Ferro Corp. 4150 E. 56th St.. Cleveland, Ohio EVANS LEAD CORP. (R. M. Evans) Box 1467. Charleston 25. W. Va. EVANS PIPE CO. (T. J. Evans. I ll) Uhrichsville, Ohio EVANS, R. M. (M) Evans Lead Corp. Box 1467, Charleston 25, W. Va. EVANS, Richard F. (W ) Iroquois China Co. 232Q Milton Ave., Syracuse 9, N. Y. EVANS, Ross M. (S) 604 E. Mechanic St., Brazil, Ind. (Arketex Ceramic Corp.) EVANS, T. J., Ill (S) Evans Pipe Co., Uhrichsville, Ohio EVANS, William G. Geo. L. Ashworth & Bros., Ltd. Broad Street Works Hanley, Stoke-on-Trent, England EVANS, William W. (R I) ..... 506 E. Iron Ave., Dover, Ohio . (Robinson Clay Product Co.) EVERHART, J. O. (S F I) Engineering Experiment Station Ohio State University Columbus 10, Ohio R oster 21 , i,tnae Air rroducts Co. /y rternaru Ave., uuom uan j i , <_>uio A .A ./V . C s O ip ., D U X O U , U d U U C il, i U d . - . E. Park D r. & Woodward Ave. (Philip Carey Mfg. Co.) FESSLER, A. H. (W FI) ' ' Tonawanda, N. Y. . FAULKNER, Karl B. (R ) Fenton, Mich. 'e\VALD; Merwin R. (G) . Corning Glass Works, Corning, N. Y. ( A C Spark Plug Div. . Toledo Engineering Co., Inc. ' FAUST, Ernest H., Jr. (R I) General Motors Corp.) _ 3001 ' Sylvania Ave., 3129 Whitney Ave.,'Mt. Carmel, Conn. FETTER, H. (R) Box' 87, Sta. H., Toledo 13, Ohio (American Refractories and Cia. Mexicans de Refractarios fWING, Robert F. (W ) . Crucible Corp.) A. P. Green, S. A., Hamburgo 51 Mansfield Sanitary Pottery FAUST, George T. (G) Apartado Postal 71 Bis, Mexico, D. F. Perrysville, Ohio 9907 Capitol View Ave, FETTERLEY, Guy H. (R) gX OLON CO. (Harvey J. Robillard) Silver Spring, Md. Box 26, Chippawa, Ont., Canada Tonawanda, N. Y. (U. S. Geological Survey) (Norton Co.) jjYERLY, George B. (R ) ' FAY, Wayne X. (R I) . FETZER, George W. (D) 3813 N. Humboldt Ave., Apt. 4 General Refractories Co. 1205 17th Ave., Columbus 11, Ohio MilWaukee, -Wise. 202 Oxford Hill Lane, Havertown, Pa. (George Fetzer Ceramic Supplies) (Allen Bradley Co.) FEAGIN, R. C. (B) FEYLING, Claus A. Austenal Laboratories, Inc. Eie Stent^ifabrik F 224 E. 39th St., New York, N. Y. ' Egersund, Norway FEDERAL GLASS CO. FIBERGLAS CANADA, LTD. FABIANIC William L. (RFI) 1831 Seminary Ave., Alton, 111. (Henry H. Blau) 515 E. Innis Ave. Columbus 7, Ohio (John MacRae) Box 309 Guelph, Ont., Canada . (Laclede-Christv Co.) FEDERAL SEABOARD TERRA FIELD, Theodore E. (B) FABRICA de LADRILLOS COTTA CORP. (O. E. Mathiasen) Corhart Refractories Co. INDUSTRIALES, y Perth Amboy, N. J. ' 1600 W. Lee St., Louisville 10, Ky. . REFRACTARIOS, S. A. FEDOCK, Michael P. (R) FIELDS, Ernest (R) (Salvador Odriozola Gomez) Apartado 390, Monterrey, N. L., Mexico . 163 Woodlavm Ave., N. W . Canton 8, Ohio 7136 Marwinette Ave. St. Louis 16, Mo. FABRICA de PORCELANA da (Republic Steel Corp.) (Laclede-Christy Co.) VISTA ALEGRE LDA. FEINBLOOM, David T. F IL IPPI, Hugo (SF) Largo do Barao de Quntela No. 3 Box 653, Alfred, N. Y. Illinois Brick Co. Lisbon, Portugal FELD, Philip 228 N. La Salle St., Room 1718 FACKLER, Ernst G. Box 1039, Alfred, N. Y. Chicago 1, 111. Apartado Aereo 6108 FELKER, Ernest (W) FILLMORE, Charles L. (W I) Bogota, Colombia 2109 Tolosa Dr., Dallas, Texas Globe-Union, Inc. (Vidrio S. A.) (Ferro Corp.) . 900 E. Keefe Ave., Milwaukee 1, Wise. FACKT, George P. (S F ) FELLOWS, R. L. (E FI) FILR EIS, Samuel (R) 408 Paseo del Mar, Box 878 748. N. Kensington Ave., La Grange, 111. 47-27 215 Place Palos Verdes Estates, Calif. (Century Vitreous Enameling Co.) Bayside, Long Island, N. Y. (Redondo Tile Co., Ltd.) FELLOWS, Roger L,, Jr. (E JI) (Seaporcel Metals, Inc.) FADANELLI, Louis H. 2219 Tabor Ave., Dayton 10, Ohio FIN DLA Y CLAY PRODUCTS CO. 1132 S. California Ave., Chicago, II!. (Frigidaire Div., (R. S. Craft) Washington, Pa. FAGEN, Barney (M) Ulini Ceramic Service, Inc. . 163-169 W. Illinois St. Chicago 10, 111. General Motors Corp.) FELS, C. G. (R I) 11 DeForest Ave, North Plainfield, N. J. FINLAY, G. R. (R) . 2231 Waters Ave. Niagara Falls, Ont., Canada (Norton Co.) FAHRENBRUCK, William O. (GI) (Fels Refractories, Inc.) FINLAYSEN, John R. R.R. 1, Box 95, Tiffin, Ohio FENSTERMACHER, John E. (RJ) School of Ceramics (Sterling Grinding Wheel Co.) 1320 Fifth Ave., Worthington, Minn. Rutgers University , ..FAILMEZGER, Howard (W FI) Victor Insulators, Inc. FENTON, Walter M. (G) Lithium Corp. of America, Inc. New Brunswick, N. J: FINNEY, Edwin L. (S) Victor, N.- Y. 2560 Rand Tower, Minneapolis 2, Minn. Qavcraft Co., Shawnee, Ohio FAIN, Charles C. FERDINAND, George (W ) FIR ESTIN E, Arthur G. (G) 789 Glendalyn Ave., Spartanburg, S. C. 7113 Fishbum Ave., Bell, Calif. 34 Dewey Ave., Fairport, N. Y. FAIRCHILD, Charles O. (B) (Air Pollution Control, Inc.) (Bausch & Lomb Optical Co.) ' Chain Bridge Rd., Fairfax, R. R. 3, Va. FERGUSON, D. Robert, II I (R ) FISCHER. Eugene A. (R) (U. S. Government) Box 368, New Cumberland, W. Va. 108 Newton Ave., N. FAIRFACTS CO. (J. Ryan Smith) (Crescent Brick Co., Inc.) Worcester 5, Mass. Fairfacts St., Trenton 8, N. J. ' FALCONER, Donald P. (R) FERGUSON, Donald Box 929, Alfred, N. Y. (Norton Co.) FISCHER, Peter R. 1018 Maple Ave., Evanston, 111. FERGUSON, Douglas J. (D ) Deisenhofener Str. 87 (Sales Engineer) Pigeon Forge Pottery Munich 9, Germany FALLON, Frank J. (W I) Pigeon Forge, Tenn. FISCHER, Robert J. (W) B. G. Corp., Ridgefield, N. J. FERGUSON, Robert F. (G) 86 Barker Ave., Eatontown, N. J. FALTER, Arthur H. (G) 8635 Jacob PI., Niagara Falls, N. Y. (Carborundum Co.) FANDERLIK, Milota Nerudova 10 Hradec Kralove, Czechoslovakia FARBER, Louis G. (D I) Ceramics Monthly, 3494 N. High St. Columbus 14, Ohio FARGO, Jarvis J. (G) 140 Centerway, Corning, N. Y. (Corning Glass Works) FARKAS, Howard (M) United States Stoneware Co. 60 E. 42nd St., New York, N. Y. FARLEY, Eldon 336 S. Fifth St., San Jose, Calif. FARR, Archie E. (E) 1765 Caleb Dr., Zanesville, Ohio (Hazel .Atlas Glass Co.) FERGUSON, Robert L. (S) Yankee Hill Brick Mfg. Co. 728 Stuart Bldg., Lincoln 8, Nebr. FERGUSON, R. W. (W) General Ceramics Corp. Keasbey, N. J. FERNANDO, Hector S. (W J) Box 96, Alfred, N. Y. - FERRAZ, Cyro B. Rua Voluntarios da Patria 2.505 Casa 15, Sao Paulo, Brazil (Ceramicas Reunidas Brazil, S. A.) FERRIS, Harry Philip (B) 20 Birch Dr., Levittown, Pa. (Simonds Abrasive Co.) FERRIS, James 'E. (G) . Niagara Alkali Co. (Signal Corps Engineering Labs.) FISH , E. Thomas (I) 806-- 16th St., Niagara Falls, N. Y. FISHEL, Waite P. (R) Box 127, Vanderbilt University Nashville 4, Tenn. FISHER, Eugene A. (W) Electric Auto-Lite Co. Spark Plug Div., Fostoria, Ohio FISH ER, Henry C. (R) Norton Co., 1 New Bond St. Worcester 6, Mass. FISHER, Joseph R. (B) Bell Telephone Labs., Rm. 1A-336 Murray Hill, N. J. FISHER, William V. (G) Anchor Hocking Glass Corp. Lancaster, Ohio ' O. Hommel Co., Box 475 60 E. 42nd St., New York 17, N. Y. FISHLEY, William S. (W) Pittsburgh 30, Pa. f a r r o w , Lewis c. (E ) R.R. 1, Clyde, Ohio (Whirlpool Corp., Clyde Porcelain FERRO CORP. (R. A. Weaver) 4150 E. 56th St., Cleveland 5, Ohio FERRO ENGINEERING CO. (Walter M. Charman, Jr.) Sparta Ceramic Co. East Sparta, Ohio . FISH-SCHURMAN CORP. (Murray Yawitz) 70 Portman Rd. . Steel Div.) 1208 Hanna Bldg., Cleveland 15, Ohio New Rochelle, N. Y. jrtSK, Henry G. (B ) ' .Natural Resources Research Inst. University of Wyoming, Laramie, Wyo. jrlTZGERALD, Alex E. (R I) General Refractories Co. ' 1520 Locust St., Philadelphia 2, Pa. plTZGERALD, J. Vincent (G) Tile Council of Am. Research Center i ' School'of Ceramics, Rutgers University New Brunswick,. N. J. piTZSIMMONS, Elmer S. (R I) . Cbem. & Abrasives Research Dept. Cincinnati Milling Machine Co. Cincinnati 9, Ohio. pjX, Frank A. (M ) Posey Iron Works, Inc. Lancaster, Pa. FLEISCHER, Arthur (R) Box 349, Easthampton, Mass. (Nickel Cadmium Battery Corp.) FLEISCHER, Eiler Holst & Fleischer - A /S Prinsens Gate 1, Oslo, Norway FLEMING, A. P . M. . Metropolitan Vickers Electrical Co., Ltd. Trafford Park,. Manchester 17, England FLEMING, Charles A. <EI> 5763 Vermillion Blvd. New Orleans 22, La.- (Industrial Enameling Div., Industrial Electric, Inc.) FLEMING, DAVID M. (B J) 322 E. Irvin Ave., State College, Pa. FLEMING, Thomas T. (R ) Frank Samuel & Co., Inc. 2200. Lincoln-Liberty Bldg. Philadelphia 7, Pa. FLETCHER ENAMEL CO. (J. Carroll Fletcher, Jr.) Dunbar, W. Va. FLETCHER, J. Carroll, Jr. (E) . Fletcher Enamel Co., Dunbar, W. Va. FLICK, Fulton B. (R) Brown, Critchlow, Flick & Peckham ' 1706 First National Bank Bldg. Pittsburgh 22, Pa. |NT, .E. P. (B ) - 'Armour Research Foundation 10 W. 35th St., Chicago 16, 111. FLINT, Francis C. (G FI) Hazel-Atlas Glass Co. 15th & Jacobs Sts., Wheeling W. Va. FLORENCE. Jack M. (G) Kimble Glass Co. Box 1035--1036, Toledo 1, Ohio. 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, Charles L. (R J) 917 Park Ave., Ackley, la. FONTANA, Eugene H. (G) Box 259, Coming, N. Y. (Coming Glass Works) FONVIELLE, Frank P., Jr. (W I) 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 . (E l) Titanium Pigment Corp. 99 Hudson St.f New-York 13, N. Y. Fo r b e s , Lewis j .-b . (G) 165 Bloor St., E. Toronto, Ont., Canada ' ''Pilkington Brothers (Canada) Ltd.) !*, Fred J. (M) .ox 537, Dallas, Texas F0RD, George D. (W I) 2136 Wilmer St., Zanesville, Ohio (Mosaic Tile Co.) J ol. 33, No. 10 (1954) V' V FORD, W. B. (W ) Smith & Stone, Ltd. Georgetown, Ont., Canada FORD, Walter D. (GI) Pittsburgh Coming Corp. Technical Dept. Port Allegany, Pa. FORDS PORCELAIN WORKS (I. A. Hansen) Perth Amboy, N. J. FORESMAN, Grover C. (G) 212 Cedar St., Corning, N. Y. (Coming Glass Works) FORJAZ, Nicolau Porto Ferreira CP E. Sao Paulo, Brazil FORKNER, Henry R. (X I) Box 482, Blacksburg, Va. (Virginia Polytechnic Inst.) FORRY, W. J. (M JI) 21 N. Shippen St., Lancaster, Pa. (Posey Iron Works Inc.) FORSE, Edwin B. (R ) Carborundum Co., Niagara Falls, N. Y. FORTER, Samuel A. (G) Forter-Teichmann Co. 1210 Clark Bldg., Pittsburgh 22, Pa. FORTH, Robert D. (E ) 1369 N. W. Circle Dr. Kankakee, 111. (Florence Stove Co.) FOSDICK, Marion L. (D F) 100 N. Main St., Alfred, N. Y. FOSTER, Charles T . (GJ) . 9102 N. Swan Circle ' ' . Brentwood 17', Mo. _ (General Refractories Co.) FOSTER-FORBES GLASS CO. (F. R. Motsch) Marion, Ind. 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. . FRAD, William A. (R ) 1800 Oak St., Rolla, Mo. (Missouri School of Mines) FRAHME, Herman H. (W I) . 114 Winston Rd., Akron 13, Ohio (U. S. Stoneware Co.) FRAME, Dudley P., Jr. (M I) 490 Colonial Ave., Worthington, 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 Caetano Caixa Postal 278, Sao Pauio, Brazil FRANCIS, Ronald K. , Box 847, Alfred, N. Y .. FRANCISCO, Allen C. (R I) 227 Beeler Dr., Berea, Ohio (Kolcast Industries) ' FRANCK, Leon Franck & Steeman, S. A. 20 Ave. Emmanuel Haren-Nord, Belgium FRANCL, Josef (B) 2549 Orkney St., Toledo 6, Ohio (Owens-Illinois Glass Co.) FRANK, H6my A. (W ) Kokomo Sanitary Pottery Corp. Kokomo, Ind. . FRANK, John (D) Frankoma Pottery, Sapulpa, Okla. FRANKLIN, Earl W. (S) 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. Electron Tube Div.) FRANKOMA POTTERY. (John Frank) Sapulpa, Okla. FRANTZ, Samuel G. (M) S. G. Frantz Co., Inc. Box 1138, Trenton, N. J. FRANTZ, S. G,, CO., INC. (Samuel G. Frantz) Box 1138 Trenton, N. J. FRANZ, Leo J. (R) Acme Brick Co., Malvern, Ark. FRASER, Lewis H. D. (B) 5532 S. Everett Ave., Chicago 37, 111. (Consulting Engineer) FRASER, Orray T. (GI) Harbor Hills, Hebron, Ohio (B. F. Drakenfeld & Co., Inc.) FRASER, Walter A. (G) Fraser Glass Co., Inc. Box 185, Crozet, Va. FRASER, W. B. (S) Fraser Brick Co., Box 144 Dallas 1, Texas FRAZIER, C. E. (GF) . Frazier-Simplex, Inc. 436 Beau St., Washington, Pa. FRAZIER, C. T. (G) 527 E. Beau St., Washington, Pa. (Frazier-Simplex, Inc.) FRAZIER, J. Earl (GFI) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. FRAZIER-SIM PLEX, INC. (C. E. Frazier) 436 E. Beau St. Washington, Pa. FRECH ETTE, Howells (Life, SF) 52 Park Ave., Ottawa, O n t, Canada FRECHETTE, Van Derek (BFI) New York State College of Ceramics Alfred, N. Y. FREDERICK, C. L. (R I) 24 Meadowood Lane, R.R. 4 Chagrin Falls, Ohio (North American Refractories Co.) FREDERICK, Gilbert M. Babcock & Wilcox Co. 1120 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. (R F I) Freeman Fire Brick Co. Box 606, Canon City, Colo. FREEMAN, Edgar H. (W ) ' . Cook Mfg. Co., Box 157, Walnut, Calif. FREEMAN, Joseph (M ) L & L Manufacturing Co. 136 Eighth St., Upland, Chester, Pa. 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.) FRENCH SAXON CHINA CO. (W. V. Oliver) Sebring, Ohio FREY, E. F. (M) DeVilbiss Co., Toledo I, Ohio FRIEDBERG, Arthur L. (X) 204 Ceramics Bldg. University of Illinois, Urbana, 111. FRIEDMAN, Louis K. (W ) Homer Laughlin China Co. 212 'Fifth Ave., New York, N. Y. R oster 25 llEDMANN, Ernesto 990 li. Park Ave., Pomona, Calif. rfllTZ, Eprl C. (W ) r 131 Fulton St., Olean, N. Y. (Hi. Q. Div., Aerovox Corp.) rftlTZ, E. H. (W FI) 710 Walnut St., Lqtrobe, Pa. ' "Stupakoff Ceramic & Mfg. Co.) 5 jERG, Laird (G) ' _/\vens-Coming Fiberglas Corp. Newark, Ohio igOME, Howell E .'(G ) ' United Fuel Gas Co., Box 1273 Charleston 25, W. Va. pjtONCZAK, E. T. (S ) . Natco Corp., Gfeentown, Ohio tgOST, Leon J. (E) Box 1-38, Lewiston, N. Y. (Titanium Alloy Mfg. Div. National Lead Cp.) . fgY,-Herbert G. ' ' National Enamels, Ltd., 53 Norman Rd. Greenwich, London, S. E; 10, England . fRYSINGER, James B. (M ) Pennsylvania Glass Sand .Corp. Two Gateway Center, Pittsburgh, Pa. fUEttZALIDA, Javier H :.(R ). Foreign Div., American Radiator & Standard Sanitary Corp. . 40 W. 40th St., New York 18, N. Y. ?UJII, Takashi ' ' Institute of Silicate Research University of Toledo, Toledo 6, Ohio fULKER,:Richard H. (E l). : 1408 Nicklin Ave., Piqua, Ohio (Pemco Corp.) FULLER, A. A. (X) . 322 S. Twyckenham Dr. Sooth Bend, Ind. (Sollit Construction Co., Inc.) FULLER, Donald H. (E l) 335 S. Cook Ave., Trenton, N. J, (Trenton Fabricated Metal Co.) FULLER, L. R. (E l) 1129 E. Walnut St., Kokomo, Ind. (Globe American Corp.) ; ]JER, Richard B. (W I) . 628 Wayne St., Sandusky, Ohio (Universal Clay Products Co.) : 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. (W I) ' Stackpole Carbon Co., St. Marvs, Pa. FULRATH, Richard M. (R) 1915 Milvia, Berkeley 4, Calif. (University of California) FULTON, Glen B. (E ) Norris-fThermador Corp. 5215 S. Boyle Ave. Los Angeles 58, Calif. FUNK, James E. (W J) 1355 Crane St., Schenectady, N. Y. (Locke Dept., General Electric Co.) FUNKE, W. (G) Owens-Illinois Glass Co. ' Box 1019, Oakland 4, Calif. : FUNKHOUSER CO. (J. B. Sauls) Hagerstown, Md. FUNNELL, John E. (M I) Southwest Research Institute Box 2296, San Antonio 6, Texas FURR, Clegg M. (SI) Box 191, Oakboro, N. C. (Kindrick Brick & Tile Co.) FUSSELL, Lynn E. (W ) 122 Kingston, Louisville, 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 (Glass Fibers, Inc.) U Vol. 33, No. 10 (1954) GAILEY, Michael D. 2601 W: Montlake PI. Seattle 2, Wash. . - GAINER, Taylor M. (W ) r 6505 Evangeline Ave. ' Louisville 14, Ky. (American Radiator & Standard Sanitary Corp.) GAINES, Robert F. (S) 25 Crosby Rd., Manchester, Conn. (Kelsey Ferguson Brick Co.) GALBREATH, William W ,, Jr. (RI) 487 W. St. Charles Rd. Elmhurst, 111. (Argonne National Laboratory) GALLAGHER, Thomas F. (G) 183 Dalton Dr., Buffalo 23, N. Y. (Laclede-Christy Co.) 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. , (Kevstone Ceramic Corp.) 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 & Gossett Co., 8200 Austin Ave. Morton Grove, 111. GAM SON, Bernard W . (R) Great Lakes Carbon Corp. 8210 Austin Ave., Morton Grove, 111. GA.NGLER, 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 W est Bengal, India GANIER, Albert F., Jr. (S) W. G. Bush & Co. 174 Third Ave., N., Nashville, Tenn. 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. (G) Garco Products, Inc. Box 351, Butler, Pa. GARCIA-LEAL, Ramon (W I) Apartado Postal 1115 Monterrey N. L., Mexico GARCO PRODUCTS, INC. (Norbert S. Garbisch) Box 351 Butler, Pa. GARDEN, Henry R,, Jr. (S) Box 508, Salem, Va. (Salem Brick Co., Inc.) GARDNER, Walter E. (W ) Rio Panuco 340 Ote. Colonia del Valle Monterrey N. L., Mexico (Ladrillera Monterrey S. A.) 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. GARL1CK, Oakley H. (M) Paul O. Abbe, Inc. Little Falls, N. J. GARLICK, Philip L. (JI) 1 Gladys St., Cyrildene Johannesburg, South Africa GARSTANG, Alec K King, Taudevin & Gregson Ltd. Grindlegate Works, .Scotland St. Sheffield 3, York, England GARVE, T. Walter (SFI) 69 W. Weisheimer Rd. ; Columbus 14, Ohio . (Consulting Engineer) ' GARVEY, Lawrence P. (R I) . RCA Victor, 415 S.. Fifth St. ' Harrison, N. J. . ' GASKINS, W. W. (W I) 1608 Huntington Dr., Box 390 . South Pasadena, Calif. (Sierra Talc & Clay Co.) GATES, Daniel W. (X I) Clemson College, Ceramics Dept. Clemson, S. C. GATES, Louis E., Jr. Box 933, Canton, N. C. ' . GATES, Major E. (R) 1447 Parkview Ave., Pasadena 3, Calif. GAUDIANO, Victor.M. (W ) Sanitarios El Aguila S. A. Apartado Postal 26808, Zona 14 Mexico, D. F. GAUNDER, Wilbur F. (G) - Pittsburgh Plate Glass Co. Works No. 11, Mt. Vernon, Ohio GAUNT, Charles L. (G) , Indiana Glass Co., Dunkirk, Ind. GAUTSCH, Murray C. (M I) - 3Ay pm uo -g `-diog jnujaqj, 3 IriOK . ' ' South San Francisco, Calif. GAVIN, G. P. (W ) - Kohler Co., Kohler, Wise. GAWTHROP, Alfred (S) 885 Maplewood Rd., Lake Forest, HI. (Wedron Silica Co.) GAY, Hayward A. (R) Cincinnati Milling Products Div.' . Cincinnati Milling Machine Co. 4701 Marburg Ave., Cincinnati 9, Ohio GEIGER, Charles F. (R F I) ' Carborundum Co., Box 268 Perth Amboy, N. J. GEIGER, Joseph S. (M) 944 Wesley Ave., Evanston, 111. (Titanium Alloy Mfg. Div. National Lead Co.) GEISINGER, E. E. (EF) Pfaudler Co., 1000 West Ave. Rochester 3, N. Y. GELLER, R. F. (W FI) 5427 York Lane, Bethesda 14, Md. (National Bureau of Standards) GELSTHARP, Frederick (GF) 1134 Park St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) GELTMAN, Gerald Box 1009, Alfred, N. Y. GEMMELL, J. G. (M) Golding-Keene Co., Box 456 Keene, N. H. GEMP, Robert W. (R) 500 Michell St., Ridley Park, Pa. (Botfield Refractories Co.) GENERAL CERAMICS CORP. (R. W. Ferguson) Keasbey, N. J. GENERAL COLOR & CHEMICAL CO., IN C. (Harry J. Keener) Box 7 Minerva, Ohio GENERAL ELECTRIC CO. (L. E. Thiess) Locke Dept., Box 57 Baltimore 3, Md. GENERAL ELECTRIC CO. (W. S. Kahlson) Lamp Dept., Pitney Glass Works Nela Park 12, Cleveland, Ohio GENERAL GLASS EQ U IPM EN T CO. (Victor A. Plumbo) 5 S. Virginia Ave. Atlantic City, N. J. R oster 27 f rtfiNBRAL REFRA CTO RIES CO. ' w (Russell P. lieuer) 1520 Locust St. . Philadelphia 2, Pa. /.ENTRY, Raymond (G) Alexander H . Kerr & Co., Inc. Box 2008, Santa Ana, Calif. gghlTSCH, Bernhard F. (M) , United Clay Mines Corp. 01 Oakland St., Trenton, N. J. |RGE, W. -C. (W ) W, S. George Pottery Co. East Palestine, Ohio | GORGE. W. R. (X) ' Canonsburg Pottery Co. ; Canonsburg, Pa. /jgORGE, W. S., POTTERY CO. (W. C. George) East Palestine, Ohio ) GEORGIA K A O LIN CO. ! (Robert H. Bollinger) . GEO43R3GNIA. BPrIoGadMSEtN., TEliCzaOb.eth 3, N. J. (W. W . Kingman) Sandersville, Ga. GERAGHTY, John J. (E ) " . Chicago Hardware Foundry Co. North' Chicago, 111. GERBER/ Oscar L. (W ) . Gerber Plumbing Fixture. Co. '232 N. Clark St., Chicago, 111. CERCAR,, Francisco J. S. A.. Cristaleras Del Uruguay Comercio 1491, Montevideo, Uruguay GERSCH, Herbert (S) . 3557 Ontario St., Columbus 11, Ohio (Claycraft Co.) . . . GERSTENSCHLAGER, V., Jr.' (R) Babcock & Wilcox Co., Box 923 Augusta, Ga. . GERSTER, C. W. (W I) Louthan Manufacturing Co. ' East Liverpool, Ohio . GETTO, Allan . Box 246, Alfred, N. Y. GHERING, Leonard G. (GF) Preston Laboratories, Box 149 Butler, Pa. GIACOMELLI, Domenico . . JSoc. It. Refrattari karghera Azionaria , Via Industrie 52 Cas. Post. 38 Marghera, Venice, Italy _ GIANG, Yu Kim ... -. . Choan Huat Co. Inc 111 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 ) Association of American. Railroads 59 E. Van Buren St., Chicago 5, 111. GIBSON, R. L. (W I) 512 E. Leasure Ave., New Castle, Pa. (Shenango China, Inc.) GIESEKE, Frans Kockums Emaljerverk Ronneby, Sweden GIESS, Edward A. (R J) 341 Second St., South Amboy, N. J. (Titanium Pigment Corp., National Lead Co.) LES, James H,, Jr. (MI) 5516 39th S t, N. W. Washington, D. C. (Porcelain Enamel Institute) GILES, Thomas M. (W J) 1970 Suffolk Rd., Columbus, Ohio (Ohio State University) GILFILLAN, J. M. (W ) . New Jersey Porcelain Co. r Box 908, Trenton 5, N. J. GILL, James A. (W I) 8427 Broadway, San Antonio 9, Texas (Gill Pottery) i, John H. (R) Plt ill Clay Pot Co., Muncie, Ind. g*LL, Joseph W. (B I) . 685 Van Buren St., Des Plaines, 111. - (U. S. Gypsum Co.) I* 33, N o. 10 (1954) ^ GILL, LaVerne N. (W I) GOETCHIUS, Don R. (E ) American Radiator & Standard Ferro Corp. Sanitary Corp., Box 268 4150 E. 56th .St., Cleveland, Ohio Torrance, Calif. GOETTMAN, Franklin P. (M) G ILLESPIE, H. M. (M) Standard Sand Co., Grand Haven, Mich. 225 Broadway, New York 7, N. Y. GOIN, Fred L. (S) GILLIARD, Joseph W. (D) Gladding, McBean & Co., 108 W. County St., Phoebus, Va. Lincoln, Calif. (Hampton Institute) GOLDING, Ivor L. S. GILLINDER BROTHERS, INC. (J. Fletcher Gillinder) Port Jervis, N. Y. GILLINDER, J. Fletcher (G) Gillinder Brothers, Inc. Metal Porcelains Ltd., Cornwall Rd. Smethwick 40, England GOLDING-KEENE CO. (J. G. Gemmell) Box 456 Keene, N. H. Port Jervis, N. Y. GILLULY, William F. (X ) 212 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) GOLDMAN, Basil B. (S) 1545 S. State St., Chicago S, 111. (Rhodes Chemical Co.) GOLDSMITH, Julian R. (B) GILTNER, Benedict C. (W ) Illinois Electrical Porcelain Co. Pierce & 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 GINTHER, Lawrence B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio GIRARD, R. T. (E) Works Laboratory, General Electric Co. Schenectady, N. Y. GITTER, Alice Josephine (M FI) 39 W. 70th, New York 23, N. Y. (Whittaker, Clark & Daniels, Inc.) University of Chicago Dept, of Geology, Chicago 37, III. GOLDSTEIN, Maxwell K. (M) Balco Research Labs., 49-53 Edison PI. Newark 2, N. J. GOMEZ, Salvador Odriozola (R ) Fabrica de Ladrillos Industrials y Refractarios, S. A., Apartado 390 Monterrey, N. L., Mexico GONDER, Lawton (W ) Gonder Ceramic Arts, Inc. Box 448, Zanesville, Ohio GONZALEZ, Raul (G) Vidriera Mexico, S. A. Lago Zurich 243 Mexico 17, D. F. Mexico GOODMAN, Gilbert (B) General Electric Research Lab. The Knolls, Schenectady, N. Y. GOODMAN, H. A. (R) GITZEN, Walter H. (R) Dominion Fire Brick & - 1 Wesley Dr., Belleville, III. Clay Products (1954) Ltd. (Aluminum Co. of America) Claybank, Sask., Canada GIVEN, Conrad W. (E) GOODMAN, James S. (E) Great Lakes Steel Corp. American Radiator & Standard ' Ecorse, Detroit 29, Mich. ' Sanitary Corp., 834 E. Broadway GLABAU,. Ernest R. (G) 234 Somerset Ave., Taunton, Mass. (General Electric Co.) GLADDING, Albert C. (S) Gladding Bros. Mfg. Co. Third & Keyes St., San Jose, Calif. GLADDING, McBEAN & CO. (William O. Brandt) 2901 Los Feliz Blvd. Los Angeles 39, Calif. GLADNEY, Kurt (G) Fiberglas Canada Ltd., Box H Sarnia, Ont., Canada GLASER, John H. (G) Uniscience Inc. 112 Crooked Billet Rd., Hatboro, Pa. 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 & Chemical Corp. 5401 Harrison St., Skokie, 111. GLOSSRRENNER. D. I. (M) R.R. 12, Box 261, Indianapolis, Ind. (Kaolin, Inc.) 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. (GJ) 2847 Alisdale Dr., Apt. 102 Toledo 6, Ohio (Owens-Illinois Glass Co.) Louisville 4, Ky. GOODRICH, Hobert R. (W I) 1622 Santa Barbara Ave. Glendale 8, Calif/ . (Gladding, McBean & Co.) GOODWIN, Gail . Creek Rd., Holley, N. Y. GOODWIN, William Jarrard (B) Metals Research lab s. Electro-Metallurgical Co., Box 580 Niagara Falls, N. Y. GORDON, Irwin (W) RCA Laboratories Div. Princeton, N. J. GORMLY, Alan L. (R) 490 Shrewsbury St., Holden, Mass. (Norton Co.) GORMLY, Maurice W. (W ) 7330 Miami Hills Dr., Madeira, Ohio (Cincinnati Milling Products Div., Cincinnati Milling Machine Co.) GORNALL, Henry A. (M I) 4357 ArdmoTe Rd., S. Euclid Cleveland 21, Ohio . (Allied Engr. Div., Ferro Corp.) GORSUCH, Charles A. (M) Ayers Mineral Co., 806 Market St. Zanesville, Ohio GORT, Walter A. (W ) Twin Bay Village Bolson Landing, N. Y. (General Ceramics & Steatite Corp.) GOSS, Bruce R. 11 Hamilton St., Weedsport, N. Y. GOTTO, Mrs. B. D. "Wheatlands," Headley Nr. Newsbury, Berks, England (A. L. Curtis Co.) GOUDGE, Monson F. (M) Mines Branch, 40 Lydia St. Ottawa, Ont., Canada (Dept. Mines & Technical Surveys) GOUGH, James A. (R JI) 1282 Genessee Rd., Cleveland, Ohio (U. S. Steel Corp.) R oster 29 gOOLD. R. E. (WFI) - Buffalo Pottery, Iuc. . 25 Hayes P i., Buffalo 10, N. Y. gOWER, living W. (R) Dept, of Engineering Research North Carolina State College Raleigh, N. C. AFF, James B. (S) Graff-Kittanning Clay Prod. 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, Durward P. (M ) Wiesner-Rapp Co., Inc. 1600 $ieca St., Buffalo 10, N. Y. GRAHAM) John W arren (R ) Research Laboratory, Kennametal, Inc. Latrobe, Pa. GRANNEN, Edward A. (W ) 77 Sheehan Ave., Cincinnati 15, Ohio (Cambridge Tile Mfg. Co.) GRANT, Frederic J. (D ) Grant-Jacoby Co. 527 W / Seventh St., Rm. 303 Los Angeles 14, Calif. GRANT, Mrs. Frederic J. (D ) . Smoke Tree Ranch, Palm S.prings, Calif. (Grant-Jacoby Co.) , GRAY, Thomas J. (B) Box 814, Alfred, N. Y. (New York State College of Ceramics) GRAY, William T.. (G) ' Leeds & Northrup Co. ' 4901 Stenton Ave., Philadelphia 44, Pa. GREAT LA K ES FO U N D R Y SAND CO. (C. L. Cruikshank) ' 720 United A rtists Bldg. Detroit 26, Mich. GREEN, A. P., F IR E BRICK CO. - (R. S. Bradley) f Research Dept., Mexico, Mo. EN, A. T. (F) - British Ceramic Research' Assn. TQueen's Rd., Penkhull Stoke-on-Trent, England GREEN, Allen P . (R ) A. P . Green Fire Brick Co. Mexico, Mo. GREEN, D. T. (S) Milton Brick Co., Ltd., Box 554 Milton, Ont., Canada GREEN, John R. (M I) ' Minneapolis-Honeywell Reg. Co. Wayne & Windrim Aves. Philadelphia 44, Pa. GREEN, Robert L. (W ) Lenox, Inc., Meade St. Trenton, N. J. GREEN, R. S. (B I) 18 S. Jefferson Rd., Mexico, Mo. (A. P . Green Fire Brick Co.) GREEN, Robert S. (X) Engineering Experiment Station Ohio State University Columbus 10, Ohio GREENBERG, Sidney A. (B) 377 Windsor St. North Plainfield, N. J. (Johns-Manville Research Center) GREENE, Charles F. (R ) . 540 Rogers D r., Macon, Ga. (Bums Brick Co.) GREENE, Charles H . (G) Box 804, Alfred, N. Y. (N. Y. State College of Ceramics) GREENE, J. F. (G F) 1043 New Pear, Vineland, N. J. i j (Kimble Glass Co.) EENE, Robert H. (E) Canadian General Electric Co., Ltd. 5781 Notre Dame E. I I Montreal, Que., Canada ,, K 33, No. 10 (1954) 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. (G FI) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. GREGORY, G. A. (G) Ball Brothers Co., Muncie, Ind. GRENIER, Lee (R) Magnet Cove Barium Corp., Box 832 Greybull, Wyo. GRESHAM, Lucius C., Jr. (S) Acme Brick Co., Monroe, La. GREWER, P. Douglas 4035 Sheridan Rd., Chicago 13, 111. G RIFFIN, Thomas W. (G) 213 Bushy Hill Rd., Weatogue, Conn. (Hartford-Empire Co. . Div. of Emhart Mfg. Co.) G RIFFIN, William R. (W ) Solar Mfg. Corp. 46th St. & Seville Ave. Los Angeles, Calif. G RIFFITH, 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.) G RIFFITH, William A. (I) 806 16th St., 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. (E l) - 338 N. Dover Ave. La Grange Park, 111. (Armour Research Foundation) 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. Sterne & 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) 3008 Cheltenham PL, Chicago 49, 111. (United States Steel Corp.) GROVE, Robert L. (W I) 26 Rockland St. South Dartmouth, Mass. (Coraell-Dubilier Elec. Corp.) GRNER, Max N. (R) . . Harbison-Walker Refractories Co. 1325 Ambassador Bldg., St. Louis 1, Mo. GRUVER, Robert M. 1160 Oneida St., State College, Pa. GSCHWIND, Jean F. (M) Ross Midwest Fulton Corp. 918 Woodley Rd., Dayton 3, Ohio GUERCI, Carl F. (W) 1444 Westgate Dr., Bethlehem, Pa. (Western Electric Co.) . GUIMARAES, Helio Pentagna Caixa Postal 1355 Belo Horizonte, Brazil GULICK, Chester (W ) 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 GUNTHER, F. W. (S) 849 Baker Ave., N. W. New Philadelphia, Ohio (Universal Sewer Pipe Corp.) GUNZENHAUSER, Adolph (M) Industrial Consultant, 617 W. End Ave. New York 24, N. Y. GUSTAFSON, Carl H., Jr. (R) Montana Dr., Holden, Mass. (Norton Co.) G UTHRIE, George "Ochil" Harrow Rd., Sudbury Hill Wembley, Middlesex, England (British Bath Co., Ltd.) G UTHRIE, George B. (W ) 642 Louisiana Ave., Chester, W. Va. (H all China Co.) GUTMANN, Paul F. (G) 88 Angelica St., St. Louis 7, Mo. (Mississippi Glass Co.) GUZMAN, Hector Box 382, Rio Piedras, Puerto Rico (Puerto Rico Glass Corp.) GZOWSKI, Edward R. 59 Drake St., Oakfield, N. Y. H HACKETT, James W. (G) 3614 Kenwood Blvd., Toledo 6, Ohio (Owens-Illinois Glass Co.) HACKLER, W. C. (W I) . Ceramic Section Engineering & Industrial Exp. Station University of Florida, Gainesville, Fla. HAECKER, Arthur J., Jr. (R) 67 Frost Ave., Frostburg, Md. (National Refractories, Co.) HAEGER POTTERIES, INC. (Joseph F. Estes) 7 Maiden Lane Dundee, 111. HAFF, Robert S,, Jr. (R) Norton Co., Refractories Div. Sales Engr. Dept., Worcester, Mass. HAFNER, Harold C. (G) Bausch & Lomb Optical Co. Chemical Research Lab. Rochester 2, N. Y. HAGAN, M. A. (RI) Midwest Research Inst. 4049 Pennsylvania, Kansas City, Mo. HAGAR, Donald (W FI) Box 328, Zanesville, Ohio (Donald H agar Ceramic Materials) HAGEDORN, E. C. (G) Technical Center Owens-Illinois Glass Co. 1700 N. Westwood, Toledo 7, Ohio HAGENAUER, Carl J. (G) R.R. 1, Sarver, Pa. (Pittsburgh Plate Glass Co.) HAGERMAN, R. Scott (RI) 900 Wilmington Rd., New Castle, Del. (Chemax Manufacturing Corp.) HAGGLUND, Erik (M) Kanthal Corp., Amelia PI. Stamford, Conn. HAGNER, Fred F. (G) Phoenix Glass Co., Monaca, Pa. HAGY, Henry E. (G) Corning Glass Works Laboratory Coming, N. Y. HAHN, William P. (G) 80 Norwood Ave. North Plainfield, N. J. (Johns-Manville Corp.) HAHNER, Clarence H. (GF) National Bureau of Standards Washington 25, D. C. HALDEN, Frank A. 825 Clark Ave., Ames, la. HALDY, Norman L. (W) American Encaustic Tiling Co. Lansdale, Pa. R o s t e r 31 \ .;! j .: :! :?i Babcock & Wilcox Co. # Research Center, Box 835 . Alliance, Ohio ALL, Andrew? E. ' 417 Cliff PI., Birmingham, Ala. HALL CHINA CO. (M. W .. Thompson) East Liverpool, Ohio , ALL, Donald H. }. Box 787, Alfred, 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. (W F) Pass & Seymour, Inc. Syracuse 9, N. Y. HALL, H. Tracy (G) General Electric Research Lab. Box 1088, Schenectady, N. Y. HALL, John.T . (W ) Elysian Way, East Liverpool, Ohio . (Hall .China Co.) , 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. (R I) . ; Ceramic Supply Co., Box 106 -Crooksville, Ohio HALLOIN, William G. (G) 1218 Broadview Blvd. Brackenridge, Pa. (Pittsburgh Plate Glass Co.) HALM, Louise ' Union Franaise des Produits Rfractaires, 15, Rue de Milan Paris 9e, France HAMAKER, M. L. (R) Columbia Fire Brick Co. -, First National Bank Bldg. j Canton 2, Ohio - .HAMILTON, Edgar H. (G) .... National Bureau of Standards Washington 25, D. C. HAMILTON, Noble E: (R ) 399 Lake Ave., Rochester 6, N. Y. (Consolidated Vacuum) - HAMILTON, W . M. (E) Crane-Co., Chattanooga Div. ChQttnooga, Tenn. HAMME, Donald G. (X I ' 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 c/o Messrs. R. Fowler Ltd.. Box 9 Marrickville, N.S.W., Australia 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. . 