Document gazqO43p0Dxm2M2XLL1NZZRbQ

( The jk- American Ceramic iciety s- February 15,1993 I hereby certify that the attached copies of American Ceramic Society Bulletin, Volume 33,1954, are true and accurate copies, which are maintained in the normal course of business at the American Ceramic Society, 735 Ceramic Place, Westerville, Ohio 43081. Christine Schnitzer Product Manager Ceramic Information Center 735 Ceramic Place Westerville, Ohio 43081-8720 614*890*4700 TWX: 7101109409 PLAINTIFFS EXHIBIT I1 PLAINTIFF'S EXHIBIT Membership Roster The American Ceramic Society This Roster'of members is published only for the use of members of The American Ceramic Society. Listings are in alphabetical order. A separate Roster for the National Institute of Ceramic Engineers, showing grades of membership, is on pages R-105 to R-108 of this issue. New members received too late to be included are listed in the Addenda on page R-103. These listings give the member's preferred mailing address. Where this is not his business address his company connection is shown jfl parentheses. Divisions and other Society affiliations are indicated in parentheses following each name, in accordance with the code given below. The absence of any such designation indicates that the member is from outside the United States or a student member, neither of which has Division affiliation. B--Basic Science Division D--Design Division E--Enamel Division G--Glass Division M--Materials and Equipment Division R--Refractories Division S--Structural Clay Products Division W--White Wares Division X--No Division affiliation F--Fellow of The American Ceramic Society J--Junior Member I--National Institute of Ceramic Engineers A ABBEY, R. G. (G) General Refractories Co. 1520 Locust St., Philadelphia, Pa. ABBOTT, Gordon H. Rock Enamel (Pty.) Ltd., Box 77 Langlaagte, TVL Union of South Africa ABBOTT, Keith E. Box Jt3, 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/Main, 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. (WI) 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, Ernst (W) 13-B-3 Redfield Village, Metuchen, N. J. (General Ceramics Corp.) ALBERT, Joseph (W) Albert Pottery, Chamblee, Ga. ALBERTALLI, -Stephen L. (GJ) Coming Glass Works, Harrodsburg, Ky. ALBERY, D. F. (SFI) 1433 23rd St. N. W., Canton 9, Ohio (Stark Ceramics, Inc.) ALBRECHT, Ernst Keramische Fachschule Hoehr-Grenzhausen/b Koblenz, Germany ALCOCK, Ronald H. "Ferrum" Espana 402--600, Avellaneda Buenos Aires, Argentina (Ferrum, L. A. de Ceramica y Metalurgia) ALDEN, Charles E. (G) 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. (MI) 2376 Hamilton Ave. North Bellmore, N. Y. (Swindell-Dressler Corp.) ALEXANDER, R. B. (W) National Tile & Mfg.. Co. 1200 E. 26th St., Anderson, Ind. ALGEMENE VERENIGING VOOR De NEDERLANDSE AARDEWERK EN GLAS INDUSTRIE (H. G. P. Kolfschoten) 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. (RI) E. J. Lavino & Co., Box 365 Newark, Calif. ALLEN, Robert G. (R) Robert G. Allen Co., Box 110 Mechanicville, N. Y. ALLEN, Walter C. (R) U. S. Steel Corp. Research Lab. Lincoln Highway, Kearny, N. J. ALLEN, Warren W., Jr. (S) Hydraulic-Press Brick Co. South Park, Ohio ALLIANCE WARE, LTD. (R. E. Strain) Box 550, Vancouver, B. C., Canada ALLIEGRO, Richard A. (Rj) 33-05 150th St., Flushing 54, N. Y. (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. (SI) 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. Roster 1 j^BERG, Ctexics..JBL.~iSEi) Alfre4 Univ. Research Lab., R.R. 1 Box 212B, Kingston, N. Y. MBROSE, Mary S. (D) S82 Neff Rd., Grosse Pointe 30, Mich. (La Driere Studio) MBROSONE, Joseph P. (G) "tp Reynolds Ave., Corning, N. Y. kraing Glass Works) aCAN CLAY FORMING CO. (Dan McPhail) Tyler, Texas iMERICAN COLLOID CO. (Paul Bechtner) Merchandise Mart Plaza, Rm. 813 Chicago 54, 111. VMERICAN ENCAUSTIC TILING CO., INC. (Robert A. Williams, Jr.) Ninth St. & Kenilworth Ave. Lansdale, Pa. AMERICAN GAS ASSOCIATION (C. G. Segeler) 420 Lexington Ave. New York 17, Ni.'Y. AMERICAN LAVA CORP. (John Kruesi) Chattanooga S, Tenn. AMERICAN NEPHELINE LTD. (H. R. Deeth) Lakefield, Ont., Canada AMERICAN OPTICAL CO. (A. H. Bennett) Research Center, Southbridge, Mass. AMERICAN PORCELAIN ENAMEL CO. (Robert Long) 1285 Keating Ave. Muskegon 36, Mich: AMERICAN POTASH & CHEMICAL 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, Ky. AMERICAN SMELTING & REFINING CO. (L. G. Matthews) 120 Broadway, New York 5, N. Y. AMERICAN WINDOW GLASS CO. jA. S. Crandon) 9 West Park Way Pittsburgh 12, Pa. AMES. R. N. (RI) 10718 S. Morgan St., Chicago 43, 111. (U. S. Steel Corp.) AMES, Robert G. (W) 69 Jefferson Ave., Cresskill, N. J. (B, G. Corp.) AMIN, M. G. 2154 Hawthorne Ave., Toledo 6, Ohio AMIN. 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.) AMRHEIN, Alan G. Box 1659 Georgia Institute of Technology Atlanta, Ga. ANCHOR HOCKING GLASS CORP. (William V. Fisher) Lancaster, Ohio ANCIZAR-SORDO, Jorge Laboratorio Quimico Nacional Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia ANDERSON, 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^derson, Richard c. (Rj) )'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., Ill Broadway New York 6, N. Y. ANDREASEN, A. H. M. (Honorary) Oster Voldgade 10 Copenhagen K., Denmark (Royal Danish Technical Universitv) ANDREWS, Andrew I. (EFI) 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 Espana 402/600, Avellaneda, Buenos Aires, Argentina (Ferrum S. A. De Ceramica & 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 (Cristaleria Peldar S'. A.) ARCHBOLD, Walter H,, Jr. (MI) 125 Smallwood Dr., Snyder 21, N. Y. (Electro Refractories & Abrasives Corp.) ARCHIBALD, W. A. British Iron & Steel Research Assn. 140 Battersea Park Rd. London, S. W. II, 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. (RI) 27 Morgan Ave., Washington, Pa. (Findlay Clay Products Co.) ARNOLD, Howard C. (EFI) 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. (WI) Red Wing Potteries, Inc. Red Wing, Minn. ARRANCE, Frank C. (WI) Coors Porcelain Co., Golden, Colo. ARRANDALE, Roy S. (G) Thatcher Glass Mfg. Co., Inc. 