720 Cass St., Trenton, N. J. HANCOCK B RICK & T IL E CO. (James L. Child, Jr.) Box 59 Findlay, Ohio . HANCOCK, Russell A. 83 W ater St. Auburn Sydney N.S.W., Australia Ha n d , Thomas (R ) Corhart Refractories Co. ' 1600 W. Lee St., Louisville 10, Ky. ANDEN/Jack (GJ) 355 Hoffman St., Elmira, N. Y. (Westinghouse Electric Co.) Vol. 33, No. 10 (1954) 915 N. Prairie Ave., Joliet, 111. (Argonne National Laboratory) HANES, John G. (R) Republic Steel Corp., Warren, Ohio HANKS, Charles F., Jr. (W ) Kentucky-Tennessee Clay Co. 807 City Savings Bldg. Alliance, Ohio HANLEY CO. (Charles E. Bates) Summerville, Pa. HANLON, Charles W. (M) Hauck Mfg. Co., 124-136 Tenth St. Brooklyn 15, N. Y. HANN, Douglas G. Caynton, Shifnal, Shropshire, England (British Heat Resisting Glass Co.) HANN, G. C. (G) Minnesota Mining & Mfg. Co. 900 Fauquier Ave., St. Paul 6, Minn. HANNA, H. H. (GI) Pittsburgh Plate Glass Co. 100 Mississippi Ave. Crystal City, Mo. ' HANNA, Ralph E. (W I) . Square D Co., Molded Insulation Div. Peru, Ind. HANNA, Richard (RJ) Hartford, N. Y., (General Electric Co.) HANNON, Richard C, (W I) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HNOVIA CHEMICAL & MFG. CO. (R. T. Vanderbilt Co., Inc.) .East Newark,.N. J. HANSARD, W. Carey (W I) 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, G. G. (M) International Minerals & Chemical Corp., Consolidated Feldspar Dept. 4436 N. Maplewood Ave. Chicago 25, 111. HANSON, Hans R. (R) 30004 W. Ten Mile Rd. Farmington, R.R., Mich. (Hanson Co.) HARBERT, Carl (M) Harshaw Chemical Co., 1945 E. 97th St. Cleveland 6, Ohio HARBISON-WALKER REFRACTORIES CO. (W . F. Rochow) - 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. HARCOURT, Edward L. (M) North American Mfg. Co. 3810 West St., Cincinnati 27, Ohio HARDER, Charles M. (D F) New York State College of Ceramics Alfred, N. Y. 4 Greenway, Horsham, Sussex, England (Sussex & Dorking United Brick Co., Ltd.) HARDINGE CO- INC. (Harlowe Hardinge) York, Pa. HARDINGE, Harlowe (M) Hardinge Co., Inc., York, Pa. HARDY, Ronald G. (S I) Onondaga Brick Corp., Warners, N. Y. HARES, George B. (G) 15 Roosevelt St., Corning, N. Y. (Corning Glass Works) HARGREAVES, John 26 K irk Lane Yeadon, Nr. Leeds, England HARKER POTTERY CO. (Robert E. Boyce) East Liverpool, Ohio HARMAN, C. G. (W F) Horizons, Inc., 2891 E. 79th St. Cleveland, Ohio HARNISH, John D., Jr. (W I) Westinghouse Electric Corp. Derry, Pa. HARPER, J. Fletcher (W ) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. HARPER, Roderick L. (M) H arper Electric Furnace Corp. 39 River St., Buffalo 2, N. Y. HARPER, Wallace T. (RJ) 1645-D 16th St., Los Alamos, N. M. (Los Alamos Scientific Laboratory) HARR, W. J. (W I) 6454 Bloomingdale, Chicago 35, 111. (Mevercord Co.) HARRELL, George O. (D ) - 607 W icker St., Sanford, N. C. (H arrop Ceramic Service Co.) HARRINGTON, Henry W. (G) 132 Stafford Ave., Syracuse 6, N. Y. (Solvay Process Diy., Allied Chemical & Dye Corp.) HARRIS, Arthur L. (W) H arris Q ay Co., Dillsboro-, N. C. HARRIS, David H. (W ) Shenango China, Inc., New Castle, Pa. HARRIS, George M. (G) Hanovia Chemical & Mfg. Co. 100 Chestnut St., Newark 5, N. J. HARRIS, Henry M. (S) 5226 Holly St., Seattle 8, Wash. (U. S. Bureau of Mines) HARRIS, James E. (S) 4685 S. Sherman, Denver, Colo. (Robinson Brick & Tile Co.) HARRIS, Joe N. 412 Florida Ave., S. E. Atlanta, Ga. HARRIS, Ransom S. 3107 Douglas St., Raleigh. N. C. HARRIS, William J. (W ) Crossley Machine Co., Trenton 9, N. J. HARRISON, Harold C. (W ) 235 Webster Park, Columbus 14, Ohio. (Westinghouse Electric Corp.) HARRISON, W. N. (EF) National Bureau of Standards Industrial Bldg., Enameled Metals Sect., Conn. Ave. at Van Ness St. Washington 16, D. C. HARRISON, William B. (R JI) 5325 W . Hadley St. Milwaukee 10, Wise. . (Allis-Chalmers Mfg. Co.) HARSELL, William B. 345 Union Ave., Elizabeth, N. J. HARSHAW CHEMICAL CO. (Carl. Harbert) 1945 E. 97th St., Cleveland 6, Ohio HARTFORD-EM PIRE CO. DIV. EM HART MFG. CO. . (K arl E. Peiler) Box 1620 Hartford, Conn. HART, John M. (W) New Jersey Porcelain Co., Box 908 Trenton 5, N. J. . HART, John R. 525 Lansing St., Raleigh, N. C. R oster 33 /w i'iuiijpioil oouri Webster Groves 19,-Mo. (Aluminum Co. of America) ' HART, Wade J. (G I) 908 Lafayette Court, Marion, Ind. (Radio Corp. of America) HARTFORD, Thomas J. (W I) ' 1091 N. Lake Ave., Pasadena 6, Calif. (Gladding, McBean & Co.) HARTLEY, Alva . G. H. Downing & Co. Ltd. New Castle, Staffs, England HARTSHORN, T , D. (E l) A. J. Lindemann & Hoverson Co. Milwaukee IS, Wise. HARTWIG,' Frederick J., Jr. (R ) . - Babcock'& Wilcox Co., Box 83S Alliance, Ohio HARVEY, A. M., Jr. (S) Roanoke-Webster Brick Co., Box 780 Roanoke S, Va. HARVEY, Edwin T. (R) 314 W. McPike St., Vandalia, Mo. (Harbison-Walker Refractories Co.) HARVEY, Joseph S., Jr. (G) . 46S Centre St., Quincy, Mass. - .(Raytheon Mfg. Co.) HASKO, 'Stphen (W I) . 1510 Wheaton Lane, Silver Spring, Md. (National Bureau of Standards) HASSELBACH, William (G) Lihbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio HSSETT,: William A. (W ) Knox Porcelain Corp., Box 2031 Knoxville, Tenn. HATCH, Robert A. (B) Bureau of Mines Electrorfechnical Laboratory ' Norris, Tenn. 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) 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.) HAVEKOT.TE, Walther L. (M) 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. (XJ) R.R. 1, Belfast, N. Y.. 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., Perth Amboy, N. J. HAWKINS, James M. (S) Buffalo Brick Corp., 448 Franklin St. Buffalo, N. Y. HAWKINS, Robert J. (RI) 20 Sunnyside PI., Hamburg, N. Y. (Buffalo Brick Corp.) HAWKS, Ralph L. (R) Holt St., Hopkinton, Mass. (StyIon Corp.) VOL. 33, N o. 10 (1954) -O V^ucsicr c ir c le , A p t. A New Brunswick, N. J. . . (Sayre & Fisher Brick Co.) HAWS REFRACTORIES CO. (E. E. Slick, Jr.) 407 Main St. Johnstown, Pa. HAY, John 58 Westholmes Gardens Musselburgh, Midlothian, Scotland HAY, Joseph L. (R) Acme Brick Co., Box 448 Malvern, Arkansas 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., Rra. 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.) H EA TH , Donald L. (B) Ohio Brass Co., Park & Ninth Barberton, Ohio H EA TLEY , Sidney M. (SJ) Box 475, Moncks Corner, S. C. (Babcock & Wilcox Co.) HECK, Frank G. (R) E. J. Lavino & Co., 1528 W alnut St. Philadelphia 2, Fa. HEDDELL, James V. (GI) .2328 Hathaway Ave., Alhambra, Calif; (Gladding, McBean & Co.) HEDDEN, Walter A. (M) Battelle Memorial Institute 505 K ing 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. H E D IN , Claes Olof c/o Malardalens Tegelbruk ' Stockholm 3, Sweden HEDQUIST; Alfred J. (W) Apartado Postal 525 Guadalajara, Jalisco, Mexico (Loza Fina S. A.) H EEBNER, John C. (RI) " 7064 Glenmeadow Lane . . Cincinnati 37, Ohio . (Cincinnati Milling Machine Co.) H EFTI, Franz c/o Zurcher Ziegeleien Talstrasse 83, Zurich, Switzerland H EIDTM A N, Clarence F. (G) National Lime & Stone Co. First National Bank Bldg. Findlay, Ohio H EILIGM AN, H . A. (R FI) E. J . Lavino & Co., Box 29 Norristown, Pa. HEIM SOETH, Werner M. Farbenfabriken Bayer, (220) Leverkusen-Bayerwerk, Germany HEIND L, Raymond A. (RF) 4&17 43rd St., N. W. Washington 16, D. C. (National Bureau of Standards) HEINE, H. W. (S) Hudson Supply & Equipment Co. 1727 Pennsylvania Ave., N. W . Washington 6, D. C. HEISCHMAN, Fred E. (W) 106 S. Adams St., Fostoria, Ohio (Electric Auto-Lite Co.) H EISLER , John C., Jr. (M) Eagle-Picher Co., Oliver Bldg. Pittsburgh 22, Pa. La Oroya, Peru HELLIESEN, Richard O. Box CC, Alfred, N. Y. HELLRIEGEL, Edgar J. (R) 986 Hale St., Apt. B, Pottstown, Pa. (Robinson Clay Products Co. ) HELM, David F. (B) Mellon Institute, Pittsburgh 13, Pa. HELMKAMPF, R. N. (G) Laclede-Christy Co. 2000 Hampton Ave., St. Louis 10, Mo. HELSER, Perry D. (W FI) 3604 Rosemary Ave., Glendale 8, Calif. HELZ, Armin W. (W) 20 Maryland Ave., Gaithersburg, Md. (U. S. Geological Survey) HEMBERG, Per ' Surte Glasswork, Surte, Sweden HEMPHILL, R. W. (W) Colonial Insulator Co., 945 Grant St. Akron 11, Ohio HEMSTEGER, Samuel E. (E l) R.R. 2, Windsor, Vt. (Consulting Engineer) HENBY, E. B. (M) National Engineering Co. Simpson Mix-Muller Div. 549 W . Washington Blvd. Chicago 6, 111. HENDERSON, Frederick C. (W FI) Royal China, Inc., Sebring, Ohio H EN D E R SO N ,Jam es L., Jr. (M) - _ Robinson Ventilating.Co. . Zelienople, Pa. - . . .. HENDERSON, William W. (S) - Robinson Ventilating Co., Box 217 Zelienople, Pa. - " . HENDRN, Robert R. (RI) ' 105 Bank Ave., Riverton, N. J. (Richard C. Remme Son Co.) . HENDRYX, Dwight B. (S) 6621 Darlington Rd; . . Pittsburgh 17, Pa. ' - . ' (Dwight B. Hendryx & Associates) HENLY, H. Maynard (M) ' 1376 River Ave., Pittsburgh 12, Pa. - (Titanium Pigment- Corp.)' . . HENRAR, J. M. G. " ' N. V. Porselein en Tegelfabriek MOSA MAASTRICHT Meerssenerweg Maastricht, Netherlands HENRY, Edward C. (X F I) 1121 Westmoreland Ave. Syracuse 10, N. Y. (General Electric Co.) HENRY, Frank R. (RF) ; Simonds Worden W hite Co. N. Summit St. & Negley PI. ; Dayton 7, Ohio HENRY, Georges Directeur General a /s Union des Verreries Mcaniques Belges, 41, Quai de Brabant Charleroi, Belgium HENRY, Kenneth M. (GF) Owens-Illinois Glass Co. 1700 N. Westwood Ave., Box 1035 Toledo 6, 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. HENSON, W. H. (R) 65 Whitman Rd., Worcester 5, Mass. (Norton Co.) . HENW OOD, Reginald J. (R) 9444 Lynnhaven Rd. Cleveland 30, Ohio (Republic1Steel Corp.) HEPLER, Ernest C. (R)` 329 Andover Rd., Fairless Hills, Pa. (U. S. Steel Corp.) R oster 35 ppLEW H lTE, J. W- (W FI) J3557 Cedar Rd., Cleveland 18, Ohio (Ferro Corp.) - rBERT, John S. (S) 174 Third' Ave., N., Nashville 3, Tenn. (W. G. Bush & Co.) rF ' - T . John W. (W ) 4j |V., 150th St., Cleveland 11, Ohio (L. jfl Electronics Co.) RGER, Howard C. (G) Pierce Glass Co., Port Allegany, Pa. RKO, Edward (GI) - 4494 Culver Rd., Sea Breeze, N. Y. (Bausch &. Lomb Optical Co.) RMNN, James L. (W ) 3288 Earlmar Dr. Los Angeles .64, Calif. (Redondo Tile Co.) . . ;ROLD, Paul G. (X FI) Missouri School of Mines, Rolla, Mo. .RPEL, Clarence M.. (S) Cherokee Station, Box 5 .. ' Louisville. 5, Ky. (Southern Brick & Tile Co., Inc.) JRTZELL, E. A. (R) 1111 Chestnut St., Dover, Ohio (Robinson Clay Products Co.) SS, F, B: (G) Brockway Glass Co., Inc. Brockway, Pa. SS, Robert L. (R) 44 H ess Blvd., Lancaster, Pa. (Armstrong Cork Co.) sSSINGER, 1/Lt. Philip S. (R JI) Box 8832, W right Air Development Ctr. Wright-Patterson AFB, Dayton, Ohio UER, Russell P. (RF) General Refractories Co. 1520 Locust St., "Philadelphia 2, Pa. EWITT, Arthur E. ' (W . T. Copeland & Sons Ltd.) Spode Works, Stoke-on-Trent, England EWITT, L. C. (R FI) . Laclede-Christy Co. J:t,Ridgewood Ave., St. Louis 16, Mo. EY James Thomas (E) lns am-Richardson, Inc. Frankfort, Ind. ICKS, James C. (B) R.R. 2, Box 870A, Los Altos, Calif. (Kaiser Aluminum & Chemical Corp.) ICKS, John F. G. (G) . 131 Thompson Dr., Painted Post, N. Y. (Corning Glass Works) :iCKS, Robert G. (E ) ' 608 21st, Bettendorf, la. (Herman Nelson Div., AAF) HERNAUX, Marcel . 2, Lgue rue d'Argile, Anvers, Belgium (Verreries des Hamends) IIGGINS, Ray (W ) 191 Overlook Ave., Wadsworth, Ohio (Ohio Brass Co.) IIGGINS, Waldo W. (E F I) 655 S. Harrison Ave., Kankakee, 111. (A. O. Smith Corp., Permaglas Div.) HGGS, Harold P. (B) 312 E. Scribner Ave., DuBois, Pa. (Jeffers Electronics) SIGMAN, John W., C o .. (Robert J. Stone) 24 State St. New York 4. N. Y. HILDEBRAND, David (W J) Box 963, Alfred, N. Y. HILL, Dudley A. (M) U. S. Testing Co., Inc. 1415 Park Ave., Hoboken, N. J. LL, Ercell C. (SF) 114-23 196th St. St. Albans 12, N. Y. HlLt John R. (S) 1Edgewater Apts. Heston, W. Va. (Charleston Clay Products Co.) HILL, Lawrence I. (G) 307 Carver Blvd., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) & . ||L . 33, N o. 10 (1954) HILL, William B. (GJ) Corning Glass Works Research & Development Div. Coming, N. Y. 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) H1NDES, Stanley V. (M) 88 Union Ave., Pittsburgh 5, Pa. (Pemco Corp.) HINDS, H. Clark (D) ' Harker Pottery Co. East Liverpool, Ohio HINKINS, E. A. (G) Tygart Valley Glass Co., Box 503 Washington, Pa. H INTZE, Wollmar W :son Agatan 12, Bromolla, Sweden (A. B. Ifoverken) HIRSSIG, Carl F. (G) 4554 Westway, Toledo 12, Ohio (National Lime & Stone Co.) HISCOCK, Harley J. (R) Fuller Merriam Co., Box 69 W est 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. (S) Zonolite Co., Box 217 Travelers Rest, S. C. HITZEMAN, Roger L. (W JI) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. HOAGBIN, Joseph E. (B) . 1200 W. Cross St., Ypsilanti, Mich. (University of Michigan) HOARE, Henry A. (W ) ' 2655 Sharondale Dr., N. E. Atlanta, Ga. (Georgia Sanitary Pottery, Inc.) HOBSON, Joe' P. (S) . Acme Brick C-> 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 Glass Co.) HODSON, George N. The Hall, Wymeswold Nr. Loughborough, England (Hathemware, 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 ) 5010 Mayfield Rd., Lyndhurst 24, Ohio (Enamel Products Co.) . HOEMAN, Erwin C. (R) Dugway Proving Ground, Tooele, Utah 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.) HOFFMAN, Sidney C. (G) 1646 Lindy'Lane, Lexington, Ky. (Sylvania Electric Products, Inc.) HOFFMAN, Willard H. J. (W) .8 Dungarrie Rd., Baltimore 28, Md. (Clinchfield Sand & Feldspar Corp.) HOFFNER, Jere R. (G) T. C. Wheaton Co., Millville, N. J. HOFSTETTER, G. W. (E) Ferro Corp., 336-338 N. Central Ave. Chicago 44, 111. HOGAN, Thomas W. (W ) Flintridge China Co. 350-380 S.' Raymond Ave. Pasadena 1, Calif. HOGENDOBLER, H. R. (G) Gustin-Bacon Fairfax Industrials Dist. Kansas City, Kans. HOGENSON, William (E) Chicago Vitreous Corp. . 1425 S. 55th Court, Cicero 50, III. HOHMANN, Frederick R. (G) 1012 Parkview Ave. New Kensington, Pa. (Pittsburgh Plate Glass Co.) - HOLDENER, Irwin K. (E l) . Hill Top T r. Ct., Bedford, Ohio HOLL, Barton A. (S) Logan Clay Products Co., Logan, Ohio HOLL, Barton S. (S I) 479 E. Main St., Logan, Ohio (Logan Clay Products Co.) HOLLEY, Kenneth E. (R) 113 Pritchard Ave., Corning, N. Y. (Coming Glass Works) HOLMES, Gregory J. Rutgers University, 78 Easton Ave. New Brunswick, N. J. HOLMES, John M. (S) 406 N. Steel St., Sanford, N. C. (Lee Brick & Tile Co.) HOLMES, Lyle A. (M) 82 Pilgrim Rd., Rosslyn Farms Carnegie, Pa. (Great Lakes Foundry Sand Co.) HOLMES, Roland G. (S) W. S. Dickey Clay Mfg. Co., Box 402 Pittsburg, Kans. , HOLMQUIST, Stig B. Box 54, Alfred, N. Y. HOLMSTROM, Joseph H. (R I) . 4316 Cedar Ave., Minneapolis, Minn. (General Refractories Co.) HLSCHER, H. H. (GF) Owens-Illinois Glass Co. Technical Center, 1700 Westwood Ave. Toledo 1, Ohio HOLST, Tage ! Vinkelvej lo, Kongens Lyngby, Denmark (Porcelnsfabriken Danmark A /S) . HOLTERHOFF, A. Gray (M) 307 E. Fourth St., Cincinnati 2, Ohio (National Sales Corp.) HOMMEL, E. M. (E F) O. Hommel Co., Box 475 Pittsburgh 30, Pa. HOMMEL, O., CO. (E. M. Hommel) Box 475, Pittsburgh 30, Pa. HONSBERG, Werner (W) . Apartado 508, Mexico D. F., Mexico (Fabrica de Loza El Anfora, S. A.) HOOD, Clyde (G) 1922 E. 107th St., Cleveland 6, Ohio (Leeds & Northrup Co.) HOOD, Harrison P. (GF) 260 Delevan Ave., Coming, N. Y. (Corning Glass Works) HOOPER, Bradford (R) 5 Point O'Woods Lane, Darien, Conn. (Babcock & Wilcox Co.) HOOVER, Charles H. (R) 609 Wilton Rd., Towson 4, Md. (General Refractories Co.) HOPKINS, C. R., Jr. (S) Hopkins Brothers, Box 897 Alliance, Ohio HOPKINS, Robert W. (Gl) Calumite Co., Box 151 Hamilton, Ohio HOPPER, R. T. (D) Hanovia Chemical & Mfg. Co. 1 W. Central Ave., East Newark, N. J. R oster 3,7 tfORAK,' William' (R F I) ** 223 Raymond `Rd. West H artford-7, Conn. (Hartford Empire Div., Emhart Mfg. Co.) ilORN, William F. (GJ) R. R. 2, Monongahela, Pa. b In f is c h e r , Harvey w. (w) 377 W. Brockton, Royal Oak, Mich. (Champion Spark Plug Co.) jORNING, Roy A. (G FI) P Armstrong Cork Co., Lancaster, Pa. HORNUNG, Martin R. (W I) p 140' E. Sheridan Ave., New Castle, Pa. (Shenango China, Inc.) flORTON. Paul B. (W I) Locke Dept., General Electric Co. BoV57, Baltimore 3, Md. jOSSENLOPP, A rthur M. (W I) 28 Kendall Ave., Maplewood, N. J. (Henry L. Crowley & Co., Inc.) flOSTETTER, J. C. (G FI) h 1S61 Dale Ave,, W inter Park, Fla. .< (Consultant) % gOUCHINS, Henry R. (W ) . Carborundum Co., Niagara Falls, N. Y. gOUDESHELL, Robert J. (M) 215 Basswood Ave., Apt. B Dayton 5, Ohio (International Clay Machinery Co.) i. HOUGH, James T. ? 656 Llewellyn PL, Charlotte, N. C. HOUGHTON, Amory (G) The Knoll, Corning, N. Y. (Coming Glass Works) HOULAHAN, R. C. (S) Builders Brick Co. 3800 Ninth Ave., S., Seattle, Wash. HOUSE, Roger L. Box 787, Alfred, N. Y. HOUSKA, Joseph L. (R) 511 W . Marshall St., Norristown, Pa. ' (E. J. Lavino & Co.) HOUSMAN, George S. (R) I Box 17, Norristown, Pa. iUSTON, M. Dean (RJ) 6317 Girard, Apt. 3 (r Cincinnati 13, Ohio S -(Cincinnati Milling Machine Co.) HOUZE, Armand L., Sr. (G) L. J. Houze Convex Glass Co. Point Marion, Pa. HOUZE, Armand L., Jr. (G) L. J. Houze Convex Glass Co. Point Marion, Pa. HOUZE, L. J., CON VEX GLASS CO. (Armand L. Houze, Sr.) Point Marion, Pa. HOWAT, Walter L. (D F) 85 Hopping Ave., Staten Island 7, N. Y. (Walter Howat Decorative Ceramics) HOWATSON, John (G) Box 248, Big Flats, N. Y. (Coming Glass Works) HOWATT, Glenn (W ) .si. Bidg. 6-B, Apt. 3, Redfield Village Metuchen, N. J. V (Glenco Corp.) |0 W E , Elroy E. (E l) ?!$ UBicago Vitreous Corp. m 1425 S. 55th Court, Cicero 50, 111. ?0WER, Lawrence D., Jr. (R I) g|R aybestos Div., 75 E. Main St. I Stratford, Conn. J - S. (B) . Allen Bradley Co., Milwaukee, Wise. "OWIE, Thomas W. / I JS; Usmpbell & Co. (Roughcastle) Ltd. ,,Roughcastle Works, Falkirk, Scotland T YET, Eugene (G) R- 2, Box 332, Tarentum, Pa. L (Pittsburgh Plate Glass Co.) (i " , Ku-hua i.' King's Terrace, 1st Floor Kowloon, Hongkong, B.C.C. (Kiu Foong Enamel Factory (H.K.) Ltd.) 33, No. 10 (1954) HUBER, George S. (E J) 509 F Castle -Dr., 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. HUBLER, William G. (M) Lakefield Research Ltd., Box 430 Lakefield, Ont., Canada 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. (W I) 21-B-3 Redfield Village Metuchen, N. J. (General Ceramics & Steatite Corp.) HUFFCUT, Harold W. (W) Westinghouse Electric Corp. Electronic Tube Div., Box 284 Elmira, N. Y. HUFFORD MACHINE WORKS, INC. (H . P. Smith, Jr.) 1700 E. Grand Ave., El Segundo, Calif. HUGHES, George B. (E) 236 Indiana Ave., Dayton 10, Ohio (Frigidaire Div., General Motors Corp.) HUGHES, Walter M. (W I) 534 Putnam Ave., Zanesville, Ohio (Chicago Standard Transformer Corp.) H UI, William L. C. (G) ' 323 W . Highland Ave., Marion, Ind. (RCA Victor Div.) HULL, J. Brannon (M) Hull Pottery Co., Crooksville, Ohio H ULL POTTERY CO. (J. Brannon Hull) Crooksville, Ohio HULSE, Charles O. 2240 Dwight Way, Berkeley 4, Calif. HUMENIK, Michael, Jr. (R) 28477 Parkwood Dr., Inkster, Mich. (Ford Motor Co.) HUMMEL, Floyd A. (B) College- of Mineral Industries Pennsylvania State University State College, 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.) HUNT, Charles W . (W ) 154 Vincent St., Chagrin Falls, Ohio (Certain-Teed Products Corp.) HUNT, Frank S. (W I) - 2494 Page D r., Altadena, Calif. HUNT, Herbert J. (G) . Kimble Glass Co., Vineland, N. J. HUNT, John F. (M I) . Pacific Northwest Alloys, Inc. Coquille, Ore. HUNTER, Charles E. (M) Box 226, Erwin, Tenn. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) HUNTING, Everett C. (BI) 2030 Grove St., Berkeley 3, Calif. (Microchemical Specialties Co.) HUPPERT, Paul A. (E l) 414 Randolph Rd., Plainfield, N. J. (General Ceramics Corp.) HURD, Burgess M. (W ) 3 Windy Crest Rd., Beaver Falls, Pa. (Ceramic Color & Chem. Mfg. Co.) HURLBUT. Wendell P. I l l (X J) 2105 Sunset Ave., Seattle 6, Wash. HURLEY, Robert C. (S J) 346 Third St. S. W. Medicine Hat, Alta., Canada (Medicine Hat Brick & Tile) HURLEY, Robert E. (B) 469 Camden Ave. Moorestown, Burlington County, N. J. (RCA Victor) H URSH, Ralph K. (X FI) 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) 421 Parker St., Newark 4, N. J. (Ceramic Age) HUTCHISON, Clark (E) 709 E. Armstrong St., Frankfort, Ind. (Ingram Richardson, Inc.) HUTCHISO N, R. C. (RI) 2133 Newton Ave., Bethlehem, Pa. (Bethlehem Steel Co.) H U TT, Glenn A. (E) 19629 Scottsdale Blvd. Shaker Heights 22, Ohio (Ferro Corp.) H U TT, Gordon M. (R) Canadian Pacific Railway, Rm. 703 Windsor Sta., Montreal, Que., Canada HUYCK, L. G. (E ) Huyck Construction Co. 2946 N. 78th Court Elmwood Park 35, 111. H VID , Niels A /S Bing & Grondahls Porcellaensfabrik 95, Vajby Langgade Copenhagen, Valby, Denmark HYATT, Edmond P. (B) Dept, of Ceramics, University of Utah Salt Lake City, Utah H YD E, Collin (R I) . 581 Oxford St., Worthington, Ohio (Battelle Memorial Institute) HYLAND, J. A. (M) Pacific Coast Borax Co. 2295 Lumber St., Chicago 16, III. HYNES, Frank J. (WI) Oxbow Rd., South Lincoln, Mass. (Raytheon Mfg. Co.) HYOLLE, Andre Socit -Generale de Carrelages 37, rue Leon Blum Feignies (Nord), France H Y SLOP, Joseph F. "Dromore," Major's Loan Falkirk, Scotland (J. G. Stein & Co., Ltd.) I IANDER, J. Richard (M) Pacific Coast Ceramic Nevis 509 S. Beverly Dr. Beverly Hills, Calif. ICHIKAW A, Yoshio 229 Valley Ave. __ Wahiawa, Oahu, Hawaii IHRIG, Allen C. (G) 127 Corning Blvd., Corning, N. Y. (Corning Glass Works) ILES, Ramon R. (G) 2223 St. James Ct., Owensboro, Ky. (General Electric Co.) ILIFF, Fred K. (W) Harshaw Chemical Co. Jackson & Swanson Sts. Philadelphia, Pa. ILLING, Amo M. (W) 5412 Laconia, Cincinnati 37, Ohio (Cambridge Tile Mfg. Co.) ' R oster 39 Sp w f i p jJJN O lS CLAY PRODUCTS CO. (Otis L. Jones)' 68 N. Chicago St. Joliet, 111. .jXYN, Alexis V. 183. Bevier Rd., University Heights New Brunswick, N. J. , 'FF, Edward J. (M) luted States Glass Co. Glassport, Pa. jjlMEDIATO, Robert R. (W JI) 662 Ashland St., North Adams, Mass. IMPERIAL c l a s s CORP. . . (C. J. Uhrmann) Bellaire, Ohio | INDIANA GLASS CO. (Charles L. Gaunt) Dunkirk, Ind. INDIAN CERAMIC SOCIETY (H . N. Roy) Dept, of Ceramics Benhres Hindu Uhiv., Benares,.India INDUSTRIAL CERAMIC PRODUCTS, INC. (C. R. Oberst) 965 W . Fifth Ave.,`Columbus 8, Ohio INDYK, Albert D. . . 18 Monterey St. Kogarah, N.S.W., Australia (Ducon Condensers Pty. Ltd.) INGERSOLL, H arry (E ) 5429 N / Tyler Ave.. . ' Temple City, Calif. (Petnco Corp.) INGHAM, David (M) 2794 St. Clair Ave. East Liverpool, Ohio " (H. B. Henderson & Co.) INGOUF, Robert (G) Saint-Gobain Inc., Suite 5200 500 Fifth Ave., New York 36, N. Y. INGRAM-RICHARDSON, INC. (R. H. Coin) Frankfort, Ind. INSLEY, Herbert (BF) 5219 Farrington Rd. . ' Washington 16, D. C. (Consulting Mineralogist) INSLEY, Robert H . (B) Champion Spark Plug Co., Ceramic Diy. \8525 Butler Ave., Detroit 11, Mich. 4 /ERNATIONAL CERAMIC ; M ININ G, LTD . (L. Douglas MacKte) 577 Eglinton Ave., W. Toronto 12, Ont., Canada INTERNATIONAL COMMISSION ON GLASS (B. P. Dudding) Research Laboratories General' Electric Co.,' Ltd. Wembley. Middlesex, England INTERNATIONAL CLAY MACHINERY CO. (R. H . McElroy) 1145 Bolander Ave., Dayton, Ohio INTERNATIONAL M INERALS & CHEMICAL CORP., CONSOLIDATED FELDSPAR DEPT. (H. B. DuBois) Erwin, Tenn. " IRELAND, John International Tin Research Council Fraser Rd. Greenford, Middlesex, England IRONTON F IR E BRICK CO. ; ,(J. H . Rickey, Jr.) Box 124 .Ironton, Ohio IRVINE, George C. (M I) Canadian Carborundum Co., Ltd. Niagara Falls, Ont., Canada IRWIN, Joseph T . (E) 1618 Elmwood Ave., Lakewood 7, Ohio (Consultant) W IN , Philip P. (W ) Potters Supply Co. East Liverpool, Ohio IRWIN, William W. (W ) Potters Supply Co. East Liverpool, Ohio ISAACS, Richard P. (M) 1 78 Elmwood Dr., Livingston, N. J. (Hammill & Gillespie, Inc.) ISAGAWA, Ju n ' Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan |l. 33, No. 10 (1954) ISENHOUR, C. W., Jr. (S) Box 1249, Salisbury, N. C. (Isenhour Brick & Tile Co.) ISENHOUR, John H . (SF) . 215 Confederate Ave., Salisbury, N .'C . ' (Isenhour Brick & Tile Co.) ISOLDI, Virgilio Ceramics Sao Caetano S/A Caixa Postal 278, Sao Paulo, Brazil ITO, Shozo * Nippon Gaishi Kaisha, Ltd. 1, 2-Chome, Horita-dori, Mizuho-ku Nagoya, Japan ITSCHNER, Robert Tannenrauchstrasse 106 Zrich 38, Switzerland ' IVES, John B. (R I) 18 Standish St., Frostburg, Md. (Big Savage Refractories Corp.) J JABBUSCH, Arthur J. (S) Box 218-A, Phnix City, Ala. (Dixie Brick Co., Inc.) JACKEL, Roland D. (X) 2055 Trumbull Terrace, N. W. Washington 11, D. C. . . (Kaiser Electronic Div., ' Willys Motor Co.) ' 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 V ITRIFIED CHINA CO. (Philip R. Distillator) 2 West St. Pelham Manor 65, N. Y. . JACKSON, Wharton (M) Petroleum Bldg., 714 W. Olympic Blvd. Los Angeles 15, Calif. (Wharton Jackson Co.) - ' JACKSON, William M., II (W ) 32 Oaldand St., Watertown, Mass. (Godfrey L. Cabot, Inc.) JACOB, Bernard T. (RI) National Crucible Co.. . Philadelphia 18, Pa.. 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. JACOBSON, Edwin (GJI) CBS-Hytron, Kalamazoo, Mich. JACOBY, William R. . 241 Upson Lane, University- Heights New Brunswick, N. J. JAFFE, Bernard (W I) 1446 Kanawha St., Hyattsville, Md. (National Bureau of Standards) JAMESON, Robert J. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio JAMISON, William D,, Jr. (S) 131 Orchard Spring Rd. Pittsburgh 20, Pa. (D. B. Hendryx & Associates) JANES, Clinton S., Jr. (GJ) 123 Oakwood Ave. Elmira Heights, N. Y. (Coming Glass Works) JANOWITCH, Joseph H. Box 746, Alfred, N. Y. JANSMA, Frank (M) B. F. Drakenfeld & Co., Inc. Washington, Pa. JANSSEN, William F. (M) 15 Oak Ridge Rd., B ak in g Ridge, N. J. (Bell Telephone Labs.) JASPER, Stanley J. ' 439 E. 32nd-St., Paterson, N. J. JEFFERS, Phillip E. (RJ) . Box 125, Gardner, III. JEFFERY , Benjamin A. (W ) Box 32, Tumacacori, Ariz. JEFFREY , G. H. (W ) Roder Ceramic Studio, 1331 Race St. Philadelphia 7, Pa. JEFFRIES, J. J. (G) Swindell Brothers, Inc. Bayard & Russell Sts. Baltimore 30, Md. JELINEK, James W. (I) 1203 Seventh Ave., Marion, la. JENKS, C. E. (M) W. S. Tyler Co. 3615 Superior Ave., N. E. Cleveland 14, Ohio JENNINGS, James W. (E) Quaker Silver Co., Inc. North Attleboro, Mass. JE PPSO N , George N. (R F) Norton Co., Worcester 6, Mass. JEPPSON. John (R) 40 Westwood Dr., Worcester, Mass. (Norton Co.) JERO, Parker (E) 119 Riverview Ct.--CMR 158 Peoria Heights, 111. (Caterpillar Tractor Co.) JIMMERSON, James E. (X) Henderson Clay Products, Box 870 Henderson, Texas JOHNS-MANVILLE SALES CORP. (J. C. Crawford, Jr.) 22 E. 40th St. New York 16, N. Y. JOHNS, William V. (W ) Shenango China Inc.,, New Castle, Pa. JOHNSON, Alexander H. H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth, W est Australia JOHNSON, Alton E. (W I) 4903 N. 53rd St., Milwaukee, Wise. (Globe-Union,. Inc.) ' JOHNSON, A. L. (W F) Universal-Rundle Corp. New Castle, Pa. JOHNSON, A. Mi (R) , Ross-Tacony Crucible Co. Tacony, Philadelphia 35, Pa. JOHNSON, Ben fi ' 804 W. 15th, Spokane 41, Wash. JOHNSON, Boyd M. (R ) ` Carborundum Coi, Box 268 Perth Amboy, N. J. JOHNSON, Dehnar . (G) 94 E. Third St., Coming, N . Y. (Coming Glass W orks) JOHNSON, Earle K. (S) Eureka Brick & Tile Co. Clarksville, Ark. JOHNSON, Elwin L. 903 W. Green St., Urbana, 111. JOHNSON, Fred H., Jr. (S) Summitville, -Ohio (Summitville Tiles Inc.) JOHNSON, George E., Jr. (W I) Gladding, McBean & Co. Pittsburg, Calif. ' JOHNSON, Gordon H . (E ) 5425 Knollwood Dr., Apt. 4 Parma 29, Ohio (Ferro Corp.) s* JOHNSON, Harold 6. (G) Coming Glass Works Laboratory Coming, N. Y. JOHNSON, J. A. . Service Engineers, Ltd., Leek New Rd Cobridge, Burslem Stoke-on-Trent, England JOHNSON, James E. (I) 3173 Herrick Rd., Columbus, Ohio JOHNSON, James R. (B I) 109 Newberry Circle, Oak Ridge, Tenn. (Union Carbide & Carbon) R oster 41 rOHNSON, LeRoy A. (E ) 1 126 Cleveland St.( Evanston, 111. (Chicago Vitreous Corp.) JOHNSON, Paul V. (S ) 1 Structural Clay Products Research Foundation, 20 N. Wacker Dr. Chicago 6, 111. rOHNSON,- Richard C. 4 Perine St., Dansville, N. Y. JOHNSTON, J. G, Leeds Fireclay Co., Ltd. Wortley, Leeds 12, England JOHNSTON, James K. (M) R. R. S, Hagerstown, Md. (Fairchild A ircraft Div.) JOLLEY, Robert W. (R ) 19 Brook St., Newington, Conn. (Hartford-Empire Co.) JONES, Cecil M., II (R ) 2814 Jordan St., Fleming Heights Augusta, Ga. . . (Babcock & Wilcox Co.) JONES. D. J. (E ) Humphryes Mfg. Co. ' 201 E. Fifth St., Mansfield, Ohio JONES, Edgar (R) . 426 .Old Lancaster Rd. Haverford, Pa. (Babcock & Wilcox Co.) JONES, Frank L. (G) . Windsor Rd., Fox Chapel Pittsburgh IS, Pa. (Koppers Co., Inc.) JONES, George A. (G) Box 112, East Sparta, Ohio (U. S. Quarry Tile Co.) 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) 191S0 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, Otis L. (R) Illinois Clay Products Co. .'68 N. Chicago St., Joliet, 111. JONES, Paul R. (X) Mineral Industries Bldg. West Virginia University . . . Morgantown, W. Va. JONES, Richard E. (R) Pittsburgh Plate Glass Co. Research Laboratory, Creighton, Pa. JONES, Robert O. (R) Box 3, Gabbs, Nev. (Standard Slag Co.) . . JONES, L t. Col. Rodney A. (E ) Headquarters ARDC, Box 1395 Baltimore, Md. . JONTZ, Melvin L. (M ) . United Clay Mines Corp. 5028 Alhambra Ave. Los Angeles 32, Calif. JORDAN, John N. (G) Consumers Glass Co. Ltd. Box 456, Station B. Montreal, Que., Canada JORDAN, John W. (M) Baroid Sales Div., National Lead Co. . 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. JORDON, Duane R. 220 Belipont Ave., Oneida, N. Y. sYol. 33, No. 10 (1954) JO SEPH, A. David (B J) Box 3, Alfred, N. Y. (New York State College of Ceramics) JOVA BRICK W ORKS (J. L. Jova) Roseton, N. Y. JOVA, J. L. (S) ' Jova Brick Works, Roseton, N. Y. JOYNER, Bobby L. (W ) 203 Lighthouse St., Erie, Pa. (Erie Resistor Corp.) 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 KALLUP, Charles, Jr. Box 326, Olive Hill, Ky. KALMAN, Frank R. (E l) 2808 Mayfield Rd., Apt. 405 Cleveland Heights 18, Ohio (Pemco Corp.) KALOUSEK, George L. (G) 2633 Merrimac Blvd., Toledo 6, Ohio (Owens-Illinois Glass Co.) KAMICH, Barnet Z. (B) 11 Garwood St., South River, N. J. (Army Ordnance Corps) KANE, John L. (X) 7050 Glen Meadow Lane Cincinnati, Ohio (Cincinnati Milling Machine Co.) KANTNER, Ogden A. (M) R. R. 1, Pennington, N. J. (United Clay Mines Corp.) KARKHANAVALA, M. D. 239, Botawala Bldg., Tardeo Bombay 7, India (Atomic Energy Commission) KAST, Henry G. Box F F, Alfred, N. Y. KASTEN, Vernon L. (W I) Three Oaks, Box 84, Jackson, Mo. (Ceramo Co. Inc.) KATNACK, Fred, Jr. Saw Mill Rd. Cold Spring Harbor, N. Y. KATZ, Joseph M. (W I) General Ceramics Corp. Crows Mill Rd., Keasbey, N. J. KATZ, Sigmund (W ) Orange Ceramic Lab. 17 Kenz Terrace, West Orange, N. J. KAUFFMAN, John R. (MFI) ' Tuttle & Kift, Inc. Subsidiary Ferro Corp. 1823 N. Monitor Ave., Chicago 39, 111. 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. Box 4337, Va. Tech. Sta. Blacksburg, Va. 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, Ohio (Kimble Glass Co.) KEBLER, Leonard (E ) Ward Leonard Electric Co. Mt. Vernon, N. Y. KEENER, Harry J. (G) General Color & Chemical Co., Inc. Box 7, Minerva, Ohio K EITH , Wendell P. (R I) 1234 E. Sixth St., Whittier, Calif. (Calmo Engineering Co.) KELLENBERGER, George E. (G) Niles Glass Works 403 N. Main, Niles, Ohio KELLER, Francis Pfungen, Switzerland (Keller & Cie. A.G.) KELLEY, J. A. (M) Zonolite Co., Travelers Rest, S. C. KELLY, Austin J. (E) 224 Glasgow St., Guelph, Ont., Canada (Guelph Stove Co., Ltd.) KELLY, Hal J. (R) 4714 20th N. E., Seattle 5, Wash. (U . S. Bureau of Mines) KELLY, John V. (R) Kaiser Steel Corp. Box 217, Fontana, Calif. KELLY, William J. (W I) Box 188, Hondo, Texas (Universal-Rundle Corp.) KELSEY, V. V. (MF) Dominion Minerals Div., Riverton Lime & Stone Co., Inc. Piney River, Va. KELSO, M arjorie'P. 2091 California St., Berkeley, Calif. KELTON, Stanton C., Jr. (G) Rohm & Haas Co., Bristol, Pa. KEMP, John A., Jr. (W) 22509 Gaycrest Ave., Torrance, Calif. (American Radiator & Standard Sanitary Corp.) K EM PF, William C. (RI) 28 Homer PI., Metuchen. N. J. (Carborundum Co.) KENAGY, William L. (R I) Huntingdon Valley, Pa. (Simonds Abrasive Co.) KENDRICK, Thoms B. (G) Lancaster Lens Co. 220-226 W. Main St., Lancaster, Ohio KENNEDY, -Richard W . (W ) S tar Porcelain Co. Box 1329, Trenton 7, N. J. K EN T, Joseph P. (W I) 247 Starr St., Brooklyn 37, N. Y. (Leviton Mfg. Co., Inc.) KENT, N. Johnson (RI) Johns-Manville Sales Corp. 22 E. 40th St:, New York 16, N. Y. KENT, William B. (W I) W. S. George Pottery Co. Canonsburg, Pa. KENTUCKY CLAY M INING CO. (W . J. Watkins) Mayfield, Ky. KENTUCKY-TENNESSEE CLAY CO., IN C. (Chester Gulick) 807 City Savings Bldg., Alliance, Ohio KENW ORTH, Orville O. (B) 1486 Arthur Ave., Lakewood 7, Ohio (Ferro Corp.) KENYON, Clark (W ) Frenchtown Porcelain Co. Frenchtown, N. J. KEPKA, George M. (E l) Braun Corp., 2260 E. 15th St. Los Angeles 21, Calif. KEPLINGER, Robert B. (R FI) Carroll Clay Co. Box 56, Carrollton, Ohio KERINS, M. P ,, Jr. (E) Stauffer Chemical Co. 380 Madison Ave., New York, N. Y. KERLA, Hans: (R) 525 Beaumont Ave., Baltimore 12, Md. (Kerloid Corp.) K ERPER, 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, W. Raymond (R FI) Armstrong Cork Co. Box 441, Beaver Falls, Pa. R oster 45 rSHN'ER, William G. (W I) P jl7 S. 14th St., Olean, N. V. /Olean Tile Co.) I ,,ER, H. W. (W) ' I r' 5outhern Potteries, Inc. . gox 279, Erwin, Tenn. ,.,gHL, Harry R. (G) \223 Chemung St., Coming, N. Y. ; (Coming Glass Works) ilESOW, Paul F. (R J) r 2431/ College Ave., Elmira Heights Elmira, N. Y. (Westinghouse Electric Corp.) ` tijGOKE CERAMICS CORP. * ( D . H. Walkup) Box 1619 Kilgore, Texas wjjBLE GLASS CO. (H. R. Black) * "2626 Dorr St., Toledo, Ohio dtfES, A. W. (G) : Notional Glass Budget gOO Grogan Bldg., 541 Wood St. - Pittsburgh 22, Pa. wjiPEL, Robert F. (R) Jr J1J8 N . Alameda Ave., Azusa, Calif. i". (Aerojet General Corp.) flliPTON, Hadley D. (G) 1607 W. Park Ave., Champaign, 111. (Anderson Physical Lab.) * tlNG, Burnham W., Jr. (B FI) . 