1901 Grand Central Ave., Elmira, N. Y. 2 Roster 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. ARWINE, 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. (RI) 2568 Illinois, South Gate, Calif. (Pryor-Giggey Co.) ASHMORE, Russell C., Jr. 25 New Brick Apts., Clemson, N. C ASHWORTH, 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 ATWELL, 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. (RFI) 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. (WI) 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. (El) 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. J- BABCOCK, Clarence L. (GF) 1718 Potomac, Toledo 7, Ohio (Owens-Illinois Glass Co.) Ceramic Bulletin babco 618 (Pi BABCO Fre Fre babco (A. 161 BACH, Tut 545 BACH, 771. (AlBACHE Roc' (W) BACHM Apt. (Ar BACHM 151 (Pit 'BACHM R.R (Ca, BACKU .::45i BACON 315:(Ovi BACON 130 (Co, BACON. Rese Wya Wya badge: Libb 1703 BAER, < R. C Hed Phil: BAGBY. 15 / EAGLE'S 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 (Pitt BAKER, 15 G (Gen- BAKER 113 ; BAKER, 1025 (Ohi< BAKER, 115 5 (Nor baker, 158 I (Con Vol. 33, BABCOCK, M. G. (G) 6X8'Kenilworth Dr., Pittsburgh 34, Pa. ' (Pittsburgh Plate Glass Co.) BABCOCK, Paul R. (WI) Frenchtown Porcelain Co. Frenchtown, N. J. BABCOCK & WILCOX 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. (MJ) 7712 Fontana, Prairie Village 15, Kans. (Aluminum Co. of America) BACHER, Holland R. (D) Rock Tavern, N. Y. (White Cloud Farms,.Inc.) BACHMAN, Charles D. (G) Apt. 13-A, Arnold Dr., 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, Mrs,-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 Works) BACON, Leslie R. (G) Research and Development Division Wyandotte Chemicals Corp. Wyandotte, Mich. BADGER, Alfred E. (GF) 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, (BJ) 15 Allerton Rd., Shiloh, Dayton, Ohio BAGLEY, Norman H. (W) 11 Hillcrest Rd., Caldwell, N. J. (Bell Telephone Laboratories, Inc.) BAILEY, Floyd (El) 840 S. Sixth Ave., Kankakee, 111. - (A. O. Smith Corp.) BAILEY, James (GF) 95 Steele Rd., West Hartford 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. (GFI) Technical Products Division Coming Glass Works, Coming, N. Y. BAKER, Arvid H. (G) 89 Church St., Port Allegany, Pa. (Pittsburgh Coming Corp.) BAKER, Burton E. (R) 15 Gwynlake Dr., Baltimore 7, Md. (General Refractories Co.) BAKER & CO., INC. (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. (WI) Flamingo Tile Corp., Box 112 Lake Wales, Fla. BALDRY, Stanley F. T. E. R. G. Industrial Corp., Ltd. Luton Rd., Dunstable, Beds London, England BALDWIN, W. J. (W) Titanium Alloy Mfg. Div., National Lead Co., Box C Bridge Station, Niagara Falls, N. Y. BALINA, Marcelo O. CA.P.EA., 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 BROTHERS 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. (WF) 345 E. Highland Dr., Zanesville, Ohio BARBRE, Norris H. (S) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa.; BARIUM REDUCTION CORP. (K. O. Priddy) South Charleston 3, W. Va. BARKER, Harry L. (W) Salem China Co., Salem, Ohio BARKER, Rolland C. (G) Glass Mfg. Dept., Lamp Div. General Electric Co., Nela Park Cleveland 12, Ohio BARLETT, Helen B. (BF) A C Spark Plug Div., General Motors Corp., Flint 2, Mich. BARNES, 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 Siderurgie) BARR, Harold N. (B) Vitro Corp. of America 200 Pleasant Valley Way West Orange, N. J. BARR, Harry (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Box 1843, Trenton 7, N. J. BARR, Norman E. (BI) Eagle Picher Co., Box 290 Research Dept., Joplin, Mo. BARR, Robert A. (E) 867- River Rd., Fair Haven, N. J. (Carborundum Co.) BARR, Seymour J. (S) Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. BARRETT, Harvey N., Jr. (R) 2233 St. James Parkway Cleveland Heights, Ohio (Basic Refractories, Inc.) BARRETT, Maurice (Life) 8 Oxcliffe Rd. Morecambe and Heysham, England BARRETT, Wayne E. (S) : R.R. 1, West Des Moines, la. (Central Engineering & Investment Co;) . . BARRINGER, Lawrence E. (WFI) 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 Dr., 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) Eljer 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. Roster 3 M, Frederick J., Jr. (B) a. I. dii Pjont de Nemours & Co., Inc. Experimental Station, Chemical Dept. iVilmington, Del. MANN, Henry N,, Jr. (BFI) 1275 Wyoming Ave. Mr-ara Falls, N. Y. ( jrundum Co.) K .!LeonN.(R) 240 Rockingham Rd., Pittsburgh 38, Pa. (Mellon Institute) JMLER, Karl (G) Pittsburgh Corning Corp., Sedalia, Mo. JSCH A LOMB OPTICAL CO. (Murray 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. (WI) 109 Ceramics Bldg. University of Illinois, Urbana, 111. AM, James R. (WFI) Ludwig Rd., New Castle, Pa. (Ceramic Engineering Service) ZARD, Clinton L. (WI) 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 IEAUDOIN, Arnland J. (EJ) 3410 Archwood Ave., Cleveland 9, Ohio (Ferro Corp.) 1EAVER, 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. (MI) 6330 Moraine Ave., Hammond, Ind. (Binks Mfg. Co.) BECK, Warren R. (B) Minnesota Mining fit. 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. (WJ) '2 N. Marshall St., Lancaster, Pa. (Radio Corp. of America) BECKER, Martin G. (S) Brookhaven Pressed Brick fit Mfg. Co. Box 542, Brookhaven, Miss. I ^ Roster BECKER, Walter D. (S) Brookhaven Pressed Brick fit Mfg. Co. Box 542, Brookhaven, Miss. BEECHER, Milton F. (RFI) 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 fit Heroy) BEETON, Earl E. (GI) 1604 Lincoln St., Bethlehem, Pa. (Western 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, Bartolome Darnis Director Gerente de ME.R.S.A. Lugones (Oviedo), Spain BELOW, Henry (W) Pennsbury Pottery, Morrisville, Pa. BENBENEK, Raymond (SI) 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 BENJAMIN 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. BENNETT, A. Lee (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BENNETT, Dwight G. (EFI) 204 Ceramics Bldg. University of Illinois, Urbana, 111. BENNETT, Francis H. (R) Pratt fit Whitney Aircraft, MDL D-9sg East Hartford 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. (RI) 6552 N. Oldham Lane San Gabriel, Calif. (Gladding, McBean St Cp.) BENNETT, Walter 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. (El) 12027 W. Potter Rd. Milwaukee 13, Wise. (A. O. Smith Corp.) BERG-IVERSEN, Wiggo A/S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (El) 3621 W. Howard St., Skokie,. 111. (Ohmite Mfg. Co.) BERNARDINI, Guy F. (W) Box 70-A, R.R. 1, Latrobe, Pa. (Stupakoff Ceramic fit' 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 fit Media St., Philadelphia 31, Pa. BETZ, George C: (WFI) Metal & Thermit Corp., 100 E. 42nd St. New York 17, N. Y. BETZ, Wilbert A. (W) U. S. Potters Assn. 104 E. Fourth St., East Liverpool, Ohio BEVIS, Ralph E. (El) International Division, Ferro Corp. 4150 E. S6th St., Cleveland 5, Ohio BEZBORODKO, David '(G) Mechanical Mirror Works, 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.) Ceramic Bulletin I 267 v\ (Wrig billian, Owens Generj 1700 J BILLINGS Glass 3601 : Los A BIRCH, R 1800 I Pittsbi (Harb BISHOP, Kimbli Toledo bishop, Guign: Colum bishop, Owens Ander: BISHOP, Alumii 3300 I BISSELL, 850 SI (Ipsen BLACK, I Kimbh 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. Society "Savoi Veniss BLAKE, / 78 Par (Inten BLAKE, E Box 2: BLAKE, V Mackli BLANCH/ A. O. Milwai BLAU, He Federa Colum! BLENKO, 1412 1 (Blenk BLESSINf 1720 I Richmi (Lade BLISS, L. Foote Philad. BLISS, Ro Deiste: 35 E. VOL. 33, L D-958 | i Mich. | 111. . too Co. 10 Pa. . Pa. nd St. Ohio rp. io f BIELSTE1N, Hans O. (R) 267 Wilmington Ave., Dayton 10, Ohio (Wright-Patterson A.F.B.) BJLLIAN, Carroll J. (G) Owens-Illinois Glass Co. General Research Div. 1700 N. Westwood Ave., Toledo 1, Ohio glLLINGS, David D. (G) Glass Containers, Inc. 3601 Santa Fe Ave. Los Angeles 11, Calif. BIRCH, Raymond E. (RFI) 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, Laveme R. (R) Aluminum Co. of America 3300l Missouri 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 (MI) 204 N' State St., Westerville, Ohio (Ram, Inc.) BLACKWOOD, James M. (RI) 59 W. Royal Forest Blvd. Columbus, Ohio (Carborundum Co.) BLAES, Henry M,, II (RJ) 339 N. Hoover Ave.,' Whittier, Calif. (North American Aviation) . . BLAHA, Emil (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. (SF) 2131 S. Center St., Terre Haute, Ind. (Manufacturers Equipment Co.) BLAISON, Pierre Societe Des Electrodes Et Refractaires "Savoie," 43, Rue de l'lndustrie Venissieux (Rhone), France BLAKE, A. E. (R) 78 Park Ave., West Caldwell, N. J. (International Engineering, Inc.) BLAKE, Edwin M. (D) Box 210, Mount Kisco, N. Y. BLAKE, William V. (RI) 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 (RI) 1720 Boneta Ave. Richmond Heights 17, Mo. (Laclede-Christy Co.) BLISS, L. G. (G) Foote Mineral 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 (WI) Golding-Keene Co., Keene, N. H. BLUNT, Royden A. (GF; 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. (XF) Engineering Experiment Station Ohio State University Columbus 10, Ohio BOLLINGER, Robert H. (MI) Georgia Kaolin Co., 433 N. Broad St. Elizabeth 3, N. J. BOLON, David G. (RI) 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 (EJ) 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 18,1 BOVEE, Benedict A. (M) 1837 'Winter 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, Smith. & 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, Oh: (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 Roster BOYD. 'Frank H'. (M) ' S. G: Frantz Co., Inc. Box 1138, Trenton, N. J. BOYD, John E. (MI) Box 2414, Greensboro, N. C. (Carolina Pyrophyllite Co.) BOYD, Robert' C. (EFI) 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. (WI) 906 E. Deleware, Urbana, 111. (University of Illinois) BRADLEY, R. S. (RFI) 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 Art Clay Co.) BRADY, T. E. (R) Surface Comhustion Corp. 2375 Dorr St., Toledo 1, Ohio BRAIN, Douglas G. (W) 1960 Jane St., Toronto 15, Ont., Canada (Standard Sanitary & Dominion Radiator, Ltd.) BRAMLETT, William P., Jr. (GI) Cumberland Rd., R.R. 2, Millville, N. J. (Armstrong Cork Co.) BRANDT, Kristian H. (B) 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. (RFI) . Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BRANT, David G. (WI) Universal-Rundle Corp., Box 300 Redlands, Calif. BRASHARES, C. A. (R) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. BRASSFIELD, Henry C. (B) R.R. 1, Stevens Rd., Foster, Ohio (General Electric Co.) BRAUCKMAN, Alvin J. 3 Kern Ramble, Austin, Texas BRAY, 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 Brasileira de Ceramica BREEDLOVE, James G. (WI) 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.) BREITWIESER, 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 Theodau 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. (WI) 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 Rosier 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. (WFI) 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. Ceramic Bulletin gRYANT, Eugene E. (EFI) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio BRYCfc, Homer L. (X) Henderson Clay Products, Box 870 Henderson, Texas BUCHAN, M. A. (RX) 325 South St., Benton, Ark. (A. P. Green Fire Brick Co.) RUCK GLASS CO. (Royden A. Blunt) Fort Ave. -& Lawrence St. Baltimore 30; Md. RUCK, 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. (RFI) 4458 Rosewood PL, Riverside, Calif. (Hancock Brick Co.) BURCHFIELD, Paul E. (M) Wyandotte Chemicals Corp. 1609 Biddle Ave., Wyandotte, Mich. BURDICK, Milton D. (WFI) 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 t/ 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. (RI) 8 Janet Circle, Shrewsbury, Mass. (Bay State Abrasive Products Co.) BUTCHER, L. H., CO. (R. W. Bendheim) 3628 E. Olympic Blvd. Los Angeles 23, Calif. BUTCHER, William T. "Woodgarth,". 