2564 Welsford Rd., Columbus 21, Ohio (Battelle Memorial Institute) jjlNG, Charles B. (G) . 189 Cedar St., Coming, N. Y. - A (Coming Glass Works) JING; H arry M. (M J) 439 Washington PI., Sycamore, 111. KING, Leon A. (W ) W. Delaware St., Woodbury, N. J. KING, R. M. (E FI) Lord Hall, Ohio State Univ. Columbus 10, Ohio ICING, Robert G. (W ) 143 N. Center St., Grove City, Pa. . (Vitro Mfg. Co.) ~'NG, Walter F . (M ) " ii: ]365 Arborlea .Ave., Morrisville, Pa. /(Shenandoah Silica Co., Inc.) BNGERY, W . D. (B) '---Ceramics Div., Mass. Inst, of Tech, rr? Cambridge, Mass. KINGMAN, W. W. (M) Georgia Pigment Co., Sandersville, Ga. KINSMAN, Bradley Q. (X JI) :-- ;56 Louis Bellanca ; - 59 Bernis 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. Box 213, Pine Grove Mills, Pa. KIRK, Edwin (D) - U. S. National Museum Washington 25, D. C. ft KIRKENDALE, G. A. (SI) Si . Dept, of Ceramic Engineering New York State College of Ceramics I Alfred, N. Y. i l Kir k p a t r ic k , Frank (w f i ) ... 41 Fifth S t, Apt. C ' ' Hermosa Beach, Calif. - (Gladding, McBean & Co.) KIRSCH, Alfred J. (R) . 48 Center St., Homell, N. Y. (Mullite Refractories Co.) KLANE, Frank (G) $ Coming Glass Works, Coming, N. Y. I KLAUS, Irving (W ) 19-B Hawthorne Dr. New Brunswick, N. J. . vitro Corp. of America) - - `US, Sol C., Jr. (W) J0 S. Munn Ave., Apt. 804 East Orange, N. J. (Automatic Mfg. Corp.) '* - 33, N o. 10 (1954) KLAUSMANN, H. (G) Baker & Co., Inc. 113 Astor St., Newark, N. J. KLEEMAN, Lee A. (R) Box 568, New Orleans 7, La. . (Harbison-Walker Refractories Co.) KLEIMAN, Martin M. W. (M) 270 Selkirk Ave. Winnipeg, Man., Canada (Red Devil Heating &'Mfg. Co.) KLEKOTKA, Joseph F. (G) 3601 Reed St., Philadelphia 46, Pa. (Philadelphia Naval Base) ELEV EN S, H. B. (B) Mellon Institute University of Pittsburgh Pittsburgh 13> Pa. KLEYMEYER, Clifford A. (S) Standard Brick & Tile Corp. Evansville 8, Ind. KLIMAN, Morton I. 6 Sutton St., Mattapan 26, Mass. KLINE, Hugh L. (G) Corhart Refractories Co., Inc. 1600 W . Lee St., Louisville 10, Ky. KLINEFELTER, T. A. (MFI) Box 201, Norris, Tenn. (U. S. Bureau of Mines) ' -- K LIPPER , Joseph (X) Clipper Diamond Tool Co., Inc. 21 W. 46th St., New York 36, N. Y. KLOCKE, Edward J. (M) H . C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio KLOCKNER, Herman Richard (E) Research Laboratory Universal-Rundle Corp. New Castle, Pa. KNAPP, Robert C. (W ) 26 Virginia Ave., N. W. Glen Burnie, Md. (Locke Dept., General Electric Co.) KNAPP, Thomas E. (W ) 1314 Wilmington Ave., New Castle, Pa. (Shenango China, Inc.) KNAPP, William J. (BI) Dept, of Engineering University of California Los Angeles 24, Calif. KNAUF, Mr. . Deutsche Keramische Gesellschaft Poppelsdofferallee 15, Bonn, Germany KNAUFT, Robert W. (R) Charles Taylor Sons Co. Box 58, Annex Station Cincinnati 14, Ohio KNECHT, Albert O. (W I) 201 Edgewood Aye., 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 K NIG HT, MAURICE A., " K N IG H T -W A R E " (M. A. Knight, Jr.) Box 111, Akron 9, Ohio KNIGHT, Mellen A. (G) Central Research Dept. Minnesota Mining & Mfg. Co. 367 Grove St., St. Paul 1, 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 Mexicans de Tubos de Albanal, S. A.) KNOBLAUGH, Walter C. (R I) 512 N. Washington St., Tiffin 9, Ohio (Basic Refractories, Inc.) KNOPF, Eugene G. 162 Bevier Rd., New Brunswick, N. J. KNOW LES, EDW IN M., CHINA CO. ' Newell, W. Va. KNOW LES, Philip S. (S) 441 E. Buford Rd., Macon, Ga. (Cherokee Brick & Tile Co.) KNOW LES, William V. (E F ) 8905 Champlain Ave. ~ Niagara Falls, N. Y. KNOW LTON, Samuel H. (M) 610 New Center Bldg., Detroit 2, Mich. (Aluminum Co. of America) KNOX, James J. (G) 5 Meinzer St., Avenel, N. J. (Knox Laboratories, Inc.) KNUDSEN, Friedrich P. (W I) 4912 Crescent S t, Washington 16, D. C. (National Bureau of Standards) KNUDSEN, Rolf Borgestad, P. A., Norway (Borgestad Fabrikker) KNUTSEN, Eivind (R) W estern Refractories Co. Box 169, lone, Calif. KOCH, Daniel O. (M) E. I. du Pont de Nemours & Co., Inc. Electrochemicals D ept 71 Buckingham Ave. Perth Amboy, N. J. KOCH, Frank A. (M ) . National Sales "Corp. 307 E. Fourth St., Cincinnati 2, Ohio KOCH, Renato Direttore Stabilimento Tubi Elettronici Marconi Italiana S.p.A. Via Pile, L'Aquila, Italy KOCH, William J. (W I) P. R. Mallory & Co. E. Washington S t, Indianapolis 6, Ind. KOCHANEK, Michel (X) 1030 Douglas Rd., Lincoln Village Stockton, Calif. KOEHLER, W. A. (R I) . Mineral Industries,Bldg. West Virginia University Morgantown, W. Va. KOENIGi Charles Jacob (W F I) Engr. E x p t Sta., Ohio State University Columbus 10, Ohio KOENIG, E. W. (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Erwin, Tenn. ' KOENIG, John H. (BFI) Rutgers University ' School of Ceramics New Brunswick, N. J. KOHL, Hans Leerbachstr, 117 Frankfurt A. M., Germany (Degussa) KOHLER, A. M. (R) Babcock & Wilcox Co. 161 E. 42nd St., New York 17, N. Y. K O H L E R CO. (G. P. Gavin) Kohler, Wise. KOHMAN, Girard T. (B) 133 Ashland Rd., Summit, N. J. (Bell Telephone Labs.) KOHN, Joseph (W ) Universal Dental Co. 48th & Brown Sts., Philadelphia 39, Pa. KOHNE, Frank H. (W) 1700 Third Ave., New Brighton, Pa. (Ceramic Color & Chemical Mfg. Co.) KOHUT, William 3215 W. 31st St., Cleveland, Ohio KOLFSCHOTEN, H. G. P. Algemene Vereniging voor de Nederlandse Aardewerk en Glas Industrie Haagweg 139, Gijswijk, Netherlands KOMAC, Thomas N. (R) Republic Steel Corp. 6100 Truscon Ave., Cleveland 4, Ohio KONOPICKY, Kamillo Forschungs-Institut Der Feuerfest-Industrie Helmholtzstrasse 25/27 Bonn, (W estern), Germany R oster 47 ;OWITCH,' Gilbert >. (R J) 2003 N. 73rd Court' glmwood Park 35, 111. .'RAD, Howard E. (R) tl Brookside Ave., Apt. 7-B 5oiperville, N. J. (' i-Manville Research Center) I* ' . Cbainotte Unie. N.V. Tielerweg Geldermalsen, Holland )S, E. K. (W I) Sterling China Co. East Liverpool, Ohio ,p GLASS, IN C (C. E. Leberknight) Box 8255 Pittsburgh 18, Pa. ppERS CO., INC. (C. R. Austin) Research Dept. {Coppers Bldg., Pittsburgh 19, Pa. *A, Yosio 2 Chme, Katsuyama-Cho Yahata, Fukuoka, Japan - (Kurosaki Fire Brick Mfg: Co. Ltd.) SHUBA, W alter J. (R ) General Electric Co.--A NP Project Box 132, Cincinnati-15, Ohio WAL, Leo B. (G) Canadian Pittsburgh Industries, Ltd. 60 Blvd. St. Croix Ville St. Laurent, .Que., Canada .WALKA, W arren R. (G) Libbey-Owens-Ford Glass Co. -1701 E. Broadway, Toledo 5, Ohio AFT, c . W.. (S) . Kraftile Co., Niles, Calif. AFT, Donald E. . Co. A, 185th Signal Bn. Camp Polk, La. {AFT, Maurice M. (G) Kraft Chemical Co. 917 W. 18th St., Chicago, 111. {AFT, Ralph G. 4120 N. 135th St., Milwaukee, Wise. BAFTILE CO. (C. W. K raft) S-l! Calif. I aL .Irvin R. (R ) . - j Mercast Corp., 295 Madison Ave. |N e w York 17, N. Y. AMER, William Meigs (G) !AAdamston Flat Glass Co. . VQarksburg,-W. Va. SANER, Hobart M. (B FI) v.Bethlehem Steel Co. s' Bethlehem, Pa. . CREGER, John M. (R) :Valentine Fire Brick Co. I` Div. A. P. Green Co. Woodbridge, N. J. EGLO, James R., Jr. *r 1840 Perry PI., Jacksonville, Fla. ttHHBIEL,. Frederick H . (W ) '. Accurate Pyromtrie Cone Co. ; Pataskala, Ohio ^ H B IE L , H. Orton (D) i Accurate Pyromtrie Cone Co. SpPataskala, Ohio gEIDL, E. L. (G) R A D. Little, Inc. Memorial Dr., Cambridge, Mass. |ID L, Norbert J. (GF) |A0 Milford Rd,, Rochester 10, N. Y. :(Bausch & Lomb Optical Co.) ETSCHMAR, Ernest (G) P1 Si'Meramec Ave., Qayton 5, Mo. HEleetro-Phos. Slag Co.) 5ER, Albert L. (M ) ."refraction, Inc., 7425 Thomas St. ^Pittsburgh 8, Pa. ^G E L , W. Wurth (XFI) e sl\framic Engineering Dept. . ' State College, Raleigh, N. C. Frederick S. (G) Second St., Corning, N. Y. ' 'Corning Glass Works) r nt KSatralteEU- n(iv'.), Res. Foundation |4>lumbus 10, Ohio No. .10 (1954) KRISHNA MURTHY, M. No. 1 Sri Krishna Rao Rd. Basavana Gudi, Bangalore, India KROCHMAL, Jerome J. 4540 Brenau Ave., Dayton 9, Ohio KROECK, William H. (G) Corning Glass Works Box 544, Coming, N. Y. KROGSTIE, Lars Bernhard Fredrikstad, Norway (Norsk Tekriisk Porselenfabrikk) KRONMAN, Samuel J. (W I) Carteret China Co. High St., Carteret, N. J. KROSCH, Donald K. (E ) Solaramic Dept., Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. KRUESI, John (W) American Lava Corp. Chattanooga 5, Tenn. KRULL, Alan R. (D) Technological Institute Library Northwestern University Evanston, 111. KRUSON, Joseph H. (R ) - 79 W. Main St., Frostburg, Md. (Big Savage Refractories Co.) KUECHLER, A. H. (R I) 1210 Lane Ave., Phoenixville, Pa. (A. P. de Sanno & Son, Inc.) KULCSAR, Frank (W) Brush Labs. Co. 540 E. 105th St., Cleveland 8, Ohio KUNZMAN, Edward E. (W I) 9185 E. Jaylee Dr. Temple City, Calif. (B. F. Wagner & Co.) KURKJIAN, Charles R. Graduate House Massachusetts Institute of Technology Cambridge 39, Mass. KURTZ, Peter, Jr. 20010 W. Pacific Coast Highway Malibu, 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. (W I) 1302 Jewel Court Madison 3, Wise. (Ceramic Arts Studio) L LABORATORIO QUIMICO NACIONAL (Jorge Ancizar-Sordo) Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia LACHMAN, Irwin M. (I) Apt. B, 1136 Neil Ave. Columbus 1, Ohio LACLEDE-CHRISTY CO. (L. C. Hewitt) 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. (M) 42 Huntington Rd., Newton 58, Mass. (Consulting Engineer) LAFLEUR, Jacques (M) Department of Education Ave Magloire Ambroise 179 Port-au-Prince, Haiti LAFORGE, Louis H., Jr. (R) Eitel-McCullough, Inc. 798 San Mateo Ave., San Bruno, Calif. LAING, Kenneth M. (G) Glass Research Laboratories Pittsburgh Plate Glass Co: Creighton, Pa. LAIRD, Charles (S I) Malvern Brick & Tile Co. Box 355, Malvern, Ark. LAIRD, Edward W. (S) 7 Circle Dr., Malvern, Ark. (Malvern Brick & Tile Co.) LAIRD, Robert K. (E) American Radiator & Standard Sanitary Corp., Plumbing Div. 834 E. Broadway, Louisville 4, Ky. LaMAIRE, Robert V. (R JI) R.R. 3, Plainfield, N. J. (International Nickel Co., Inc.) LAMB, Hal (M) Braun Corp. 2260 E. 15th St., Los Angeles 21, Calif. LAMBE, C. M. (M I) ' . United States Gypsum Co. 300 W . Adams St., Chicago 6, 111. LAMBERT, Joseph M. (G) Mellon Institute, Pittsburgh 13, Pa. LAMBERTSON, Wingate A. (BI) Institute of Silicate Research University o f`Toledo. Toledo 6, Ohio LAMBIE, J. M. (R) Findlay Clay Products Co. Washington, Pa. LANDBACK, Charles R. (W ) Taylor, Smith & Taylor Co. Chester, W . Va. LANE, George J. (M) Edgar Plastic Kaolin Co. Edgar, Fla. LANE, Richard O. (GI) 878 White Lake Rd. Munith, R.R. 1, Mich. (Macklin Co.) LANG, George F. (G) ' Carr-Lowrey Glass Co. Box 356, Baltimore 3, M d., LANG, Richard L. (W ) Ohio Fuel Gas Co. 17 N. Fourth S t, Zanesville, Ohio LANG, S. M. (W ) 9718 Braddock Rd., Oakview Silver Spring, Md. (National Bureau of Standards) LANG, Samuel G. (E ) 3534 Spring View Dr. Cincinnati 26, Ohio (Fusite Corp.) LANGE, James M. (R) Bethlehem Steel Co., Bethlehem, Pa. LANGE, Louis A. (M) Industrial Heat Control Products 641 Hawthorne Ave. South Milwaukee, Wise. LANGROD, Kasimir (W ) 462 Locust Terr. West Hempstead, N. Y. (Page-Madden Co., Inc.) LANGSTON, Robert B. Div. of Mineral Technology, University of California, Berkeley 4, Calif. LANIER, William S. (R) Babcock & Wilcox Co. Old Savannah Rd., Augusta, Ga. LANNES, Eugene M. (W I) 624 N. Main St., Fostoria, Ohio (Richard C. Remmey Son Co.) LAPP, Grover W. (M F) , Lapp Engineering Co. - 68 W. Main St., Le Roy, N. Y. LAPP INSULATOR CO., INC. (K. E. Stettinius) Le Roy, N. Y. . LAPP, William A. (S) Lapp Engineering Co. 68 W . Main St., Le Roy, N. Y. LARISCH, Herbert W. (EJ) 46 Fairview Ave., Valley Stream, N. Y. (Seaporcel Metals, Inc.) LARKIN, Paul G. (D ) Larkin Tile Co. 1651 Pomona Ave., San Jose 10, Calif. LaROCCA; Frank J. (R ) Colorado Fuel & Iron Corp. Box 316, Pueblo, Colo. Roster 49 Paul F. (W ) LEE, James A. (S) LETORT, Marc Yves l'j86`6 Norman Ave., N. W. 1328 Candler Bldg., Atlanta ' 3, Ga. Centre National d'Etudes et Cariton 9, Ohio (Southern Brick & Recherches Cramiques (Sparta Ceramic.Corp.) - Tile Manufacturers Association) 3 Avenue Paul Doumer .gSMAN, Benjamin (M) LEE, P. William (B I) Paris 16, France V' genjamin Lassman & Son 205 Elmwood Blvd., York, Pa. LEVENGOOD, William C. (G) R R. 8, Glenshaw, Pa. . (Dentist's Supply Co. of New York) 4473--289th St., Toledo, Ohio .fCHFORD MARBLE GLASS CO. LEES, Arch A. (R) (Libbey-Owens-Ford Glass Co.) T (C. L. Dillon) Box 71707 411 Avon Dr., Pittsburgh 16, Pa. LEVI, Ormonde S. (G) Los Angeles 1,-Calif. . (Carborundum Co.) Verd-A-Ray Corp. .TIMER, Glen H. (R) _ LEFFORGE, J . W. (R) 615 Front St., Toledo 5, Ohio b" 202 Hancock Ave., Norristown, Pa. Monsanto Chemical Co. . LEVIN, Ernest M. (B) (E. J. Lavino & Co.) Everett Station, Boston 49, Mass. National Bureau of Standards TIMER, Horace L. (E l) LEFORT, Henry G., Jr. (E JI) Div. 9.7, Washington 25, D. C. b" gox 282, West Lafayette, Ohio Box 134, R.R. 1, Upper Marlboro, Md. LEVY, Dorothy (D) (Moore Enameling & Mfg. Co.) (National Bureau of Standards) 1212 Lincoln Ave., Highland Park, 111. f TIMER, Trent W. LE HERON, Harold * LEW IS, Albert D. (G) I b* 104 16th Ave., Columbus 1, Ohio Etablissements Porcher Kimble Glass Co., Vineland, N. J. , TTIN, Judson M. (R) Usines de Revin, Ardennes, France LEW IS, Charles F. (R) b* 6916 S. Clyde Ave., Apt. 402 LEIBIG, Edward C. (G) Volunteer Portland Cement Co. Chicago 49, 111. Corning Glass Works, Corning, N.- Y. Knoxville, Tenn. (International-Harvester Co.) LEIBSON, J. S. (W I) LEW IS, Gordon E. (SI) iGHLIN, HOMER, CHINA CO. Locke Dept., General Electric Co. Glen-Gery Shale Brick Corp. ** (J. M. Wells) Newell, W . Va. jaURIE, Dominic (R I) Titanium Alloy Div., National Lead Co. Schenectady 5, N. Y. LEIGHTON, M. M. (X F) State Geological Survey Box 182, Wyomissing, Pa. LEW IS, Howard S. (M) Wahpeton Pottery Co., Wahpeton, N. D. Niagara Falls,' N.'Y.. 121 Natural Resources Bldg. LEW IS, J. H. (G) VVLESS,'Emmett A., Jr. (S) Urbana, 111. Blue Ridge Glass Corp. Alton Brick Co., Alton, 111. LEIPOLD, Martin H,, Jr. Kingsport, Tenn. jAWRENCE, Howard O. (W ) 428 Seventh St., Fairview, N. J. LEWIS, J. M. (W) Industrial Ceramics Ltd. Cooksville, Ont., Canada LAWRENCE, Ralph V. (R) LEITTEN, Cari F. (R) 50 Hawkins Ave., Hamburg, N. Y. (Electro Refractories Abingdon Potteries, Inc. Abingdon, 111. LEW IS, Robert T. !.. 145 Leonard Dr., Concord, Calif. . (Gladding, McBean & Co.) . LAWRENCE, W alter F-, Jr. (W I) 141 Morningside Rd., Verona, N. J. (RCA Victor) LAWRENCE, W illis G. (B) New York State College of Ceramics Alfred, N. Y. LAWSON, Louis, J r . (W ) West Virginia Pulp & Paper o. Development Dept., Charleston, S. C. 1AWSON, Robert W. (M) - v Box 369, Erwin, Tenn. i (Consolidated Feldspar, Dept. . International Minerals & Chemical Corp.) LAXTON," Wilbur (G) ;;; 126 Market St., Zanesville, Ohio (Hazel-Atlas'Glass Co.) IAYNE, Fred A. (W) Louthan Mfg. Co. East Liverpool, Ohio LAYTON, Donald R. RR. 1, Brockway, Pa. LEA. A. C. ' United Insulator Co. Ltd. Oakcroft Rd. Tolworth, Surrey, England LEANDER, Karl Johan Langgat, 19, Hoganas, Sweden (Hoganas-Billesholms AB) hEAD IN D U STRIES ASSOCIATION (Robert L. Ziegfeld) 420 Lexington Ave. New York 17, N. Y. bE BELL, Rolf Casimir Pargas Kalkbergs Aktiebolag ABO Kakelfabrik . Slottsgatan 52, ABO, Finland & 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. Qeveland 14, Ohio LeMUNYON, James S. (E ) 250 Wayne St., Mansfield, Ohio (Tappan Stove Co.) LENNON, John W. (W ) Battelle Memorial Institute 505 King Ave., Columbus, Ohio LENTZ, Carence J. (X) Quebec Iron & Titanium Corp. Box 40, Sorel, Que., Canada LENZ, Vernon W. (G) 6123 Carew St., Bellaire, Texas LEONARD, Jean (W ) 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 PL, Ashland, Ky. (Carlyle Tile Co.) Box 165, Alfred, N. Y. LEWIS, Wager (W) H artford Faience Co. 271 Hamilton St., Hartford 6, Conn. LEW IS, William C. (G) Big Flats, N. Y. (Coming Glass Works) LIBBEY-OW ENS-FORD GLASS CO. (George B. Watkins) 17,01 E. Broadway Toledo, Ohio LIBERATORE, Laurence C. (G) Taylor Instrument Co. 95 Ames St., Rochester, N. Y. LIEBENBERG, Sarel J. Katinka Tiles (Pty.) Ltd. Box 652, Vereeniging Transvaal, South Africa LIEDER, Phillip H . (R) . 2600 Dogwood Lane, Norristown, Pa. (E. J. Lavino & Co.) LIEDERBACH, William H. (W I) 382 Lower Alden Dr., Rahway, N. J. (E. I. du Pont de Nemours & Co., Inc.) LIGON, Elmer R. (S) W . S. Dickey Clay Mfg. Co. Box 402, Pittsburg, Kansas LILLIE, Howard R. (GF) 191 Delevan Ave., Coming, N. Y. (Coming Glass Works) LIMES, Robert W. (RI) Mellon Institute, Pittsburgh 13, Pa. LINCOLN, Claire (S) Orange County Tile Co. Box 9, Huntington Beach, Calif. LINDENTHAL, John (EJ) Box K, Lakehurst, N. J. ' LINDER, Cyril S. (E) 1139 Park St., Tarentum, Pa. (Pittsburgh Plate Glass Co.) JEBERKNIGHT, C. E. (GF) I Kopp Glass, Inc. . t ; Box 8255, Pittsburgh 18, Pa. .-.LEDDY, Robert M. (SI) * Box 128, Hammonton, N. J. (Alliance Clay Product Co.) `SDpiGT, Guy Socit Professionnelle Des Produits franais De Terre Cuite ^3, rue de Crcmstadt , Paris XV, France ,E CLAY PRODUCTS, CO., INC. .( M a r tin S. Bowne) Clearfield, Ky. I- 1S. Harley C. (RF) "asic Refractories, Inc. Hanna Bldg., Qeveland 15, Ohio LESAR, Albert R. (A I) 509 Woodlawn, Mexico, Mo. (A. P. Green Fire Brick Co.) LESSO. Harold F. (R) 631 Beechmont Dr. Dearborn Hills, Mich. (Great Lakes Steel Corp.) LESTER, Ronald H. (I) 3811 Garrison Blvd. Baltimore 15, Md. LESTER, W. Ronald (GF) Liberty Glass Co. Sapulpa, Okla. LESZL, Matthias "Smalteria e Metallurgica Veneta" Bassano del Grappa, Italy LINDQUIST, C. Alan, Jr. (W I) 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. (R) 1025 S. Olive St., Mexico, Mo. (Mexico Refractories Co.) LINKHORN, William H . (W ) 428 S. Western, Kokomo, Ind. (American Radiator & Standard Sanitary Corp.) LINTZ, E. H. (W FI) 42 Heiskell Ave., Wheeling, W . Va. (Wheeling Tile Co.) 1* 33, No. 10 (1954) R oster 51 ..jVVOOD, Sidney H . (W ) l ' 1 cSutacckkppole Carbon Co.., St. Marys, Pa. Arthur (E) h* Climax ' Molybdenum Co. 00 Fifth Ave., New York 36, N. Y. , rTHlUM CORP. O F AMERICA, INC. k Walter M. Fenton) 2S60 Rand Tower Minneapolis 2, Minn. ,LE, John M. (S) k Taylor Clay Products Co. Box 1128, Salisbury, N. C. . jTTLETON, Joseph C. (G) * 231 Delevan Ave., Corning, N. Y. (Corning Glass Works) , jfTLETON, J. T. (Honorary, GF) *' Corning Glass Works, Corning, N. Y. jVINGSTON, Charles Q. (R) * Armstrong Cork Co., "Lancaster, Pa. 1iVOVICH, Andrew F. (R ) * 337 N. Virginia Ave., Hobart, Ind. (Universal Atlas Cement Co.) .1, & L MANUFACTURING CO. j" (Joseph Freeman) 136 Eighth St. it Upland, Chester, Pa. f' jj^OYX), Katherine M". (R ) ti Kaiser Aluminum. & Chemical Corp. 1924 Broadway, Oakland, Calif. i 0, Wing-Cheuk . : 1531 E. 61st St., Chicago 37, 111. rOBAUGH, Frank E. (R I) 1 1052 Sherman Ave., Plainfield, N. J. (Universal Atlas Cement Co.) XCHRIDGE, James F. (E ) it .Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio Locke--See General Electric Co. LOGAN CLAY PRODUCTS CO. (Barton A. Holl) Logan, Ohio tONDEREE, Joseph W., Jr. (B) 3918 W arner Ave., Louisville, Ky. (Corhart Refractories Co.) LONG, Bernard Glaces de Boussois 22, Boulevard Malesherbes Otaris 8, France . ) George R. (E ) t; Vigidaire Div., General Motors Corp. f: Dayton 1, Ohio IJ.0NG, Jojm V. (G) " . Solar Aircraft Co. 2200 Pacific Highway . - San Diego 12, Calif. LONG, Luther L. (G) ` :.= Owens-Corning Fiberglas Corp. 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. (R I) Brush Beryllium Co. 4301 Perkins Ave., Cleveland 3, Ohio LONGENECKER, Robert J. (GJ) 46 James Rd.., Broomall, Pa. f (Foote Mineral Co.) L0NGFRITZ, Robert K. (R I) I" Brighton Brick Co. . Box 256, New Brighton, Pa. ,L0NGINO, Ted E. (W ) . Frankoma Pottery, Sapulpa, Okla. ^NOWELL, Burton (E ) . p : Republic Steel Corp. i" ' 1423 Republic Bldg., Cleveland 1, Ohio U)REY, Frederick D. (GI) > 857 Chestnut St., Parkersburg, W. Va. W (Corning Glass Works) ^ REY, G. Edwin fe. Ceramic Dept., Rutgers University "jn,Jew Brunswick, N. J. ^ UniN, R. H. (W I) $ Fean Chemical Co. Jland I)ldg., 101 Prospect Ave. N. W. ta ,Cleveland 15, Ohio CHRIDGE, Frederick A. (G> 1 ^ 2 Norwood Ave., Manchester, Mass. JSylvania Electric Products, Inc.) 3, N o. 10 (1954) LOUTHAN MANUFACTURING CO. (C. W . Gerster) East Liverpool, Ohio LOVE, L. G. (G) National Lime & Stone Co. First National Bldg., Findlay, Ohio LOVELAND, Edward W. (G) 27 Llanfair Rd., Ardmore, Pa. (Ross & Cadwallader, Inc.) LOVENBACH, J. Glaceries de Saint Roch S. A. 50, rue du Luxembourg Brussels, Belgium LOWE, Earl C. (S I) 45 S. Culver St., Logan, Ohio (Straitsville Brick Co.) LOWE. Edwin C. (R J) 2394 Murray St. Niagara Falls, Ont., Canada (Norton Co.) LOWE, George K. (R I) Charles Taylor Sons Co. Heights-Rockefeller Bldg., Rm. 210 Mayfield at Lee, Cleveland 18, Ohio LOW ER, Clarence G. (S) New Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LOW ER, Lloyd C. (S) 227 Washington St. New Bethlehem, Pa. (New Bethlehem Tile Co.) 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). 4 Penn View Dr. Monroeville, R. R. 2, Pitcairn, 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. (W I) Star Porcelain Co. Muirhead Ave., Trenton 9, N. J. LULL, Stanley E. (R) 6 Oberlin St., Worcester 10, Mass. (Bay State Abrasive Products, Inc.) LUNAK, Thomas E. (W I) Globe Union, Inc. 900 E. Keefe, Milwaukee 1, Wise. LUND, H. Howard (SJ) 44 S. Elmwood Ave., Palatine, 111. (Northwestern Terra Cotta Corp.) LUND, L. Howard (SJ) 1310 Chicago Ave., Evanston, 111. (Central Commercial Co.) LUND, Melvin S. (W ) 426 E . State St., Alliance, Ohio (Colonial Insulator Co.) LUND, Val J. 761 Emerson Ave., Salt Lake City, Utah LUSHER, Gerald H. (R) Norton Co., 3859 Homewood Rd. Cincinnati 27, Ohio LUTTON, X. W. (W) Frazeysburg Rd., R. R. 1 Zanesville, Ohio (National Plumbing Pottery, Inc.) LYLE, Aaron K. (GF) 21 Cumberland Rd. West Hartford 7, Conn. (Hartford-Empire Co., Div. Emhart Mfg. Co.) LYNCH, Eugene D. (W) Dept, of Ceramic Engineering 204 Ceramics Bldg., Urbana, 111. (University of Illinois) LYNCH, James F. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio LYNCH, John F. (W) Lindberg Engineering Co. 2450 Hubbard St., Chicago, 111. LYNSAVAGE, Walter F. (G) 305 Arnold Ave., Port Allegany, Pa. (Pittsburgh Corning Corp.) LYON, John B. (S) 6 Circle D r., Malvern, Ark. (Acme Brick Co.) LYON, Kenneth C. (GF) Indiana Glass Co., Dunkirk, Ind. LYONS, Clifford T. (W ) 3930 Edenhurst Ave. Los Angeles 39, Calif. (Western Talc Co.) LYONS, Edward J. 1289 Cahaba Dr., Atlanta, Ga. LYONS, S. C. (M) Georgia Kaolin Co. Dry Branch, Ga. LYTLE, Jack A. (W I) 1026 E. Lyon, Apt. 3 ' Milwaukee 2, Wise. (Allen-Bradley Co.) LYTLE, W, O. (G) Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. LYTTLE, Frobisher T. (W) 1031 Findley Ave., Zanesville, Ohio (Mosaic Tile Co.) Me McADOO, Don Parker (W ) J. M. Huber Corp., 100 P ark Ave. New York 17, N. Y. McALLISTER, Christopher (GI) Box 281, Clarksburg, W . Va. (Pittsburgh Plate Glass Co.) McALPINE, Kenneth B. (G) 1201 Union Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) McASKILL, James I. (W ) 311 King St., W. Kingston, Ont., Canada (Frontenac Floor & Wall Tile Co., Ltd.) McAULEY, James W . (G) 2334 Sherwood Rd., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) McBRIDE, P. B. (E ) Porcelain Metals Corp. 1400 S. 13th St., Louisville 10, Ky. McBURNEY, John W. (SF) 1543 N. Falkland Lane Silver Spring, Md. (National Bureau of Standards) McCAMMON, James W . (M) Dept, of Mines, Parliament Bldgs. Victoria, B. C., Canada McCANDLESS, Lyon (G) Frazier-Simplex International Corp. 420 Madison Ave., New York 17, N. Y. McCANN, D. M. (W I) Akron Porcelain Co., Akron 14, Ohio McCANN, Sidney W . (E l) Pfaudler Co. 1000 W est 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.) McCl e l l a n d , Roland h . (wi) Globe-Union Inc. 900 E. Keefe Ave., Milwaukee, Wise. McCLURE, Howard C. (R) 1808 Hutchins St., Portsmouth, Ohio (Davis Fire Brick Co.) McCOLLOM, Perry C. (R I) American Refractories & Crucible Co. North Haven, Conn. R oster 53 lieCOMAS, Clarence B. (G) McHOSE, M. M,, Jr. (M) McMULLEN, John C. (R) 14 T. C. Wheaton Co., Millville, N. J. L. H. McHose, Inc. 9325 Rivershore Dr. . qN N E L L / CUfford T. Box 47, Perth Amboy, N. J. Niagara Falls, N. Y. ** Bt>x 2161, Georgia Tech., Atlanta, Ga. McINTOSH, Harold W. (G) (Carborundum Co.) ^CONNELL, G. F. (W ) American Window Glass Co. McMURDIE, Howard F. (BF) " Mosaic Tile Co., Zanesville, Ohio 9 W. Park Way, Pittsburgh 12, Pa. National Bureau of Standards i/cCORMICK, John M. (G) McINTOSH, William A. (S) Washington 25, D. C. 41 2356 Cheltenham Rd., Toledo 6, Ohio West Virginia Pulp & Paper Co. McMURTRY, Carl H. . (Owens-Illinois Glass Co.) Polychemicals Div. Box 255, Alfred, N. Y. UcCORMICK; Stewart W. (R) Charleston 4, S. C. McNAMARA, E. P. (W FI) " Corhart Refractories Co. McINTYRE, G. H . (E F I) Cambridge Tile Mfg. Co. 1600 W. Lee St., Lousiville, Ky. iltCOY, NELSON, POTTERY CO. Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio Box 71, Cincinnati 15, Ohio McNAUGHTON, Ronald R. (B) " (Nelson McCoy Melick) Roseville, Ohio McKAIG, W. Wallace (R ) Central Technical Library vtcCOY, William (M) 1219 24th.St., N.E., Canton 4, Ohio (American Encaustic Tiling Co.) Cumberland Steel Co., Cumberland, Md. McKEAND, Irvin J. Minneapolis-Honeywell Regulator Co. Consolidated Mining & Smelting Co. of Canada, Ltd., Trail, B. C., Canada jIcCREERY, George L. (W) 393 Highland Ave., Wadsworth, Ohio Research Center 500 Washington Ave. S. McNEILLY, Clyde, Jr. Box 827, Alfred, N. Y. (Ohio Brass Co.) Hopkins, Minn. McPHAIL, Dan (R) ucCREIGHT, D. O. (R) IS Willow Terrace Dr., R.R. 2, Box 290 McKEEN, Richard D. (M l) 2648 Robinson Blvd. American Clay Forming Co. Tyler, Texas Library, Pa. Pittsburgh 21, Pa. McQUARRIE, Malcolm C. (B) (Harbison-Walker Refractories Co.) (Swindell-Dressler Corp.) 105 E. Nittany Ave., State College, Pa. IfcCREIGHT, Louis R. (R) R.R. 1, 67 Hillandale Dr. McKENDRICK, Alexander Glenboig Union Fire Clay Co., Ltd. (Pennsylvania State University) . McRITCHIE, Frank H. (S) ' Ballston Lake, N. Y.. . - Glenboig, Lanarkshire, Scotland Mellon Institute, Pittsburgh, Pa. (General Electric Cp.) McKENNA, John F. McVAY, T. N. (X FI) . <! jfcDANEL, Donald W- (W ) McDanel Refractory Porcelain Co. 95-20 240th St. 10 Oakwood Court, Tuscaloosa, Ala. (University of Alabama) Beaver Falls, Pa. JfcDANEL, Melvin W. (R) Bellerose 26, N. Y. McKEOWN, J. Duncan (R) McWALTER, H. G. (R) 731 Forrest Ave., Jenkintown, Pa. R.R. 3, Beaver Falls, Pa. (McDanel Refractory Porcelain Co.) Carborundum Co. 601 American Bldg., Cincinnati 2, Ohio (Laclede-Christy Co.) McW i l l i a m s , Robert j . (E i) :T: jfcDANIEL, L. L. (R) Phelps Dodge Corp. McKEOWN, Thomas H. (M) Box 31, Metuchen, N. J. Pfaudler Co. (Elyria Div.) Taylor St., Elyria, Ohio Morenci Branch, Morenci, Ariz. (E. I. du Pont de Nemours & Co., Inc.) jfcDERMOTT, James J., Jr. (G) McKIBBEN, Burt H. (E) 136 William St., New York 38, N. Y. Niles Rolling Mill Div., M (Owens-Illinois Glass Co.) Sharon Steel Corp., Niles, Ohio MacALPINE, William M. (X) McDo n a l d , e . f . ( e i ) Ingram-Richardson Mfg. Co. McKINLEY, Theodore D. (E) E. I. du Pont de Nemours & Co. 357 E. Main St., Somerville, N. J. (Johns-Manville Research Laboratory) Beaver Falls, Pa. McDONALD, Howard A. (B) Newport, Del. McKINNIE, J. R. (R) MacDONALD, James E. (R) 237S Minor Ave., N., Seattle, Wash. 3813 Hoke Ave., Culver City, Calif. McFeely Brick Co., Latrobe, Pa. (Penberthy Instrument Co.) (Ideal Chemical Products, Inc.) MacDONALD, R. W . (W I) TcDOUGAL, Taine G. (W FI) McKINNIS, Charles L. (I) 109 Bent Oak Dr., Shavano Park : 1117 South D r., Flint 3, Mich. ' and H a'penny House Midwest Research Institute Box 661, R.R. 11, San Antonio, Texas (Aztec Ceramics,, Inc.) v Somerset Bridge, Bermuda 4049 Pennsylvania Ave. Kansas City 11, Mo. MacINTYRE, Donald J. (W ) , McDOWELL, J. Spotts (RF) : 4716 Bayard S t, Pittsburgh 13, Pa. McKINSTRY, Herbert A. R. R., Pifford, N. Y. (Lapp Insulator Co., Inc.) (Harbison-Walker Refractories. Co.) Box 391, State College, Pa. MACKASEK, Edward (E) McDOWELL, Samuel J. (BFI) McLACHLAN, Eugene K. (R) Porcelain Enamel Institute 52 Elm Ave., Metuchen, N. J. Mellon Court, Westmont, Johnstown, Pa. Dupont Circle Bldg. (American Lava Corp.) (Bethlehem Steel Co.) 1346 Connecticut Ave., N.W. McELRQY,' R. H . (M I) McLAIN F IR E BRICK CO., Washington 6, D. C. International Clay Machinery Co. DIV. O F H . K. PO R T E R CO., INC. MACKENZIE, James l . 1145 Bolander Ave.. Davton, Ohio (Lawson E. Mason) United Steel Companies Ltd. i McEVOY, Robert J. (R I) Engineering Div. Ceramic Engineering Dept. Wellsville, Ohio Research & Development Dept. Swinden House, Moorgate Owens-Coming Fiberglas McLANE, James P. (M) Rotherham, England Newark, Ohio Diamond Pottery Corp. MacKENZIE, James T. (R) McFARLAND, James E. (E) 50--56 China St., Crooksville, Ohio Box 2603, Birmingham 2, Ala. 14025 Greenbay Ave., Chicago 33, 111. McLAREN, Henry D. (E ) . (American Cast Iron Pipe Co.) (Inland Steel Co.) Ferro Enamels (Canada) Ltd. MacKIE, L. Douglas (E) McGEAN, Ralph L. (E) Box 37, Oakville, Ont., Canada International Ceramic Mining, Ltd. Midland Bldg., 101 Prospect Ave., N.W. McLAREN, John (M) 577 Eglinton Ave., W. Cleveland 15, Ohio . Broadview Circle, East Liverpool, Ohio Toronto, Ont., Canada (McGean Chemical Co.) McGEE, Thomas D. (R I) (Sales Representative) ` McLAREN. Malcolm G. MacLEOD, John United Fireclay Products, Ltd. Research Laboratory . 7 Boileau Ave., Easton, Pa. Bathville Office A. P. Green Fire Brick Co. McLAUGHLIN, John L. (E) Armadale, West Lothian, Scotland . ; Mexico, Mo. 564 S. Craig PL, Lombard, 111. MacPHERSON, Charles R. (G) McGil l , William M. (S) Virginia Geological Survey (Finish Magazine) McLAUGHLIN, Joseph K. (W I) Owens-Coming Fiberglas Corp. Fairfax Industrial District : Box 1428, University Station Charlottesville, Va. Red Wing Potteries, Inc. Red Wing, Minii. Kansas City, Kansas MacRAE, John (G) McGOHAN, G. William (E) Armco Steel Corp., Middletown, Ohio McLAUGHLIN, William H. (R) Fiberglas Canada Ltd. cGOLPIN, William C. (S) . Alsey Brick & Tile Co., Alsey, 111. Box 309, Guelph, Ont., Canada Rm. 403, 57 Bloor St., W. McMAHON, John F. (X FI) MAC ZURA, George (R JI) , Toronto 5, Ont., Canada Alfred, N. Y. 1913 Magdalena Ave. . McGRAW, Delford A. (G) (New York State College of Ceramics) East St. Louis,- 111. ' 4101 Garden Park Dr., Toledo 13, Ohio McMAHON, John F., Jr. (GJ) (Alcoa Research Laboratories) ! (Owens-Illinois Glass Co.) Apt. H-4, Oakwood Gardens Apts. MADDEN, Jesse F. (W ) -Ho s e , l . h ., in c . Lansdale, Pa. Page-Madden Co., Inc. (M. M. McHose, Jr.) Box 47 McMASTER, Harold A. (G) 76-96 Second St., Box 110 Perth Amboy, N. J. Permaglas, Inc., Genoa, Ohio Minela, N. Y. I V 33, No. 10 (1954) R oster 55 jM DDEN, Robert C. (R) '315 Pim' St. Sault Ste. Ma,rie, Ont., Canada (Algoma Steel Corp., Ltd.) jjADDOCK, A. M. (W ) R. R., Washington Crossing, N. J. (American Radiator & ' Standard Sanitary Corp.) ijADSEN, Leif Egil Box 4208,'Sandakervn 109/111 Oslo, Norway (A /S Den Norske Slipeskivefabr.) JJAGIC C H EF, INC. (A rthur Stockstrom) 1641 S. Kingshighway St. Louis 10, Mo. jAGID, H. S. (W I) American Radiator & Standard Sanitary Corp., Box 907 Trenton 5, N. J. jAGNUSON, J. W. (M) Western Feldspar Milling Co. Box 671, Salida, Colo. ' ' jAHESHWARY, Ved P. . Govt. Central Pottery Agency Sonepaf. Punjab, India CAHIER, Lois W. (D ) 4535 Harding Blvd., Baton Rouge, La. MAHONEY. Frank B. (E) Richmond Radiator Co. Box 111, Metuchen, N. J. jiAHURIN, Frank R. (R) 638 Clower St., San Antonio, T exas. JIAIOR, 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. (W ) 115 Knox St., R. R. 1 Bridgeville, Pa. (O. Hommel Co.) MALINOWSKI, Theodore P. (R) Monsanto Chemical Co. Product Development Dept. Springfield 2, Mass. } MALKIN, W . R. (W ) B. F. Drakenfeld & Co., Inc. Box 267, East Liverpool, Ohio -MALM, Arthur T. (R I) - 233 Beverly Rd., Worcester 5, Mass. MANDEL, Charles J. (W I) 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. (Corning Glass Works) MANNING, R. Douglas (D ) Harker ' Pottery Co. East Liverpool, Ohio MANOUSEK, Miloslav Jatecni 23, Praha V II, Czechoslovakia MANRING, Jack C. (S JI) R.R. 1, South Charleston, Ohio (Westinghouse Electric Corp.) MANRING, Wiliam H. (G) Calumite Co. Box 151, Hamilton, Ohio MANSFIELD SANITARY . POTTERY, INC. (Perry E. Draper) i-:- Perrysville, Ohio ; -MANZ, Oscar E. (S) : Box 516, University Station ' ; Grand Forks, N. D. (University of North Dakota) Ma r c h , 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) - Ma r c u s , Leon u ) ! 