3 Stamford Brook Ave. London, W. 6, England (Goodlass Wall & Lead Industries, Ltd.) BUTKOVICH, Edward M. (R) 9000 Buffalo Ave., Chicago 17, 111. (Armour Research Foundation) BUTLER, 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) 1520 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. (WI) 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. (El) 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. (RFT) 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. (WFI) 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 .^POS, 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.) - rANNING, 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. (RI) 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. (MI) B. F. Drakenfeld & Co.. Inc. Box 519. Washington. Pa. CARNES, Kenneth C. (G). Toledo Engineering Co., Inc. 3001 Sylvania Ave., Toledo 13, Ohio CARNES, Samuel J. (D) Camark Pottery Co., Camden, Ark. CARO, Robert (W) Hedi Schoop Art Creations, Box 384 North Hollywood, Calif. CAROTHERS, Harry S. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio CAROTHERS. R. B. (MF) H, C. Spinks Clay Co., Inc. Box 829, Paris, Tenn. CAROTHERS. RichardB., Jr.JM) 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) 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. (WI) 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. (WI) 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. (El) 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 (WF) 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 CHALAM, C. -Venkata (J) Sodepore--Glass Works, Ltd. Bhadaninagar T.P.O. 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. (Harrop 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 CHAMPION SPARK PLUG CO., CERAMIC DIV. (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. (El) 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) Air Force Project, Box 722 Alfred, N. Y. - CHARLTON, Alex E. (W) Photoceramics, Inc. 1822 Western Ave., Cincinnati 14, Ohio CHARMAN, Walter 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 Park Ave., Elmhurst, 111. CHASE. Harry K. (R) 4040 Lakeshore Ave., Oakland, Calif. (Western 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. (RI 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) 3602 Bowers Ave., Apt. A Baltimore 7, Md. (Pemco Corp.) Roster 9 - *. v- Bell Minerals Co., West Paris, Me. rtflNG, Tung Rey 93 Chatham Rd., Kowloon, Hong Kong UjjOCHETTI, Vincent (G) . 32 Oak Square, South Attleboro, Mass. (Owens-Coming Fiberglas Corp.) cH1SHOLM, BOYD & WHITE CO. (Robert A. Ebersole) 610 W. S7th St. Chicago 21, 111. CHIU, Hung-Wen (G) 204 Hudson Ave., Newark, Ohio (Holophane Co., Inc.) cfIORMANN, O. I. (G) 195.Gregory Hill Rd., Rochester, N. Y. (Pfaudler Co.) rHQTHIA, 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) 25 Eggert Ave., Metuchen, N. J. (Richmond Radiator Co.) CHRISTMAN, C. E. (E) Federal Enameling & Stamping Co. Pittsburgh, Pa. CHRISTMAN, H: M. (RI) 1023 Roosevelt, N. E., Massillon, Ohio (Massillon Refractories Co.) CHRISTOPHER, A. B. (S) Chambers Bros. Co., 52 & Media Philadelphia 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 DE 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. (SFI) 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. (XI) 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. (MI) Sparta Ceramic Co. East Sparta, Ohio 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. (SI) 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. (SI) American Vitrified Products Co. Box 364, Sta. A., East Liverpool, Ohio CLEWS, Francis H. British Ceramic Research Assn. Queens Rd., Penkhull 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 Brick Co., Danville, 111. CLINE, Robert W. (WI) 377 Main St., East Aurora, N. Y. (Onondaga Pottery Co.) CLINGAN, J. R. T. (R) Niles Fire Brick Co., 165 E. Park Ave., Niles, Ohio CLIPPER DIAMOND TOOL 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. (EFI) 1024 Boulevard, Westfield,- N. J. (Metal & Thermit Corp.) COFFER, L. Wallace (R) Extractive Metallurgy Division Battelle Memorial Institute 505 King Ave., Columbus l.Ohio 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, Mineola, N. Y. COHEN, Bernard (G) 204 Fall St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) COHEN, Joseph (MJ) 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. (BFI) Titanium Division, National Lead Co. Research Dept., Box 58 South Amboy, N. J. COLE, Sandford S., Jr. (RJI) 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 Henrietta, Okla. COLLINS, Paul F. (WI) 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. (MI) 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. Seneca Ave., Alliance, Ohio (Royal China Co.) COLUMBIA FIRE 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. (WFI) Foote Mineral Co., Berwyn, Pa. COMPAGNUCCI, Julius P. (W) Bay Ridge Specialty Co., Inc. Trenton 6, N. J. COMPANHIA PAULISTA DE MINERACAO (Eduardo C. Simonsen) Rua Boa Vista 84-7 Andar Sao Paulo, Brazil Vol. 33, No. 10 (1954) Roster 11 nN'ARD, John BC'J' ,0q jiawthorne Lane, Mansfield, Ohio rRichland Shale Brick Co.) .^00N, Edwarij U. (G) CU`$ Crestwood Rd., Corning, N. Y. (Corning Glass Works) _n'CE, Carroll (G) Lu" j 3S7 Virginia Ave., Columbus 12, Ohio <E, I.'du Pont de Nemours & Co.) )[,' 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, Calif.' 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. (WI) 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. (EF) 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. (EFI) 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. (WI) 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, Walter W. (M) Dow 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. Parr 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. (WI) 5333 Humboldt Ave., S. Minneapolis 19, Minn. (Lithium Corp. of America, Inc.) CORHART REFRACTORIES 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. (RFI) ' 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. (EJ) 743 S. Osborn Ave., Kankakee, 111. (A. O. Smith Corp.) COURTER, R. F. (M) Globar Div., Carborundum Co. Niagara Falls, N, Y. COURTNEY, Scott J. (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 (DF) 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, No. 10 (1954) CUA, Jomi c.. (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. (WFI) 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. (El) 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. (WFI) 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. (RI) 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 DEL URUGUAY (Francisco J. Gercar) Comercio 1491 Montevideo, Uruguay CROCKETT, William E. (X) 1215 N. Arlington Ave. Indianapolis, Ind. (Sales Engineer) Roster 13 .rONIN CHINA CO. iniatrva, Ohio1 . /-cONIN, Leo' J- (R) 56 MacArthur Rd., Natick, Mass. (Raytheon Mfg. Co.) rsONINGER, George J. (M) t. J. Wahl, Inc., Brocton, N. Y. NK, Arthur H. (M) " Rosiclare Lead & Fluorspar Mining Co. Box 49, Rosiclare, 111. cRONN, Eduard u Steingutfabrik Schwarzwald, G.M.B.H. Hornherg (Schwarzwaldbahn), Germany fR00K, Charles Edmund (M) Los Angeles Chemical Co. I960 Santa Fe Ave. Los Angeles 21, Calif. CROOKSTON, James A. (RI) 28 Alton Dr., Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) cROOKSVILLE CHINA CO. - (Harry J. Bennett)-Crooksville, Ohio CrOOM, Henry C. 1112 S. Tarboro St., Wilson, N. C. CROOM, Milton M. (X) 2011/s Groveland'Ave., Raleigh, N. C. (N. C. Dept, of Conservation & Development) CROSBY, Donald P. (RI) 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) Metropolitan Brick, Inc. 1017'Renkert Bldg., Canton 2, Ohio , CROSSLEY MACHINE CO. (William J. Harris) Trenton 9, N. J. CROWE, Samuel H., Jr. (G) 416 Mississippi Ave., Crystal City, Mo. ^/Pittsburgh Plate Glass Co.) jWLEY, Henry.L. (B) 1 Central Ave., West Orange, N. J. (Henry L. Crowley & Co., Inc.) CROWLEY, Michael S. (RJI) 244 Allegheny, Park Forest, 111. (Standard Oil Co.--Indiana) 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 Hat 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. (WI) 21 Church St., Bound Brook, N. J. (Automatic Mfg. Corp.) CURRAN, EDWARD ENGINEERING, LTD. (D. Ryan) 'Cardiff, Wales , IRAN, Martin T. Box 562, Alfred, N. Y. CURRAN, Robert (RI) 75-08 35th Ave. Jackson Heights 72, N. Y. (Plibnco Co.) V. 33, No. 10 (1954) CURRY, William J., Jr. (R) Hiram Swank's Sons, Box 630 Johnstown, Pa. CURTIS, Carl E. (RI) 404 W. Vanderbilt Dr. Oak Ridge, Tenn. (Carbide & Carbon Chemical Corp.) CURTIS, William H., Jr. 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. Barta) 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. (MFI) 5628 Greenbush, Van Nuys, Calif. (H. C. Spinks Clay Co.) DALE, Alfred J. Johnson Bros. (Hanley) Ltd. Stoke-on-Trent, England DALEY, Frank E. (M) Godfrey L. Cabot, Inc. 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. (Dorr 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. (WI) Park Lake Ave., Titusville, N. J. (American Radiator & Standard Sanitary Corp.) DAVIES, Edward G. (G) Dominion Glass Co., Ltd. Wallaceburg, Ont., Canada DAVIES, Thomas H. (G) Mellon Institute, 4400 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 FIRE BRICK CO. Oak Hill, Ohio DAVIS, Harry E. (WFI) Universal Potteries, Inc. Cambridge, Ohio DAVIS, H. M. (E) Pennsylvania State University Mineral Industries Bldg. 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. (WI) 835 Forest Ave., Zanesville, Ohio . DAY, Ralph K. (GFI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio DAY, Robert B. (SI) 516 S. Walnut St., Brazil, Ind. (Arketex Ceramic Corp.) DEADWYLER, Earnest W. (I) 61 Winthrop Rd., Columbus 14, Ohio DEAR, Paul S. (BFI) Virginia Polytechnic Institute Box 205, Blacksburg. Va. DE BECK. Hubert O. (M) Box 264, Johnson City, Tenn. (Consulting Engineer) DEBENHAM, W. S. (El) 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. (SI) 120 N. Everett Ave., Columbus, Ohio (Claycraft Co.) Roster 15 flUVHOY( David L. (R) ^*g610 Bollier Ave., Niagara Falls, N. Y. (Harper Electric Furnace Corp.) I lEEUW, Peter * Central Post Office Box 323 ; Tokyo, Japan (Carborundum Co.) ngLGADO, Cyril B. (G). v The Glass Industry 55 W. 42nd St., New York 36, N. Y. n-LONG, Hermon W., Ill (G) 0 Main St., Dansville, N. Y. (Eastman Kodak Co.) nEtfAISON, R. J. (R) v Quigley Co., Inc., 527 Fifth Ave. New York 17, N. Y. P^ARIA, Vincent C. (G) - 1468 Wms. Bridge Rd., Bronx 61, N. Y. " (Sylvania Electric Products, Inc.) ipEMlNG, Wilbur, S., Jr. (M) C. Tennant, Sons & Co. of New York l 100 Park Ave., New York 17, N. Y. pEMONGEOT, Henri (D) < Interkiln Overseas Corp. Box 1348, Grand Central New York 17, N. Y. pEMUTH GLASS WORKS, INC. - . (Willard B. Midgette) Box 629 J. Parkersburg, W. Va. pENEEN, W. F. (M) North Carolina Feldspar Corp. Erwin, Tenn. 'pENERO, John V. (RJ) W 215 Prospect St., Apt. 3 Alliance, Ohio (Babcock & Wilcox Research Center) pENISON ENGINEERING CO., THE (W. C. Denison) 1160 Dublin Rd. Columbus 16, Ohio - PENISON, George W. (SF) Ohio Clay Co., Box 1776 . Cleveland 5, Ohio DENISON, Norman E. (S) Ohio Clay Co., Box 1776 Cleveland 5, Ohio DENISON, W. C. (M) ; . The Denison Engineering Co. 1160 Dublin Rd., Columbus 16, Ohio DEN KONGELIGE PORCELAINSr 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. (El) 17476 Shaw Ave., Lakewood 7, Ohio (Ferro Corp.) DeREMER, John W. (RI) 501 Arizona Dr., New Kensington, Pa. (American Window Glass Co.) DERGE, Gerhard (X) Carnegie Institute of Technology Pittsburgh 13, Pa. DERINGER, W. A. (El) A. O. Smith Corp. 3533 N. 27th St., Milwaukee 1, Wise. &ROUX, Juan Ramon (JI) Box 1486, Panama, Rep. of Panama (Clay Products Co., Inc.) DESAIX, Herbert A. (RI) 122 Jefferson Park Dr. Huntington, W. Va. (Barboursville Clay Mfg. Co.) DESENNE, Claude M. (SJ) . 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 Ceramica 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. (Coming Glass Works) DEVOL, Lee (G) 2524 Shroyer Rd., Dayton 9, Ohio (Wright Air" Development Center) DEWEY, B. F, (W) 42 Summit St., LeRoy, N. Y. (Lapp Insulator Co.) DEXHEIMER, E. C. (E) 917 Country Club Drive St. Louis 21, Mo. DIAMOND 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. (Harry W. Dietert Co.) DIETRICH, Waldemar F. (R) 3137 N Street, N. W. Washington 7, D. C. (U. S. Bureau of Mines) DIETTERLE, Edwin W. (WI) 3834 Monteith Dr. Los Angeles 43, Calif. (Ferro Corp.) DIETZEL, Adolf Max-Planck-Institut fur Silikatforschung, Wurzburg, Germany Neunerplatz 2 DILLARD, William F,, Jr. (S) 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.) VL. 33* No. 