519-B Tulip Rd., State College, Pa. h t . 33, No. 10 (1954) MARGOLIS, David (W ) 16 Winchester Ave., Yonkers 2, N. Y. (Fish-Schurman Corp.) MARK, Stanley D., Jr. (R) 1592 Love Rd., Grand Island, N. Y. (Carborundum Co.) 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 (B) Electro Metallurgical Co. Metals Research Labs. Box 580, Niagara Falls, N. Y. MARSHALL, Hugh C. (R) R.R. 2, Carrollton, Ohio (Carroll Clay Co.) MARSHALL, Nissim J. 2204 Franklin, Apt. 4 Seattle, Wash. MARSHALL, Paul A. (G) 1201 Cherry St., Brockway, Pa. (Brockway Glass Co., Inc.) MARSHALL, Shadbum (B) U. S. Steel Corp. Applied Research Laboratories 234 Atwood St., Pittsburgh 13, Pa. 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, George D. (E) 612 Colorado Ave., Baltimore 10, Md. (Pemco Corp.) MARTIN, H. C. (R) Carborundum Co., 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. Wellsburg, W . Va. MARTIN, Leonard A. (W) Martin Ceramic Supply Co. 8901 Rainier Ave., Seattle 8, Wash. MARTIN, Ralph H . (W I) 2310 E. 52nd, Los Angeles 58, Calif. (Vernon Kilns) MARTIN, Wesley G. (EF) 6054 N. Kent Ave. Milwaukee 11, Wise. (A. O. Smith Corp.) MARTINO, Paul D. 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.) MARWAHA, Kidar N. Bum & Co. Ltd. - Jabalpur Works, Box 13 Jabalpur 1, India MARX, LeRoy J. (S) Denver Terra Cotta Co. . 135 Tejon St., Denver 19, Colo. MARYLAND GLASS CORP. (L. C. Roche) 2147 Wicomico St. Baltimore 30, Md. MASKILL, William (Webb Corbett, Ltd.) Coalbourahill Glass Works Stourbridge, Worcester, England MASON CITY BRICK & T IL E CO. (C. F. Garland) Mason City, la. MASON, Lawson E. (R) McLain Fire Brick Co., Div. of H. K. Porter Co., Inc. Ceramic Engineering Dept. Wellsville, Ohio -MASSENGALE, Gordon B. (R) - 1010 Vermont Ave., Apt. 3 Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) MASSON, R. Porzellanfabrik Langenthal A. G. Langenthal, Switzerland S/A I. R. F. MATARAZZO (M. Mazzetti) Brazil Export Corp. 50 Broadway, New York 4, N. Y. MATCHULAT, John G. (R) Buffalo Rd., R.R. 2 East Aurora, N. Y. (Electro Refractories & Abrasives Corp.) MATEJCZYK, John F. (E) ' 7506 Trevanion Ave., Pittsburgh 18, Pa. (O. Hommel Co.) MATERIALI REFRATTARI SOC. p.A ZION I (J. Charles Mathon) Milano 744-Via Elia, Lombardini 13 Milan, Italy MATHER, Mrs. Katherine (B) Waterways Experiment Sta. Drawer 2131, Jackson, Miss. MATHIASEN, O. E. (S) Federal Seaboard Terra Cotta Corp. Perth Amboy, N. J. M ATHIESON, George W. (G) 2253 Castlewood Dr., Toledo 13, Ohio (Kimble Glass Co.) M ATHIESON, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave., New York 20, N. Y. M A THIEU , Louis A. . Parra Mantois, 11 Chemin de Ronde Le Vesinet (S&O) France MATHON, Charles Material! Refrattari Soc. p.Azioni Milano 744, Via Elia, Lombardini 13 Milan, Italy MATHON, J. Charles ; Materiali Refrattari Soc. p.Azioni Milano 744-Via Elia Lombardini 13, Milan, Italy MATSON, Frederick R. (GI) 244 S. Burrowes St., State College, Pa- (Pennsylvania State University) MATTESON, Gilbert D. (W ) Engineering Library Scintilla Div., Bendix Aviation Corp. Sidney, N. Y. M ATTHEW S, L. G. (E) American Smelting & Refining Co. 120 Broadway, New York 5, N. Y. MATTISON, William F,, Jr. (GI) R.R. 3, Lawson Dr., Madison, Conn. (Libbey-Owens-Ford Glass Co.) MAU, K. T. Gaspro, Box 2454, Honolulu, Hawaii M AUPIN, Addison (R I) Charles Taylor Sons Co. 710 Bums St., Cincinnati 14, Ohio MAURACH, H. Deutsche Glastechnische Gesellschaft Untermainkai 12 Frankfurt A.M., Germany MAURER, James A. (E) 5519 N. Late Dr., Milwaukee 11, Wise. MAURER, Robert D. (G) Corning Glass Works, Coming, N. Y. MAUSER, H. W. Spoorsihgel 68, Delft, Holland (Royal Delftware Manufactory) MAVOR, Wilfrid (E) Ferro Enamels (Canada) Ltd. Oakville, Ont., Canada MAXSON, ELYWN L. 1208 Isabel St., Burbank, Calif. 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. R oster 57 I Jt* / 43A35 'Njormn ua i Dar.,, jSr .ou(tah) Euclid, Ohio (Horizons Inc.) .yiE R R Y , Ma'rshall L. ^ 4812' Myrtle St., Lynchburg, Va. waYER. Walter S. (W ) " Mayor China Co. Box S'61, Beaver Falls, Pa. ,(AyFIELD , Manville J. (W I) 706 Clayton Ave., Chattanooga 4, Tenn. ; ((American Lava Corp.) iAYNARD, Fred A. (M ) M S45 E. 250th, Euclid, Ohio (Harshaw Chemical Co.) MAYNARD, Frederick H. (G) 14 Corning Glass W orks. 1`Jackson St., Wellsboro, Pa. .(AYS, George A. (S) . N!iles, Calif. (California Pottery Co.) MAZZETTI. M. (W ) S/A I. R. F. Matarazzo Brazil Export Corp. 50 Broadway, New York 4, N. Y. UEDERT, Warren C. (G) . 757 Deshler Ave., Columbus 6, Ohio , (Owens-Illinois Glass' Co.) '. jfEEKA, Edward (S ) . ' Metropolitan Q ay Inc. Box 27, East Palestine, Ohio jlEHARG. Laurence (G) ... Hazel-Atlas Glass Co. . 15th & Tacobs St., Wheeling, W. Va. HEID William J. (R ) 203 Elm St.. Glenview, 111. . . . (Lindberg Engineering Co.) UEINKEN, Robert H . (BT) 351 Prentiss Lane, University Heights New Brunswick, N. J. (Bell Telephone Laboratories) JIEIRSONNE, Arthur C. (S) .114 W. Brighton Rd., Columbus 2, Ohio (Kimble Glass Co.) MEJIA, Lorenzo (G) Colombia Brewers Industries, Inc. 80 Broad St., New York 4, N. Y. BELICK, Nelson McCoy (D ) Telson McCoy Pottery Co. i /oseville, Ohio HELOY, C. L. (B I) S Res. Dept., Em. A406 ' Bethlehem Steel Co., Bethlehem, Pa. MENG, Edwin R. (R ) Box 6087, Cleveland 1, Ohio (National Carbon Co.) . MENGSHOL, Clarence O. (E ) American Radiator & ' Standard Sanitary Corp. 1089 Essex St., Richmond, Calif. MERBLER, Wallace (G I) . Meadowbrook Apts. 77, Corning, N. Y. (Corning Glass Works) MERCK, W alter J. (R I) 25 Addison Dr., Short Hills, N. J. (M. W. Kellogg Co.) MEREDITH, Neil F. (W I) 7024 Oakwood Rd. Parma Heights, Ohio (Basic Refractories, Inc.) MERIWETHER, B. Corbin (W ) Deena Products Co., Arlington, Ky. mmekel, W. H. (S> $ W. A. Riddell Co. I* American Q ay Machinery Div. jC Bucyrus, Ohio ' JyELINI, Ing. Francesco . . vi Colonnata, Florence, Italy *eRRIAM, Jack G. (R I) ' ^27 N. Wildwood, Mundelein, 111. (Titanium Alloy Mfg. Div., ^National Lead Co.) *eRRIMAN, Seth G. (G) S' "J22 Lincolnshire Blvd. Toledo 6, Ohio j jimble Glass Co.) ' ITT, Clarence W. (W F I) , *>* 464, Alfred, N. Y. (v..(New York State College of Ceramics) li 33, No. 10 (1954) ME.K.KU 1 , Tester M. (W I) 654 Wilson A ve, Coltunbus 5, Ohio (Industrial Commission of Ohio) MERRY, E. B., J r , (S I) Merry Bros. Brick & Tile Cb. . 415 Masonic Bldg, Augusta, Ga. MERRY, W. H. (E) 380 E. End Ave, Beaver, Pa. (Richmond Radiator Co.) MERWIN, Byron W. (W ) Parkway R d, R. R. 2 East Liverpool, Ohio (Hall China Co.) MERZ, George Avenida Delfim Mreira, 80, Leblon Rio de Janeiro, Brazil (Magnesita S. A.) MESSIMER, Laverne A. (GI) Holophane Co, Newark, Ohio MESSNER, Paul DuBois, III Box CC, Alfred, N. Y. METAL & THERMIT CORP. (George C. Betz) 100 E. 42nd St. New York 17, N. Y. METZ, G. F. (M) Hillside D r , 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. M EXICO REFRACTORIES CO. (C. A. Smith) Mexico, Mo. MEYER, G. Robert (GJ) 1333V1 Utah S t, Toledo 5, 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 S t, S t 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 Spitteierstrasse 1 Liestal, Switzerland (Tonwerk Lausen AG) MICHAEL, Frank L. (E l) 319 Norboume Blvd, St. Matthews Louisville 7, Ky. (General Electric Co.) MICHEL, Howard (E ) ' 1513 E. 15th S t, Tulsa, Okla. (Porcelain Enamel, Inc.) MICHEL, S. 9 Rue Deves, Neuilly-S-Seine, France (Socit Anonyme des Etablissments G. Devincau) M ICHELOTTI, Joseph E. (W JI) 164 E. Essex Ave., Lansdowne, Pa. (Vitro Corp. of America) ' MICHENER, John William (G) Research Laboratory Owens-Coming Fiberglas Corp. Newark, Ohio MICKWITZ, Alexander von (R) 701 Main S t, Latrobe, Pa. (Stupakoff Ceramic & Mfg. D iv, Carborundum Co.) MIDDLESWARTH, Earl T. (G) 1819 Kimball Ave, Arnold, Pa. (Pittsburgh Plate Glass Co.) MIDDLETON, George J. (W) 432 Fifth S t, Manhattan Beach, Calif. (L. H. Butcher Co.) . . M ID G ET I E , Willard B. (G) Demuth Glass Works, Inc. Box 629, Parkersburg, W. Va. MIKE, Thomas M. 40 West S t, Homell, N. Y. MILANI, Helio Box 827, Alfred, N. Y. MILDW OFF, Ben (G) . Bent Glass Works, Inc. 85-25 126th St. Richmond Hill 18, N. Y. MILLAR, N. S. C. British Titan Products Co, Ltd. Kronos House, Coppergate York, England MILLER,. B. L. (W ) Royal China, In c , Sebring, Ohio MILLER, Boyd C. (S) Miller Equipment Co. Box 1566, Salisbury, N. C. MILLER, E. R. (W) Washington Porcelain Co. Willow S t, Washington, N. J. MILLER, Edmund H. . 910 Poplar S t, Austin, Texas MILLER, Fred M. (R) The Brynwood, Apt. A-24 Wynnewood, Pa. (General Refractories Co.) MILLER, Fred W. (W) Franklin Manor, 114 Franklin St. Bldg. 8, Apt. B-2, Morristown, N. J. (Carborundum Co.) MILLER, Grant E. (E l) Ferro Corp, 4150 E. 56th St. Geveland 5, Ohio MILLER, Harold (E ) 5736 N. Taiman A ve, Chicago 45, 111. (Ohmite Mfg. Co.) MILLER, Harold D. (M) 189 Circle D r, Pindome Atanor Long Island, N. Y. (B. F. Drakenfeld & Co, Inc.) MILLER, Howard L. (R I) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MILLER, James L. (R) 131 Peach S t, Park Forest, 111. . (Norton Co.) MILLER, John B. (M I) Third S t, Lewiston, N. Y .. (Titanium Alloy Mfg. D iv, National Lead Co.) MILLER, John W. (W ) New Castle Refractories Co. New Castle, Pa. MILLER, Jorge Smith Casilla 187, Cristaleras de Chile S. A. Santiago, Chile MILLER, Marlin, Jr. 1733 Southwood A ve, South Bend, Ind. MILLER, O. E. (R ) Pyro Refractories Co. Box 466, Oak Hill, Ohio MILLER, Robert A. (G F) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. MILLER, R. V. (W) Sovereign Potters Ltd. 282 Sherman Ave. N. Hamilton, O nt, Canada - MILLER, Russel A. (W I) 251 E. Rockland S t Philadelphia 20, Pa. (Frankford Arsenal) MILLER, R. W. (G) Columbia-Southern Chemical Corp. One Gateway Center, Pittsburgh 22, Pa. MILLER, Vincent P. (W ) Miller Pottery Eng. Co. 2300 Palmer S t, Pittsburgh 18, Pa. MILLER, William A. (R) Carborundum Co, Falconer, N. Y. MILLI CAN, Kenneth L. (R) Aluminum Co. of America 3300 Missouri A ve, East St. Louis, 111. R oster 59 wllXIGAN, Chester E. (R ) ** ,4814 Loma Vista Ave. ' Los Angeles, Calif. (Electro Refractories & Abrasives Corp.) MILLIGAN, Lowell (G) ** Norton Company, One New Bond St. Worcester 6, Mass. ulLLXKEN, Edward C. (S I) 444 W. North Ave. East Palestine, Ohio (Natco Corp.) jjILLIKEN, Frank H. (S) Bowerston Shale Co., Bowerston, Ohio u ILLIKEN, Jobn.H. (X) i Natco Corp., East Canton, Ohio jJILLIKEN, Joseph Edward (I) ` 228 W. Woodruff Ave. Columbus 1, Ohio ' ylLLIKEN, William M. Cleveland Museum of A rt ' Cleveland 6, Ohio ' MILLIKEN, William U. Box 847, Alfred, N. Y. ILLMAN, Nathan (M) J. M. Huber Corp., Huber, Ga. jjILLS, G. Alexander (B) Houdry Process Corp., Box 427 Marcus Hook, Pa. MILLS, R. Gerald ` - '; ' CheMet Program, Bldg. 22, Room 234 General Electric Co. Schenectady 5, ,N. Y. , MILTON BRICK CO., L T D .. (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 ) ; j Kaiser Aluminum & Chemical Sales Inc. _ 1422 First National Tower Akron 8, Ohio 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, Guthrie M. (W ) Fairfacts Co., Fairfacts St. Trenton 8, N . J. MITCHELL, Lane (B FI) 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 ) . Box 214, Findlay, Ohio (Radio Corp. of America) MOCHEL, John M. (B) 2817 Charlestown Rd., New Albany, Ind. (Corhart Refractories Co.) MOCKRIN, Isadore (B) Pennsylvania Salt Mfg. Co. Research & Development Div. Box 4388 Chestnut Hill P.O. Philadelphia 18, Pa. Mo d i g l i a n i , Piero (G) Modigliani Glass Fibers, Inc. Box 18, Lancaster, Ohio Vol. 33, No. 10 (1954) MODRONE, Raimondo Visconti di MONTGOMERY, Thomas B. (R ) Soc. Ceramics Richard Ginori Milan, via Bigli, 1 Italy Pittsburgh Plate Glass Co. 632 Ft. Duquesne Blvd. MOEBUS, C. R. (M ) United Q ay Mines Corp. East Liverpool, Ohio MOFFAT, John, Jr. (R) 3275 Colony Circle Los Angeles 27, Calif. (Gladding, McBean & Co.) MOFFAT, John W., Jr. (R) Babcock & Wilcox Co. 2730 Koppers Bldg., Pittsburgh 19, Pa. MOFFETT, Robert A. (R I) 315 W. W alnut St., Lock Haven. Pa. (North American Refr. Co.) MOHANTY, Gajendra Nath (I) Ceramic Engineering Dept. School of Mines & Metallurgy Rolla, Mo. 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. (X I) 210 E. Franklin St., Raleigh, N. C. (North Carolina State College) MOONEY, Edward L. (W ) General Laboratory Assoc., Inc. Norwich, N. Y. MOONEY, William F. (W) 7445 Etiwanda Ave., Reseda, Calif. MOORE, Carleton B. Box 96, Alfred, N. Y. MHL, Helmuth (W ) Fabrica de Loza "La Favorita" S.A. MOORE, Charles H. (R) P. R. Mallory & Co., Indianapolis, Ind. Palma Norte 308, Despacho 312 Mexico, D. F. MOORE, Dwight G. (E F I) Mineral Products Division MOHLER, Neal F. (SI) Champion Brick Co. National Bureau of Standards Washington 25, D. C. . 7600 Pulaski Highway, Baltimore 6, Md. MOORE, H. MOHR, William C. (W I) Dept, of Glass Technology Shenango China, Inc., New Castle, Pa. University of Sheffield MOHUN, William A. (R) Elmfield, Northumberland Rd. General Abrasive Co., Inc. Sheffield 1 0 /England 2000 College Ave., Niagara Falls, N. Y. MOORE, Henry (G) MOLER PRODUCTS, LTD. 38 Potter Ave. Hythe Works West New Brighton Colchester, Essex, England Staten Island, N. Y. MOLINA, Joao Jemandes Gimenes (Metro Glass Co.) Ceramics Sanitaria Porcelit, S.A. MOORE, James M. (S) Rua Itapura 626, Sao Paulo, Brazil Ashe Brick Co., Van Wyck, S. C. MLLER, J. Aall MOORE, John G. (W ) 405 E. Poplar St., Robinson 2, 111. Porsgrunds Porselaensfabrik Porsgrund, Norway (W . A. Case & Son.Mfg. Co.) MONACK, A. J. (G) MOORE & MUNGER (M urray Rushmore, Jr.) 33 Rector St. Box 305, Rutherford, N. J. (Consultant) New York 6, N. Y. MONAGLE, William T. (E) MOORE, Richard S. (R I) Harbison-Walker Refractories Co. Lloyd Ave., Stanhope, N. J. (Reaction Motors, Inc.) Farmers Bank Bldg., Pittsburgh 22, Pa. MONDAY, John C. (R) MOORE, Robert F. (R) Apt. B, Bldg. 68, 68 W. Steuben St. Hevi Duty Electric Co. Crafton, Pittsburgh 5, Pa. 4212 W. Highland Blvd. (Jones & Laughlin Steel Co.) Milwaukee, Wise. MORAN, J. J. (G) MONETA, Fausto Landis Ave. & Spring Rd. Via Mambretti 9, Milano, Italy Vineland, N. J. MONG, Lewis. E. (R ) (Kimble Glass Co.) 8506 Loughborough PI. MORELL, N. L. (M) Chevy Chase 15, Md. 313 Union Bank Bldg., Bethlehem, Pa. (National Bureau of Standards) (N . L. Morell Co.) MONINGER, Richard E. (W ) MORENA, Alfred (W JI) Park Blvd., E ast Liverpool, Ohio 90 Hazel St., Oifton, N. J. (Wellsville China Co.) (Mucon Corp.) ilO N K , Clarence B., Jr. (S) MORGAN, John M. Structural Q ay Products Res. Fdn. 720 Rankin Ave., Schenectady, N. Y. 20 N. Wacker Dr., Chicago, 111. MORGAN, Raymond W. (R) MONKS, J. R. (G) Koehler & Morgan Co. - 941 Danforth St., Alton, 111. 12099 Woodbine, Detroit 39, Mich. (Owens-Illinois) MORGAN, Robert A. (W I) MONROE, Graham D., Jr. Pass & Seymour, Inc., Syracuse, N. Y . Box 3019 MORGAN, Stuart F. (W I) Georgia Institute of Technology "Marshnere", Mattapoisett Neck Rd. Atlanta, Ga. Mattapoisett, Mass. MONTAGNO, Antonio M. (E ) (J. I. Paulding, Inc.) 69 Glenmont Ave., Columbus 14, Ohio MORGAN, Willard L. (G) (Inland Engineering Co.) 117 Hibiscus Dr., Pittsburgh 35, Pa. MONTEMAYOR, Ponciano S,, Jr. (Consultant) . Box 1081 MORGAN, William R. (G FI) Monterrey, Nueva Leon, Mexico 1343 Brookwood, Birmingham, Mich. ' MONTGOMERY, Daniel (SJ) (Peninsular Grinding Wheel Div. . 23 N. Buckey St., Crooksville, Ohio (W att Pottery Co.) MONTGOMERY, Earle T. (W FI) 12 W . Jeffrey PL, Columbus 14, Ohio ' (Consulting Engineer) MONTGOMERY, Eldwin C. (GI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Technical Dept. Toledo 5, Ohio Abrasive & Metal Products Co.) MORNIN, Bob L. (W I) - 3885 Pierce, Wheatridge, Colo. (Coors Porcelain Co.) MORREN, Georges 20 Rue Debunne, Menin, Belgium MORRIS, Ernest D. 15 Irby Rr., Heswall, Cheshire, England (Morgan Refractories Ltd.) R oster 61 MORRIS, Frank (W ) . 236 Greenpoint Ave. ; Broftklyn 2 2 /N. Y. - (Levitn Mfg. Co., Ini.) jjORRIS, George J. (W ) * Research Dept., Ferro Corp. 4150 E. 56th St., Cleveland, Ohio wqRRIS, Irvine H. (W ) j' Ferro Corp., 4150 E. 56th St. Cleveland, Ohio ,R R IS , John L. (W ) 14427 Allingham, Norwalk, Calif. % (Durochrome Decalcomania Co., Inc.) ^oR R IS, Kent B. 202 Evans Dr., Decatur, Ga. jjORRIS, Paul R. (G) . j,. Pittsburgh Plate Glass Co. -- Creighton, Pa. . MORRIS, W. C. (G) 1251 Mayfield Ridge, Cleveland 24, Ohio . (Harshaw Chemical Co.) liORRISON, Boone H . (G) . B. F . Drakenfel'd & Co., Inc. " * Box 519, Washington, Pa. ; uORRISON, R. F. (M) : r 384 Gulf Rd., Elyria, Ohio : (Harshaw Chemical Co.) jIORRISON, Wallace S. (E ) ; 840 Cedar St., Rockford,- 111. . (Illinois Water Treatment Co.) jfORSE, Arthur E. . . Euclid Beach Trailer Park ' 45 Lincoln Dr., Qeveland 10, Ohio JORSE, aifford E. (G) ' , Dominion -Glass Co., Ltd. ' V Box 190, Montreal; Que.; Canada MORSE, George T. (W F) ' 7 Longview Rd., Metuchen, N. J. (United States Gypsum Co.) MORTON PO TTERY CO. (S. W. Rapp, Jr.) Morton, 111. MORTON, William A. (R) 46 Standish Blvd., Mt. Lebanon Pittsburgh 28, Pa. (Loftus Engineering Corp.) MOSAIC T IL E CO. _ . _ _ Zanesville, Ohio f j)SER, Berthold B. / Industria Cermica, Ltda. : Apartado Aereo 4829, Bogota, Colombia MOSER, John B. (W ) _ 214 South A St., Monmouth, 111. . ~ (Western Stoneware Co.) . MOSER, John L. (R I) 1210 Acorn Dr., Dayton 9, Ohio (Carborundum Co.) . MOSS, LeRoy L. (E l) . - Walnut Hills Rd., Qeveland 22, Ohio (Ferro Corp.) MOTSCH, F. R. (G) - Foster-Forbes Glass Co., Marion, Ind. : MOULD, W. J. (W ) ' Steubenville Pottery Co. Steubenville. Ohio MOUNT CLEM ENS PO TTERY CO. (Charles E. Doll) ' Mount Qemens, Mich. MOURAUD, Paul H. (W ) . 14 Ingleside Rd. Upper Montclair, N. J. (Page-Madden Ceramic & Lava Co.) MOWREY, Fred W. (G) ; 108 Rodgers Dr., New Kensington, Pa. (American Window Glass Co.) MUELLER, Edward E. (R I) School of Mineral Engineering : University of Washington ` .! Seattle 5, Wash. . j MUELLER, Ferd A. (R) 1360 Rudd. Canon City, Colo. (Freeman Fire Brick Co.) .MUELLER, James I. (B) j Ceramic Engineering Division j School of Mineral Engineering ' University of Washington . , : i Seattle 5, Wash. . .ULLADY, Russell E. (W) 459 E. High St., New Philadelphia, Ohio (Titanium Alloy D iv, National Lead Co.) MULLAN, Joseph (S) Champion Brick Co. 7600 Pulaski Highway . Baltimore 6, Md. . MULLEN, Willard F. (S) R.R. 1, State College, Pa. (Consultant) MULLER, Gerhard Staatliche Porzellan-Manufaktur Berlin Hartmannstrasse 1-3 (13a) Selb/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) Shelton, Conn. MULROY, James P. (E l) 965 Lafayette Ave., Buffalo 9, N. Y. MULRYAN, Henry (R) Sierra Talc & Qay Co. Box 390, South Pasadena, Calif. MULVANE, O. E. (E) 4138 N. 21st St., Milwaukee 9, Wise. (A. O. Smith Corp.) MUNDY, O. S. (W I) . 426 Park Ave., Wheaton, 111. (Western Electric Co.) MURGATROYD, John B. Rockware Glass, Ltd., Rockware Ave. Greenford, Middlesex, England MURPHY, Harry T. (R) Qimax Fire Brick Co., Qimax, Pa. MURPHY, Remington M. (W ) ^ 420 Hixson Ave., Syracuse 6, N. Y. (Onondaga Pottery Co.) MURRAY, Ernest L. (M) United States Quarry Tile Co. East Sparta, Ohio MURRAY, Louis J. Vaal Potteries, Ltd., Box 49 Meverton, Transvaal, South Africa MURRY, Maurice A. (W I) 502 Somerset St. North Plainfield, N. J. (Isolantite Mfg. Corp.) MURRAY, Robert S. (G) B. F. Drakenfld & Co., Inc. Washington, Pa. MUSSELMAN, H . G. (G) 4413 Old Frederick Rd. Baltimore 29, Md. (Carr-Lowrev Glass Co.) M UTTITT, F. C. (R) Algoma Steel Corp. Sault Ste. Marie, Ont., Canada MYCALEX CORP. OF AMERICA (Richard A. Humphrey) Clifton Blvd., Qifton, N. J. MYERS, C H. (R) Utah Fire Clay Co. Box 127, Salt Lake City, Utah MYERS, Charles V. (W ) Eljer Co., Third Ave., Ford City, Pa. MYERS, W ilbur C. (B) 2401 Malden Rd., Qeveland 21', Ohio (Brush Electronics) MYERSON, Martin (W ) 90 Hamilton St., Cambridge Mass. (Myerson Tooth Corp.) MYGDAL, Rolf L. (W ) R.R. 5, Florence, Ala. . (Stylon Southern Corp.) N NADLER, Marion R. (R ) ` 5825 Enright Ave., Dayton 3, Ohio (Wright-Patterson Air Force Base) NAGAN, Harold 158 Crosman Terrace Rochester 20, N. Y. ^ Vol. 33, No. 10 (1954) NAKAMURA, ti. Henry tb j _ Armour Research Foundation of Illinois Institute of Technology 3427 S. Federal St., Chicago 16, I. NAKAMURA, Yoshikazu . ' Asahi Glass Co. 1, 4-Chome, Ginza, Cho-ku Tokyo, Japan NAPIER, John B. (S) 1297 Burton Ave., Macon, Ga. (Cherokee Brick & Tile Co.) NASH, Harold S. (D F) University of Cincinnati Ceramics Dept., Cincinnati 21, Ohio NASH, Herbert (W) Southern California Gas Co. Box 3249, Terminal Annex Los Angeles 54, Calif. NATCO CORP. (R. A. Shipley) 327 Fifth Ave., Pittsburgh 22, Pa. NATIONAL CERAMIC CO. . (J. H. Culbertson) 500 Southard St., Trenton 2, N. J. NATIONAL ENGINEERING CO. SIMPSON MIX-MULLER DIV. (E. B. Henby) 549 W . Washington Blvd. Chicago 6, 111. NATIONAL INDUSTRIAL SAND ASSN. (V. P. Ahearn) 1325 E St., N.W., Washington 4, D. C. NATIONAL LEAD CO. (Alex Stewart) 111 Broadway, New York 6, N. Y. NATIONAL LIM E AND STONE CO. (L. G.-Love) First National Bldg. Findlay, Ohio . . . NATIONAL REFRACTORIES .CO, INC. (R. A. Hitchins) 17th Floor Lewis Tower Bldg., 225: S.- 15th St. ' Philadelphia 2, Pa. - NATIONAL RESEARCH CORP. (Philip J. Clough) 70 Memorial Dr. Cambridge 42, Mass. . NAUDOT, Jacques Directeur Cerabati Pont-Sainte-Maxence (Oise) France NAVIAS, Louis (BF) " ' ' _ ' " Research Lab, General Electric Co. The Knolls, Schenectady, N. Y. NAVRATIEL, Hans . Jahnstr. 3, Lauf/Pegnitz Bavaria, Germany (Sembach & Co) NEAL, James E. (R) 164 Sandford Ave. North Plainfield, N. J. (Johns-Manville, Inc.) NEALON, Terence P. (J) Edward Curran Engineering, Ltd. Cardiff, Wales NEDREBERG, Roy E. G. Box 226, Alfred,. N. Y. NEEF, Walter (M) Hanley C o, In c , Summerville, Pa. NEELY, Homer E,, Jr. (G) 404 E. 11th A ve, Tarentum, Pa. (Pittsburgh Plate Glass Co.) NEFF, Edward D. (R) Box 205, Templeton, Pa. (Harbison-Walker Refractories Co.) NEFF, John M. (R) Armour Research Foundation 10 W . 35th St., Chicago 16, 111. N EFF, Russell C. (R) General Refractories Co. Olive Hill, Ky. NEIMAN, Robert (R) Whip-Mix Corp, Inc. 411 W. Avery A ve, Louisville 8, Ky. NELLES, Maurice (D ) Borg-Wamer Central Research Lab. 706 S. 25th A ve, Bellwood, 111. NELSON,. Forrest W. (E l) 3341 S. Taylor, Milwaukee 7, Wise. (A. O. Smith Corp.) ' NELSON, James A. (R) University of Illinois 204 Ceramics Bldg, Urbana, 111. NELSON, James W. Riverton, R. R. 2, Salt Lake City, Utah R o s t e r 63 (JELSON, JCarl E. (W ) Hetzet Lane, R. R. 5 ' ' Chattanooga, Tenn. (American Lava Corp.) KELSON, Robert E. (G) ' 17 Seneca Manor Dr. . feneca Falls, N. Y. Sylvania Electric Products, Inc.) KELSON, Robert T. (R) Columbia-Geneva Steel Division Box 510, Provo, Utah KELSON, Theodore W.- (M) Socony-Vacuum Laboratories Research & Development Dept. Paulsboro, N. J. . KELSON, William I. (GJ) 118 Mary St., Binghamton, N. Y. (Solvay Process Div., Allied Chemical & Dye Corp.) KERENSTONE, Marc A. (X J) 311 W. 75th St., New York 23, N. Y. KETTER, William. S; (G) 18081 Mendota Ave., Detroit 21, Mich. (Peninsular Grinding Wheel Ctf.) KETZSCH, Eric . Maschinenfabrik GebruederNetzsch Werkstrasse 19 . . Selb (Bayern), Germany KEUHAUS, Jacques ' 18 Rue Charles Laffitte ; Neuilly Sur, Seine, France . (Socit Jean Neuhaus) . KEUMANN, Paul. D. (G) ' 2 Knox S t, 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 (S) $ -- .Simonds Abrasive Co. if: JTacony & Fraley Sts. , ''Philadelphia 37, Pa. W- NEWBOLD GENERAL *S a REFRA CTO RIES, LTD., Gavey St. Mayfield, N. S. W., Australia NEW CASTLE REFRACTORIES CO. (R. W . Rowland) New Castle, Pa. NEWCOMB, Rexford, Jr. (RI) 915 Dodge, Lake Geneva, Wise. r (RX Chemical Co.) NEW JER SEY PO RC ELA IN 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) R. R. 5, Putnam Rd. Schenectady 6, N. Y. (General Electric Co.) NEWPORT, John J. (X) 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 NIELSEN, James W. (B) Bell Telephone Laboratories Murray Hill, N. J. NlEMAN, A. H . (G) Ohio Lime Co., Woodville, Ohio PX EW SK I, B. K. Main Enamel Mfg. Co., Ltd. Gothic Works, Angel Rd. Edmonton, London, N. 18, England Ni l e s f i r e b r i c k c o . (J. R. T. Clingan) 165 E. Park Ave. Niles, Ohio Vol. 33, No. 10 (1954) NIPPON TOKI KAISHA, LTD. (Jun Isagawa) # 1 , Noritakeshinmachi, Nishiku, Nagoya, Japan NISULA, Chester A. (G) 716 Main St. Riverton, N. J. (Simonds Abrasive Co.) NIYOGI, D. P. Sur Enamel & Stamping Works, Ltd. 24 Middle Rd., Entally, Calcutta, India NOBES, Frederick L. Carborundum Co., Ltd. Manchester, England NOBLES, Eugene L. (E ) 3714 Torrington Ave., Cleveland 29, Ohio (Ferro Corp.) NOBLES, Melvin A. (R) Oklahoma A. & M. College Mechanical Engineering Dept. Stillwater, Okla. NOBLITT, H. L. (G) Ortona Gold Mines, Ltd. 143 First Ave., Ottawa, Ont., Canada NODA, Tokito Dept, of Applied Chemistry Faculty of Engineering Nagoya University Chikusa-ku, Nagoya, Japan NOHLE, Richard C. (S JI) Claycraft Co. Box 866, Columbus 16, Ohio NOLAN, William F. Deposit, N. Y. NORANTE, Nicholas J. 609 Spring St., Latrobe, Pa. NORDBERG, Martin E. (G) 134 E. Fourth St., Coming, N. Y. (Coming Glass Works) NORDGREN, Harry Aktiebolaget Gustavsberg Fabriker Gustavsberg, Stockholm, Sweden NORDMEYER, Rudy L. (S) Valley Brick & Tile Co. Mission, Texas NORDQUIST, Lawrence E. (BJ) 9411 S. St. Louis Ave. Chicago 42, IlL (Zenith Radio Corp.) NORDYKE, J. S. (M) ' . Hammond Lead Products, Inc. 1602 Oliver Bldg., Pittsburgh 22. Pa. NOREN, Saul Box 706, Alfred, N. Y. NORMANDEAU, Pierre (D) 3660 Hutchison St. Montreal 18, Que., Canada NORTH AMERICAN P H IL IP S CO., IN C. (C. J. Woods) Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. NORTH AMERICAN REFRACTORIES CO. (E. M. W einfurtner) National City E. .Sixth Bldg. Cleveland 14, Ohio NORTH CAROLINA FELDSPAR CORP. (W . F. Deneen) Erwin, Term. NORTHWESTERN GLASS CO. (Edward S. Campbell) 5801 E. Marginal Way, Seattle 4, Wash. NORTHWESTERN TERRA COTTA CO. (Burnette Purcell) 1750 Wrightwood Ave., Chicago 14, 111. NORTON. Charles L,, Jr. (R F ) 161 E. 42nd St... New York 17, N. Y. (Babcock & Wilcox Co.) NORTON CO. (O. J. Whittemore, Jr.) Worcester 6, M ass. 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.) NORWALK, Marshall H. 74 Chester Circle, New Brunswick, N. J. NORWOOD, George M. (S) Norwood Brick Co. Box 5416, Raleigh, N. C. NORWOOD, J. Nelson (Life, X) Alfred University, Alfred, N. Y. NOVAK, John P. (E) 3144 S. Harlem Ave., Riverside, 111. (Chicago Vitreous Corpr) NOVY, Anton R. (B) 8140 Merrill Ave., Niles, 111. (Great Lakes Carbon Corp.) NOVY, Otto R. (E) 1525 Robin Hood Lane LaGrange Park, 111. (Chicago Vitreous Corp.) NOW ELL, Dorroh L., Jr. (S) 202 Broad St., Augusta, Ga. (Merry Bros. Brick & Tile Co.) NYQUIST, Roy A. (G) 3650 Beechway Blvd., Toledo 14, Ohio (Libbey-Owens-Ford Glass Co.) ' o OAKLEY, W. W. (GF) Box 35, Coming, N. Y. (Coming Glass Works) O'BANNON, L. S. (E ) . 2239 Farleigh Rd., Columbus 21, Ohio - (Battelle Memorial Institute) OBERST, Clair R. M ) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio O'BRIEN, Neil H. 20 Central Dr., Port Washington, N. Y. O'CONNELL, Thomas B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio O'CONNOR, Jerry B. (M) 333 W. State St., Trenton 8, N. J. (O. Hommel Co.) O'DELL, George D. (G) Ohio Lime Co., Woodville, Ohio ODOM, Paul R. (MJ) . 3882 St. Charles PI., Macon, Ga. (J. M. Huber Corp.) OESCH, Robert B. (S) Teague Brick & Tile Co., Teague, Texas OESTERLE, Henry (E) Roesch Enamel & Mfg. Co. W . Main & N. 24th Sts. Belleville, 111. - OESTERLE, Robert A. (E) 2427 W . Main, Belleville, 111. (Roesch Enamel & Mfg. Co.) OGDEN, D. P. (S) Ogden Engineering Co. Box 218, Ottawa, 111. OGDEN, Ellsworth P . (R F) Box 537, Granby, Colo. (Consultant) OGDEN, John T. (GF) Glass Industry 55 W . 42nd St., New York 36, N. Y. OGDEN, William D., Jr. (I) Island Route, Lock Haven, Pa. O H IO BRASS CO. (J. J. Taylor) Barberton, Ohio O H IO CLAY CO. (Norman E. Denison) Box 1776, Cleveland 5, Ohio O H IO LIM E CO. (A. H , Nieman) Woodville, Ohio OHLIGER, Lewis P. (G) 209 Ridgeview Dr. East Rochester, N. Y. (Bausch & Lomb Optical Co.) OHNYSTY, Basil Sec. L-5, DC6/NTS, Newport, R. I. O'LEARY, W. J. (R) 300 E. 25th St., Wilmington, Del. (E. I. du Pont de Nemours & Co.) OLD HICKORY CLAY CO. (L. F. Powell) Box 271, Paducah, Ky. R oster 65 LIV E, Frapk C. (R ) 509 Chamber of 'Commerce Bldg. Indianapolis 4, Irfd. . LIVER, John C. (E ) . . Porcelain Enamel Institute Dupont Circle Bldg. ' M46 Connecticut Ave., N. W. tshington 6, D. C. )L JR, W. V. (W ) , French Saxon China Co., Sebring, Ohio 3LSEN, Eric (D) R. R. 63, Dundee, 111. ` (Haeger Potteries, Inc.) OLSEN, John M. (E) E. I. du Pont de Nemours & Co., Inc. . Electrochemicals Dept. Wilmington 98, Del. OLSEN, Rangwald S. (E l) 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. OPPER, Fred H. (R) Savannah Kaolin Co. 314 American Bldg. . Box 184, Savannah, Ga. ORAVEC, Joseph A. (S) 3731 N. Newland Ave., Chicago 34, 111. 0 REFRACTION, INC. (Albert L. Kreuer) 7425 Thomas St. Pittsburgh 8, Pa. ORME, William C. (G) Cambridge Glass Co., Cambridge, Ohio ORMSBY, W alter C. V 214-Fairmount Ave., State College, Pa. S.: /N EL'LA , LeRoy F. (GJ) Ui (3G20la6sUs pFtoibnerAs,veI.,ncT.o)le,do 6, Ohio .ORR, David B. R.R. 2, Oneonta, N. Y. 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. ORTMAN, Robert C. (W ) 4419 Union St., La Canada, Calif. (Robert C. Ortman Pottery Mfg. Co.) 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 . (S I) Claycraft Co. Box 866, Columbus 16, Ohio ftvl OSAWA, H . K . (S) 3512 E. Fifth St., Los Angeles, Calif. OSBORN, Elburt F. (B) College of Mineral Industries Pennsylvania State University State College, Pa. . OSBORN, Walton O. (R) . North American Refractories Co. 4-, W ater St., Lock Haven, Pa. OSBORNE, David G. (J) Lemington Glass Works Ltd. Lemington. Newcastle-on-Tyne 5, England | OSTERHOLTZ, Carl (R) A. P. Green Fire Brick Co. Mexico, Mo. OSTERMAN, James W . (R) 675 Copley Rd., Apt. 3, Akron, Ohio (Kaiser Aluminum & ' Chemical Sales, Inc.) Vol. 33, N o. 10 (1954) 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, 111. OTTO, George H. (S) 53 W. Jackson Blvd., Chicago 4, 111. (Consultant) OTTO, William H. (G) Owens-Coming Fiberglas Corp. Newark, Ohio OTTOSON, Axel (GI) 4300 Highland Ave., Shadyside, Ohio (Imperial Glass Corp.) OVERDORF, Lt. (J.G.) Thomas R. (RJ) United States Navy VS-38, F. P. O., San Francisco, Calif. 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 O W EN S-IL L IN O IS (E. W. Summers) General Engineering Dept., Alton, 111. OW ENS-ILLINOIS GLASS CO. (W . Funke) Box 1019 Oakland' 4, Calif. OWENS, James S. (W) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. OWENS, Robert K. (XJI) 813 W. Church St., Elmira, N. Y. (North American Refractories Co.) P PABST, John G. (M) 552 N. Main St., Butler, Pa. (Saxonburg Ceramics) PACIFIC CLAY PRODUCTS (John D. Fredericks) Box 2178, Terminal Annex Los Angeles 54, Calif. ' PA CIFIC COAST BORAX CO. (M. H. Pickard) Div. of Borax Consolidated, Ltd. 100 Park Ave., New York 17, N. Y. PACKMAN, Willard D. (W I) 1759V* Dale Rd., Cincinnati 37, Ohio (Cambridge Tile Mfg. Co.) PADEN CITY POTTERY CO. (M errill C. Sondles) Paden City, W . Va. PADFIELD, Ralph C. (W ) Apt. 10F, Parkhurst 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 PGE-MADDEN CO., INC. (Jesse F . Madden) 76--96 Second St., Box 110 Mineola, N. Y. PALADINO, Albert E,, Jr. Box B B, Alfred, N. Y. PALAMARA. Louis M. (S) 1526 Linden Ave., Zanesville, Ohio (Donald Hager Ceramic Materials) PALMER, Delos M. (D ) 4401 Jackman Rd., Toledo 12, Ohio (Delos M. Palmer & Associates) 2432 Ontario Ave., Niagara J.