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) DINGWALL, Andrew G. F. (GJ) 588 Grove St., Upper Montclair, N. J. (RCA 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 West St., Pelham Manor 65, N. Y. DITHRIDGE, Edward H. (E) 60 Bedford St.. Port Hope, Ont., Canada (Port Hope Sanitary Mfg. .Co., Ltd.) DIXON, Anna Lane (D) 815 N. Fourth St., Burlington, Iowa DIXON, Gene (R) Kyanite Mining Corp., Cullen, Va. DIXON, JOSEPH, CRUCIBLE CO. (W. R. Wyckoff) 167 Wayne St. Jersey City 3, N. J. DLUGOZIMA, W. R. (WI) R. R. 19, South View'Dr. East Liverpool, Ohio (Patterson Foundry & Machine Co.) DODD, Charles M. (RFI) 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.) DOMINION MINERALS DIV., RIVERTON LIME & STONE CO., INC. (V. V. Kelsey) Piney River, Va. DONAHEY, John W. (GI) Waynesborough Rd., Paoli, Pa. (Foote Mineral Co.) DONEN, I. Consolidated Glass Works 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. (El) 3246 West 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, Arthur L. 249 S. Pugh St., State College, Pa. Roster 17 flrtRN, Alvah J. (G) ' 141 Wall St., Coming, N. Y. (Coming Glass Works) pORN, G. Neal (Si) . v 1015 Kemp Ave., Ironton, Ohio (Carlyle Tile Co.O oORNBACH, W. E. (R) v 1720 Miguel Ave., Coronado 18, Calif. 1 o0RNEY, Andrew W. (G) ' V 205 Bowers Dr., Horseheads, N. Y. (Coming 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. (WJI) , 385 Good Ave., Indianapolis 19, Ind. (P. R. Mallory & Co., Inc.) pOTY, Henry S. (R) Commercialores Inc. 39 Cortlandt St., New Yofk 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..(MF) 1625 Barr Ave., Pittsburgh 5, Pa. (O. Hommel Co.) pOUGLAS, Edward A. (El) 50 Margin St.' > West Newton 65, Mass. r ex- (Bettinger Corp.) pOUGLAS, JOHN. CO. (A. J. Raible) Jeep. Cincinnati 16, Ohio POUGLAS, R. W. acity tand- Society of Glass Technology "Thornton," Hallam Gate Rd. Sheffield 10, England DOUGLAS, Richmond * not ished utchU8" icai Douglas Firebrick Co., Ltd. Dairy, Ayrshire, Scotland DOWLING, Robert F. (G) Bausch & Lomb Optical Co. Glassmaking Dept., 635 St. Paul St. Rochester, N. Y. Juq. into* cting eady 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) Qtcr*rc8s. Alfred University, Alfred, N. Y. CRAKE, Mary (X) Evans Case Co., 21 East St. an at North Attleboro, Mass. DRAKENFELD, B. F. & CO. ction (Scott J. Courtney) 45--47 Park PI. New York 7, N. Y. DRAKER, Harry C. (X) 24230 Maplewood Dr., Euclid 17, Ohio n use (Harshaw Chemical Co.) in onto, Vrica one*, *woy CMta# 'la# end iX0f brick Wtc. CRAMMENS GLASSVERK (Ragnar Tanberg) Drammen, Norway DRAPER, Perry E. (W) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio DRESSLER, Philip (MFI) Swindell-Dressler Corp., Box 1888 Pittsburgh 30, Pa. DREYLING, Lewis J. (R) 229 Milltown Rd., Milltown, N. J. (Quigley Co., Inc.) DROUHARD, W. J. (WI) Mansfield Sanitary Pottery, Inc. Perrysville, Ohio &RUCKER, Julius Farbenfabriken Bayer I i Aktiengesellschaft ! Krefeld-Uerdingen, (22a) Deutschland DRUMMOND, W. W. (G) 5504 Midmoor, Madison 4, Wise. (Bjorksten Research Laboratories) 33, N. 10 (1954) DuBOIS, H. B. (MFI) 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. DUFF, 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 (Dugan 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. (SF) 150 E. Frambes Ave., Columbus 1, Ohio (Kelley Island Lime & Transport Co.) DUNGAN, Robert (BJI) 19 O'Connor Ave., Hornell, 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 PONT, E. I,, de NEMOURS ft CO., INC. (John M. Olsen) Electrochemicals Dept. Wilmington 98, Del. DURHAM, Carl T. (B) . 28 Gabl 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 (MFI) 3202 McShane Way, Baltimore 22, Md. (Pemco Corp.) EAGLE-PICHER 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. (RFI) 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. (WI) 11926 S. Saginaw Rd. Grand ` Blanc, Mich. (AC Spark Plug Div., General Motors Corp.) Rostbr 19 V.i ) l l t t y d 1g on. tin Rci| letepnone i^aos., Inc, Murray Hill, N. J. ^LESTON, Myron M. (WI) ' ^ {ieulaS*. Mich. ` (Eggleston JFruit Farm) -tflB, Jay C. ^S) pp 251 Buckingham Rd., pocky River 16, Ohio (Cleveland Builders Supply Co.) ,-hLERS, G. Milton (W) 54 Oak Hill Lane South Darthinouth, Mass. (Aerovox Corp.) cMAN, Roy G. (GI) TM 600 S. Allen St., State College, Pa. (Pennsylvania State University) elDE. Alwin C. (E) American Zinc Sales Co., Box 327 Columbus 16, Ohio plSEN, John B.. (R) Box 27, Waterloo, Wise. (Bjorksten Research Labs., Inc.) ISENBERG, Marvin (RJ) c Armour Research Foundation Technology Center, Chicago 16, 111. FlSENBERG, Meyer (X) p 25-32 38th St. Long Island City 3, N. Y. (Architectural. Tiling Co.) eJTEL, Wilhelm (BI) Dir. of Inst.' of Silicate Research University of Toledo, Toledo 6, Ohio JJCDAHL, W. Graydon (G) Johns-Manville Research Center Manville, N. J. gKHOLM, L. G. (RI) 2143 Constitution Blvd. Boston, McKeesport, Pa. (United States Steel Corp.) ELDER, J. C. (W) Robertson Mfg. Co., Box. 848 Trenton 5, N. J. ELECTRIC AUTO-LITE CO., SPARK PLUG DIV. (Robert Twells) Box 231, Fostoria, Ohio ELECTRO REFRACTORIES & ABRASIVES CORP.. . (Grant S. Diamond) 344 Delaware Ave., Buffalo 2, N. Y. ELJER CO., Enamel-Ware Div. (L. A. Bateman) Salem, Ohio ELLARD, Earle R. (R) 344 Clinton Ave., Tiffin, Ohio (Basic Refractories, Inc.) ELLEPSON, 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. (Kaiser Aluminum & Chemical Corp.) ELMER, Thomas H. (B) 219 E. High St., Painted Post, N. Y. . (Corning Glass Works) ELOSUA, Bernardo (W) Apartado 360, Monterrey, N-L., Mexico (Badrillera Monterrey, S.A.) ELSTON, Keith (WI) 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. (MI) R. T. Vanderbilt Laboratories East Norwalk, Conn. EMRICH, Harold W. (SI) 1525 Filbert Court, Denver 20, Colo. (Denver Sewer Pipe & Clay Co.) ENBERG, Christer Tegellaboratoriet (Brick Laboratory) Drottning Kristinas vag 45 Stockholm O, Sweden ENGEL, Juan J. R. Casilla Correo 2394 Buenos Aires, Argentina (Metalum S.R.L.) 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 ENLOE, Scroop W. (M) Dillsboro, N. C. (Harris Clav Co.) ENLOE, 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, EdwaTd (G) Vidrio Neutro, S. A. Prolongacion Calle de la Rosa No. 9, Atzcapotzalco, D. F., Mexico ERICKSON, A. Alfred (G) 84 Pershing St., Coming, 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. ERWIN, Lee R. (E) 209 S. Sunset PL, Monrovia. Calif. (Affiliated Gas Equipment. Inc.) ERZEN, Frank C. (E) 604 Holly Trail, Sierra Macre. Calif. (Kent Corp.) ESCANDON, Manuel F. (WI Institute Mexicano de Investigaciones Tecnologicas Legaria 694. Mexico 10. D. F. ESCHENBURG. Robert L.. II Floresville. Texas ESPERSEN, Karen Holmegaards Glasvaerk 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.l 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 FLINT & SPAR CO. (Richard W. Thropp) 190 W. State St., Trenton S. X. J. EUSNER. George R. (Rl . 1025 Summitt St., McKeesport. Pa. (U. S. Steel Corp.) EVANS CASE CO. (Alfred F. Reillv. 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. Ill) 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. (RI) 506 E. Iron Ave., Dover, Ohio (Robinson Clay Product Co.) EVERHART, J. O. (SFI) Engineering Experiment Station Ohio State University Columbus 10, Ohio Roster 21 i-mue Air Products Co. E. Park Dr. & Woodward Ave. Tonawanda, N. Y. . eWALD; Merwin R. (G) . Toledo Engineering Co., Inc. 3001 ' Sylvania Ave., Box' 87, Sta. H., Toledo 13, Ohio fWING, Robert F. (W) Mansfield Sanitary Pottery Perrysville, Ohio gXOLON CO. (Harvey J. Robillard) Tonawanda, N. Y. jjYERLY,' George B. (R) 3813 N. Humboldt Ave., Apt. 4 MilWaukee, - Wise. (Allen Bradley Co.) F FABIANIC William L. (RFI) 1831 Seminary Ave., Alton, 111. (Laclede-Christv Co.) FABRICA de LADRILLOS INDUSTRIALES, y REFRACTARIOS, S. A. (Salvador Odriozola Gomez) Apartado 390, Monterrey, N. L., Mexico FABRICA de PORCELANA da VISTA ALEGRE LDA. Largo do Barao de Quintela No. 3 Lisbon, Portugal FACKLER, Ernst G. Apartado Aereo 6108 Bogota, Colombia (Vidrio S. A.) FACKT, George P. (SF) 408 Paseo del Mar, Box 878 Palos Verdes Estates, Calif. (Redondo Tile Co., Ltd.) FADANELLI, Louis H. 1132 S. California Ave., Chicago, 111. FAGEN, Barney (M) Illini Ceramic Service, Inc. 163-169 W. Illinois St. Chicago 10, 111. FAHRENBRUCK, William O. (GI) R.R. 1, Box 95, Tiffin, Ohio (Sterling Grinding Wheel Co.) FAILMEZGER, Howard (WFI) Victor Insulators, Inc. Victor, N.- Y. FAIN, Charles C. 789 Glendalyn Ave., Spartanburg, S. C. FAIRCHILD, Charles O. (B) ' Chain Bridge Rd., Fairfax, R. R. 3, Va. (U. S. Government) FAIRFACTS CO. (J. Ryan Smith) Fairfacts St., Trenton 8, N. J. FALCONER, Donald P. (R) 1018 Maple Ave., Evanston, 111. (Sales Engineer) FALLON, Frank J. (WI) B. G. Corp., Ridgefield, N. J. FALTER, Arthur H. (G) 8635 Jacob Pl,, Niagara Falls, N. Y. (Carborundum Co.) FANDERLIK, Milota Nerudova 10 Hradec Kralove, Czechoslovakia FARBER, Louis G. (DI) 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) O. Hommel Co., Box 475 Pittsburgh 30, Pa. farrow, Lewis c. (E) R.R. 1, Clyde, Ohio (Whirlpool Corp., Clyde Porcelain Steel Div.) Vol. 33, No. 10 (1954) /ozy rternaru Ave., uuomuan ji, <_>uio (Philip Carey Mfg. Co.) FAULKNER, Karl B. (R) Corning Glass Works, Corning, N. Y. FAUST, Ernest H., Jr. (RI) 3129 Whitney Ave.,'Mt. Carmel, Conn. (American Refractories and Crucible Corp.) FAUST, George T. (G) 9907 Capitol View Ave, Silver Spring, Md. (U. S. Geological Survey) FAY, Wayne X. (RI) General Refractories Co. 202 Oxford Hill Lane, Havertown, Pa. FEAGIN, R. C. (B) Austenal Laboratories, Inc. 224 E. 39th St., New York, N. Y. ' FEDERAL GLASS CO. (Henry H. Blau) 515 E. Innis Ave. Columbus 7, Ohio FEDERAL SEABOARD TERRA COTTA CORP. (O. E. Mathiasen) Perth Amboy, N. J. FEDOCK, Michael P. (R) 163 Woodlavm Ave., N. W. Canton 8, Ohio (Republic Steel Corp.) FEINBLOOM, David T. Box 653, Alfred, N. Y. FELD, Philip Box 1039, Alfred, N. Y. FELKER, Ernest (W) 2109 Tolosa Dr., Dallas, Texas (Ferro Corp.) FELLOWS, R. L. (EFI) 748. N. Kensington Ave., La Grange, 111. (Century Vitreous Enameling Co.) FELLOWS, Roger L., Jr. (EJI) 2219 Tabor Ave., Dayton 10, Ohio (Frigidaire Div., General Motors Corp.) FELS, C. G. (RI) 11 DeForest Ave, North Plainfield, N. J. (Fels Refractories, Inc.) FENSTERMACHER, John E. (RJ) 1320 Fifth Ave., Worthington, Minn. FENTON, Walter M. (G) Lithium Corp. of America, Inc. 2560 Rand Tower, Minneapolis 2, Minn. FERDINAND, George (W) 7113 Fishbum Ave., Bell, Calif. (Air Pollution Control, Inc.) FERGUSON, D. Robert, III (R) Box 368, New Cumberland, W. Va. (Crescent Brick Co., Inc.) FERGUSON, Donald Box 929, Alfred, N. Y. FERGUSON, Douglas J. (D) Pigeon Forge Pottery Pigeon Forge, Tenn. FERGUSON, Robert F. (G) 1765 Caleb Dr., Zanesville, Ohio (Hazel .Atlas Glass Co.) FERGUSON, Robert L. (S) Yankee Hill Brick Mfg. Co. 728 Stuart Bldg., Lincoln 8, Nebr. FERGUSON, R. W. (W) General Ceramics Corp. Keasbey, N. J. FERNANDO, Hector S. (WJ) Box 96, Alfred, N. Y. - FERRAZ, Cyro B. Rua Voluntaries 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. 60 E. 42nd St., New York 17, N. Y. FERRO CORP. (R. A. Weaver) 4150 E. 56th St., Cleveland 5, Ohio FERRO ENGINEERING CO. (Walter M. Charman, Jr.) 1208 Hanna Bldg., Cleveland 15, Ohio A.A./V. CsOip., DUX Old, UdUdUCil, iUd. FESSLER, A. H. (WFI) Fenton, Mich. (AC Spark Plug Div. General Motors Corp.) FETTER, H. (R) Cia. Mexicans de Refractarios A. P. Green, S. A., Hamburgo 51 Apartado Postal 71 Bis, Mexico, D. F. FETTERLEY, Guy H. (R) Box 26, Chippawa, Ont., Canada (Norton Co.) FETZER, George W. (D) 1205 17th Ave., Columbus 11, Ohio (George Fetzer Ceramic Supplies) FEYLING, Claus A. Eie Stentpifabrik Egersund, Norway FIBERGLAS CANADA, LTD. (John MacRae) Box 309 Guelph, Ont., Canada FIELD, Theodore E. (B) Corhart Refractories Co. 1600 W. Lee St., Louisville 10, Ky. . FIELDS, Ernest (R) 7136 Marwinette Ave. St. Louis 16, Mo. (Laclede-Christy Co.) FILIPPI, Hugo (SF) Illinois Brick Co. 228 N. La Salle St., Room 1718 Chicago 1, 111. FILLMORE, Charles L. (WI) Globe-Union, Inc. 900 E. Keefe Ave., Milwaukee 1, Wise. FILREIS, Samuel (R) 47-27 215 Place Bayside, Long Island, N. Y. (Seaporcel Metals, Inc.) FINDLAY CLAY PRODUCTS CO. (R. S. Craft) Washington, Pa. FINLAY, G. R. (R) . 