`AlkOf - v. - . (Carborundum Co.) PALMER, Rufus N. (M) 476 Broadmoor Ave., Pittsburgh 34, Pa. (Consultant) PALMER, Willard E. (W I) Box 205, Brazil, Ind. (Arketex Ceramic Corp.) PALMERI, Victor R. ' Casilla Correo 38 Sue. Velez Sarsfield 7 Buenos Aires, Argentina PALMOUR, Hayne III (RI) Box 204, Signal Mountain, Tenn. (American Lava Corp.) PALTZER, Clifford (X J) 1100 Peace St., Pella, la. PAPER MAKERS IM PO R TIN G CO.. INC. (Charles Brian) 44 S. Second St., Easton, Pa. PAPIER, Harry (S) Natco Corp., Cordova, Ala. PAPPIS, James 433 Brookline Ave.,. Boston 15, Mass. PARCEL, Martin W. (W ) Robertson Mfg. Co. Box 848, Trenton 5, N. J. PARHAM, Robert C. (W ) Sippi Products Co., Wickliffe, Ky. PARIKH, Niranjan M. ` Metallurgy Section Scientific Laboratory Ford Motor Co., Dearborn, Mich. PARKER, Glidden M., Jr. (D ) Glidden Pottery, Inc., Alfred, N. Y. PARKER, Harry (RI) 1015 Quebec Terrace Silver Spring, Md. (National Bureau of Standards) PARKER, James W., jr . (S) R.R. 3, Shakespeare Rd. Columbia, S. C. (Carolina Ceramics, Inc.) PARKER, Leon (G) ' H . I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. PARKER, Raymond W . (R) Alliance Clay Product Co. Box 746, Alliance, Ohio PARMER, Jess H., Jr. (G) Owens-Illinois 1625 E. Broadway, Alton, 111. PARNHAM, H. General Refractories Ltd, Worksop, England PARSON, James A. (W I) 6217 Broadway, Indianapolis 20, Ind. (Vitroseal Corp.) PARSONS, Douglas E. (S ) Building Technology Division . National Bureau of Standards Washington 25, D. C. PARSONS, J. R. (R) Chicago Fire Brick Co. 7531 S. Ashland Ave., Chicago 20, 111. PASK, Joseph A. (B F I) Division of Mineral Technology University of California Berkeley 4, Calif. PASPY, Stanley F,, Jr. (R ) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio PASS, J. S. (W ) Pass & Seymour, Inc. Solvay Station, Syracuse 9, N. Y. PASS, R. H . (W) Onondaga Pottery Co. 1856-58 W. Fayette St. Syracuse 4, N. Y. PASS & SEYMOUR, INC. (J. S. Pass) Solvay Station, Syracuse 9, N. Y. PATERSON, G. W. (R) Refractories Engr. & Supplies, Ltd. 8291 Royden Rd. Mount Royal, Que., Canada R oster 67 p VTRIARCA, Armando S. E. piedrs 383 ' Buenos Aires, Argentina . (A. P. Green Fire Brick Co.) PATRICK, Howard * 2929 Kling Ave., Cincinnati 11, Ohio RICK, Robert F. (E l) j'emco Corp. , 2554 Greenmount Ave. Baltimore 18, Md. - PATTERSON, Harvey E. (M ) * T. L. Smith Co. 2835 N. 32nd St., Milwaukee TO, Wise. PATTERSON, Richard C. (X J) United States Quarry Tile Co. Parkersburg, W. Va. PAULSON,-Fred H . (R) 28 Greendale Ave., Worcester 6, Mass. (Norton Co.) pAVLISH, Arnold E. (GF) 2904 Clarkson Rd. Cleveland Heights 18, Ohio (Cleveland Supply Co.) pAWLOWSKI, Edward. J. (W ) 11 Morris St., Amsterdam, N. Y. (Mica Insulator Co.) pEARCE, Charles S. (F) _ . American Ceramic .Society 4055 N. High St., Columbus 14, Ohio PEARCH, Howard C. (W JI) 1309 Woodington Rd., Baltimore, Md. . (Locke.Dept., General Electric Co.) PEARCH, William M. (W ) Akron Porcelain Co., Akron 14, Ohio PEARSON, Edward P . (R) Basic Refractories, Inc. Maple Grove, Ohio PEARSON, E. J. & J., LTD . (Charles A. G. Thomas) Firebrick Works Stourbridge, England PEASE, Philip J. (G) . 1405 Washington Ave. Parkersburg, W. Va. TDemuth Glims Works, Inc.) iHMAN, Alexander (W I) . 4625V P ark Blvd., San Diego 16, Calif. (Ryan 'Aeronautical Co.) PECK, J. Clair (S I) 634 W . King St., York, Pa. (Glen-Gery Shale Brick Corp.) PECKHAM, George W . (G) Chattanooga Glass Co. Chattanooga 10, Term. PEDRICK, W. W . (G) - ' Armstrong Cork Co., Millville, N. J. PEDU, Richard K. (M JI) 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. PELZ, Robert W. (E l) 2706 Grovewood, Parma 9, Ohio . (Ferro Corp.) PEMCO CORP. (Richaid H . Turk) 5601 Eastern Ave., Baltimore 24, Md. PENBERTHY, Larry (G) Penberthy Electromelt Co. 2317 47th S. W., Seattle 6, Wash. PENCE, Forrest K. (W FI) .. 1609 Scenic Dr., Austin, Texas PENNSYLVANIA PU LV ERIZIN G CO. (William J. Woods, Jr.) 140 Stanwix St., Pittsburgh 22, Pa. PENTECOST, Joseph L. University of Illinois 204 Ceramics, Urbana, 111. '|1EIRA, Armando de Arruda (F ) Caixa Postal 1930, Sao Paulo, Brazil (Ceramica Sao Caetano, S/A ) PERENY, Andrew (M ) Pereny Equipment Co. 893 Chambers Rd. ' Box 153, Station A, Columbus, Ohio :Yoi. 33, No. 10 (1954) PERK IN S, Harrell L. (M ) Central of Georgia Railway Co. 501 Rhodes-Haverty Bldg. Atlanta 3, Ga. PERKINS, Walter W. (W I) 600 De W itt St., Linden, N. J. (U. S. Stoneware Co.) PERRY, Robert F. (W I) Box 283, Victor, N. Y. (Victor Insulators, Inc.) PERRY, Robert W. Box 787, Alfred, N. Y. PERRY, T. Ray University of Texas Dept, of Ceramic Engineering Austin, Texas PERTUCH, Walter A. R. (D) Franklin Institute Library 20th & Parkway, Philadelphia 3, Pa. PE SK IN , William L. (W ) Carborundum Co., Perth Amboy, N. J. PETERS, Forrest I. (G) 2 Meadow Brook Apts., Corning, N. Y. (Corning Glass Works) PETER SEN , Fred A. (E F I) Hunter-Thomas Associates Keith Bldg., Cleveland 15, Ohio PETERSON, Albert F. Box 246, Alfred, N. Y. PETERSON, Jack D. (G) 3029 123rd St., Toledo 11, Ohio . (Kimble Glass Div., . Owens-Illinois Glass Co.) PETERSON, Jack L. (R) 9911 Calmada Ave., W hittier, Calif. (Melvin L. Jontz Co.) PETERSON, John A., Jr. (S) R.R. 44, Box 530 New Brunswick, N. J. (Federal Seaboard Terra Cotta Corp.'i PETERSON, W. H., Jr. (R) Valentine Fire Brick Co. Div. A. P. Green Fire Brick Co. Woodbridge, N. J. PE T R IE , Earl C. (R F I) North American Refractories Co. 1012 National City, E. Sixth Bldg. Cleveland 14, Ohio PE T R IE , Lloyd R. (W ) 305 Western, Abingdon, III. (Abingdon Potteries, Inc.) PE TT , Tyler G. (G) 261 Antlers Dr., Rochester 18, N. Y.. (Bausch & Lomb Optical Co.) PETTIN O S, George F., Inc. . (George F. Pettinos, Sr.) ' 1206 Locust St., Philadelphia 7, Pa. PETTIN O S, George F., Sr. (R) George F. Pettinos, Inc. 1206 Locust St., Philadelphia 7. Pa. PETTKER, J. H. (G) Latchford-Marble Glass Co. Box 4707, Florence Branch Los Angeles 1, Calif. 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.) PEYCHES, P. Ivan * Centre de Recherches' d la Ci de Saint-Gobain 52 Boulevard de la Villette Paris 19, France PFA U D LER Co. (Sidney W. McCann) 1000 West Ave., Rochester 3, N. Y. P F E IF F , C. H. (R) Curran-Pfeiff Corp. Box 527, Metuchen, N. J. PFEIFFER, Wilbur H. (E F I) Engineering Lab., Plant 2 Frigidaire Div., Genera] Motors Corp. Dayton 1,-Ohio . PFLEGER, George E. (M ) ' Harshaw Chemical Co. 3237 S. Garfield, Los Angeles 22, Calif. PHADKE, V. S. Centrsil Potteries, Ltd. Itwari, Nagpur 2, India PHELPS DODGE CORP. MORENCI BRANCH (L. L. McDaniel) Morenci, Ariz. PHELPS, Girard W. (W ) . 410 E. Magnolia Dr., Morrisville, Pa. (United Clay Mines Corp.) PH ELPS, Stuart M. (R F) Mellon Institute, Pittsburgh 13, Pa. PHILBIN, John P. (W ) 1567 McFarland Rd., Pittsburgh 16, Pa. (Vitro Mfg. Co.) PHILLIPS, Adrian W., Jr. (R) 316 Fairmont Ave., New Castle, Pa. TShenango China, Inc.) PH ILLIPS, Charles J. (G) Radio Corp. of America RCA Victor Div., Bldg. 8-5 Camden, N. J. PH ILLIPS, Donald G. (X) 2804 Lynne Ave., Hatboro, M.R., Pa. (Precision Grinding Wheel) PHILLIPS, Edwin L. (M I) Carolina Pyrophyllite Co. Box 2414, Greensboro, N. C. PH ILLIPS, 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.) PH ILLIPS James G. (R I) Dept, of Mines & Technical Surveys Mines Branch, Industrial Minerals Div. Lydia St., Ottawa, Ont., Canada PH ILLIPS, Leigh F. (B) Box 87, East Quogue, L. I., N. Y. (Brookhaven National Lab.) PHILLIPS, Richard A. ' Box 847, Alfred, N. Y. PHILLIPS, W. Eric (G) Duplate Canada Ltd. 50 St. Q air Ave. W. Toronto, Ont., Canada PHOENIX, Richard Carl (W JI) 931/ Elm St., South Dartmouth, Mass. (Comell-Dubilier Electric Corp.) PICKARD, M. H. (M) Pacific Coast Borax Co. Div. of Borax Consolidated, Ltd. 100 Park Ave., New York 17, N. Y. PICKETT, A. R. (R) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. PIEPER , Arthur O. (M) 105 Trevor Court Rd. Rochester 10, N. Y. (Heany Industrial Ceramic Corp.) PIE R C E GLASS CO. (J. G. Bozzo) Port Allegany, Pa. PIERCE, J. Allen (R) 798 Chalmers PI., Pittsburgh 16, Pa. (Harbison-Walker Refractories Co.) PIERPONT, Harlan T,, Jr. (R) Norton Co., 1 New Bond St. Worcester 6, Mass. PIERSON, James F. (M I) . Pemco Corp., Sales Dept. . 5601 Eastern Ave., Baltimore 24, Md. PIKE, Robert D. (R) Brook Lane, Greenwich, Conn. (Consultant) PILKINGTON, Lawrence H. A. Messrs. Pilkington Bros., Ltd. Glass Works, St. Helens, England . PILK IN G TO N 'S T IL E S SOUTH AFRICA (PTY.) LTD. (G. N. Downing) Box 70 Meyerton, Transvaal, South Africa PINCUS, Alexis G. (G) 1061 Glenwood Blvd. . Schenectady 8, N. Y. (General Electric' Co.) PINNEY, J. M. (W ) Harker Pottery Co. East Liverpool, Ohio Roster 69 riNNOW, Parley R. (W ) r Pond S't., .R. R /1 9 East Liverpool, Ohio (Hall China Co.) ,,MOTTI, Fred D. (G) 1 2324 'Middlesex Dr., Toledo, Ohio' '{amble Glass Co.) . LA, J. Donald (R) Corning Glass Works, Corning, N. Y. PITTENGER, John T. (W) r Box 207, Newell, W. Va. (Homer Laughlin China Co.) pjTTMAN, Jack . 3932 E. Mercer Way Mercer Island, Wash. PITTMAN, William C. (R) 1119 Omena PL, Cincinnati 38, Ohio ' (Chas. Taylor Sons Co.) plTTS, Joseph W. (E) National Bureau of Standards Enameled Metals Section Washington 25,-D. C. PITTSBURGH CORNING CORP. (W alter D. Ford) Technical Dept. Port Allegany, Pa. PITTSBURGH PLATE GLASS CO. (S. F. Cox) Creighton, Pa. plXLEY, David M. (GJ) Paris Rd., New Hartford, N. Y. plXLEY, Francis V. (S) . 358 Grand St., Newburgh, N. Y. (Swindell-Dressler) PLACE, Tom M. (W I) 6250 S. F airfax Ave. Los Angeles 56, Calif. (Place Industrial Ceramics Corp.) PLACE, Thomas M., Jr. (W ) 7909 Alverstone Ave., Apt. 12 Los Angeles 45, Calif. ' (Place Industrial Ceramics Corp.) PLAGGE, Vernon L. (G) 489 Park Ave., East' Orange, N. J. (Westinghouse Electric Corp.) .PLANJE, Christian W. (R I) 'Gladding, McBean & Co. : /945 Elliott Ave. W., Seattle 99, Wash. PLANJR, Theodore J. M. (B) 4 Summit Ave., Rolla, Mo. ?r- (Missouri School of Mines) ::PLANKENHORN, William J. (E l) 204 Ceramics Bldg. ' University of Illinois, U rbana,' 111. PLEASANTS, Luther E., Jr. (G) ! 6002 Brookfield Rd., Richmond, Va. (Allied Chemical & Dye Corp.) PLOETZ, Edwin C. H. (E) 708 S. Lincoln Ave., Kankakee, 111. (A. O. Smith Corp.) 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 i . Lawrence, Kans. PLUNKETT, Jerry D. i Box 217, Dixon, Mo. r PLUNKETT, Richard G. (G) . ? 4494 Culver Rd., Sea Breeze, N. Y. ; . (Bausch & Lomb Optical Co.) ' PLUSCH, John A. (W ) 63 Spruce St., Westfield, Mass. (Cortland Grinding Wheels Corp.) t POFFENBERG, Scott (M) 11616 Chenault St. 1 Los Angeles 49, Calif. POISSON, Louis Faiencerie de Badonviller Badonviller, Meurthe et Moselle, France POLAND, Milton E. (I) 523 S. Pleasant St., Royal Oak, Mich. POLAR, Alfredo (W ) National Tile & Mfg. Co. Anderson, Ind. POLE, Gordon R. (B FI) 2S92 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.) POLSON, John B. Box 148, Hartsville, S. C. POMEROY, William T. (W ) Sterling China Co. East Liverpool, Ohio POND, Marvin H. (R) 224 Thornton St., Hamden 14, Conn. (Olin Industries, Inc.) POOLE, James P. (G) Brockway Glass Co., Inc., Plant 2 HrAAimiav Pa PORCELAIN METALS CORP. (P . B. McBride) 1400 S. 13th St. Louisville 10, Ky. PORST, Edward G. (E l) 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. Box 1031, Baton Rouge, La. PORTER, Rudyard (E ) United States Steel Corp. 208 S. LaSalle St., Rm. 1655 Chicago 90, 111. PORTER, Sidney C. (R ) Box 34, East Liverpool, Ohio (Globe Brick Co.) PORTER, Wallace S. (W ) Universal-Rundle C o., Box 188 Hondo, Texas POSEY IRON W ORKS, INC. (Frank A. Fix) Lancaster, Pa. POSLUSZNY, Raymond F. (R) 242 E. Meehan Ave. Philadelphia 19, Pa. (Refractory Specialties Co.) POST, Benjamin F. (R I) Cortland Grinding Wheels Corp. Chester, Mass. POST, Zarr A. (X) 5020 Elm St. " Bethesda, Washington 14, D. C. (Division of ACF Industries, Inc. ACF Electronics) POSTE, Emerson P. (E FI) 309 McCallie Ave. . Chattanooga 3, Tenn. (Consultant) POSTLEW AITE, Donald E. (W I) Universal-Rundle Corp., Box 300 Redlands, Calif. - POTTERS SUPPLY CO. (William W. Irwin) East Liverpool. Ohio POTTS, Amos P. (S F ) 359 E. Main St., Logan, Ohio (Logan Clay Products Co.) POUILLY, Marcel L. (W ) 14902 Center Ave., Harvey, 111. (Illinois Spray & Equipment 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. - 420 Ft. Duquesne Blvd. Pittsburgh 22, Pa. 'V o l . 33, N o. 10 (1954) POWELL, John A. (W ) 65 Kingwood Ave., Frenchtown, N. J. (Frenchtown Porcelain Co.) POWELL, L. F. (M) Old Hickory Clay Co., Box 271 Paducah, Ky. POWELL, O. E. (S) Indiana Drain Tile Co., Inc.. 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, 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 Industy Bangkok, Thailand PRATT, Donald S. (E ) 3504 Sixth Ave., Beaver Falls, Pa. (Ingram-Richardson Mfg. Co.) PRECISION GRINDING W H EE L CO., INC. (Roland J. Clark) 8301 Torresdale Ave. Philadelphia 36, Pa. PRESCOTT. Frank R. (G) 1811 Kimball Ave., Arnold, Pa. (Pittsburgh Plate Glass Co.) PRESCOTT, Mary Jane (D) 2126 Sherwood Ave., Louisville, Ky. PRESTON, Frank W. (G) Preston Labs., Butler,'Pa. PREWITT, J. K. (S) Elgin Standard Brick Mfg. Co. Elgin, Texas PREY, Arthur H. (M) Carborundum Co., Niagara Falls, N. Y. PRICE, Glen M. (R) - General Refractories Co., Box 1673 Baltimore 3, Md. PRICE, James E. (R) 44 W. Guernsey Ave., Abington, Pa. (Simonds Abrasive Co.) PRIDDY, K. O. (S) Barium Reduction Corp. South Charleston 3, W. Va. PRIESTLEY, J. Edward Hundy Brick & Fireclay Co., Ltd. Box 14, Huntly, New Zealand PRIMM, Herbert E. (R) 1658 Elevado Ave., Arcadia, Calif. (Harbison-Walker Refractories Cp.) PRINCE, Alan T. (BI) Mines Branch, Ottawa, Ont., Canada PRINDLE, William R. 354 Westgate W., Cambridge 39, Mass. PRIOR, Gordon M. (W ) 229 Haven Ave., Scotch Plains, N. J. (Specialized Ceramics Corp.) PRIOR, Harold D. (M I) Box 47, Stanton, N. J. (Titanium Alloy Mfg. Div., National.Lead Co.) PROCTER & GAMBLE CO. (D ..R. Byerly) M. A. & R. Bldg., Ivorydale 17, Ohio PROCTOR, W. J., Jr. (B) Southern Clays, Inc., Gordon, Ga. PROKOPEC, Robert (G) 309 N. Tillotson Ave., Muncie, Ind. (Ball Bros. Co., Inc.) PROMAT DIVISION, POOR & CO. (A. E. Chester) 851 S. Market St. Waukegan, 111. PRYOR, Edward K. (R) 902 N. Acacia, W hittier, Calif. (Pryor-Giggey Co.) Roster 71 pl/CKETT, John P,, Jr. (G) f Leeds .& Northpip Co. ' 4901 tenton Ave-. Philadelphia 44, Pa. pUEKTO R ICO * CLAY PRODUCTS CORP. (F. Torres Campos) Box 4729 San Juan, Puerto Rico - -'.ASKI, Marie E. (W ) 322 E. 79th St., Cleveland 3, Ohio (Clevite Brush Development Co.) pULLlAM, George R. . 474 Pammel Court, Ames, la. pLS, Josef "Austria" United Enamel Works Wilhelminenstr. 80 Vienna XVI, Austria pUMPHREY, William I. Murex Welding Processes Ltd. Hertford Rd. Waltham Cross, Herts, England pUNTEY, L. E. (R I) 8021 Titus Rd., St. Louis 14, Mo. (Laclede-Christy Co.) : pUPULIDY, Alexander (R) . 34-18 91st St., Apt. A-41 ; Jackson Heights 72, L. I.; N. Y. - (Arabian -American Oil Co.) pURCELL, Burnette (S) ' : Northwestern T erra Cotta Co. 1750 Wrightwood Ave., Chicago 14, 111. PURNELL, Hugh J. (R) 761 Loretta St., Pittsburgh 17, Pa. ; (United States Steel Corp.) pYRO REFRACTORIES CO. ` (O. E . Miller) Box 466 Oak Hill, Ohio ' Q QUIGLEY CO., IN C . (R. J. Demaison) 527 Fifth Ave., New York 17, N. Y. QUIRK, John F. (W ) 2235 Barrymore Ave., Columbus, Ohio (Battelle Memorial Institute) QUIRK, Virgil P . (S) - Old Hartford Rd., R. R. 2 : ' Owensboro, Ky. J (General Electric Co.) R ? RABE, N. a . (W ) 10 W . Palmer Ave., Collingswood, N. J. (Universal-Rundle Corp.) RADCZEWSKI, Otto-Emst Institut fr Gesteinshuttenkunde Mauerstrabe 5, Aachen, Germany RADIO MATERIALS CORP. (-R. D. Bourgerie) 3325 N. California Ave., Chicago 18, 111. RAGATZ, Eugene C. (E ) Allen-Bradley Co. 136 W. Greenfield Ave. Milwaukee 4, Wise. RAGGON, Frank C. (G) 4202 Bowen Rd., Toledo 13, Ohio (Owens-Illinois Glass Co.) RAIBLE, A. J. (W) John Douglas Co., Cincinnati 16, Ohio RAINE, Frank F. (RI) 111 E. Vine St., Mexico, Mo. (Mexico 'Refractories Co.) RAINEAR, John F. (W ) 73 Sharon Ave., Hamburg, N. Y. (Buffalo Pottery, Inc.) RAIT, J. R. Research Dept., Hadfields Ltd. E ast Hecla Works, Sheffield 9, England RALSTON, O. C. (MF) 4333 Clagett Rd., Hyattsville, Md. (U . S. Bureau of Mines) RALSTON, Thomas E. (M) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. , Pittsburgh 22, Pa. Am , Atma . Central Glass & Ceramic Research Institute P. O. Jadavpur College Calcutta 32, India .Vol. 33. N o. 10 (1954) ' .RAMM, Eric H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth, West Australia RAMSDEN, C. E. C. E. Ramsden & Co. Ltd. Foley Colour & Chemical Works Fenton, Stoke-on-Trent, England RAM TITE CO. (Louis J. Jacobs) 2563 W. 18th St., Chicago 8, 111. RANDALL, Theodore (D)- Randall. Pottery, Wellsvilie, N. Y. RANDOLPH, Hal F. (R) Mexico Refractories Co., Mexico, Mo. RANDOLPH, Robert L., Jr. 1856 Ardmore Rd., N. W., Atlanta, Ga. RANKIN, James J. (M) St. Joseph Lead Co., Box 97 Monaca, Pa. RANKINE, Adam S. (R) Martinsville, N. J. (Johns-Manville Corp.) RAPP, Carl H. (W I) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. RAPP, S. W., Jr. (W ) Morton Pottery Co., Morton, IU. RASE, Daniel E. 137 E. Park Ave., State College, Pa. RASMUSSEN, R. K. (G) . Mississippi Glass Co., Fullerton, Calif. RASMUSSEN, Wayland G. (S) Mason City Brick & Tile Co. Mason City, la. RASSNER, Donald D. (W I) 224 E. Northview Ave., New Castle, Pa. (Universal-Rundle Co.) 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, Corning, N. Y. (Corning Glass Works) RAUCH, Harry W. (G) 415 W . Hickory St. East Rochester, N. Y. (Pfaudler Co.) RAUSCHER, Louis G. (GJ) 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 Piace, Mineola, L. J., N. Y. RAY, John M. 938 Maple Ave., Zanesville, Ohio RAY, Sushil 20-C, Southern Ave., Calcutta 26, India REA, Robert F. (RI) Stupakoff Ceramic & Mfg. Co, Latrobe, Pa. REAGAN, Cornelius J. (S) 410 Center St., Rear Pittsburgh 21, Pa. (Van Ormer Brick Co.) REBCHOOK, Gregory V. (W I) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. REDLICH, Paul L. (M) Rotdspray Mfg. Co. 562 W. Washington Blvd. Chicago 5, 111. 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 (GJ) Rutgers University, Ceramics Dept. New Brunswick, N. J. REED, Norman D. (S JI) What Cheer Clay Products Co. What Cheer, la. REED, Paul H. (K) 310*/, Fairmont Ave., New Castle, Pa. ' (New Castle Refractories Co.) REEVES, Harold (W ) 343 E. Taggart St. East Palestine, Ohio (Fitzpatrick Industries) 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 4051 N. High St., Columbus 14, Ohio REID, H arry F-, Jr. (M) McKay Co., GrantleyRd., York, Pa. REILLY, Alfred F.. Sr. (W) Evans Case C o., 21 East St. North Attleboro, Mass. REIMER, John J. (W I) Keystone Ceramic Corp. Bendersville, Pa. REIN, Peter (W) 626 Cornelia, Chicago, 111. (Chicago Pottery Co.) REINK ER, Arthur G. (R) Johns-Manville Sales Corp. 1530 Guildhall Bldg. Cleveland 15, Ohio REINKER, Gerald E. (G) General Electric Co., Lamp Dept. 1133 E . 152nd St., Cleveland 12, Ohio REISCHEL, Frank (W) 2733 Mayflower, Arcadia, Calif. (Dilectron Inc.) R EISIN G, Joseph A. (M) St. Joseph Lead Co., Zinc Smelting Div. Monaca, Pa. REISS, Max S. (E) 406 N. Front St., Wheeling, W. Va. (Bellaire -Enamel Co.) REMDE, Harry F,, Jr. General Ceramics & Steatite Corp. Keasbey, N. J. REMINGTON, Victor H. (G) B. F . Drakenfeld & Co., Inc. Box 519, Washington, Pa. REMMEY, G. Bickley (RF) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. REMMEY, John G. (R) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. REMMEY, RICHARD C., SON CO. (G. Bickley Remmey) Hedley St. & Delaware River Philadelphia 37, Pa. . . REMPES, Paul E,, Jr. (I) 2B Cunningham St., Duncan Knoll Chicopee Falls, Mass. RENFREW, J. Harvey (S) 31 Linden Park St., Roxbury 20, Mass. (Herman G. Protze) RENOUF, Leonard J. (R) 342 CJiurch St., Youngstown, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) RENSKERS, Richard H. (W I) 85 Adelaide Ave., Highland Park, N. J. American Radiator & Standard Sanitary Corp.) REPUBLIC STEEL CORP. (Burton Longwell) 1423 Republic Bldg. Cleveland 1, Ohio RESER, Margie , K. 977 Carlisle Ave., Columbus 11, Ohio (American Ceramic Society) REUNING, Charles R. (RJ) ' 35 Osborne St., Wellsvilie, N. Y. (Big Savage Refractories Corp.) Roster .73 . rEUNING, George W., Jr. (R I) 35 Osbome St., Wellsville, N. Y. (Big Savage Refractories Corp.) rEUSCHE, Frank L. (W ) ' 145? Clinton Ave., Irvington 11, N. J. (L. Reusche & Co.) UTER, Raymond (R ) (National Aluminate Corp. 6216 W . 66 PI., Chicago 38, 111. REYNOLDS, Harry- M. (G) Renite Co., Box 365, Sta. A. Columbus, Ohio rHOADS, James L. (GJ) 1410 Springside D r., Lancaster, Pa. (Radio Corp. of America) RHODES, Foster T. (W ) . Onondaga Pottery Co. Syracuse 4, N. Y. RHODES, Frank R., Jr. - Georgia Tech, Box 3141, Atlanta, Ga. RHODES, Fraser B. (W I) 7134 Maple Ave., Madeira, Ohio (John Douglas Co.) RHODES, Ralph E., Jr. (M) United Clay Mines Corp. - _ Oakland & Prospect Sts. * Trenton'6, N. J. RHODES, Ralph R. (R FI) 1729 Powell St-, Norristown, Pa. (E. J. Lavino & Co.) RHOTON, Donald G. (M ) . 18956 Devonshire Rd- Birmingham, Mich. " (Peninsular Grinding Wheel Co.) RICCI, Edward Michael (R JI) 817 Main St., Dickson City, Pa. (Harbison-Walker Refractories Co.) RICE, Hal H. (W I) . 17 W . 25 Oak Lane Dr., Oakdale Woods Bensenville, 111. (Armour Research Foundation) RICE, M urray J. (B ) . 133 N. Main St., Alfred, N. Y. (New York State College of Ceramics) r 'E, William H. (B) , f General Electric Co. J Glass Technology Laboratory 1133 E . 152nd St., Cleveland 10, Ohio -- RICH, H erbert W . (M) Amherst, Va. ' (Dominion Minerals Div., Riverton Lime & Stone Co., Inc.) . RICHARD, Giulio A. ' Via Cernuschi 1, Milano, Italy (Societa Ceramica Richard-Ginori) RICHARDS, Thomas Z. (RJ) 10 Underwood St., Worcester, Mass. (Norton Co.) RICHARDSON, H. K. (GF) 41 Yantecaw Ave., Bloomfield, N. J. (Consultant) 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. (E F I) 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.) N : RICKER, Richard W. (X I) Aluminum Co. of America Aluminum Research Labs Box 772, New Kensington, Pa. RICKEY, J. H., Jt. (R) Ironton Fire Brick Co. Box 124, Ironton, Ohio p D E L L , W. A., CO. (W . H . Merkel) American Clay Machinery Div. Bucyrus, Ohio . RIDDLE, Frank H. (W FI) 14 Upland Rd., Colorado Springs, Colo. (Champion Spark Plug Co., Ceramic Div.) RIDDLE, Robert F. (G) . Pennsylvania Glass Sand Corp. 140 Stanwix St., Pittsburgh 22, Pa. RIDGEWAY, Thomas J., Jr. (R J) 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. .(WF) Bell Telephone Labs. Murray Hill, N. J. R IIS, 'Asgeir (M) Robeson Process Co. - 500 Fifth Ave., New York 36, N. Y. RIKER, Leon W., Jr. (GJ) 203 W. California St., El Paso, Texas RILEY, James H. (S) 125 E. Ninth St., Jacksonville 6, Fla. (Rowland Tompkins & Son, Inc.) RILEY, Roger R. (R) Gladding, McBean & Co. Pittsburg, Calif. RINDONE, Guy E. (G) Department of Ceramics Pennsylvania State University State College, Pa. RISPLER, Z. W. Palestine Glass Works "Phoenicia" Ltd., Box 168 Haifa, Israel RITLAND, Harold N. (G) Research Lab., Corning Glass Works Corning, N. Y. RITTER, Joseph S. (G) Adamston Flat Glass Co. Clarksburg, W. Va. RITTLER, Hermann Box C-C, Alfred University Alfred, N. Y. RITZ, Joseph W . (G) Sylvania Electric Products, Inc. 83-30 Kew Gardens Rd. Kew Gardens, L. I., N. Y. RIVERS, Wayland C., Jr. (S) Box 1131, Austin 66, Texas (Elgin Standard Brick Mfg. Co.) ROACH, H. C. (R) American Radiator & Standard Sanitary Corp. Bessemer Bldg., Pittsburgh, Pa. ROBB, Richard B. (G) 5600 Fifth Ave., Pittsburgh 32, Pa. (United States Steel Corp.) ROBBINS, David (W ) 8151/ Crestmoore PI., Venice, Calif. (L. H. Butcher Co.) ROBBINS, Ross W-, Jr. Kappa Psi Upsilon, Alfred, N. Y. ROBERSON, Cletis L. (G) 350 Moull St., Newark, Ohio (Owens-Coming Fiberglas Co.) ROBERTS, John Taggart (E l)' 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 (S) 116 Carpenter Ave. Crestwood, Tuckahoe 7, N. Y. (Port of New York Authority) ROBERTSON, James A. (R) Box 1061, Newark, Calif. ' (Westvaco Mineral Products Div.) ROBERTSON, John M. (E J) 3008 Rosedale Blvd., Louisville 5, Ky. (American Radiator & Standard Sanitary Corp.) ROBERTSON, Leon F. (G) Brockway Glass Co., Inc., Brockway, Pa. Vol. 33, N o. .10 (1954) ROBERTSON, R. Kenneth (S) 101 Et. Henri St. Laprairie, Que.; Canada (Laprairie Co. Inc.) ROBERTSON, Randal K. (S) 906 University Tower Bldg. Montreal, Que., Canada (Laprairie Co. Inc.) . R OBESON PROCESS CO. ( 'Asgeir Riis) 500 F ifth Ave., New York 36, N. Y. ROBILLARD, Harvey J: (R) Exolon Co., Tonawanda, N. Y. ROBINSON CLAY PRODUCT CO. (W . E . Robinson) Box 1070 65 W . State St., Akron 9, Ohio ROBINSON, F. George (S) 500 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, Philip W. (G) R. R. 2, Box 539, Washington, Pa. (A rthur W . Schmid Co.) ROBINSON, Phillip 23 Pymble Ave. ' ' Pymble, N.S.W., Australia . (Gallard &Robinson Ptyi Ltd.) ROBINSON, Richard E. (R) . 315 S. High St.,' Zelienople, Pa. . (Johns-Manville Corp.) . . ROBINSON, Richard R. (SI) 2232 Parkway Blvd., Alliance, Ohio (Alliance Clay Product Co.) ROBINSON, W. E. (R) Robinson Clay Product Co. Box 1070, 65 W . State St. _ - Akron 9, Ohio ' - ROBSON, H. L. (G) 2 W ater St., Lewiston, N. Y. (Mathieson Alkali Works, Inc.) ROBSON, James T. (M FI) Allied Engineering Division Ferro Corp., 4150 ,E. 56th St. Cleveland 5, Ohio ROCHE, L. C. (G F) Maryland Glass Corp. 2147 Wicomico St., Baltimore 30, Md. ROCHESTER, Thomas W., Jr. (G) 210 Delevan Ave., Coming, N. Y. (Coming Glass Works) ROCHOW, W. F. (RF) Harbison-Walker Refractories Co. ' 1800 Farm ers Bank Bldg. Pittsburgh 22, Pa. ROCKWELL, Robert E. (D) 4910 234th St., S. W . Edmonds, Wash. (Sound Earthenwares) RODEFER, Howard H. (G) Rodefer-Gleason Glass Co. Box 550, Bellaire, Ohio RODGERS, Eben, Jr. (S) Alton Brick Co., Alton, 111. RODMAN, Clarence J. (E ) Box 809, Alliance, Ohio (Alliance W are, Inc.) RODRIGUEZ, Alfonso F. (G) Vidriera Monterrey, S. A. Apartado 162, Monterrey, N. L., Mexico RODRIQUEZ, A. R. (W I) 29 Pine St., Franklinville, N. Y. (Hi-Q Div.) erovox Corp.) - RODRIGUEZ, Eduardo (E) Cia Industrial del Norte Apartado 226, Saltillo, Coah., Mexico ROE, Lawrence A. (G) 1501 Vilas Ave., Madison 5, Wise. (Bjorksten Research Labs., Inc.) ROE, Richard F. (W ) Porcelain Products' Inc. Parkersburg, W . Va. R oster 75 OFF, W. Wallace (M) * 14 Glenside Dr., West Orange, N. J. (Whittaker, Clark & Daniels, Inc.) gOGATZ, Alvin (B) . Zenith Radio Corp. t 6001 Dickens Ave., Chicago 39, 111. ^GERS, Edwin J. (W I) Scintilla Magneto Div. Bendix Aviation Corp., Sidney, N. Y. oOGERS, Gregory L. (R) 9S00 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) ROGERS, Melvin F. (R I) 55 Goff St., Corning, N. Y. (Coming Glass Works) ROGERS, Thomas S. (M) 3720 Windoni PI., 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 (J) Emmalaan 11, Baaraj Netherlands (Anker Emaille Fabrieken N.V.) ROONEY, Thomas E.. I l l (R) Empire Fire Brick Co. 219 Murray, Fort Wayne, Ind. ROOT, H . Dean (W I) Westinghouse Electric & Mfg. Co. K-80, Materials Engineering Dept. East Pittsburgh, Pa. ' ROOT, Lawrence L. (W ) Stanford Pottery Inc. 40 S. 15th St., Sebring, Ohio ROQUES, Rodney A: (W ) University of Texas Austin 12,' Texas ROSE, Ralph (R I) E . J. Lavino & Co. Box 29, Norristown, Pa. 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) ROSENWINKEL, George O. (R) North American Refractories 59 E. Van Buren, Chicago, 111. ROSEVILLE POTTERY, INC. (Robert P. Windisch) Zanesville, Ohio ROSHONG, Robert L. (R) Steel & Tube Div., Library Timken Roller Bearing Co. Canton 6, Ohio . ROSICLARE LEAD & FLUORSPAR MINING CO. (Arthur H . Cronk) Box .49, Rosiclare, 111. ROSLUND, J. A. (R) Globe Brick Co., East Liverpool, Ohio ROSS, Donald W. (R F I) . 5929A Oakhurst PI., St. Louis 12, Mo. (Consultant) . ROSS, Howard, II (EJ) 3410 Archwood Ave., Cleveland 9, Ohio (Ferro Corp.) ' ROSS, Paul F ..(R I) 320 Constitution Ave., Hellertown, Pa. (Bethlehem Steel Co.) ROSS-TACONY CRUCIBLE CO. (A. M. Johnson)., Tacony, 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.) Vol. 33, No. 10 (1954) ROTHERMEL, Joseph J. (G) Coming Glass Works, Research Lab. Coming, N. Y. ROTHW ELL, William S. (G) Coming Glass Works Research & Development Div. Corning, N. Y. ROUDABUSH, Ned W. (R) 311 Candlewood Rd., Broomall, Pa. (General Refractories Co.) ROUGH, Robert R. (G) Owens-Illinois Glass Co. Technical Center 1700 N. Westwood Ave., Toledo 7, Ohio ROUP, Rolland (W F I) Globe-Union Inc. 900 E. Keefe Ave. Milwaukee 1, Wise. ROUS, William C., Jr. (B I) % L. L. Land, Box 667 Merkel, Texas ROVANI, Tedd (X) Evans Case Co. 21 East St., North Attleboro, Mass. ROWLAND, Davidge H . (W I) Porcelain Insulator Corp., Lima, N. Y. ROWLAND, Donald A. (D ) 622 S. Morton St., Okmulgee, Okla. (Oklahoma A & M College) ROWLAND, R. W. (W ) New Castle Refractories Co. New Castle, Pa. ROWLAND, Richards A. (B) Exploration.& Production Res. Div. Shell Development Co. 3737 Bellaire Blvd., Houston 25, Texas ROWLAND, Roger W. (MF) New Castle Refractories Co. New Castle, Pa. ROWLANDS, Robert R. (W I) . Universal-Rundle Corp. Box 960, New Castle, Pa. ROY, H. N. Indian Ceramic Society Dept, of Ceramics, Benares Hindu Univ. Benares, India ROY, Rustum (B) Pennsylvania State University 221 Mineral Sciences Bldg. State College, Pa. ROYAL CHINA, INC. (B. L. Miller) Sebring, Ohio ROYAL, Herbert F. (W F) 845 Pilgrim Rd., Birmingham, Mich. (Champion Spark Plug Co.) RUARK, A. E. (G) Dept, of Physics University of Alabama, University, Ala. RUDD, Richard D. (M) Carborundum Co. 3335 W. 47th St., Chicago 32, 111. RUDOLF, Paul E. Stoneware Factory Embrach, Ltd. Embrach (Zurich), Switzerland RUETTINGER, T. O. (S) Flat Rock Clay Product Co. 26280 Arsenal Rd., Flat Rock, Mich. RUGG, Ormund I. (G) 13615 Meyers Rd., Detroit 27, Mich. (Ford Motor Co.) RUGH, Kenneth A. (R) Garfield Refractories Co. Bolivar, Pa. RUH, Edwin . 1012 Vermont Ave., Apt. 2 Pittsburgh 34, Pa. RUH, Robert 194 Willow Ave. Ext. North Plainfield, N. J. RUIZ, Jorge Martin (R) Amerex Ingenieros, S. A. Gante 7, Mexico 1, D. F. RUIZ, Robert A. (R) 114 W. Home St., Vandalia, Mo. (Walsh Refractories Corp.) RULON, Richard M. (G) Sylvania Electric Products, Inc. 60 Boston St., Salem, Mass. RUSHMORE, Murray, Jr. (W) Moore & Munger 33 Rector St., New York 6, N. Y. RUSO. Felipe B. Galiano 109, Habana, Cuba (General Glass Equipment Co.) RUSOFF, Samuel (R) 181 S. Monroe St., Tiffin, Ohio (Basic Refractories Inc.) RUSSELL, Charles K. (X J) 5796 Access Rd., Dayton 3, Ohio (Wright-Patterson A.F.B.) RUSSELL, George A., Jr. 58 N. Freeman Rd. Orchard Park, N. Y. RUSSELL, Graden J. (E J) Fletcher, N. C. RUSSELL, Howard F. (E) 3118 Woodworth PI., Hazelcrest, 111. (Ingersoll Products Div., Borg-Wamer Corp.) RUSSELL, Lewis E. Graduate House; Mass. Inst; of Tech. Cambridge 39, Mass. RUSSELL, Norman Keith (RI) St. Davids Park Apts. St. Davids, Pa. (Norton Co.) RUSSELL, Ralston, Jr. (X FI) Dept, of Ceramic Engineering 126 Lord Hall, Ohio State University Columbus 10, Ohio RUSSELL, Robert G. (G) R. R. 2, Granville, Ohio (Owens-Coming Fiberglas Corp.) RUSTLESS IRON CO., LTD. (H. Whitaker) Trico Works Keighley, England RYAN, D. Edward Curran Engineering, Ltd. Cardiff, Wales RYAN, Joseph D. (G) ' . 3018 Middlesex Dr., Toledo 6, Ohio (Libbey-Owens-Ford Glass Co.) RYCKMAN, David A., Sr. (W) Bloomville, Ohio (Technician) RYDER, John W. (D) ,2475 N. W. Overton St. Portland 10, Ore. (Jefferson High School) RYDER, Robert J. 137 E. Park Ave., State College, Pa. RYER, Chester M. Box 449, Mattapoisett, Mass. RYLAND, H. W. (W) Coors Porcelain Co. 600 Ninth St., Golden, Colo. RYNDERS, Gerald F . (B) National Bureau of Standards Div. 9.7, Washington 25, D. C. RYSHKEW ITCH, Eugene (R) Kearfott Co., Inc., Little Falls, N. J. S ` - SADA, Patricio (E) Troqueles & Esmaltes S. A. "Apartado Postal 371 Monterrey N. L., Mexico SADOWSKI, J. Richard (W JI) 714 Fifth Ave. (Rear), Ford City, Pa. (E ljer Co.) SAIBEL, Edward (G) Carnegie Inst, of Tech. Schenley Park, Pittsburgh 13, Pa. SALINAS, Mario (G) -Montes Crpatos 625 Mexico 10, D. F., Mexico (Vidriera Mexico, S.A.) SALISBURY, William R. (W ) Lyndon Rd., Fayetteville, N. Y. (Onondaga Pottery) SALOMON, Allen X. (W ) 103 Village Dr., Apt. 112 Syracuse, -N. Y. (General Electric Co.) Roster 77 LTMAN, Donald (W ) 1831 E. Second St. Long Beach 2, Calif. (North American Aviation, Inc.) jiM ONS, Frederick C. (R) General Refractories Co. VFruitland Ave. i. Angeles S8, Calif. MPSON, J. Leonard (G) Mahoning Glass Works General Electric Co., 403 N. Main St. ' Niles, Ohio .MSON, A. William (G) ' 6 . F . Drakenfeld & Co. Inc. Box S19, Washington, Pa. iMUEL, Donald G. (R) 811 Buttonwood St., Norristown, Pa. (E. J. Lavino & Co.) vNBORN, Paul H. (W ) 2514-- 23rd St., Parkersburg, W . Va. vND, Reuben (W ) 8 N. Blount St., Madison 3, Wise. (Ceramic A rts Studio) vNDERS, Clyde A. (W ) American Colloid Co. Merchandise Mart, Suite 813 Chicago 54, 111. \NDERS, Herbert H. (D) 17926 Daves Ave., Los Gatos, Calif. (San Jose State. College) \NDERSON, K. W. John G. Stein & Company, Ltd. Bonnybridge. Scotland ANDFORD, Per Johan Folke ' Chalmers Tekn, Hogskola Goteberg, Sweden ANDMEYER, Karl H. (R) 908--87th St., Niagara Falls, N. Y. (Carborundum Co.) ANDS, George Imperial Smelting Corp. Avonmouth, Bristol, England ANFORD. Elbert A. (E) ^^^ Oakridge Dr., Rochester 17, N. Y. ' ludler Co.) ;AN iG U E L BREW ERY , GLASS FACTORY (A . Villa-Abrille) 132 Aviles. Manila, Philippines ANT, John W . (M) Universal-Rundle Corp. New Castle, Pa. ANTOMIERI, S. Lewis (RI) Box 8, Botkins, Ohio (Botkins Engineering) 5ARAKAUSKAS, Raymond (R) National Carbon Research Labs. Box 6087, Cleveland, Ohio 3UREN, Sarian Box 1-9, Alfred, N. Y. SARRAF, Edward M. (R) 20001 Laurel Ave. Rocky River 16. Ohio (Ha-bison-Walker Refractories Co.) SAUEREISEN, C. Fred (R) Sauereisen Cements Co. Sharpsburg Sta., Pittsburgh 15, Pa. SAULS, J. B. (MI) Funkhouser Co., Hagerstown, Md. SAUNDERS, Alfred C. (RI) . 90 Center- St., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) SAUNDERS, Hollis S. (E) O. Hommel Co., Box 475 Pittsburgh 30, Pa. SAUNDERS, R. H. (S) Box 349, Charleston 22, W. Va. (Charleston Clay Products Co.) SAVELL, Fred H. (M) 1901 E. Slauson Ave. 1 os Angeles 58, Calif. ; ):stem Talc Co.) SA\ lA , Francesco Istituto Siderurgico Finsider Villa Brignole-Corso F. M., Perrone, 24 Genova-Comigliano (Italia) SAWAI, Ikutaro Kyoto University, Kyoto, "Japan Vol. 33, N o. 10 (1954) 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. (E l) 456 Lynn Rd., Berea, Ohio (National Carbon Research Lab.) SCHAA, Ferdinand A., Jr. (W J) 84 Paumanake Ave., Babylon, N. Y. (Sylvania Electric Products Inc.) SCHABACKER, H. Eric (E) Erie Ceramic Arts Co. 423 W. 12th St., Erie, Pa. SCHAEFER. Carl F. (W) 327 Sheffield Ave., Flint, Mich. (A. C. Spark Plug Div. General Motors Corp.) SCHAEFER, William H. (RJ) 5331 Beeler St., Pittsburgh 17, Pa. (U. S. Steel Corp.) SCHAEFLE, Max Thayngen/SH, Switzerland (Tonwerke Thayngen A. G.) SCHATZKIN, Harvey (W) Architectural Tiling Co. Inc. Cass/Jackson Sts., Keyport, N. J. SCHAUSS, Edward P. (G) 2324 108th St., Toledo, Ohio (Owens-Illinois Glass Co.) SCHELBY, Frederick (G) Corning Glass Works, Corning, N. Y. SCHELL, Donald C. (E ) 2227 S. Gunderson, Berwyn, 111. (Armour Research Foundation) SCHIEFFERLE, James A. (E) 4501 Statton Rd., Ashfield Acres Louisville 2, Ky. (General Electric Co.) SCHIENE, Quentin J. (RJ) 7715 S. Shore Dr., Chicago. 49, 111. (U. S . Steel Corp.) SCHIFFERLI, Leo M., Jr. (R ) Haynes Stellite Co., Box 746 Kokomo, Ind. .. . SCHLACKS, Richard J. (GI) 4519 S. Wigger, Marion, Ind. (Radio Corp. of America) SCHLEGEL, Roland F. Rua Xavier de Toledo, 266-Sala 41 Sao Paulo, Brazil (Duresmalt, Industria ' ' & Comercio Ltda.) - SCHLEHR, W . Raymond (G I) Brockway Glass Co., Inc. Lapel, Ind. SCHLOFFMAN, J. Paul (E) Challenge Porcelain & Stamping Co. Grand Haven, Mich. ' 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) 2931 William Tell St., Slidell, La. (St. Joe Brick Works, Inc.) SCHNEIDER, 2nd Lt. Robert K. (I) 3401st Std. Sqdn., Box. 1449 Keesler Air Force Base, Biloxi, Miss. SCHOEMAKER, Clifford P. (R) Laclede-Christy Co., . ' 2000 Hampton Ave., St. Louis 10, Mo. SCHOENINGER, Irvin W. (BI) 5250 N. Shoreland Ave. Milwaukee 17, Wise. (Globe-Union Inc.) " SCHOENLAUB, Robert A. (R) 3470 E. Fifth Ave., Columbus 19, Ohio (Harrop Ceramic Service Co.) SCHOEPPEL, Norman (RI) 10 Elm Tree Dr., Mexico, Mo. (A. P. Green Fire Brick Co.) SCHOFIELD, H . Zane (W FI) 894 Chambers Rd., Columbus 12, Ohio (Battelle Memorial Institute) SCHOLES, Addison B. (G) 825 Lexington Ave., Warren, Pa. (Sylvania Electric Products, Inc.) SCHOLES, S. R. (GF) Box 752, Alfred, N. Y. (New York State College of Ceramics) SCHOLS, Leon V.F.M. Graaf Van Waldckstraat 33, Maastricht, Holland (E. Regout) SCHOONENBERG, P. J. % Bibliotheekcentrale N. V. Philips' Gloeilampenfabrieken Eindhoven, -Holland SCHOTSMA.N, J. . KruiSsfraat ' 31 Dieren, Netherlands (N.V. Emailleerfabriek "de IJsel") SCHOTTLAND, A. H. (G) . Standard Bent .Glass-Co., Butler, Pa. SCHOTTS, Walter H. (M l) 23 E.` Southington";Ave. Worthington, Ohio (H arrop Ceramic Service Co.) SCHRADER, David M. (R<) - - 742 Rotch Ave., Massillon, Ohio . ' (Republic Steel Corp.) * ' SCHRAMM, Edward (W F) ; Onondaga Pottery Co. Syracuse 4,N . Y- - SCHRECKENGOST) Don (DF) 2617 St. Clair Ave. East Liverpool, Ohio (Homer .Laughlin China Co.) SCHRECKENGOST, Viktor (W )' 226S Stillman Rd. Cleveland Hts. 18, Ohio (Salem China Co.) , SCHREIBER, Edward 5* ^ Box 948, Alfred, N-. Y. SCHRICKEL, Herman H,, Jr. (G) 178 E. Pulteney St., Corning, N. Y. (Coming Glass Works) ` ; - SCHROEDER, Fred W. (RF) A. P. Green Fire Brick Co. Mexico, Mo. .' . ' ; :r SCHROLL, J. R. (S) ' ' Manufacturers Equipment Co. 218 Madeira Ave., Daton 4, Ohio SCHUETZE, Ervin W. (R) ' 1310 E. Promenade St.,' Mexico, Mo. (A. P . Green Fire BrickCo.) SCHUH, Arthur E. (R) United States Pipe & Foundry Co. Burlington, N. J. . - --- SCHULHOF, Andres Lozadur, Grandes Fabricas .,.. Argentinas de Ceramics, S. A. Boulogne, F.C.N.G.B. . Buenos Aires, Argentina SCHULTZ, James B. (GI) 591 Minnesota Ave., Buffalo, N. Y. (National Gypsum Research Center) SCHULTZ, John, Jr. (E J) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio R oster 79 , cHULZ,`Eugene'lG., Jr. s 930 Grand Concourse, Bronx 56, N. Y. , cHUMACHER, William G. (E ) S 5956 N. Glenwood Ave. Chicago 40, III. (National Cylinder Gas Co.) URECHT, H. G. (SFI) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. cCHURTZ, D. D. .(GF) Sharp-Schurtz Co., Lancaster, Ohio SCHWAB, Leon B. (R ) 214 E. Home St., Vandalia, Mo. (Harbison-Walker Refractories Co.) SCHWALBE, F. G. (G FI) 1306 Craigwood Rd., Toledo 12, Ohio (Toledo Engineering Co., Inc.) SCHWARTZ, Bernard (B I) 35 Dogwood Dr., Bradford Hills, R.R.2 Downington, Pa. (Burroughs Corp.) SCHWARTZ, Harold A., Sr. (M ) 2028 Horace Ave., Abington, Pa. (Simonds Abrasive Co.) SCHWARTZ, M. A. (B I) WCRRL, Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio SCHWARTZWLDER; Karl (W FI) A C Spark Plug Div., General Motors Corp. Flint 2, Mich. SCHWEICKHARDT, William K. (R) 101 Ferry St., St. Louis 7, Mo. (Walsh Refractories Corp.) SCHWEITZER, Howard Y. (M) Schweitzer Equipment Co. 3764 Ridge Rd., Cleveland 9, Ohio SCHWENKLER, Theresa A. (G) 979 Grove St., Elmira, N. Y. (Corning Glass Works) . SCHWIETE, Hans-Ernst Institut fur Gesteinshuttenkunde Aachen, Mauerstrabe 5, Germany ' T T , J. W. (W) /Nestern Electric Co. Inc. 7640 Hawthorne Station Chicago 23, 111. SCOTT, Murray R. (G FI) Bausch & Lomb Optical Co. 635 St. Paul St., Rochester 2, N. Y. SCOTT, Robert M. (R J) ' 95 Lake Ave., Apt. 2 Worcester, Mass. ` .. (Norton Co.) SCOTT, Roger F. (G I) 911 E. Main St., Millville, N. J. (Armstrong Cork Co.) SCOTT, W . J. (W ) Western Electric Co. Inc. 2525 Shadeland Ave. Indianapolis 6, Ind. SCOTT, William D. 7707 Water St., Olmstead Falls, Ohio SEABRIGHT, Clarence A. Harshaw V* Coiffe S. A. Boite Postale No. 208 Limoges (H aute V* 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.) SEARLE, Alfred B! 62, Moorcliffe, Skircoat Moor Rd. Halifax, York, England (Consultant) SEARSON, Leslie James Oakes & Co. (Riddings) Ltd. acksdale, Notts, England v .TON, Max Y, (R F) . Food Machinery & Chemical Corp. 161 E. 42nd St., New York 17, N. Y. SEAWELL, Joe, Jr. (S) Miller Equipment Co., Inc. Box 1566, Salisbury, N. C. Vol. 33, No. 10 (1954) SECKMAN, Harry D. (W I) 131 E. Riverside, Peru, Ind. (Square D Co.) SECORD, Robert N. (W) Godfrey L. Cabot, Inc. Research & Development Dept. 38 Memorial Dr., Cambridge, Mass. SEDALIA, B. M. Titanium Alloy Mfg. Div., National Lead Co., Res. Lab. Box C,' Bridge Station Niagara Falls, N. Y. " SEDENKA, Anthony (E ) 1086 Magnolia Dr., Colonial Heights ' Washington, Pa. (B. F. Drakenfeld & Co., Inc.) SEELEY, E. L. (W ) 800 Lotus Ave., Chester, W. Va. (H arker Pottery Co.) SEEMANN, Wilhelm Pipersgatan 3, Stockholm, Sweden SEGELER, C. G. (M) American Gas Assn., 420 Lexington Ave. New York 17, N. Y. SEID EL, Joseph (W ) 1061/ S. Sweetzer Ave. Los Angeles 48, Calif. SE IPEL, 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.) SELLERS, John T. (RI) 109 Church St., Jackson, Ohio (Pyro Refractories Co.) SEMMELMAN, John O. (GI) Dentists Supply Co. of New York College & Grantley Ave., York, Pa. SEMPLE, William A. (R) Aluminum Co. of Canada, Ltd. Chemicals Div., 1700 Sun Life Bldg. Montreal, Que., Canada SENK, Johann Vienna XVII Dornbacherstr. 29, Austria (Radio Fabrik Ingelen- Porzellan Fabrik) SENTERS, Walter J. (R) Washington Brick & Lime Co. Spokane, Wash. SEPHTON, H. J. (G) Dominion Glass Co. Ltd. Chappie St., Hamilton, Ont., Canada SERVIS, Donald H . (W ) Robertson Mfg. Co., Box 848 Trenton 5, N. J. SETCHEL, Hayden Merritt (G) 105 Tenth St., Streator, 111. (Owens-Illinois) SEVERIN, Harold Box 787, Alfred, N. Y. SEVERSIKE, Carroll L. (E ) 84 Sutherland Rd., Apt. 10 Brighton, Mass. (Sylvania Electric Products, Inc.) 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.) SHAH, Chunilal P. Bombay Potteries & Tiles Ltd. United India Bldg. Sir Pherozshaw Mehta Rd. Fort Bombay, India SHALEK, Peter D. 132 N. East Ave., Oak Park, 111. SHAND, Errol B. (G) 155 Reynolds Ave., Corning, N. Y. (Corning Glass Works) HAND, Rodger L. (E) 4155 Dupuis Ave. Apt. 15 Montreal 26, Que., Canada (Ferro Enamels (Canada) Ltd.) SHANDS, Everett H. (E ) Florida Ceramic Tile Co., Box 451 Lakeland, Fla. SHANER, Herbert J. (R) Ramtite Co., 2563 W. 18th St. Chicago 8, 111. SHANKS, Douglas Shanks & Co. Ltd., Victorian Pottery Barrhead, Near Glasgow, Scotland SHANNON, Harry F. (E) United States Steel Corp., Rm. 2414 525 William Penn PI. Pittsburgh 30, Pa. SHAPIRO, Howard (BJI) 1410 East Ave., New York 62, N. Y. (W ard Leonard Electric Co.) SHAPLAND, James T. (X J) 2030 Waggoner Ave., Evansville, Ind. (International Harvester Co.) SHARDLOW, L. Russel (W I) RCA Victor Div. Radio Corp. of America 'Harrison, N. J. SHAfeP, Donald E. (GF) ' Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio SHARP, E. W. (RI) 62 N. High St., Jackson, Ohio (Pyro Refractories Co.) SHARTSIS, Leo (G) 4514 W. Virginia Ave. Bethesda 14, Md. (National Bureau of Standards) SHAVER, Richard C. (R) 317 Bear St., Syracuse 8, N. Y. (Cowles Chemical Co.) SHAVER, W. W. (G) 130 E. Fourth St., Corning, N. Y. (Corning Glass Works) SHAW, Anthony E. (S) Natco Corp., 327 Fifth Ave. Pittsburgh 22, Pa. SHAW, Clarence F. (W I) 2240 N. Manning St., Burbank, Calif. (Gladding, McBean & Co.) SHAW, L. I. (XI) Club DelMar, Santa Monica, Calif. (Consultant) SHAW, Myril C. (M FI) 553 Gates St., Philadelphia 28, Pa. (Asbestos Textile Institute) SHAW, Ronald H. (S) L. E. Shaw Ltd., 74 Bedford Row Halifax, N. S., Canada SHAYNA, Michael (W J) __ Medicine Hat Potteries Medicine Hat, Alta., Canada SHEARER, Walter L. (R) 15 Muirhead Ave., Trenton 3, N. J. (Rouse & Shearer) SHEARER, Wayne B. (R J) 116 W. King St., Malvern, Pa. (Foote Mineral Co.) SHEAROUSE, Lee A. (W ) 326 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) SHEEHAN, Robert W. (M J) Ceramic Supply Co., Crooksville, Ohio SHEERER, Mary G. (D F) 6540 Hamilton Ave., College Hill Cincinnati, Ohio SHEETS, Herbert D. (RI) 41 Marlowe Ave., Buffalo 19, N. Y. (Electro Refractories & Abrasives Co.) SHELDON, R. S. (E) 4224 LeFevre Dr., Dayton 9, Ohio (Frigidaire Div., General Motors Corp.) SHELL, Haskiel R. (B) U. S. Bureau of Mines Electrotechnical Laboratory Pine Road, Norris, Tenn. SHELLEY, C. B. (R I) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. R oster 81 XjiA N , Donald (W ), . 1831 E. Second St. , H>ag Beach 2, Calif. (forth American Aviation, Inc.) (JiONS, Frederick C. (R) general Refractories Co. j24" Fruitland Ave. Hi jgeles 58, Calif. (pi, .; J- Leonard (G) fahoning Glass Works General Electric Co., 403 N. Main St. (files, Ohio (SON, A. William (G) g, F. Drakenfeld & Co. Inc. Box 519, Washington, Pa. (UEL, Conald G. (R) 811 Buttonwood St., Norristown, Pa. (E. J- Lavino & Co.) 4BORN, Paul H . (W ) 2514--23rd St., Parkersburg, W. Va. fD, Reuben (W). 8 N. Blount St., Madison 3, Wise. (Ceramic Arts Studio) tfDERS. Clyde A. (W ) American Colloid Co. Merchandise Martr Suite 813 Chicago 54, 111. MDERS, Herbert H. (D) 17926 Daves Ave., Los Gatos, Calif. (San Jose State College) JiDERSON, K. W. John G. Stein & Company, Ltd. Bonnybridge, Scotland NDFORD, P er johan Folke ' Chalmers Tekn, Hogskola Goteberg, Sweden . NDMEYER, Kar! H. (R) 908--87th St., Niagara Falls, N. Y. (Carborundum Co.) .NDS, George Imperial Smelting Corp. Avonmouth, Bristol, England iNFORD, Elbert A. (E) 375 Oakridge Dr., Rochester 17, N. Y. (R ' adler Co.) iN i )U EL BREW ERY Gv J S FACTORY CA. Villa-Abrille) 132 Aviles. Manila, Philippines VNT, John W . (M) . Universal-Rundle Corp. New Castle, P a .' VNTOMIERI, S. Lewis (R I) Box 8, Botkins, Ohio (Botkins Engineering) 1RAKAUSKAS, Raymond (R) National Carbon Research Labs. Box 6087, Cleveland, Ohio BREN, Sarian . Box 1-9, Alfred, N. Y. \RRAF, Edward M. (R) 20001 Laurel Ave. Rocky River 16. Ohio (H a''bison-Walker Refractories Co.) AUEREISEN, C. Fred (R ) Sauereisen Cements Co. Sharpsburg Sta., Pittsburgh 15, Pa. AULS, J. B. (M I) Funkhouser Co., Hagerstown, Md. AUNDERS, - Alfred C. (R I) 90 Center St., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) SAUNDERS, Hollis S. (E ) O. Hommel Co., Box 475 Pittsburgh 30, Pa. SAUNDERS, R. H. (S) Box 349, Charleston 22, W. Va. (Charleston Clay Products Co.) SAVELL, Fred H. (M) 1901 E. Slauson Ave. Los Angeles 58, Calif. ( ''" stern Talc Co.) SAV; i, Francesco lb. .uto Siderurgico Finsider Villa Brignole-Corso F. M., Perrone, 24 Genova-Comigliano (Italia) SAWAI, Ikutaro Kyoto University, Kyoto,' Japan Vol. 33, N o. 10 (1954) 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. (E l) 456 Lynn Rd., Berea, Ohio (National Carbon Research Lab.) SCHAA, Ferdinand A., Jr. (W J) 84 Paumanake Ave., Babylon, N. Y. (Sylvania Electric Products Inc.) SCHABACKER, H. Eric (E) Erie Ceramic Arts Co. 423 W. 12th St., Erie, Pa. SCHAEFER, Carl F. (W ) 327 Sheffield Ave., Flint, Mich. (A. C. Spark Plug Div. General Motors Corp.) SCHAEFER, William H . (R J) 5331 Beeler St., Pittsburgh 17, Pa. (U. S. Steel Corp.) SCHAEFLE, Max Thayngen/SH, Switzerland (Tonwerke Thayngen A. G.) SCHATZKIN, Harvey (W ) Architectural Tiling Co. Inc. Cass/Jackson Sts., Keyport, N. J. SCHAUSS, Edward P. (G) 2324 108th St., Toledo, Ohio (Owens-Illinois Glass Co.) SCHELBY, Frederick (G) Corning Glass Works, Coming, N. Y. SCHELL, Donald C. (E ) 2227 S. Gunderson, Berwyn, 111. . (Armour Research Foundation) SCHIEFFERLE, James A. (E) 4503 Statton Rd., Ashfield Acres Louisville 2, Ky. (General Electric Co.) SCHIENE, Quentin J. (RJ) 7715 S. Shore Dr., Chicago 49, 111. (U. S. Steel Corp.) SCHIFFERLI, Leo M., Jr. (R) Haynes Stellite Co., Box 746 Kokomo, Ind. .... SCHLACKS, Richard J. (GI) ` 4519 S. Wigger, Marion, Ind. (Radio Corp. of America) SCHLEGEL, Roland F. Rua Xavier de Toledo, 266-Sala 41 Sao Paulo, Brazil . (Duresmalt, Industria " ' & Comercid Ltda.) - SCHLEHR, W. Raymond (G I) Brockway Glass Co., Inc. Lapel, Ind. SCHLOFFMAN, J. Paul (E) Challenge Porcelain & Stamping Co. Grand Haven, Mich. ' 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) 2931 William Tell St.. Slidell, L a .. (St. Joe Brick Works, Inc.) SCHNEIDER, 2nd Lt. Robert K. (I) 3401st Std. Sqdn., Box 1449 Keesler Air Force Base, Biloxi, Miss. SCHOEMAKER, Clifford P. (R) Laclede-Christy Co., . 2000 Hampton Ave., St. Louis 10, Mo. SCHOENINGER, Irvin W. (BI) 5250 N. Shoreland Ave. Milwaukee 17, Wise. (Globe-Union Inc.) ` SCHOENLAUB, Robert A. (R) 3470 E. Fifth Ave., Columbus 19, Ohio (Harrop Ceramic Service Co.) SCHOEPPEL, Norman (RI) 10 Elm Tree Dr., Mexico, Mo. (A. P. Green Fite Brick Co.) SCHOFIELD, H. Zane (W FI) 894 Chambers Rd., Columbus 12, Ohio (Battelle Memorial Institute) SCHOLES, Addison B. (G) . 825 Lexington Ave., Warren, Pa. (Sylvania Electric Products, Inc.) SCHOLES, S. R. (GF) Box 752, Alfred, N. Y. (New York State College of Ceramics) SCHOLS, Leon V.F.M. Graaf Van Waldeckstraat 33, Maastricht, Holland (E. Regout) SCHOONENBERG, P. J. % Bibliotheekcentrale N. V. Philips' Gloeilampenfabrieken Eindhoven, -Holland SCHOTSMAN, J. KruiSsfraat ''31 Dieren, Netherlands (N.V. Emailleerfabriek "de IJsel") SCHOTTLAND, A. H. (G) : . Standard Bent. Glass -Xo., Butler, Pa. SCHOTTS, Waltet H. (M l) 23 : 'Southington': Ave. Worthington, Ohio (Harrop. Ceramic Service Co.) SCHRADER, David M. (R) - . 742 Rotch Ave.,.Massillon,,Ohio . * (Republic Sied Corp.) " ' SCHRAMM, Edward (W F) . f Onondaga Pottery Co. Syracuse 4;'N- Y. - SCHRECKENGOS.T; Don' (D F) 2617 St. Clair Ave. , East Liverpool, Ohio (Homer.Laughlin China Co.) SCHRECKENGOST, Viktor (W) 2265 Stillman Rd. Cleveland H ts. 18, Ohio (Salem China Co.) .. SCHREIBER, Edward t i l 4" Box 948, Alfred, N-. Y. ----- SCHRICKEL, Herman' H., Jr. (G) 178 E. Pulteney St., Coming, N. Y. (Coming Glass W orks) ' i SCHROEDER, Fred W. (RF) A. P. Green Fire Brick Co. Mexico, Mo. . <<:: SCHROLL, J. R. (S) ' ` Manufacturers Equipment Co. 218 Madeira Ave., Daton 4, Ohio SCHUETZE, Ervin W. (R) ' 1310 E. Promenade S t.," Mexico, Mo. (A. P. Green Fire Brick- Co.) SCHUH, Arthur E. (R) United States Pipe & Foundry Co. Burlington, N. J. ... - - -. SCHULHOF, Andres Lozadur, Grandes Fabricas .,,. Argentinas de Ceramica, S. A. Boulogne, F.C.N.G.B. ; . Buenos Aires, Argentina SCHULTZ, James B. (GI) 591 Minnesota Ave., Buffalo, N. Y. - (National Gypsum Research Center) SCHULTZ, John, Jr. (EJ) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio R oster 79 eCHULZ, Eugene G., Jr. . 930 .Grand Concourse, Bronx 56, N. Y. SCHUMACHER, William G. (E ) 5956 N. Glenwood Ave. Chicago 40, 111. . (National Cylinder Gas Co.) SCHURECHT, H. G. (S F I) Champion Spark Plug Co. 8525 Butler Ave., Detroit II , Mich. SCHURTZ, D. D. (G F) . Sharp;Schurtz Co., Lancaster, Ohio SCHWAB, Leon B. (R ) 214 E. Home St., Vandalia, Mo. (Harbison-Walker Refractories Co.). SCHWALBE, F. G. (G FI) . 1306 Craigwood Rd., Toledo 12, Ohio (Toledo Engineering Co., Inc.) SCHWARTZ, Bernard (B I) 35 Dogwood Dr., Bradford Hills, R.R.2 Downington, P a.. (Burroughs Corp.) ' SCHWARTZ, Harold A., Sr. (M) 2028 Horace Ave., Abington, Pa. (Simonds Abrasive Co.) SCHWARTZ, M. A. (B I) WCRRL, Aeronautical Research Lab. W..D.C. Wright-Patterson AFB, Ohio SCHWARTZWALDER, Karl (W FI) A C Spark Plug Div., General Motors Corp. - Flint 2, Mich. . SECKMAN, Harry D. (W I) 131 E. Riverside, Peru, Ind. (Square D Co.) SECORD, Robert N. (W ) Godfrey L. Cabot, Inc. Research & Development Dept. 38 Memorial Dr., Cambridge, Mass. SEDALIA, B. M. Titanium Alloy Mfg. Div., National Lead Co., Res. Lab. Box C, Bridge Station ' Niagara Falls, N. Y. SEDENKA, Anthony (E ) 1086 Magnolia Dr., Colonial Heights Washington, Pa. (B. F. Drakenfeld & Co., Inc.) SEELEY, E. L. (W ) 800 Lotus Ave., Chester, W. Va. (H arker Pottery Co.) SEEMANN, Wilhelm Pipersgatan 3, Stockholm, Sweden SEGELER, C. G. (M) American Gas Assn., 420 Lexington Ave. New York 17, N. Y. SEID EL, Joseph (W ) . 106V S. Sweetzer Ave. Los Angeles 48, Calif. SEIPEL, Robert B. (G) . Blue Ridge Glass Corp. Kingsport, Tenn. SEITZ, Wolfram (G) Glass Containers Inc. SHAND, Rodger L. (E ) 4155 Dupuis Ave. Apt. 15 Montreal 26, Que., Canada (Ferro Enamels (Canada) Ltd.) SHANDS, Everett H. (E) Florida Ceramic Tile Co., Box 451 Lakeland, Fla. SHANER, Herbert J. (R) Ramtite Co., 2563 W. 18th St. . Chicago 8, 111. SHANKS, Douglas Shanks & Co. Ltd., Victorian Pottery Barrhead, Near Glasgow, Scotland SHANNON, Harry F. (E) United States Steel Corp., Rm. 2414 525 William Penn PI. Pittsburgh 30, Pa. SHAPIRO, Howard (B JI) 1410 East Ave., New York 62, N. Y. (W ard Leonard Electric Co.) SHAPLAND, James T. (XJ) 2030 Waggoner Ave., Evansville, Ind. (International Harvester Co.) SHARDLOW, L. Russel (W I) RCA Victor Div. .. .Radio Corp. of America `Harrison, N. J. SHARP, Donald E. (G F) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio SHARP, E. W. (RI) 62 N. High St., Jackson, Ohio . It SCH1W01EIFCeKrrHy ASRt.,DSTt,. WLoiulliisam7, KM.o.(R ) 3601 Santa Fe Ave. Los Angeles 58, Calif. (Pyro Refractories Co.) SHARTSIS, Leo (G) (Walsh Refractories Corp.) SELLERS, George A. (R) 45i4 W. Virginia Ave. SCHWEITZER, Howard V. (M) ' 315 E. Crescent Ave., Elmhurst, 111. Bethesda 14, Md. i Schweitzer Equipment Co. (Plibrico Co.) (National Bureau of Standards) 3764 Ridge Rd., Cleveland 9, Ohio SELLERS, John T. (R I) SHAVER, Richard C. (R) SCHWENKLER, Theresa A. (G) 109 Church St., Jackson, Ohio 317 Bear St., Syracuse 8, N. Y. 979 Grove St., Elmira, N. Y. (Pyro Refractories Co.) (Cowles Chemical Co.) . (Corning Glass W orks) . SEMMELMAN, John O. (GI) SHAVER, W. W. (G) SCHWIETE, Hans-Emst Dentists Supply Co. of New York 130 E: Fourth St., Corning, N. Y. Institut fur Gesteinshuttehkunde . College & Grantley Ave., York, Pa. (Corning Glass Works) Aachen, Mauerstrabe 5, Germany ' SEM PLE, William A. (R) SHAW, Anthony E. (S) } SCOTT, J. W. (W ) Aluminum Co. of Canada, Ltd. Natco Corp., 327 Fifth Ave. Western Electric Co. Inc. Chemicals Div., 1700 Sun Life Bldg. Pittsburgh 22, Pa. - 7640 Hawthorne Station Montreal, Que., Canada SHAW, Clarence F. (W I) ' Chicago 23, 111. . SENK, Johann 2240 N. Manning St., Burbank, Calif. SCOTT, Murray R. (GFI) Vienna XVII (Gladding, McBean & Co.) Bausch & Lomb Optical Co. Dornbacherstr. 29, Austria SHAW, L. I. (XI) 635 St. Paul St., Rochester 2, N. Y. (Radio Fabrik Ingelen- Club DelMar, Santa Monica, Calif. SCOTT, Robert M. (R J) Porzellan Fabrik) (Consultant) 95 Lake Ave., Apt. 2 SENTERS, Walter J. (R) SHAW, Myril C. (M FI) Worcester, Mass. ' Washington Brick & Lime Co. 553 Gates St., Philadelphia 28, Pa. (Norton Co.) Spokane, Wash. (Asbestos Textile Institute) \l SCOTT, Roger F. (GI) 911 E. Main St., Millville, N. J. SEPHTON, H. J. (G) Dominion Glass Co. Ltd. SHALW. ,ER. oSnhaalwd HL.td(.,S )74 Bedford Row ii* (Armstrong Cork Co.) Chappie St., Hamilton, Ont., Canada Halifax, N. S., Canada ip if SCOTT, W . J. (W ) SERVIS, Donald H . (W ) SHAYNA, Michael (W J) Western Electric Co. Inc. Robertson Mfg. Co., Box 848 __ Medicine H at Potteries { 2525 Shadeland Ave. Trenton 5, N. J. Medicine Hat, Alta., Canada \ Indianapolis 6, Ind. SETCHEL, Hayden Merritt (G) SHEARER, Walter L. (R) SCOTT, William D. 7707 Water St., Olmstead Falls, Ohio 105 Tenth St., Streator, 111. (Owens-Illinois) 15 Muirhead Ave., Trenton 3, N. J. (Rouse & Shearer) n SEABRIGHT, Clarence A. SEVERIN, Harold SHEARER, Wayne B. (R J) Harshaw */ Coiffe S. A. Box 787, Alfred, N. Y. 116 W. King St., Malvern, Pa. : Boite Postale No. 208 SEVERSIKE, Carroll L. (E) (Foote Mineral Co.) ;1 * Limoges (Haute */* Vienne) France 84 Sutherland Rd., Apt. 10 SHEAROUSE, Lee A. (W ) SEABRIGHT, Edward C. (E ) Brighton, Mass. 326 Highland Ave., Wadsworth, Ohio . j: 171 Beuland, Mt. Clemens, Mich. (Sylvania Electric Products, Inc.) (Ohio Brass Co.) . (Philco Corp., Range Div.) SEYMOUR, Samuel L. (G) SHEEHAN, Robert W. (M J) SEANOR, J. G. (S) 125 Reed St., New Kensington, Pa. Ceramic Supply Co., Crooksville, Ohio 'h 2300 W. Tuscarawas St. (Pittsburgh Plate Glass Co.) SHEERER, Mary G. (D F) . Canton 8, Ohio SHAFFER, E. F. (G) 6540 Hamilton Ave., College Hill (Bonnot Co.) Ohio Power Co., Newark, Ohio Cincinnati, Ohio I SEARLE, Alfred B. SHAFFER, Paul C. (G) SHEETS, Herbert D. (RI) 62, Moorcliffe, Skircoat Moor Rd. 85 Chapel St., Seneca Falls, N. Y. 41 Marlowe Ave., Buffalo 19, N. Y. Halifax, York, England (Sylvania Electric Products, Inc.) (Electro Refractories & Abrasives Co.) (Consultant) SHAH, Chunilal P. SHELDON, R. S. (E) SEARSON, Leslie Bombay Potteries & Tiles Ltd. 4224 LeFevre Dr., Dayton 9, Ohio James Oakes & Co. (Riddings) Ltd. United India Bldg. (Frigidaire Div., General Motors Corp.) Jacksdale, Notts, England Sir Pherozshaw Mehta Rd. SHELL, Haskiel R. (B ) SEATON, Max Y. (RF) Fort Bombay, India U. S. Bureau of Mines Food Machinery & Chemical Corp. SHALEK, Peter D. Electrotechnical Laboratory 161 E. 42nd St., New York 17, N. Y. 132 N. East Ave., Oak Park, 111. Pine Road, Norris, Tenn. t SEAMWiElleLrLE, qJoueip, mJre.nt(SC)o., Inc. SHA1N55D,REeyrrnoolldBs. A(vGe)., Corning, N. Y. SHEGLeLnEerYal, CR.eBfr.ac(tRoIri)es Co. e Box 1566, Salisbury, N. C. (Corning Glass Works) 1520 Locust St., Philadelphia 2, Pa. Vol. 33, No. 10 (1954) R o s t e r 81 cHELTON, G. R. (W F) , 6614,Delfield St., Chevy Chase IS, Md. (National Bureau of Standards) C0ELTON, Philo S,, Jr. 130 Burr St., Fairfield, Conn. ejtfENANDOAH SILICA CO., INC. (H errdd D. Thropp) 333 W. State St., Trenton' 8, N.. J. sHENANGO CHINA, INC. (Geo. B. Zahniser) New Castle, Pa. j HEPARD, Anna O. (B) 751 11th St., Boulder, Colo. (Carnegie Institution of Wash.) gHEPHERD, John F. (E l) Shepherd Chemical Co. Norwood, Cincinnati 12, Ohio SHERK, Donald (R) 218 Dalton Dr., Tonawanda Twp., N. Y. (Johns-Manville Corp.) SHERRILL, Robert R. (E l) 425 Canyon Dr., Glendale 6, Calif. (Bulwark Corp.) SHERWOOD, Robert F. (W FI) 10041/* Harrison St., Syracuse 10, N. Y. (Consultant) SHEVLIN, Thomas S. (R I) Engineering Experiment Station Ohio State University Columbus 10, Ohio SHIELD, Richard University of Texas C. P. Hall, Rm. 107, Austin, Texas SHIMADA, Hachiro Shimada Glass Laboratory No. 2867, 1-Chome, Sanno Ota-ku, Tokyo, Japan SHIMADA, Kuro Shimada Glass K.K. No. 47 Shimo-3-Chome, Ebie Fukushima-Ku, Osaka, Japan SHIMER, J. B. (G) Buck Glass Co. ' Fort Ave. & Lawrence St. Baltimore 30, Md. SHIMMAN, Norman C. (W ) . 2348 Ventura Dr., R. R. 4 Walled Lake, Mich. (Champion Spark Plug Co.) SHINN, Joseph M., Jr. (R ) 23S0 Glenmawr Ave., Columbus 2, Ohio (B attdle Memorial Institute) 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) Mathieson Chemical Corp. 2416 Gulf Bldg., Houston, Texas SHOEMAKER, George W. (S ) Arketex Ceramic Corp., 6 N. Walnut St. Brazil, Ind. SHOFFNER, James E., Jr. 1215 E. 64th St., Seattle 5, Wash. SHONKWILER, Francis P. (RI) 10436 S. Hamlin Ave., Chicago 43, 111. (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. (XJ) 7064 Eastern Ave. Washington 12, D. C. (Diamond Ordnance Fuze Lab.) SHOPHER, Sterling D. (R I) 415 E. Monroe, Mexico, Mo. (Mexico Refractories Co.) SHORTER, A. J. Bonnybridge Silica & Fireclay Co. Ltd. Bonnybridge, Stirling, Scotland SHUBERT, E. R. Frank (S ) Medicine Hat Brick & Tile Co. Medicine Hat, Alta., Canada SHULZE, Charles E. (I) 809 E. Sixth St., Rolla, Mo. Vol.3 3 , N o. 10 (1954) SHUMAN, Albert (G) . ' ' 'B ox 417, ML Kisco, N. Y. (Polarizing Instrument Co.) SIDW ELL, John L. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio SIEFER T, A. C. (G) Owens-Coming Fiberglas Corp. Newark, Ohio SIEGRIST, Paul F. (W) Erie Resistor Corp., 644 W. 12th St. ' Erie, Pa. ' SIEGW ALD, Clyde R. (W I) 816 Quinby Ave., Wooster, Ohio (Robinson Clay Products Co.) SIEV ERT, 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.) SILK, Karl - ` . Messrs. Jury Holloware Ltd. Brierley Hill, Staffs, England ' SILVA, Alfonso Refractarios "Lota Green" S. A. Casilla 14S-V, Valparaiso, Chile . SILVERMAN, Alexander (GFI) University of Pittsburgh 2525 Cathedral of Learning Pittsburgh 13, Pa. SILVERMAN, William B. (GFI) Owens-Illinois Glass Co. 1700 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. (National Ceramic Co.) SIMMINGSKOLD, Bo Glasinstitutet i Vaxjo, Smedjegatan 3 Vaxjo, SWeden SIMMONS, E. E., Jr. (M) 455 S. Oakland Ave., Pasadena 5, Calif. SIMMONS, Milton L. (E ) Ferro Corp., International Div. 4150 E. 56th St., Cleveland 5, Ohio . SIMMONS, Thomas Short Georgia Tech. Box 5247, Atlanta, Ga. SIMON, A. G. (W ) 3650 Fairesta St., LaCrescenta, Calif. (Gladding, McBean & Co.) SIM ONDS W O RD EN W H IT E CO. (F. R. Henry) N. Summit St. & Negley Pi. Dayton 7, Ohio SIMONIS, Paul Administrateur-delegue Societe Beige de Ceramique "Cerabel" 2 rue de la Regence Bruxelles, Belgium SIMONS, T. Mitchell, Jr. (W ) 9186 E. Jaylee Dr. Temple City, Calif. (B. F. Wagner & Co.) SIM ONSEN, Eduardo C. Companhia Paulista de Mineracao Rua Boa Vista 84-7* Andar Sao Paulo, Brazil SIMONSEN, Victor G, Ceramica Sao Caetano S. A. Caixa Postal 278, Sao Paulo, Brazil SIMPSON, Frederick H. 9046-- 12th Ave., N. W. Seattle 7, Wash. - . SIMPSON,.Harold E. (G F I). New York State College of Ceramics' Alfred, N. Y. SIMPSON, John A. (S) F. B. McFarren Ltd. ' Streetsville, Ont., Canada SIMPSON, John D., Jr. (S) Statesville Brick Co. Statesville, N. C. SINCLAIR, Robert R. (W) 510 S. Osage Ave., Inglewood, Calif. (Westwood Ceramic Supply Co.) SINGER, Felix (F) Keramos House, 46, Castlemaine Ave. South Croydon, Surrey, England (Consultant) SINGMASTER, James Arthur (R) 420 Lexington Ave. New York 17, N. Y. (Singmaster & Breyer) SIQUE1RA, Pedro M. Ceramica Sao Caetano S. A. Rua Boa Vista 84-6* Sao Paulo, Brazil SIROVY, George (E ) Century Vitreous Enamel Co. - 6641- S, -Narragansett Ave. Chicago 38, 111. SISKA, Albert H. (E l) 822 Ellis Ave., Ashland, Ohio (Ferro Corp.) SISSONS, Gordon H. ( S ) ; 320 First St. \ Medicine H at, Alta, Canada ' (Medicine H at Brick & Tile Co., Ltd.) SIXT, .Lawrence F. (W ) Box 3, Wellsville, Ohio (New Castle Refractories Co.) SKEOCH, Walter K. (M) 320 S. Mission Rd. Los Angeles 33, Calif. ' (Southern California Minerals Co.) SKINNER, Kenneth G. (R I) 4223 First St., S. E., Apt. 203 . Chesapeake Gardens Washington 20, D. C. (Naval Research Laboratory) SKINNER, Roger D. (G) Sylvania Electric Products Inc. , Winchester, Ky. SKOGEN, Haven S. 198 Bevier Rd., University Heights New Brunswick, N. J. SKOK, John J. (I) 1434 N. Ridge Rd., Lorain, Ohio SKURCENSKI, Anton (G) H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. SLAYTER, Games (GF) Owens-Coming Fiberglas Corp. Newark, Ohio SLICK, E. E,, Jr. (R) Haws Refractories Co., 407 Main St. Johnstown, Pa. ' SLYH, John A. (RFI) American Encaustic Tiling Co., Inc. Lansdale, Pa. SMALL, Carlton F., Jr. (R J) 115 Farview Ave., Trooper Norristown, Pa. (E. J. Lavino & Co.) SMALLEY, Howard F. (E l) Pemco Corp., Research Div. 2554 Greenmount Ave. Baltimore 18, Md. SMART, Frank H. (W ) 24 Frederick St., Montclair, N. J. (Whittaker, Clark & Daniels, Inc.) SMITH, Adrian F. (G) 86 E. Third St., Coming, N. Y. (Coming Glass Works) SMITH, Alden J. (W ) R. R. 1, Carey, Ohio (Porcelain Products Co.) SMITH, A. O., CORP. (W. A. Deringer) 3533 N. 27th St., Milwaukee 1, Wise. SMITH, Arnold N. T & R Boote, Ltd. Burslem, Stafford, England Roster 83 ,p RAT, Xra'E. (W FI) * R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. -pRCK, Richard F. (W) 5 Coors Porcelain Co., Golden, Colo. .qUARE D CO. (Ralph E. Hanna) jlolded Insulation Div., Peru, Ind. cOUlER, A rthur A. (S) sv 1616 W alnut St., Philadelphia 3, Pa. (Distributor) crOGA, Valerio S Belgrano 766, Buenos Aires, Argentina sta a tl ic h e PORZELLAN s MANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1*3 (13a) Selb/Oberfr. ' U. S. Zone, Germany . STAATS, H enry N. (E ) 7300 W. Lawrence Ave., Chicago 31, 111. (Magnaflux Corp.) STACH, Otto R. (R) Carborundum Co., Refractories Div. Box 268, Perth Amboy, N. J. STADLER, Leo E . (G) 1057 Plymouth St., Windsor, Conn. (Hartford-Empire Co., Div. Em hart Mfg.) STAFFICKER, Charles F. (G) ' 506 Grandview Ave., Vineland, N. J. (Kimble Glass Co.) 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-Corning Fiberglas Corp.) STALTER, Thomas L. (I) 365 E . 15th Ave., Columbus 1, Ohio STAMPS, Murray R. (W ) Canadian Porcelain Co. Ltd. Box 428, Hamilton, Ont., Canada STANDARD BRICK & T IL E CORP. (Clifford A. Kleymeyer) Evansville 8, Ind. STANDARD ULTRAM ARINE & COLOR CO. (L. F. May) Huntington 18, W . Va. STANGL, J. M. (W ) Stangl Pottery, Trenton 4, N . J. STANGL PO TTERY (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.) STANNARD, Wilford T. (E ) 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. STANWORTH, John Edwin 74 Ashlawn Rd., R ugby. Warwick, England ... British Thomson-Houston Co., Ltd.) STAPLETON, Robert E. (W ) 6 Third 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, Rawson E. (W ) R. R. 5, Greensburg, Pa. (Stupakoff Ceramic & Mfg. Co.) STARKEY, Daryle D. (M) R. R. 1, Willard, Ohio (Fate-Root-Heath Co.) Vol. 33, N o. 10 (1954) STARKEY, Edward A. (M) 145 W. Second St., Apt. E Mansfield, Ohio (Fate-Root-Heath Co.) STARKEY, Elmfcr A. (R) 4720 Bayard St., Pittsburgh 13, Pa. (U. S. Steel Corp., Duquesne Works) STAUDT, August (W) 264 W ater St., Perth Amboy, N. J. STAUFFER CHEMICAL CO. (M. P. Kerins, Jr.) 380 Madison Ave., New York, N .Y . STAUFFER,. Kenneth H . B. (W ) 380 Thornridge Dr., Levittown, Pa. (Robertson Mfg. Co.) STAVROLAKIS, J. A. (B) 10108 S. Calhoun Ave., Chicago 17, 111. (Armour Research Foundation) 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. G. Jr. (S) J. C. Steele & Sons, Statesville, N. 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. (W ) Freeport Brick Co., Freeport, Pa. STEIL, Roy C. (C) 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 STEINBOCK, E. A. (R) Whip-Mix Corp., 411 W. Avery St. Louisville 8, Ky. STEINER, H arry C. (G) Industrial & Transmitting Tube Dept. General Electric Co. Schenectady 5, N. Y. STEINHOFF, Fred L. (W FI) Brick & Clay Record---Ceramic Industry 5 S. Wabash, Chicago 3, 111. STELLE, John A. (S) Arketex Ceramic Corp., Brazil, Ind. STENQUIST, .Donald R. U.S.S. Roosevelt (CVA 42) F.P.O., San Francisco, Calif. STENT, Howard B. Box 1587, Nairobi - . Kenya Colony, East Africa (E. A. Industrial Research Board) STERLING ABRASIVES DIV., CLEVELAND QUARRIES CO. (L. B. Bellamy) Box 801, Tiffin, Ohio STERLING CHINA CO. . (William T. Pomeroy) . East Liverpool, Ohio STERLING, Harry S. (G) Coming Glass Works Harrodsburg, Ky. STERN, George (M) American Electro Metal Corp. 320 Yonkers Ave., Yonkers 2, N. Y. STERRY, J. Patrick Ceramic Engineering Div., Roberts Hall University of Washington Seattle 2, Wash. STERRY, William M. 1019 E. 43rd St., Seattle 5, Wash. STETTINIUS, K. E. (W) Lapp Insulator Co., Inc., Le Roy, N. Y. STETSON, Alvin R. (E ) Research Div., Solar Aircraft Co. 2200 Pacific Highway ' San Diego 12, Calif. ` STETSON, Harold W. 303 Mineral Sciences Bldg. Pennsylvania State University State College, Pa. STETSON, William C. (W I) Box 44, Saxonburg, Pa. (Saxonburg Ceramics) - STETTNER, Donald H- (E l) 419 W . Olney Ave., Philadelphia 20, Pa. (Heintz Mfg. Co.) STEUBENVILLE POTTERY CO. (W . J. Mould) Steubenville, Ohio STEUERNAGLE, J. H. (G) Brockway Glass G ?., Inc. Wood St., Brockway, Pa. STEVENS, Major Donald K. (E) Research & Analysis Dept. - The Arty School, Box 227 (AA&GM Be), Fort Bliss, Texas STEVENS, E. G. (W J) Engr. Expt. Station, Rm. 306 Ohio State University Columbus 10, Ohio . STEVENS, Frank J. (W I) 414 Prospect St., Nutley 10, N. J. C. (Isolantite Mfg. Corp.) STEVENS, Joe (R) Murray Refractories Co., Box 338 Murray, Utah STEVENS, L. M. (R) 2907 Alabama St., La Crescenta, Calif. (Gladding, McBean & Co.) STEVENS, Robert P. (RI) Wellsville Fire Brick Co. 1625 W . 104th PI., Chicago 43, 111. STEVENS, W . B'. (W ) Socony-Vacuum Oil Co., 26 Broadway New York 4, N. Y. . STEVENSON, Jam es IL, Jr. (RI) R. R. 1, Mundelein, 111. ' (Norton Co.) STEVENSON, Samuel (W ) . 1967 Grafton Rd., Elyria, Ohio (Harshaw Chemical Co.) ' STEVENTON, Horace John Steventon & Sons, Ltd. Cledford Works Middlewich, Cheshire, England STEW ART, Alex (E ) . National Lead Co., I l l Broadway New York 6, N. Y. STEW ART, George C. (M) Livingston Manor, N. Y. (Abaco Co.) STEW ART, Isaac (G) New York Testing Laboratories, Inc. 47 West St., New York 6, N. Y. 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.) STEW ART, Malcolm (M) 310 Irwin St., San Francisco 7, Calif. (Commercial Minerals Co.) STEWART, Wilfred H . (R) U. S. Reduction Co., 4610 Melville East Chicago, Ind. ST IE F, W. C. (W) 158 S. Wilson Blvd., Mt. Clemens, Mich. (Mt. Clemens Pottery Co.) STIEFEL, Maurice B. (R J) National Bureau of Standards Van Ness & Conn. Ave. Washington, D. C. STILLWATER CLAY PRODUCTS CO. (J. P. Duffy) Lock Drawer 32 Uhrichsville, Ohio STOCK, Donald F. (R) Harbison-Walker Refractories Co. Hays Laboratory, Pittsburgh 7, Pa. Roster 87 ;JCDALE, George F. i(G) 9 Corning Blvd., Corning, N. Y. Corning Glass Works). ;KSLAGER, Theodore F. (W ) arborundum Co. 4800 Lakeland Blvd. [ev-!m d 23, Ohio y \OM, Arthur (E ) (at hef, Inc. 641 S. Kingshighway, St. Louis 10, Mo. )DARD, Stephen D. (W I) 557C 36th, Los Alamos, N. M. Los Alamos Scientific Laboratory) ;N, Roger C. (SI) ;annelton Sewer Pipe Co. lannelton, Ind. JL, Alfred A. (W ) 74 North St., Sun Prairie, Wise. Wisconsin Porcelain Co.) . HL, L. A. (W ) Visconsin Porcelain Co. Jun Prairie, Wise. . LTE, Norman H . (E l) -,974 Orchard Rd. , Cleveland Heights 21, Ohio Harshaw Chemical Co.) HE, Benjamin (W ) California Crafts .3340 N. Gratiot, Mt. Clemens, Mich. \IE. Conrad A. (G) >3 S. Remington Rd. 3exley, Columbus 9, Ohio 'Federal Glass Co.) ME; C. P. rerramic Industries, Ltd. !5 Hydeway, Welwyn Garden City Herts, England ME, F. R. (R) Canada Firebrick Co., Ltd. 4741 St. Ambroise St. Montreal, Que., Canada NE, Robert J. (M) John W. Higman Co. 24 State St., New York 4, N. Y. NF V r t L. (B FI) Dej, j Ceramic Engineering University of Texas, Austin 12, Texas NE, S. A. (M ) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. NG, Guy E. (G) 126 W. Water St., Elmira, N. Y. (Corning Glass Works) OKEY, Stanley D. (G) 14S Pritchard Ave., Corning, N. Y. (Corning Glass Works) )OPS, Robert F. (RI) Carboloy Dept., General Electric Co. Box 237, Roosevelt Park P. O. Detroit 32, Mich. >TLER, Chalmer P. (W ) 228 Winter St., Crooksville, Ohio (Crooksville China Co.) ITT, A. E. Edward Johns & Co., Ltd. Armitage, Nr. Rugeley Stafford, England ' )UT, Lester L. (S) Ohio State University Research Foundation Columbus 10, Ohio HADLEY, Norman (GI) Minnesota Mining & Mfg. Co. 367 Grove St., St. Paul 1, Minn. *AIGHT, Lee H. (S) W a Clay Products Co. Centerville, la. iAIN, R. E. (E) Alliance Ware, Ltd. Box SS0, Vancouver, B. C., Canada I(A T T '"t , Mrs. W. B. (D ) Bewi IPottery, 10125 Jefferson Ave. Oetre i4, Mich. ^U S S , Simon W . (E) 801 Connecticut Ave., .N. W., Apt. 247 Washington, D. C. .(National Bureau of Standards) 33, No. 10 (1954) STREATOR b r ic k c o ,, DIV. HYDRAULIC-PRESS BRICK CO. (James R. D. Stansfield) Streator, 111. STRIMPLE, J. H. (X) National Lead Co., Titanium Div. Box 58, South Amboy, N. J. STRINGFELLOW, Allen E. (M) 501-C Highland Ave. Collingswood 7, N. J. (I.T.E. Circuit `Breaker Co.) STROD, Arvid J. (E l) Industrial Metals Improvement Co. The Park Bldg., Pittsburgh 22, Pa. STRONG, Kenneth B. (W ) 4101 Hillsboro Circle 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. (W I) Wheeling Tile Co., Wheeling, W. Va. ' STRUCTURAL CLAY PRODUCTS INSTITUTE . (H arry C. Plummer) 1520 18th St., N. W . - Washington 6, D. C. . ' STRUEBING, Harold J. (M) - 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. STUCKEY, Jasper L. (X) University of North Carolina Raleigh Unit, Raleigh, N. C. STULL, John L. . Box 41, Alfred, N. Y. STUNTZ, Robert P. (R) Babcock & Wilcox Co. 105 S. LaSalle, Chicago 3, 111. STUPAKOFF CERAMIC & MFG. DIV., CARBORUNDUM CO. (Semon H. Stupakoff) Latrobe, Pa. STUPAKOFF, Semon H. (W) Stupakoff Ceramic & Mfg. Div., Carborundum Co. Latrobe, Pa. STYER, Charles A. (B) 11 Roxbury Rd., Forest Hills Pittsburgh 21, Pa. (Vesuvius Crucible Co.) STYHR. Pvt. Karsten- H., Jr. (W J) US 51296985, 9771 TSU Det. 3, Dugway, Utah SUBBARAO, Eleswarapu C. Division of Ceramics College of -Mineral Industries Pennsylvania State University State College, Pa. SUBRAMANI/fN, D. R. M /S Burn & Co. Ltd. Ranigunj, P. O. Dist. Burdwan, India . SULLIVAN, Eugene C. (GF) Corning Glass Works, Coming, N. Y. SULLIVAN, John D. (BF) Battelle Memorial Institute . 505 King Ave., Columbus 1, Ohio SULLIVAN, Joseph C. (G) . 38 Fulton St., Coming, N. Y. (Coming Glass Works) SULLIVAN, Paul A. (GJI) 624 Adeline Dr., Webster, N. Y. (Bausch & Lomb Optical Co.) SUMERBANK (Bulent Buktas) Ankara, Turkey SUMMERS, E. W. (G) Owens-Illinois General Engr. Dept.', Alton, 111.' SUM PTER, Charles E. ( R ) ....................... . 18458 Roy .St-, Lansing, 111. . (U. S. Steel Corp.) . SUMRELL, Ferrajl X. (E ) 707 Henry St. Uniondale, Hempstead, N. Y. (Hardwick Hindle, Inc.) ' SUN, K. H. (GF) . 2131 Lindsay Rd., Pittsburgh 35, Pa. (Westinghouse Electric Corp.) SUPAR Ceramic 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 ' SURAIYA, Valjee (J) 20 Theatre Rd., Calcutta 16, India (Lucky Glass W orks) SURFACE COMBUSTION CORP. (Harvey C. Weller) 2375 Dorr St. . Toledo 1, Ohio SURFLEET, Harold Kaylene Laboratories, Waterloo Rd. London, N. W. 2, England (Kaylene (Chemicals) Ltd.) SUTHERLAND, Clark (S) Robinson Clay Product Co. 65 W . State St., Akron 9, Ohio SUTHERLAND, Frank R. (W I) 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. ' 214 W . Fairmont. State College, Pa. SUTTON, William H ,, Jr. (G) Davison Chemical Corp. 101 N. Charles St., Baltimore 3, Md. SUTTON, W. J. (X) 24 High St., Alfred, N . Y. (New York State College of Ceramics) SVEC, J. J. (W I) 3440 S. Euclid Ave., Berwyn, 111. (Industrial Publications Inc.) SWAIN, Richard S. Nash Hall, Campus Rd., Toledo 6, Ohio SWAIN, Stephen M. (R F I) 3403 Spangler Rd. ' Cleveland Heights 12, Ohio (North American Refractories Co.) SWALM, Phaon H. (W ) Box 178, Kingston, OnL, Canada (Frontenac Floor & Wall Tile Co., Ltd.) SWAN, S. D. (B) 52 Hazelton Dr., White Plains, N. Y. ( Consultant) SWEARINGEN, Jack C. (G) United Can & Class Co. Box 90, Hayward, Calif. SWEELY, B. T. (E F I) Gate 12, Crystal Lake, 111. SWEITZER, Mark (W ) 320 N. Euclid, Pasadena 4, Calif. (S. Paul Ward, Inc.) SWENSON, George W . (M) Minnesota Mining & Mfg. Co. 900 Fauquier Ave., St. Paul 6, Minn. SWENTZEL, John P. (R) 8960 Hennepin Ave. Niagara Falls, N. Y. (Carborundum Co.) SWEO, Benjamin J. (E F ) Ferro Corp. " 4150 E.- 56th St., Cleveland 5, Ohio SWICKER, Victor C. (GF) .907 Floral T>r., W hittier, Calif. (Consultant) . SWIFT, Howard-R. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio R oster 89 5WIGART, Joseph J. (M ) 3014 Middletown' Rd., Pittsburgh 4, Pa. (Vitro Wfg. Co.) SWINDELL BROTHERS, INC. (J. J. Jeffries) Bayard & Russell Sts. Baltimore 30, Md. ;W TMPE LL -D R ESSL E R CORP. jiilip Dressier) Box 1888 .ctsburgh 30, Pa. . SWINNERTON, Bertram B. (W ) 21 Second Ave., Tiffin, Ohio' (American Radiator & - ' Standard Sanitary Corp.) SWINNERTON, George R. (M) 35 E. State St., Alliance, Ohio (Sales Representative) SYLVANIA ELE C T R IC PRODUCTS, INC. (B. S. Ellefson) 208-20 Willets Point Blvd. Bayside, Long Island, N. Y. SYLVESTER, George R. (M I) Sylvester & Co. Aurora Rd., Solon, Ohio SZYMASZEK, Jan W alter (R) 121 Muir Ave. Niagara Falls, Ont., Canada . . (Metals Research Laboratories) T IAELER, David 215 Thompson St., New York 12, N. IAILBY, Roland V. (W I) Stylon Corp., Milford, Mass. TAKAHASHI, Kakuichiro (F) Nippon Glass Co., Ltd. 1, Ginza 7-chome, Chuo-Ku Tokyo, Japan TALBOT, Herbert W., Jr. (W ) National Lead Co., 1376 River Ave. Pittsburgh 12, Pa. TALWALKAR, T. W. 8 Bagmati Rd., Jamshedpur, India V; - ^ t a Iron & Steel Co., Ltd.) TA; JRG, Ragnar ^rammens Glassverk Drammen, Norway TAO, Yung &' 3834 W. 117th St., Cleveland, Ohio TARNACKI, W alter J. (W I) 8417-C Loch Raven Blvd. ' Towson 4, Md. 4;: (Friez Instrument Div., Bendix Aviation Corp.) TARNEY, Eugene G. (S) : 3444 Ontario St., Columbus 11, Ohio (Harrop Ceramic Service Co.) fARNOPOL, Milton S. (G) 943 Ninth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) tASHIRO, Megumi (G) Pennsylvania State University College of Mineral Industries State College, Pa.- ATE, Frank E. (W I) >310 Tenth St., Lincoln, III. Jfc (Stetson China Co.) ITEM , William A. ' .Box 787, Alfred, N. Y. |P B E R , John A. (R I) $3190 Mayflower Rd. ^Plymouth Meeting, Pa. f? (E. J. Lavino & Co.) |TLER, John B. (W ) Louisville Pottery Co., Inc. $228 E. Bloom, Louisville 8, Ky. *YLOR, A. L. (X J) Headquarters AMC, Box 1794 pW right Field, Dayton, Ohio fYl R , Albert J. (R ) M 'placer Lane, Oak Ridge, Tenn. .4 Ridge National Lab.) ^LO R , Charles D. (S) 219 Corriher Ave., Salisbury, N. C. ,-LTaylor Clay Products, Inc.) P oster TAYLOR, Charles H., Jr. (R I) 500 Camden Ave., Apt. A 1 Moorestown, N. J. (R. C. Rcmmey Son Co.) TAYLOR, Fran (D) Gay Fad Studios, Lancaster, Ohio TAYLOR, Howard U. (W I) 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) Fluorochemicals Dept. Minnesota Mining & Mfg. Co. 900 Fauquier Ave., St. Paul 6, Minn. TAYLOR, Robert B. (S) Structural lay Products Research Foundation . " 20 N. Wacker Dr., Chicago 6, 111. TAYLOR, SM ITH & 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. (G) Corning Glass Works, Corning, N. Y. TEAGUE, A. D. (R) Box 923, Augusta, Ga. Y. (Babcock & Wilcox Co.) TEAGUE, Jo M., Jr. (G I) Quality & Specifications Dept. Owens-Illinois Glass Co. ' Box 1035-1036, Toledo, Ohio TEETER, John N. (E ) 677 Wilmot Rd., Deerfield, III. (Thomas C. Thompson Co.) TEETOR, Paul (SF) Central Commercial Co., Northfield, 111. T E F F T , Glenn C. (S) Claycraft So., Shawnee, Ohio T EFFT, Phillip W . (S I) Claycraft Co., Box 866 Columbus 16, Ohio TEFFT, Willard H . (S) Claycraft Co., Shawnee, Ohio TEGELLABORATORIET (Brick Laboratory), (Christer Enberg) Drottning Kristinas vag 45 Stockholm O, Sweden - TENNANT, C., SONS & CO., OF NEW YORK (W ilbur S. Deming, Jr.) 100 Park Ave., New York 17, N. Y. TENNERY, Victor J. Findlay, 111. TERMAN, Mark J. (R) Babcock & Wilcox Co. 16 E. 42nd St., New York 17, N. Y. TERNENT, James W,, Jr. (XJ) 131 Rebecca St., Kittanning, Pa. (E ljer Co.) TERRY, Griffin E. (E ) 602 E. Willow, Wheaton, 111. (Hotpoint Co.) TETRICK, James D. (SF) ' 1102 . Fourth St., Vinton, la. (Vinton Lime & Rock Co.) 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.) THEW S, Karl B. (E) 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. (W I) 2550 N. 40th St., Milwaukee 10, Wise. (Globe-Union Inc.) THIEMECKE, Harry W. (W FI) Hom er 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., Firebri^ Works, Stourbridge, England THOMAS, Charles W. (Honorary) Clifton House, Old Swinford Stourbridge, England (E. J. & J. Pearson, Ltd., Firebrick Works) THOMAS, David W. (W I) Stang Pottery, Trenton, N. J. THOMAS, Everett A. (X) 2703 Shaffer Ave., Cincinnati 11, Oh (Chas. Taylor Sons Co.) ~ THOMAS, H. H. (M) 35 Highboy Court, Red Bank, N. J. (Pemco Corp.) THOMAS, James W. Georgia Institute of Technology Ceramic Dept., Atlanta, Ga. THOMAS, Robert H. (B) 238 Arlington Rd., Newton Falls, Oh (Falls Welding & Mfg. Co.) THOM PSEN, 2nd Lt. Robert S. W.A.D.C. Gen. Delivery, Area B W.P.A.F.B., Dayton, Ohio 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. (R F I) 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. THOMPSON, G. L. Borax & Chemicals, Ltd. 229 High Holborn 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, Noel M. (R ) 721 Shady Lane, Pittsburgh 34, Pa. (Lumnite Div., Universal Atlas Cement Co.) THOMPSON, Orrin S., Jr. Box BB, Alfred, N. Y. THOMPSON, Thomas E. (E ) Box 252, Williams Bay, Wise. (Thomas C. Thompson Co.) THOMPSON, Lt. William M,, Jr. (RJI) 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 ) 6 E. Jefferson Rd., Pittsford, N. Y. THOR, Mumer E. (RI) 318 Parkhurst Blvd., Buffalo 23, N. Y. (Norton Co.) THORLEY, J. Palin (D) Box 1143, Jamestown Rd. Williamsburg, Va. (Palin Thorley Co.) THORNE, James E. 507 E. Wilson St., Farmville, N. C. THORNE, Vaughn M. American Ceramic Society 4053 N. High St., Columbus 14, Ohio THORNGATE, Bruce W. (W ) Landgren, Box 236, R. R. 1 Tampa 4, Fla. C e r a m ic B ulletin 4 Also ove tak e wc e *< u t vn TON, George A. (M) /a Silica Co., Box 437 - , 111. "ON, Paul E. (W I) Lasheart Dr., La Canada, Calif. 0 Corp.) T Richard ;ii. Ired, N. Yi ' 'ER, William R. (D) 1 Ceramics, Inc. 4. Main, Akron 10, Ohio ', Herreid D. (W ) ' indoah Silica Co., Inc. V. State St., Trenton 8, ~N. J. ', Richard W . (W ) ' ka Flint & Spar Co. W. State St., Trenton 8, N. J. iR , Everett E. (W) . 6, Schenectady 3, N. Y. eral Electric Co.) YUER, Hans (B FI) Hixson Pike anooga 5, Tenn. trican Lava Co.) Valter W. . . . Hunziker & Cie, Lagerstrasse 1 h, Switzerland 5, Harvey L. (M I) Hilgard Ave., Berkeley 9, Calif. neapolis-Honeywell) ' . William H . F. . wn Stacks," Caldy West Kirby, Cheshire, England achester College of Technology) Ralph L. (G) ns-Coming Fiberglas Corp. Ave., Newark, Ohio CJIAN, John D. (W) burn Tile Mfg. Co. E. Ninth St., Little Rock, Ark. SON, Clifford (R) >tson Refractories Co. 398, Corona, Calif. SOI* JE. W ard (GF) oni state, 4400 Fifth Ave. b u i. 43, Pa. ILAKE, John J. (G) - er-Teichmann Co. | Clark Bldg., Pittsburgh 22, Pa. ', Dean (M) iville, Ohio o Kilns, Inc.) iPAUGH. J. R. (RI) Force Project - York State College of Ceramics ed, N. Y. G, J. ted Glass Bottle Mfgrs., Ltd. eicester St. don, W . C. 2, England A. H . (M) erican Lava Corp., Cheroke Blvd. ttanooga, Tenn. IUM ALLOY MFG. DIV., TIONAL LEA D CO. . J. Baldwin) Box C, Bridge Station gara Falls, N . Y. H enry B. (R ) th American Refractories Co. Church St., New York 7, N. Y. G, John (E ) pherd Chemical Co. 3 Highland Ave. cinnati 12, Ohio , Henry M. (S) v Chemical Co., Midland, Mich. Edwin R. (W ) 5 Vail Ave., Apt. 21-A trlotte, N. C. ige-Warren-Zimmerman Co.) Henry (M) ; L? Queenston, Ont., Canada mac Ohio Brass Co.) :, Heioert R. (E l) R. 2, Box 544, West Chicago, 111. nerican Steel Treating Co.) Elgin M. (G) *8 Marlaine Dr., Toledo 6, Ohio imble Glass Co.) 53, No. 10 (1954) TOMASEK, A. J. (R) Walsh Refractories Corp. i01 Ferry St., St. Louis 7, Mo. TOM KINS, David E. (R) 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. Pittsburgh, Pa. TORGAL, K. G. 1/108, Mannarpuram Tiruchirapalli, S. India (Jamal Mohamed College) : TORNO, Ralph F. (E) 369 Front St., No. 1, Berea, Ohio (McGean Chemical Co.) TOROK, Julius J. (G) 934 Second St., Beaver, Pa. (Consultant) TOSTEVIN, Edgar R. (W JI) R. R. ' Bogtown Rd. .. Purdy. Station, N. Y. TOULOUSE, Julian H. (GI) 1817 Potomac Dr., Toledo 7, Ohio . (Owens-Illinois Glass Co.) TOW NSEND, William O. (GI) Box 83, Gilboa, Ohio (Sylvania Electric Products, Inc.) TRABERT, Loren A. (W I) 1024 Dodge St., Lake Geneva, Wise. (Pickard, Inc.) TREDENNICK, William T. (R I) Refractory Specialties Co. 2200 Washington Ave. Philadelphia 46, Pa. TREISCHEL, C. C. (W F I) R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. TRENTON POTTERIES CO. Plants 1 & 2, 309 N. Clinton Ave. Box 141, Trenton, N. J. TREPTOW , Arnold W. (E) Bell Telephone Labs. Murray Hill, N. J. TREVOR, John F. Moira Rd., W oodville Nr. Burton-on-Trent, England (John Knowles fit Co., Ltd.) TRIBE, Harold G. Electricity Meter & Allied Industries, Ltd. Box 4, Waterloo, Sydney, Australia. TRINIDAD CLAY PRODUCTS, LTD. (Harold A. Eckel) 44, South Quay Port of Spain, Trinidad, B. W . I. TRINKLEIN, Robert L. gW) Box 722, Santa Anna, Texas (Santa Anna Tile Co.) TRIPP, Harlan P. (RI) 1966 Langham Rd., Columbus 12, Ohio (Battelle Memorial Institute) TROMPETER, Bernard J._(W ) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. TROSTEL, L. J..(R F I) . General Refractories Co., Box 1673 Baltimore 3, Md. TROSTEL, Louis J., Jr. (I) Apt. 1, 1801 N". Fourth St. Columbus 1, Ohio TROY, H. Neal (R JI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio TROY, Walter J. (E) 888 Chili Ave., Rochester, N. Y. (Pfaudler Co.) TRUESDALE, Richard S. Box J-3, Alfred, N. Y. TSE, Shou-cheng (X J) Box 445, Station A East Liverpool, Ohio (Louthan Mfg. Co.) TUCKER, Donald J. (M I) Brentwood Manor, Winthrop Rd. Huntingdon Valley, Pa. (Precision Grinding Wheel Co.) TUCKER, Edward F. (S) Stebbins Engineering & Mfg. Co. Watertown, N. Y. TUCKER, Harvey C. (W I) Ferro Corp., 4150 E. 56th St. Cleveland, Ohio TUCKER, Roland E. (W I) Trenton Potteries Co., Trenton, N. J. TUFNAIL, Howard R. Steel Co. of Wales, Ltd., Box 9 Port Talbot, Glam., England TUNG, Chi Fang (E) 412 Morewood Ave., Pittsburgh 13, Pa. (O. Hommel Co.) 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 (JG) Glass Tech. Dept., Corning Glass Works Corning, N. Y. TURK, Richard H. (E FI) Pemco Corp., 5601 Eastern Ave. Baltimore 24, Md. TURNBULL, Edward D. (W) 500 Penn Ave,, Scranton 3, Pa. (Euston Lead Co., Div. Glidden Co.) TURNBULL, John C. (G) Radio Corp. of America RCA-Victor Div., Lancaster, Pa. TURNER, A. A. (R) 153 Lake Ave., Metuchen, N'. J. (Carborundum Co.) TURNER, Donald Messrs. Lodge Plugs, Ltd. Rugby, England TURNER, Mort D. (BI) . 1417 Addison St., Berkeley 2, Calif. (State Division of Mines) TURNER, P. P-, Jr. (RI) Thompson Products, Inc. 23555 Euclid Ave., Cleveland 17, Ohio TURNER, Robert C. (SI) 2552 Wilson Ave., Bellmore, 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. Des Plaines, 111. TUTTLE. Milton A. (B) . Box 981, Alfred, N. Y. (New York State College of Ceramics) TWELLS, Robert (W FI) Electric Auto-Lite Co., Spark Plug Div., Box 231 Fostoria, Ohio TW ELLS, Robert G. (GJI) 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. TY LER. W . S.. CO. (C. E. Jenks) 3615 Superior Ave., N. E. Cleveland 14, Ohio TYSINGER, Ted W. (S) 403 S. H argrive St., Lexington, N. C. (Cunningham Brick Co.) u U-, Camilo Valencia M. M. Contreras 50-J Mexico 4 D. F., Mexico R oster 93 jjjjjlAIANN,,C. J. (GF) 19 West, St., Worcester, Mass. . (Norton Co.) E R M A N N , 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 FRAN AISE DES ' PRODUITS REFRACTAIRES (Louise Halm) , 15, Rue de Milan, Paris 9e, France ' UNITED CLAY M IN ES CORP. (K. E. Ward) Oakland & Prospect Sts. Trenton 6, N. J. UNITED GLASS BOTTLE MFGRS., LTD . (J. Tipping) g Leicester St. London W. C. 2, England UNITED STATES GYPSUM CO. (C. M. Lambe) 300 W . Adams St. Chicago 6, 111. UNITED STATES ST E E L CORP. (W. S. Debenham) 525 William Penn PI. Pittsburgh 30, Pa. UNIVERSAL CLAY PRODUCTS CO. (C. A. Bloor) Sandusky, Ohio UNIVERSAL D EN TA L CO. (Joseph Kohn) 48th &. Brown Sts. Philadelphia 39, Pa. UNIVERSAL PO T T E R IE S . INC. (G. D. Agnew) Cambridge, Ohio UNIVERSAL-RUNDLE CORP. (A. L. Johnson! New Castle, Pa. UNIVERSAL-RUNDLE CORP. (H. P. Wangelinl 3305 W. Forest Home Ave. Milwaukee 15, Wise. UNUM, Robert F. (W I) 811 Wilmington Ave., New Castle, Pa. (Universal-Rundle Corp.) ' PDIKE, George G. (E D ; 1613 Stonewood Rd., Baltimore 12, Md. (Pemco Corp.) . UPTON, Lee O. (G) V: American Optical Co. , - . 14 Mechanic St., Southbridge, Mass. URBAN, Richard F. (R) .. 820 E St., Sparrows Point 19, Md. : (Bethlehem Steel Co.) . URBAN, Stephen F. (R) 268 Hartford Ave., Kenmore 23, N. Y. '' (Titanium Alloy Div., . National Lead Co.) ,,UTAH F IR E CLAY CO. (C. H . Myers) Box 127, Salt Lake City 10, Utah V VALDES, T hom as H . (X ) N. Crescent Dr., Kittanning, Pa. (Eljer Co.) . VALENTINE F IR E BRICK CO., DIV. W a. P. GREEN FIR E BRICK CO. (W. H . Peterson, Jr.) Woodbridge, N. J. VALENTINE, Peter Cooney (M) . 620 Market St., San Francisco 4, Calif. .. (Del Monte Properties Co.) VALIA, Bhayabhai H. 20 Bois Franc Rd. a S t Laurent, Que., Canada VALYI, Ilsabe E. (R ) ' 20 S. Broadway, Yonkers 1, N. Y. (A, R. D. Corp.) ALSTEN, Roy L. (R I) 1.9168 Sarasota, Detroit 39, Mich. Ford Motor Co.) 'CLEAVE, A. A. (R) 8100 McGroarty St., Sunland, Calif. lN COTT, Harrison C. (G) ; R.R. 1, Horseheads, N. Y. ; (Coming Glass Works) S3, NO. 10 (1954) VAN DER BECK, Roland (R I) 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) Apt. 204, 1425 McFarland Rd. Pittsburgh 16, Pa. (Carborundum Co.) VAN DRESER, Merton L. (X J) 3243 Easton Blvd., Des Moines, la. VAN DYKE, Orien W. (M) Magnet Cove Barium Corp. Box 6504, Houston 5, Texas VAN GELDEREN, L. P. N. V. Ramie Union Enschede, Holland VAN GODTSENHOVEN, Rene Director of S. A. Cerabel _Baudour, Belgium (Societe Beige de Ceramique `Cerabel" S. A.) VAN GORDON, Donald V. (M) Metal & Thermit Corp. Carteret Plant,' Carteret, N. J. VAN HORN, Harry T. (M) 741 Floral Park Rd. Franklin Square, N. Y. (Socopy-Vacuum Oil Co., Inc.) VAN H OU TEN , Louis A. (RJ) Lake Rd., Wilson, N. Y. ( Carborundum Co.) . VANICK, James 5 . (M) International Nickel Co., Inc. 67 Wall St., New York 5. N. Y. VAN NIEUW ENBURG, C. J. Laboratorium voor Microanalyse De Vries van Heyst Plein No. 2 Delft, Netherlands (D elft Technical University) VAN. SCHOICK, Emily C. (X F) New York State College of Ceramics Alfred, N. Y. VAN SCHOIK, Dickson M. (M I) 526 N. Washington, Royal Oak, Mich. (Champion Spark Plug Co.) VAN TASSEL, R. H. (E) . 527 Green Tree Rd., Kohler, Wise. (Kohler Co.) VAN VLACK, Lawrence H. (BI) - Dept, of Chem. & Metal. Engineering University of Michigan Ann Arbor, Mich. VAN W IGGEREN, Charles G. (W I) American Emery Wheel Richmond Square, Providence 1, R. I. VAN ZEE, Arthur F. (G) 3430 Inverness Ave., Toledo 7, Ohio (Owens-Illinois Glass Co.) VARGA, Eugene L. (S) O. W . Ketcham Box 57, Crum Lynne, Pa. VARMA, Satya Pal 120 Pataudi House, New Delhi, India (Ministry of Commerce & Industry) VASILOS, Thomas (BJ) 19--23 Ditmars Ave. Long Island City 5, N. Y. VAUGHAN, T. Carter (GI) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. VAUGHAN, W. Harry (XFI) Atlanta Industrial Laboratories 197 Peters St., S. W., Atlanta, Ga. VEALEj Jack H. (R) 406 Reedwood Dr., Joliet, 111. (Illinois Clay Products Co.) VEIGA, Roberto A. C. O. Ceramics Sta. Helena Caixa Postal, 32 Paranagua-Pr., Brazil VENABLE, Charles R., Jr. (R I) 1660 S. Oak, Bartlesville, Okla. (Phillips Petroleum Co.) VENABLE, Joe G. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. VENERUS, Joseph C. (W J) 158 Clinton St., Woodbridge, N. J. (Sprague Electric Co.) VERA, Francisco (W I) Privada America 1364 Monterrey, N. L., Mexico (Ladrillera Monterrey, S. A.) VERES, Frank (W I) 848 Virginia St., Toledo, Ohio ( Owens-Illinois Glass Co.) VERZOCCHI, Enrico Refrattari Verzocchi Via Telesio, 5, Milano, Italy 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, INC. (H. Failme-ger) Victor, N. Y. V ID R IE R A M ONTERREY, S. A. (Alfonso F. Rodriguez) Apartado 162, Monterrey N. L., Mexico VIGER, Burnett C. (G) 130 E. Third St., Corning, N. Y. (Coming Glass Works) VILENSKY, Michel B. (R) 1515 27th Ave., San Francisco 22, Calif. (Consultant) VINAL, Francis E. (B) . Lincoln Laboratory Massachusetts Institute pf Technology Box 73, Lexington 73, Mass. VINCENT, George L. (W I) 10 Farrington Rd., Oceanside, N. Y. {Consultant) V INTH ER, E. Heikel , Porcelainfabriken Norden Valby Langgade 95 Copenhagen, Denmark VIOLA, Nazzareno, Jr. (R J) 3032 N St., N.W., Washington, D. C. (National Bureau of Standards) VITOLO, Sylvester A. (RI) 99--6S 64th Rd., Apt. 2H Forest Hills, Long Island, N. Y. (Austenal Laboratories) V ITREOUS 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, III. VOGT. Harold G. (G) 8 Foster Rd., Lexington, Mass.- (Raytheon Mfg. Co.) VON TORY, Francis J. (D) Lehigh Ave., Perth Amboy, N. J. (Vontury, Inc.) VOORHIES, John H . (W ) 243 Arrow Highway, Claremont, Calif. (Kennedy Minerals Co., Ltd.) VOSE, Wilfred New Zealand Pottery & Ceramic Research Assn. Inc. Private Bag, Lower H utt, New Zealand VOSS, Raymond O. (G) 26 Pershing St., Corning, N. Y. (Coming Glass Works) VOSS, W alter C. (S) Massachusetts Institute of Technology Rm.5--229, Cambridge 39, Mass. (Consultant) VOSS, Wendell G. (E) 2000 Pleasantdale Dr. Cleveland 9, Ohio (Ferro Corp.) VRETOS, Epaminondas Institute of Chemistry & Agriculture "N. Canello-Poulos" of the Hellenic Co. Drapetsona, Piraeus, Greece R oster 95 yllK-'v ICjtl, Milan, Jr. (M l) Godfrey L. Cabot, Inc. . Research & Development Dept. , 38 M ,emorial Dr., Cambridge 42, Mass. w WAGGONER, Jack H. (G) . 240 Quentin Rd., N., Newark, Ohio (Fiber Glass Div., ' Pittsburgh Plate Glass Co.) ^AGNER, Bruce F. (W ) 186 N. Vernon Ave., Pasadena 3, Calif. (B. F. Wagner & Co.) VVAGNER, Rio B. (D ) 1398 Brice Rd., Reynoldsburg, Ohio (Perma Flex Mold Co.) WAHL, Albert J. (W ) _ ' A. J. Wahl, Inc., 8 Central Ave. Brocton, N . Y. " WAHLGREN, Wald A. B. Gustavsbergs Fabriker Gustavsberg, Sweden - WAINER, Eugene (W ) . Horizons, Inc., 2891 E.-79th St. Cleveland, Ohio WAITE, Virgil H . (E ) 433 Beech St., Berea, Ohio (McGean Chemical Co.) WAKEFIELD, Richard E: B. (M) ' Shallcross Mfg. Co., Collingdale, Pa. WAKELY, W ilbur T. (GJ) 7 Prospect, Warren, Pa. (Sylvania Electric Products, Inc.) WALDEN, Albert S. (R ). National Carbon Co., Cleveland, Ohio WALDHAUER, 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 r Morgan Crucible Co., Ltd. Battersea Church Rd. . London, S. W. 11, England ,, WALKER, Raymond F. (B) 2740 Porter St., N. W . 8 Washington, D. C. (National Bureau of Standards) WALKER, W arren W . (R ) 29 Laurel PL, Upper Montclair, N. J. (Graphite Metallizing Corp.) WALKUP, D. H. (W ) Kilgore Ceramics Corp., Box 1619 Kilgore, Texas WALLA, Max R. (W ) Box 1369. Little Rock, Ark. (Winburn Tile Mfg. Co.) WALLACE, A rthur (W ) . 303 A Houston St. Chattanooga 3, Tenn. . (American Lava Corp.) WALLACE, Curtis C. (G) Electric Storage Battery Co. Box 5723, Philadelphia 20, Pa. WALLACE, Paul F . (B) 76 Ward Park Rd., Grand Island, N. Y. (Carborundum Co.) :: WALSH, Donald E. (W ) Consolidated Feldspar Dept., International Minerals & Chemical Corp. East Liverpool, Ohio WALSH R EFRA CTO RIES CORP. . (A. J. Tomasek) 101 Ferry St. St. Louis 7, Mo. WALTON, Jesse D,, Jr. (E ) , 4835 Durden Dr., Apt. 3 Chamblee, Ga. (Engr. Expt. Sta. Georgia Institute of Technology) Wa l t o n , s . f . ( r f i ) Exolon Co., Tonawanda, N. Y. Vol. 33, No. 10 (1954) is. . 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. (W right 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, III. WANGELIN, H. P. (W ) ' Universal-Rundle Corp. ' 3305 W . Forest Home Ave. Milwaukee 15, Wise. WARD, George W . (S ) Gustin-Bacon Mfg. Co. 210 W . Tenth St., Kansas City, Mo. 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. - WARD, Mrs. S. Paul (M) 601 Mission St., South Pasadena, Calif. (S. Paul Ward. Inc.) WARDE, 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. (X) 934 Michigan Ave., Evanston, 111. (Sierra Talc & Clay Co.) WARREN, George (E l) 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. (Refractories Corp. of America) WASHABAUGH, Grover C,, Jr. (M) New Castle Refractories Co. New Castle, Pa. WASHINGTON BRICK CO. (John R. Clark, Jr.) Muirkirk, Md. 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. (W I) 28 Sweetbriar Lane, Levittown, Pa. (Wenczel Tile Co.) WATKIN, Robert W . (W ) 2507 St. Clair Ave. East Liverpool, Ohio (Edwin M. Knowles China Co.) W ATKINS, Charles Box J--3, Alfred, N. Y. W ATKINS, George B. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio WATKINS, Ray T. (S) U. S. Tariff Commission, Ceramic Div. Washington, D. C. WATKINS, William E. (MI) 6363 Alderwood Dr., Cleveland 30, Ohio (Allied Engineering Co.) WATKINS, W. J. (M) Kentucky Clay Mining Co. Mayfield, Ky. WATSON, George F . (R ) American Brake Shoe Co. Metallurgical Lab., Mahwah, N. J. WATSON, James M. (X J) Box 178, Farmville, Va. W ATT, Charles 4731 21st, N. E., Seattle 5, Wash. W ATT, Loren (W ) W att Pottery Co. Crooksville, Ohio W ATT POTTERY CO. (Loren W att) Crooksville, Ohio WATTS, Arthur P. (R). A C Spark Plug Div., General Motors Corp., Dept. 3103 Flint, Mich. W ATTS, Arthur S. (Honorary, W FI) Lord Hall, Ohio State University Columbus 10, Ohio WAXLER, Roy M. (G) National Bureau of Standards Van Ness & Connecticut Ave. Washington, 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. WEAVER, F. L. (R) Weaver Material Service, Gokey Bldg. Jamestown, N. Y. WEAVER, Harold L. (G) 303 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) WEAVER, R. A. (EF) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio WEBBER, John J. (R) 138 Meadowbrook Dr. Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) WEBER, Berthold C. (W ) 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. (R I) 311 E. Beaver St., Zelienople, Pa. (Lava-Crucible-Refractories Co.) WEBSTER, David (S) Polychemicals Div. W est Virginia Pulp & Paper Co. Box 832, Charleston, S. C. WEBSTER, Paul A. (G) Moravia Rd., Avon, Conn. (Hartford-Empire Div., Emhart Mfg. Co.) W EDDELL, George' G. (W ) Geotic Industries, Inc. 515 S. Main St., Pittsburgh 20, Pa. WEHTJE, Ernst J. . Box 269, Malmo 1, Sweden - (AB Ifoverken & Skanska Cement) W EHTJE, Karl Eredrik A /B Rorstrands Porslinsfabriker Lidkoping, Sweden . W EIDEL, Robert A. (G) 497 Apple Orchard Lane . Webster, N. Y. (Bausch & Lomb Optical Co.) WEIDENBAUM, Sherman S. (G) 154 W . Third St., Corning, N. Y. (Corning Glass W orks) WEIDMAN, V. Wesley (R) 201 Duncan Ave., Wilmington 3, Del. (E . I. du Pont de Nemours & Co., Inc.) W EIGEL, Robert C. (R) 820 Woodlawn, Mexico, Mo. (Mexico Refractories Co.) W EIL, Edgar H. (E) Vitreous Steel Products Co. Box 3991, Cleveland 20, Ohio WEIL, Kurt E. Quimica Industrial Barra Do Pirai Rua Jose Bonifacio 250, 11 Andar Sao Paulo, Brazil W EINER, George H . (W ) Deena Products Co., 825 S. Wabash Ave., Chicago, 111. WEINFURTNER, E. M. (R) North American Refractories Co. National City E. Sixth Bldg. Cleveland 14, Ohio R oster 97 EINSTEIN,.Alex (G) 200 N. W ater St., Peekskill, N. Y. (EdnaLite Optical Co., Inc.) EINTRITT, Donald J. (B) 5122'Pine St-, Bellaire, Texas (Baroid Div., National Lead Co.) E lf 'R obert L. (G) s L Second St., Logan, Ohio (General Electric Co.) EISER, Rosabel V. (W ) 253 S. Brady St., Dufois, Pa. (Jeffers Electronics Div.) EISKE, Ino (S I) Box 353, Mission, Texas (Valley Brick & Tile Co.) EISS, E. Joseph (BI) Dept, of Ceramic Engineering University of Texas, Austin, Texas EISS, W. Russell (R) Wellsville, Mo. (Wellsville Fire Brick Co.) EISSMANN, Theodore S. (R) 298 Red Maple Dr., S., Levittown, N. Y. (Sylvania Electric Corp.) EISZ, Robert S. (B) RCA Laboratories, Princeton, N. J. ELCH, A. Philip (BI) 912 Grand Ave., Ames, la. (Iowa State College) ' ELCH, James S. American Ceramic Society 4057 N. H igh St-, Columbus 14, Ohio ELCH, Richard L. (R) . Dominion Firebrick & Clay Products, Ltd. Claybnk, Sask., Canada 'ELDIN, Thomas D. (R ) E. I. du Pont de Nemours & Co. Inc. 5215 Kennedy Ave., East Chicago, Ind. SELLER, Harvey C. (G) Surface Combustion Corp. 2375 Dorr St., Toledo 1, Ohio CELLING, Charles E. (R) Ford Motor Co., Scientific Lab. f -t.: Staff, Box 2053, M B Station : joora, Mich. VEL.5, A. A. (W F) Homer Laughlin China Co. Newell, W. Va. VELLS, J. M. (W) " Homer Laughlin China Co. Newell, W. Va. VELLS. Ralph G. (B) United States Steel Corp. 234 Atwood St., Pittsburgh 13, Pa. VELSHANS, L. T. (R) Diamond Alkali Co-, Painesville, Ohio .VELTERLEN, James D. (M J) 4630 Zane St-, Los Angeles 32, Calif. (Gladding, McBean & Co.) WENCZEL, C. (W) Wenczel Tile Co., Box 908 Trenton, N. J. WENCZEL T IL E CO. (C. Wenczel) Box 908, Trenton, N. J. WENDT. Nelson E. (W ) American Potash & Chemical Corp. 595 Foch Blvd., Williston Park, N. Y. WENGER, A. H. C. Messrs. Wengers Ltd. Etruria, Stoke-on-Trent, England WENNING, W. F. (E ) Ceramic Color & Chemical Mfg. Co. Box 297, New Brighton, Pa. WENTZ, B. B. (S) Beiden Brick Co. 700 W. Tuscarawas St., Canton 1, Ohio WERNER, Alan J. (G) 159 Watauga Ave., Coming, N. Y. (Corning Glass Works) WEST, Frank Haslemere Greenlane ton, Derby, England ' fbyshire Silica Fire Brick Co.) WES i, Howard F. (R) 1400 Caton Ave., Joliet, 111. (Illinois Clay Products Co.) WEST, Richard R. (B) Box 493, Alfred, N. Y. (New York State College of Ceramics) Vol. 33, N o. 10 (1954) WEST VIRGINIA BRICK CO. (Claude F. Wiseman) Charleston, V . Va. WESTBROOK, J. H. (B) General Electric Co., Rm 324 Research Laboratory, The Knolls Schenectady, N. Y. W ESTERN BRICK CO. (I. R- Cline) Danville, 111. W ESTERN CLAY MFG. CO. (A. C. Bray) Box 176, Helena, Mont. W ESTERN ELECTRIC CO., INC. (J. W. Scott) 7640 Hawthorne Station Chicago 23, 111. W ESTERN ELECTRIC CO., INC. (W . J. Scott) 2525 Shadeland Ave. Indianapolis 6, Ind. W ESTERN FELDSPAR MILLING CO. (J. W . Magnuson) Box 671 Salida, Colo. . W ESTFALL, Emmett M. Box 126, Alfred, N. Y. WESTINGHOUSE ELECTRIC CORP. (John D. HarnisB, Jr.) Derry, Pa. W ESTLAKE, C. Rogers (W ) Box 454, Antioch, 111. ( Pickard Inc.) WESTMAN, A. E. R. (RF) Dept, of Chemistry Ontario Research Foundation ` 43 Queen's Park Crescent Toronto 5, Ont., Canada W ESTM ONT, O. B. (R ) Johns-Manville Products Corp. Lompoc, Calif. W ESTON, Ralph H . (S I) Arketex Ceramic Corp., Brazil, Ind. WEYL, Woldemar A. (GF) Dept, of Mineral Technology Pennsylvania State University State College, Pa. WHALEN, Thomas J. R. R. 1, State College, Pa. ` WHEELER, D. D. (W) Titanium Alloy Mfg. Div. Ill Broadway, New York 6, N. Y. W HEELER, William H. (M I) B o x '57, Chesterton, Ind. (Gary Steel Works--United States Steel Corp.) W HEELING STEEL CORP. (Ernest B. Snyder) Steubenville South Plant - Steubenville, Ohio W HERRY, Allen P. (E l) 9652 Oakdale Rd., Parma 29, Ohio (Hunter-Thomas Assoc.) W HICHER, William C. 224 Ash, Ames, la. WHITACRE, D. D. (R) Whitacre-Greer Fireproofing Co. Waynesburg, Ohio WHITACRE-GREER F IR E PR O O FIN G CO! (D. D. Whitacre) Waynesburg, Ohio W HITACRE, Maxwell L. (M) Carborundum Co., Buffalo Ave. Niagara Falls, N. Y. WHITAKER, Fred A. (W I) 64 Linden Ave., Metuchen, N. J. (General Ceramics Corp.) WHITAKER, H. Rustless Iron Co., Ltd. jg a||B y rrico Works, Keighley, England W h it a k e r , l. r . (s f i) 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.) W H ITE, George D. (R) Box 474, Norris, Tenn. (Carbide & Carbon Chemical Co.) W HITE, Harold E. (RFI) R. R. 6, "Windy Knoll," Butler, Pa. (Lava Crucible Refractories Co.) W HITE, J. F. (G) 9208 Adelaide Rd., Bethesda 14, Md. (U. S. Government) W HITE, Jonathan S. (W ) 1302 Singer PL, Wilkinsburg Pittsburgh 21, Pa. (Stupakoff Ceramic & Mfg. Co.) Div. Carborundum Co.) W HITE, O'Mara (G) 642 Fairmont Ave., Westfield, N. J. (Carborundum Co.) WHITEHEAD, Merlin H. (E) Columbian Enameling & Stamping Co. Terre Haute, Ind. W HITESELL, Lysle E. (R) Wellsville, Mo. (Wellsville Fire Brick Co.) W HITFIELD, Robert E. (R) Chas. Taylor Sons Co., Box 58 Annex Station, Cincinnati 14, Ohio W HITFORD, William G. (D F ) Box 38, Olympia Fields, 111. (University of Chicago) WHITNEY, Eugene H. (R) Gladding, McBean & Co. 945 Elliott Ave., W., Seattle 99, Wash. W HITNEY, John B. (E ) 17426 Norton Ave., Lakewood 7, Ohio (Ferro Corp.) W HITTAKER, Clyde M. (W ) Box 960, New Castle, Pa. (Universal-Rundle Corp.) W HITTAKER, G. W ard (W ) 28 Meade Rd., Ambler, Pa. (Universal-Rundle Corp.) . WHITTAKER, Harry (G) American Rock Wool Corp. ' South Plainfield, N. J. WHITTEMORE, J. W. (SFI) Virginia Polytechnic Institute Blacksburg, Virginia W HITTEM ORE, O. J. (S) Vincent Clay Products Co.', Box 603 Fort Dodge, la. WHITTEMORE, O. J., Jr. (RI) Norton Co., Worcester 6, Mass. W HITTEM ORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. WICKS, John Simison (W ). 333 New Lenox Rd.,. Pittsfield, Mass. (General Electric Co.) W IDEMANN, R. V. Institut'de Cramique Franaise 6 Grande Rue Sevres, Seine Oise, France WIKER, Richard M. (G) 206 Rand Ave., Painted Post, N. Y. (Corning Glass W orks) 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 WILD, William A. P. Albion Clay Co., Ltd., Woodville Nr. Burton-on-Trent, England W ILDER, David R. (B J) 1212 S. Third St., Ames, la. (Ames Laboratory-Atomic Energy Commission) W ILHELM, William J. 318 Centre St., E ast Mauch Chunk, Pa. WILKE, William P., I l l (G) Hammond Lead Products, Inc. 5231 Hohman Ave., Box 912 Hammond, Ind. W ILKES, Gordon B. (R F) Box 131, East Orleans, Mass. WILKINS, E. D. Kaiser Bauxite Co. Spur Tree, Jamaica, B. W . I. W ILKINS, Ian Hugh (E J) 27 Prince Charles Dr. Oakville, Ont., Canada (Ferro Enamels (Canada) Ltd.) R oster 99 /ILLEM S, h . W. V. (G) W ILSON, Maurice S. (R ) WOOD, Kenneth T. (R ) ' 1513 Pacific Ave., Brackenridge, Pa. Spring Lake Rd., Wallingford, Conn. 102 Grace Blvd., Painted Post, N. Y. (Pittsburgh Plate'Glass Co.) (American Refractories & (Corning Glass Works) /ILLIAMM EE, G. Darby (R) Crucible Corp.) WOOD, Lewis C. (R) R .'R . 6; York, Pa. WILSON, Ray H. 1219 E. Fourth S. (J. . Baker Co.) Shaw AF Base, Box 106, Sumter, S. C. Salt Lake City 2, Utah ILLIAMS, Alan B. (R I) W ILSON, Robert Charles (W I) (Kennecott Copper Corp.) ! i 920 Monte Sano Ave., Augusta, Ga. Glendale Manor Apts., Apt. 4A WOOD, Llewellyn, Jr. (S) / '"rbcock & Wilcox Co.) Pleasantville, N. J. Carrington Woods, Milledgeville, Ga. I'; IMS, Arthur E. (G) (Lenox, Inc.) (Oconee Clay Products Co.) *. -* Eighth St., Moundsville, W. Va. WILSON, Roger E. (R) WOOD, Russell K. (W I) ' (Fostoria Glass Co.) Box 958, Alfred, N. Y. 3900 E. California St. ILLIAMS, Charles (EJ) (Air Force Project, Alfred University) Pasadena 10, Calif. 8321 14th Ave., Apt. 102 WINBURN, H. L. (S) (Wallace China Co., Ltd.) Hyattsville, Md. Box 1369, Little Rock, Ark. WOODRUFF, Ernest W. (R) (National Bureau of Standards) (W inbum Tile Mfg. Co.) 910 Custer Ave., Evanston, 111. ILLIAMS, Clyde (R F) WINCHELL, Richard (R) (Refractory Products Co.) Battette Memorial Institute 16 A Glenwood Ave. WOODS, C. J. (E ) 505 King Ave., Columbus 1, Ohio Jersey City 6, N. J. North American Philips Co., Inc. ILLIAMS, Francis J. (M) Baroid Sales Div., National Lead Co. (Seaboard Refractories Co.) WINDISCH, Robert P. (D) Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. I Box 1675, Houston 1, Texas Roseville Pottery, Inc. WOODS, William J. (W ) ILLIAMS, Gordon R. (X) Zanesville, Ohio Box 627, Lewistown, Pa. Box 186, Florence, Ala. W INEM ILLER, William F. (R) (Pennsylvania Pulverizing Co.) (Stylon Southern Corp.) 11 Ardmore Road, Worcester 9, Mass. WOODS, William J., Jr. (W ) ILLIAMS, H arry M. (W ) (Norton Co.) . Pennsylvania Pulverizing Co. Locke Dept., General Electric Co. W IN KEL, M. Lee (S) 140 Stanwix St., Pittsburgh 22, Pa. Charles & Cromwell Sts., Baltimore, Md. Champion Brick Co. W OODVILLE LIM E PRODUCTS CO. ILLIAMS, John A. (W ) Box 250, Trenton 2, N. J. 7600 Pulaski Highway ~ Baltimore 6, Md. (J. Robert Cowell, Jr.) 2140 Jefferson Ave., Toledo 2, Ohio <Mitcbell-Bissell Co.) W IN SH IP, Lee C. (G) WOODWARD, Roger (I) ILLIAMS, John C. (W ) Sylvania Electric Products, Inc. 861 Euclid Ave., Elmira, N. Y. Franklin Manor, Apt. 3-J2 Emporium, Pa. WOODWARD, Thomas R. (W ) Morristown, N. J. W IN SH IP, William W . (W ) 2558 Oakwood Ave., Zanesville, Ohio (Bell Telephone Labs) 38 Shonnard Ave., Freeport, N. Y. . (Elgee Potteries, Inc.) ILLIAMS, Leroy L., Jr. (E JI) W IN SH IP, William W., Jr. (G) WOOLDRIDGE, Morris L. (S) ' 1143 "Covert Ave., Apt. B-5 Thermal Syndicate, Ltd. 7531 S. Perry Ave., Chicago 20, 111. Evansville, Ind. Lynbrook, N. Y. (Universal Wheel & Abrasive Corp.) (Seeger Refrigerator Co.) W INTER, Aniuta WOOLEY, Seward E. (R I) LLIAMS, Lloyd D. (G) Corning Glass Works, Danville, Ky. XLIAMS, Robert A., Jr. (W ) American Encaustic Tiling Co., Inc. Ninth St. & Kenilworth Ave. Lansdale, Pa. LLIAMS, Robert B. (W ) l ' Westwood Ave. C( jhooga, Tenn. (American Lava Corp.) LLIAMS, Robert M.- (R I) 5809 Royal Oak Ave., Baltimore, Md. (General Refractories Co.) LLIAMS, W alter E. (MI) New Castle Refractories Co. New Castle, Pa. LLIS, James B. (E) 1355 Crofton Rd., Baltimore 12, Md. (Pemco Corp.) . LLMORE, Tracy A. (R) 1118 W. Illinois St., Urbana, 111. (University of Illinois) Institut d'optique Thorique et Applique, 3, Bld Pasteur Paris (15) France W INTER, William E. (MJ) 2370 Bensonia Ave., Pittsburgh 16, Pa. WISCONSIN PORCELAIN CO. (L. A. Stohl) Sun Prairie, Wise. W ISE, L. G. (X ) . E. I. du Pont de Nemours & Co-, Inc. Chemical Dept., Experimental Sta. Wilmington, Del. W ISEM AN, Claude F. (S) West Virginia Brick Co. Charleston, W . Va. W ISHON, Berhl E. (I) ` 1436 S. Fourth St., Columbus 7, Ohio W ISHOSKI, I. Stanley (R) Industrial Heating 1400 Union Trust Bldg. Pittsburgh 19, Pa. W ISN YI, Leonard G. 14 Simplex Ave., New Brunswick, N. J. W ISS, J. E. (MFI) 6 Westbury Bldg., 66 E. Cliff St. Somerville, N. J. (Johns-Manville Research Center) WOOTEN, Richard M. (W J)' 10 Columbia Ave., Vineland, N. J. (Kimble Glass Co.) WORCESTER ROYAL PORCELAIN CO., LTD. (Joseph F. Gimson) Royal Porcelain W orks W orcester,"England WORCESTER, W . G. (X FI) 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. WORTLEY, G. W. R. & A. Main, Ltd., Gothic Works LLMS, Albert E. (M) 1339 Lincoln Rd., Columbus 12, Ohio Falkirk, Scotland 476 Parker Ave., Hackensack, N. J. (Consultant) WRIGHT, Edward P. (MI) (Whittaker, Q ark & Daniels, Inc.) WITMER, Frank (G) ' Box 387, East Liverpool, Ohio LLS, Robert E. (R) 612 W. Main St., Woodville, Ohio (New Castle Refractories Co.) Box 220, Coal City, Illinois (Ohio Lime Co.) WRIGHT, H. D. (M) (Illinois Clay Products) LLSON PRODUCTS, INC. (Thomas A. Willson) Box 622 Reading, Pa. LLSON, Thomas A. (G) Willson Products, Inc., Box 622 Reading, Pa. -SO N, Calvin S. (G) Libbey Glass Div. Owens-Illinois Glass Co. Toledo 1, Ohio .SON, Charles L. (S) 217 N. Meridiari St., Brazil, Ind. (American Vitrified Products Co.) -SON, George (R) 131 Edison Ave., New Castle, Pa. (New Castle Refractories Co.) .SC; W h H ,, Jr. Clei. , College, Olin Hall Clemson, S. C. .SON, John R. 425 New York Ave., Clairton, Pa. W ITSCHEY, Ray A. (R) A. P . Green Fire Brick Co. 122 S. Michigan Ave., Chicago 3, 111. W ITTER, Raymond B. Apto. 4092--Con-eo del Este Chacaito-Caracas, Venezuela . . (Fabrica de Productos Ceramicos) WITUCKI, Robert M. (G) 832 W . Foster Ave., State College, Pa. (Pennsylvania State University) WITZEMANN, A. W. (W ) 207 Franklin Ave., Kittanning, Pa. (E ljer Co.) WOMELDORPH, R. C. (G) 151 Riverview Dr., Newark, Ohio (Owens-Coming. Fiberglas Corp.) WONGSOREDJO, Rasmadji Box 221, Alfred, N . Y. WOOD, Clifton E. (S) Box 92A, Smith Neck Rd. South Dartmouth, Mass. (Comell-Dubilier Electric Corp.) Endevco Corp., 689 S. Fair Oaks Ave. Pasadena 2, Calif. WRIGHT, Harold D. (RJ) 3106 Floyd St., Ashland, Ky. (North American Refractories Co.) WRIGHT, J. E. Messrs. A. G. Hackney & Co., Ltd. Fairfield Pottery, Hanley Stoke-on-Trent, England WRIGHT, J. W. (GI) 1129 W arren St., Alton, 111. Owens-Illinois) WRIGHT, Jack (D) University of Omaha Dept of Fine Arts 60th 8c Dodge Sts., Omaha, Nebr. WUELLNER, Joseph F. (E ) 1602 Galion Ave., Cleveland 9, Ohio (Ferro Corp.) WURTZ, John G,, Jr. (X) Pacific Coast Ceramic News 509 S. Beverly Dr. Beverly Hills, Calif. .. 33,' No. 10 (1954) Roster 101 yVYATT, Bradley W . (S ) Pacific Clay Products 9500 S. Norwalk Blvd. Los. Nietos, Calif. wyCKOFF, W. R. (R) Joseph Dixon Crucible Co. \ Wayne St., Jersey City 3, X. J. yjl NT, James F. (BI) Standard Oil Co. (Indiana) Engineering Research Dept. 2400 New York Ave., Whiting, Ind. \VYSOR, 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. (E ) , Apartado. 486, Monterrey, N. L., Mexico (Productos Ceramicos, S. A.) YAVORSKY, Paul J. (B) McDanel Refractory Porcelain Co. Beaver Falls, Pa. YAWITZ, M urray (G) Fish-Schurman Corp. 70 Portman Rd., New Rochelle, N. Y. YEATER, Roy G. (G) oria Glass Co., II, Bumpei Moundsville, W.-Va. Asahi Glass Co., No. 1 Benten-cho Tsuru mi-Ku, Yokohama, Japan YOUNG, David A. (S ) Cloud Ceramics, Concordia, Kansas 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. (X ) Armour Research Foundation 3417 Federal, Chicago 16, 111. YOUNG, John C. (G) Portuguese Bend Club Portuguese Bend, Calif. (Hayward Scientific Glass Corp.) YOUNG, Lloyd G. (G) Corning Glass Works, Main Plant Glass Tech., Coming, N. Y. YOUNG, Robert W. (G) American Optical Co. Glass Research Lab. Southbridge, Mass. YOUNG, Stanley H. (R I) Cleveland Quarries Co., Amherst, Ohio YOUNG, Vincent M. (G) Bausch & Lomb Optical Co. Rochester 4, N. Y. YOUNG, Willard G. (W I) W. A. Case & Son Mfg. Co. Robinson, 111. YOUNG, W . O. (W I) Box 575, Honeoye Falls, N. Y. (Victor Insulators, Inc.) YOUNGBLOOD, Charles J., Jr. (G) Mississippi Glass Co. 88 Angelica St., St. Louis 7, Mo. YOUNT, Richard V. (G) Solvay Process Div. Allied Chemical & Dye Corp. Syracuse, N. Y. YUNG, Lim Heng 906 S. Fourth St., Champaign, 111. YUTZEY, Marvin G. (D) Fostoria Glass Co., Moundsville, W. Va. Z ZAHN, William A. (W ) 10 Church St., Matawan, N. J. (Atlantic Tile Mfg. Co.) ZAHNISER, Geo. B. (W ) Shenango China, Inc., New Castle, Pa. ZANOWIAK, Peter P. (S) 515 S. E. 21st St. Mineral Wells, Texas (Texeramics Co.) ZAPFE, Richard C. (W ) 162 Penfield St., Pomona, Calif. (Pomona Tile Mfg. Co.) ZAPFFE, Carl A. (E) 6410 Murray Hill Rd. ' Baltimore 12, Md. (C. A. Zapffe & Associates) ZARBO, George (G) 2638 Latonia Blvd., Toledo 6, Ohio (Kimble Glass Co.) ZAVIS, Lewis (W ) 11012 S. Chanera, Inglewood, Calif. (H. F. Coors) . ZAWISTOWSKI, Arthur V. (W I) 904 Ohio Ave., Trenton 8, N. J. (R. C. A. Victor Div.) ZEILLER, Irwin F. (M) 150 Mason Dr., Flower Hill Manhasset, Long Island, N. Y. (B. F. Drakenfeld & Co., Inc.) ZERFOSS, Samuel (RF) Crystal Branch, Code 6433 Naval Research Lab. Washington 20, D. C. ZICKEFOOSE, Ellis J. (R) Griffin Wheel Co. 445 N. Sacramento Blvd., Chicago, 111. ZIEGFELD, Robert L. (M) Lead Industries Assn. 420 Lexington Ave. New York 17, N. Y. ZIMAR, Frank (G) Coming Glass Works Main Lab., Coming, N. Y. ZIMMER, David C. (W I) 223 Chelsea St., Sistersville, W. Va. (Paden City Pottery Co.) ZIMMERMAN, William :F. (B) 3836 McNicholas St. Cincinnati 36, Ohio (General Electric Co., Gas Turbine Div.) ZINK, George H. (E l) A. O. Smith Corp. 3535 N. 27th, Milwaukee, Wise. ZINK, Harold F. (G) Owens-Illinois Glass Co. 1700 N. Westwood, Toledo 1, Ohio ZLOTNICK, Herbert Raytheon Mfg. Co., Research Div. Waltham 54, Mass. ZNEIMER, Joel E. (W JI) 40A Chester Circle, Raritan Gardens New Brunswick, N. J. (General Ceramics Corp.) ZOLLMAN, James A. (XJ) 1221 Penrod Ave. S. E., Roanoke, Va. 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. (B) Lincoln Electric Co. 22801 St. C lair Ave., Box 3115 Cleveland, Ohio ZVANUT, Frank J. (E l) 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 BARDSLEY, James J. (R J) 133 E. Third St., Coming, N. Y. (Coming Glass Works) CHAI, Ki-Kon Grove City College, Ketler Hall Grove City, Pa. CLOWES, E. J. (W ) Clowes Ceramic Corp. 3711 Calhoun Ave., Chattanooga, Tenn. iEICHBAUM, Badane R. JBevier Rd:, New Brunswick, N. J. FLLw N, John D. (R) 3440 Gallatin Rd., Toledo, Ohio (Owens-Illinois Glass Co.) Ha u b e in , Wenden l . 708 W. 12th St., Rolla, Mo. Vol. 33, N o. 10 (1954) KEEFER, George E. (G) Owens-Illinois Glass Co. 14th & Adams St., Toledo, Ohio KALLAUNER, Otakar ` % Katedra Vysoke Skoly Stavitelstvi Brno, Czechoslovakia KERR, John M. 1008 S. Fourth St., Champaign, 111. O'HARE, Charles A. (W ) American Cyanamid Co. 30 Rockefeller Plaza New York 20, N. Y. REED, A. J. (X) 8602 Witkop Ave. Niagara Falls, N. Y. SAUNDERS, Richard A. (S) 2556 Larwood Dr., Charleston, W. Va. (Charleston Clay Products Co.) SPAIN, Richard W. (G) 2315 Drummond Rd., Toledo, Ohio (Owens-Illinois Glass Co.) THUNHORST, Helen M. Box 457, Alfred, N. Y. WACHTMAN, John B,, Jr. (B) 2614 Cathedral Ave., Washington, D. C. (National Bureau of Standards) WARD, John B. (D) Coming Glass Works, Coming, N. Y. W ELTE, Ralph J. (S) Summit Pressed Brick & Tile Co. Box 533, Pueblo, Colo. WRIGHT, Thomas S. (R) 485 Monterey, Lionview P. O. North Vancouver, B. C., Canada (Fairey & Co. Ltd.) R oster 103 Institute of Ceramic Engineers Membership Roster oer Grade k; Albert S. /, D. F. .esle R. rg, Charles R. snaan, J. H. jws, Andrew I. K>ld, W alter H., Jr. trong, Leland R, d, Howard C. d, Thomas M. ice, Frank C. a, Chester R. a, J. L. ott, Elliott C. >ck, Paul R. f, Floyd George J. iuf, Earl E. - e, Harold W. nger, Lawrence E. lann, Henry N., Jr. , M. Douglas James R. . Roy D. aer, Milton F. >n, Earl E. .ett, A. Lee .ett, Dwight G. :ett, Myles P. elhamer, Louis. H. . George C. 1, B '"~="'pnd E. kbui L Reif e, Vi ^.iam V. , Henry H. sing, Robert Lee le, A rthur J. lenthal, George :er, V. W. ;ar, Edwin J. nger, Robert H. :e, M. C. ne, M artin S. i, John E. i, Robert C. iley, R. S. iwell, Cyril nlett, William P., Jr. idt, William O. wn, Donovan P. wn, Lawrence H. wnell, Wayne E. sh, George D. ant, Eugene E. kner, O. S. chfiel, B. M. dick, Milton D. ler, C. Edward, Jr. ;oon, G. J. to. A. M. lahan, H . 'D. Unan, Edward E. apbell, Robert M. Tuthers, John L. ter, F. B. ter, Herbert D. twright, S. V. tanaugh, D. J. 'ford, James M. tistman, H. M. re, Robert L. ttk, John D. tens "'gene C. e, li \ W. teen, _ .iliam W. e,' Sahdford S. junan, Robert L. juts, Paul F. "ins, William G. tunons, Charles H., Jr. tover, Ray C. |v 33, No. 10.(1954) Contardi, William A. Cook, Ralph L. Cordes, John E. Couch, Albert H. Cramer, W . E. Crandall, Eugene R. Crandall, James R. Crandall, William B. Crawford, George E. Crawford, J. L. Cress, William C. Curtis, Carl E. Dager, Probert W. Danielson, R. R. Davies, Chester A. Davis, Harry E. Day, Jack F. . Day, Ralph K. Day, Robert B. Dear, Paul S. DeRemer, John W. Deringer, W .'A. Diamond, Grant S. Dietterle, Edwin W. . Dilliard, Paul D. Dodd, Charles M. Donnenwirth, A. L. Doran, Robert F. Dressier, Philip Drouhard, W. J. DuBois, H . B. Duckworth, Winston 1 Eagle, J. Eugene Easter, George J. Eggleston, Myron M. Ehman, Roy G. Eitel, Wilhelm Elder, John C. Ellard, Earle R. Emrich, Emerson W. Everhart, J. O. Fabianic, William L. Fahrenbruck, William O. Failmezger, Howard Fallon, Frank J. Fay, Wayne X. Feagin, Roy C. Fellows, R. L. Fels, C. G. Fessler, A. H. Fitzgerald, Alex E. Fleming, Charles A. Flint, E. P. Flint, Francis C. Foraker, Robert W. Ford, Walter D. Frabme, Herman H. Frame, Dudley P,, Jr. Francisco, Allen C. Fraser, Lewis H. D. Fraser, Orray T. Frazier, J. Earl Frechette, Van Derek Frederick, C. L. Freeman, Charles A. French, Preston W. Fritz, E. H. Fuller, Richard B. Fulmer, Raymond C. Funnel!, John E. Gallup, John Garve, T. Walter Gaskins, W . W. Gautsch, Murray C. Geiger, Charles F. Geller, R. F. Gerster, C. W. Gibson, R. L. Gill, Joseph W. Gill, LaVerne N. Gitter, Alice Josephine Glaze, Francis W. Goodrich, Hobert R. Gould, Robert E. Green, R. S. Gregorius, J. S. Grigg, Paul E. Hagar, Donald Hallett, Crawford W. Hamilton, Edgar H. Hanna, H. H. Hanna, Ralph E. Hansard, W. Carey Hansen, J. E. Hardy, Ronald G. Harnish, John D., Jr. Hartshorn, T. D. Hazen, E. J. Heddell, James V. Heiligman, H. A. Heiser, Perry D. Hemsteger, Samuel E. Henderson, Frederick C. Hendren, Robert R. Henry, Edward C. Hepplewhite, J. W. Herold, Paul G. Hewitt, L. C. Higgins, Waldo W. Hopkins, Robert W. Horak, William Homing, Roy A. Homung, Martin R. Hossenlopp, Arthur M. Hostetter, J. C. Howe, Elroy E. Hower, Lawrence D., Jr. Hughes, W alter M. Hunt, Frank S. Hunt, John F. Huppert, Paul A. Hursh, Ralph K. Hutchison, Clark Hutchison, R. C. Hyde, Coliin Irvine, George C. Ives, John B. Jackson, A. Curtis Jacob, Bernard T. Kauffman, John R. Kautz, Karl Keith, Wendell P. Kempf, William C. Kenagy, William L. Kent, Joseph P. Kent, N. Johnson Keplinger, Robert B. Kerper, Matthew J. Kerr, W . Raymond King, R. M. Kirkendale, George A. Kirkpatrick, Frank A. Klinefelter T. A. Knapp, William J. Knecht, A. O. Knoblaugh, Walter C. Koch, Williaih J. Koehler, W . A. Koenig, Charles Jacob Koenig, John H. Koos, E. K. Kraner, Hobart M. Kriegel, W. Wurth Kronman, Samuel J. Kuechler, A. H. Kunzman, Edward E. I.aird, Charles Lambe, C. M. Lambertson, Wingate A. Lane, Richard O. Lannes, Eugene M. Latimer, Horace L-. Lee, P. William Leibson, Jacob S. Lesar, Albert Lewis, Gordon E. Ligon, Elmer R. Limes, Robert W. Lindsay, Carey E. Lintz, Elmo H. Lobaugh, Frank E. Louden, R. H. Lowe, George K. Luks, Daniel W. McCann, D. M. McCollom, Perry C. McDonald, E. F. McDougal, Taine G. McDowell, Samuel J. McElroy, R. H. McIntyre, G. H. McMahon, John F. McNamara, E. P. McVay, T. N. MacDonald, R. W. Magid, H . S. Malm, Arthur T. Mandel, Charles J. Martin, Ralph H. Massengale, Gordon B. Matson, Frederick R. Maupin, Addison Meeka, Edward Merck, Walter J. Merriam, Jack G. M erritt, Clarence W. M erritt, Lester M. Merry, E. B., Jr. Messimer, Laverne A. Metzger, A. J. Michael, Frank L. Miller, Grant E. Miller, Howard L. Miller, John B. Miller, Russel A. Milliken, Edward C. Minton, G. Z. Mitchell, Lane Mitra, H. K. Mohr, William C. Montgomery, Earle T. Moore, Dwight G. Moore, Richard S. Morgan, Stuart F. Morgan, William R. Moser, John L. Mowrey, Fred W. Mundy, O. S. Murray, Maurice A. Nelson, Forrest W. Newcomb, Rexford, Jr. Norton, Frederick H. Olsen, Rangwald S. Ortman, Fred B. Palmer, Willard E. Pask, joseph A. Peck, J. Clair Pence, Forrest K. Perkins, Walter W. Perry, Robert F. Petersen, Fred A. Petrie, Earl C. Pfeiffer, Wilbur H. Phillips, Edwin L. Phillips, James G. Place, Tom M. Planje, Christian W. R oster 105 kenhorn, William J. cz, Edwin C. , Gordon R. t, Edward G. er, ^rank R. e,i irson P. lei J. D. E. -, Arthur H. e, James E. ice, Alan T. >r, Harold D. tney, L. E. ie, Frank F. p, Carl H. rner, John J. des, Fraser B. des, Ralph R. hardson, H. K. hmond, Joseph C. ker, Richard W. Idle, Frank H. herts, John Taggart binson. Richard E. bson, James T. driguez, A. R. gers, Edwin J. Ike, Herbert J.' se, Ralph ss, Donald W. up. Rolland .wland, Davidge H. issell, Howard F. tssell, Ralston, Jr. intomieri, S. Lewis mis, j . B. :hoenmger, Irvin W. .hoeppel, Norman chofield. H. Zane chotts, Walter H. chroeder, Fred W. churecht, H. G. chwalbe, F. G. chwaijzwalder, Karl coff array ,co\ jiger F. ;haru.oW. L. Russel lharp, E. W. haw, L. I. ihaw, Myril C. ihepherd, John F. iherrill. Rolert R. iherwood, Rolert F. ihevlin, Thomas S. himer. J. B. Siegwald, Qyde R. Silverman, Alexander Silverman, William B. Simison, A. L. Simpson, Harold E. Skinner, Kenneth G. Slyh, John A. Smith, C. A. Smith, Hillard A. Smith, Kenneth E. Smith, Leland Smoot, Jack M. Snyder, Ernest B. Solomon, Earl Sommerville, J. L. Sosman, Robert B. Spell, Sidney Spencer-Strong, G. H . Spires, Stephen T. Sproat, Ira E. Stafford. W . L. Steinhoff, Fred L. Stevens, Frank J. Stevens, Robert P. Stewart, John A. Stone. Robert L. Strod, Arvid J. Svec, J. j. Swain, Stephen M. Sweely, B. T. Swentzel, John P. Swco. Benjamin J. Sy ]er, George R. Tailby, Roland V. Tate, Frank E. Teague, Jo M,, Jr. Tefft, Phillip W. Thiemecke, Harry W. Thomas, David W. Thompson, Qyde L. Vor.. 33. No. 10 (1954) Thornton, Paul E. Thurnauer, Hans Toulouse, Julian H. Tredennick, William T. Treischd, C. C. Trostel, L. J. . Tucker, Donald J. Tucker, Harvey C. Tucker, Roland E. Turk, Richard H. Turner, P. P., Jr. Twells, Robert Van Vlack, Lawrence H. Vaughan, T. Carter Vaughan, W. Harry Walton, S. F. Watts. Arthur S. Webster, Charles E. . Weston, Ralph H. W hitaker, Fred A. Whitaker, L. R. White, Harold E. Whittemore, J. W. Whittemore, O. J., Jr. Williams, Walter E. Wiss, J. E. Worcester, W. G. Wright, Edward P. Wright, J. W. Wygant, James F. Young, Stanley H. Young, W. O. Young, Willard G. Zimmer, David C. Zink, George H. Zvanut, Frank J. Associate Member G rade Bevis, Ralph E. Burkhalter, Edward ' Debenham, W. S. Ekholm, L. G. Fuller, Donald H. Galbreath, William W., Jr. Green, John R. Hunting, Everett C. King, Burnham W., Jr. McCann, Sidney W. Mulroy, James P. Schlehr, W. Raymond Sellers, John T. Stolte, Norman H. Tauber. John A. Trabert, Loren A. Vincent, George L. Zwermann, Carl H. Junior Member G rade Abemetby, Lonnie L. Alexander, John M. Allen, Richard L. Ames, R. N. Anderson, Harry L. Asevedo, Marceilo R. V., de Asher, Glen J. ' Ault, Neil N. Baab, Kenneth A. Barnes, Harry H. Barr, Norman E. Beals, Robert J. Beard, Qinton L. Benbenek, Raymond Bender, Bob G. Bergeron, Qifton G. Bissell, Don W., Jr. Blackwood, James M. Blum, Seymour Bolon, David G. Bradford, Virgil E. Bradley, Fennimore N, Brant, David G. Breedlove, James.G. Bristow, Robert H. Brown, John J., Jr. Browne, Thomas C. Buchan, M. A. ' Buckles, Paul E. Burks, Cecil M., Jr. Bush, James W. Busteed, Donald J. Caldwell, William D. Campbell, Cory V. Carl, John E. Carlson, William G. Carnahan, Thomas D. Chapman, Frank E., Jr. Charland. Tel L. Clark, Richard E. Cleverly, Robert B. Cole, Sandford S., Jr. Cooke, David- C. Crookston, James A. Crosby, Donald P. Crowley, Michael S. Curcio, Anthony L. Curran, Robert Daly, Howard J., Jr. Deadwyler, Earnest W. Deignan, Charles J. deProsse, Victor A. de Roux, Juan Ramon Desaix. Herbert A. Deutscher, Jerome S. Dickey, John M-, Jr. Dlugozima, W. R. Donahey, john W. Dora, Joseph C. Dore, James E. Dom, G. Neal Dorsey, John J. Douglas, Edward A. Dungan, Robert H. Edwards, William R. Elston, Keith ' Emricn, Harold W. Evans, William W. Farber, Louis G. Faust, Ernest H., Jr. Fellows, Roger L., Jr. Fillmore, Charles L. Fish, E. Thomas Fitzsimmons. Elmer S. Fonvielle, Frank P., Jr. Ford, George D. Forkner, Henry R. Forry, W. J. Franklin, William S. Fulker, Richard H. Fuller, L. R. Furr, Qegg M. Fuszara, Lester T. Garcia-Leal, Ramon Garlick, Philip L. Garvey, Lawrence P. Gates, Daniel W. Giles, James H., Jr. Gill, James A. Gomall, Henry A. Gough, James A. Griffith, William A. Grove, Robert L. Hackler. W. C. Hagan, M. A. Hagerman, R. Scott Hammer, R. Hannon, Richard C. Harr, W. J. Harrison, William B. Hart, Wade J. Hartford, Thomas J. Hasko, Stephen Hassett, William A. Hauck, Charles A. Hauser, Richard E. Heebner, John C. Hawkins, Robert J. Herko, Edward Hessinger, Philip S. Hitzeman, Roger L. , Holdener, Irwm .K. Holl, Barton S. Holmstrom, Joseph H. Horton, Paul B. Huettig, Fred R. Hynes, Frank J. Immediato, Robert Jacobson, Edwin Jaffe, Bernard Jelinek, James W. Johnson, Alton E. Johnson, George E., Jr. Johnson, James E. Johnson, James R. Kalman, Frank R. Kasten, Vernon L. Katz, Joseph M. Kelly, William J. Kent, William B. Kepka, George M. . Kershner, William G. Kinsman, Bradley Q. Knudsen, Friedrich P. Kyonka, Joseph C. Lachman, Irwin M. LaMaire, Robert V. Laurie, Dominic Lawrence, Walter F., Jr. Leddy, Robert M. Lefort, Henry G., Jr. Lester, Ronald H. Liederbach, William H. Lindquist, Qaude A., Jr. Long, Russell E. Longfritz, Robert K. Lorey, Frederick D. Lowe, Earl C. 1 Ludwig, David W. Lunak, Thomas E. Lytle, Jack A . McAllister, Christopher McClave, James W. McClelland, Roland H. McEvoy, Robert J. McGee, Thomas D. McKeen, Richard D. McKinnis, Charles L. McLaughlin, Joseph K. McWilliams, Robert J. Mac Zura, George Manring, jack C. Marcus, Leon Mattison, William F., Jr. Mayfield, Manville J. Meloy, C. L. Merbler, Wallace Meredith, Neil F. Michelotti, Joseph E. Milliken, John H. Milliken. Joseph E. Moffett, Robert A. Mohanty. Gajendra Nath Mohler, Neal F. Montgomery, Eldwin C. Moody, Willis E. Morena, Alfred Morgan, Robert A. Momin, Bob L. Moss, LeRoy L. Mueller, Edward E. Mueller, James I. Muller, Max Nohle, Richard C. Ogden, William D., Jr. Orzano, Michael J. Ottoson, Axel Owens, Robert K. Packman, Willard D. Palmour, Hayne, III Parker, Harry Parson, James A. Patrick, Robert F. Pearch, Howard C. Roster 107 .A lexander Richard K. - ' Robert W. ' r. Richard C. i( James F. Milton E. \ Benjamin F. f' er, Donald D. Robert F. ode, Gregory V. Norman D. - .Paul E., Jr. - , Richard H. , George W ., Jr. dward M. Hal H. ^ , Richard P. m, Richard R. .,, Melvin F. f;H. Dean -iiPatd F. `William C., Jr. % Robert R, vNorman Keith J. Richard ders, Alfred C. S,' John B. Schlacks, Richard J. Schneider, Robert K. Schultz, James B. Schwartz, Bernard Schwartz, M. A. Scott, Robert M. Seckman, Harry D. Semmelman, John O. Shapiro, Howard Shaw, Clarence F. Sheets, Herbert D. Shelley, C. B. Shook, William B. Shopher, Sterling D. Shonkwiler, Francis P. Shulze, Charles E. Siska, Albert H. Skok, John J. Smalley, Howard F. Soderstrum, William K. Sontz, Arthur^ Soxman, Edwin J . Spangenberg, William C. Spencer, Howard G., I l l Stalter, Thomas L. Stetson, William C. Stettner, Donald H. Stevenson, James K., Jr. Stoddard, Stephen D. Stoen, Roger C. Stoops, Robert F. Stradley, Norman Stroupe, Howard E., Jr. Sullivan, Paul A. ' Sutherland, Frank R. . Tarnacki Walter J. Taylor, Charles H., Jr. Taylor, Howard U. Thiemann, John W. Thompson, William M., Ji Thor, Mumer E. Tibbals, Harvey L. Tinklepaugh, J. R. Toler, Herbert R. Tostevin, Edgar R., Jr. Townsend, William O. Tripp, Harlan P. Trostel, Louis J., Jr. Troy, H. Neal Tse, Shou-cheng Turbett, Paul E. Turner, Robert C. Twells, Robert G. Unum, Robert F. ' Updike, George G. Van Aisten, Roy L. Van Der Beck, Roland R. Van Schoik, Dickson M. Van Wiggeren, Charles G. Venable, Charles R., Jr. Vera, Francisco Veres, Frank Vitolo, Sylvester A. Vukovich, Milan, Jr. Warren, George W aters, Martin R. Watkins, William E. Weiske, Ino G. Weiss, E. Joseph Welch, A. Philip Wheeler, William H. Wherry, Allen P. Williams, Alan B. Williams, Leroy L., Jr. Williams, Robert M. Wilson, Hugh H., Jr. Wilson, Robert C. Wishon, Berhl E. Wood, Russell K. Woodward, Roger Wooley, Seward- E. Zawistowski, Arthur V. Zneimer, Joel E. it through . 0,atchin; m anager alone. KENTUCKY-TENNESSEE a ll GIcmI Have you received your sample of the all-purpose JA C K S O N B A L L C L A Y for: Casting, Jiggering and Pressing? Large Supply and Storage & : Air-Floated Clays Featured . K EN TU CK Y-TEN N ESSEE C L A Y CO M PAN Y Home of Old Mine No. 4 Ball Clay iyfield, Ky. Alliance, O. Paris, Tenn. Insulting vices [Ro s t e r Mora than 5200 people in the ceramic industry look to the Ceramic Bulletin for authoritative informa tion on the latest in ceramie technology. Offer them your consulting services at the time when they're thinking on ceramics. The C eram ic Bulletin 2525 N. High St. Columbus 2, Ohio $10 per single insertion $48 for 12 insertions in one calender year C e r a m ic B ulletin Jol America The C engineer Presiden of Comr fare, the director! Science! Althoi tinued tenrolhne in minh physics, prospect Jorgei Ohio, a< director M r. S Royal ' 1948, he a t Alfret A fter I Copenhi superint trical ce newly-fc Vol. 3c