2231 Waters Ave. Niagara Falls, Ont., Canada (Norton Co.) FINLAYSEN, John R. School of Ceramics Rutgers University New Brunswick, N. J: FINNEY, Edwin L. (S) Qavcraft Co., Shawnee, Ohio FIRESTINE, Arthur G. (G) 34 Dewey Ave., Fairport, N. Y. (Bausch & Lomb Optical Co.) FISCHER. Eugene A. (R) 108 Newton Ave., N. Worcester 5, Mass. (Norton Co.) FISCHER, Peter R. Deisenhofener Str. 87 Munich 9, Germany FISCHER, Robert J. (W) 86 Barker Ave., Eatontown, N. J. (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 FISHER, 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 FISHLEY, William S. (W) Sparta Ceramic Co. East Sparta, Ohio . FISH-SCHURMAN CORP. (Murray Yawitz) 70 Portman Rd. New Rochelle, N. Y. Roster 23 jrtSK, Henry G. (B) .Natural Resources Research Inst. University of Wyoming, Laramie, Wyo. jrlTZGERALD, Alex E. (RI) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. plTZGERALD, J. Vincent (G) Tile Council of Am. Research Center School'of Ceramics, Rutgers University New Brunswick,. N. J. FITZSIMMONS, Elmer S. (RI) . 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 BlvcL New Orleans 22, La.(Industrial Enameling Div., Industrial Electric, Inc.) FLEMING, DAVID M. (BJ) 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, III. FLINT, Francis C. (GFI) Hazel-Atlas Glass Co. 15th & Jacobs Sts., Wheeling W. Va. FLORENCE, Jack M. (G) Kimble Glass Co. Box 1035--1036, Toledo 1, Ohio. 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. (RJ) 917 Park Ave., Ackley, la. FONTANA, Eugene H. (G) Box 259, Coming, N. Y. (Coming Glass Works) FONVIELLE, Frank P., Jr. (WI) Dentist Supply Co. of New York 500 W. College Ave., York, Pa. FOOTE MINERAL CO. (L. G. Bliss) 18 W. Chelten Ave. Philadelphia 44, Pa. FORAKER, Robert W. (El) Titanium Pigment Corp. 99 Hudson St.f New-York 13, N. Y. Forbes, Lewis j.-b. (G) 165 Bloor St., E. Toronto, Ont., Canada ''Pilkington Brothers (Canada) Ltd.) !>, Fred J. (M) jJox 537, Dallas, Texas F0RD, George D. (WI) 2136 Wilmer St., Zanesville, Ohio (Mosaic Tile Co.) Jol. 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. (XI) Box 482, Blacksburg, Va. (Virginia Polytechnic Inst.) FORRY, W. J. (MJI) 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. (DF) 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) Battdle 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. (WI) 114 Winston Rd., Akron 13, Ohio (U. S. Stoneware Co.) FRAME, Dudley P., Jr. (MI) 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. (RI) 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-SIMPLEX, INC. (C. E. Frazier) 436 E. Beau St. Washington, Pa. FRECHETTE, Howells (Life, SF) 52 Park Ave., Ottawa, Ont, Canada FRECHETTE, Van Derek (BFI) New York State College of Ceramics Alfred, N. Y. FREDERICK, C. L. (RI) 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. (RFI) 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. Roster 25 fjllEDMANN, Ernesto 990 if. Park Ave., Pomona, Calif. fdITZ, Eprl C. (W) ' 131 Fulton St., Olean, N. Y. (Hi. Q. Div., Aerovox Corp.) (|tITZ, E. H. (WFI) 710 Walnut St., Lqtrobe, Pa. ' "Rtupakoff Ceramic & Mfg. Co.) jERG, Laird (G) _/\vens-Coming Fiberglas Corp. Newark, Obio cROME, Howell E. (G) United Fuel Gas Co., Box 1273 Charleston 25, W. Va. fjtONCZAK, E. T. (S) . Natco Corp., Greentown, Ohio cROST, 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. fUJII, Takashi Institute of Silicate Research University of Toledo, Toledo 6, Ohio fULKER,: Richard H. (El). 1408 Nicklin Ave., Piqua, Ohio (Pemco Corp.) FULLER, a. a. (X) . 322 S. Twyckenham Dr. Sopth Bend, Ind. (Sollit Construction Co., Inc.) FULLER, Donald H. (El) 335 S. Cook Ave., Trenton, N. J, (Trenton Fabricated Metal Co.) FULLER, L. R. (El) 1129 E. Walnut St., Kokomo, Ind. (Globe American Corp.) ; ]JER, Richard B. (WI) 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. (WI) 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. (WJ) 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. (MI) 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, Kv. : (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.) UV0L. 33, No. 10 (1954) GAILEY, Michael D. 2601 W: Montlake PI. Seattle 2, Wash. GAINER, Taylor M. (W) 6505 Evangeline Ave. Louisville 14, Ky. (American Radiator & Standard Sanitary Corp.) r! 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. GANGLER, James J. (R) 20538 Stanford Ave. Fairview Park 26, Ohio (National Advisory Committee for Aeronautics) GANGULI, Umapati Bengal Enamel Works Ltd. P. O. Bengal Enamel, Dist. 24 Parganas West Bengal, India 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 (WI) 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. i Columbus 14, Ohio (Consulting Engineer) GARVEY, Lawrence P. (RI) RCA Victor, 415 S.. Fifth St. Harrison, N. J. GASKINS, W. W. (WI) 1608 Huntington Dr., Box 390 South Pasadena, Calif. (Sierra Talc & Clay Co.) GATES, Daniel W. (XI) 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. (MI) 3Ay pmuo -g `-diog jtuuaqx 3 IriOK . South San Francisco, Calif. GAVIN, G. P. (W) Kohler Co., Kohler, Wise. GAWTHROP, Alfred (S) 885 Maplewood Rd., Lake Forest, 111. (Wedron Silica Co.) GAY, Hayward A. (R) Cincinnati Milling Products Div.' . Cincinnati Milling Machine Co. 4701 Marburg Ave., Cincinnati 9, Ohio GEIGER, Charles F. (RFI) 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. (WFI) 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., INC. (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 EQUIPMENT CO. (Victor A. Plumbo) 5 S. Virginia Ave. Atlantic City, N. J. Roster 27 f rtgMBRAL REFRACTORIES CO. p' w (Russell P. lieuer) 1520 Locust St. I Philadelphia 2, Pa. /-.ENTRY, Raymond (G) Alexander H. Kerr & Co., Inc. Box 2008, Santa Ana, Calif. ggNTSCH, 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 KAOLIN CO. ! (Robert H. Bollinger) 433 N. Broad St., Elizabeth 3, N. J. GEORGIA PIGMENT CO. (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. GERCAR,, Francisco J. S. A.. Cristalerias Del Uruguay Comercio 1491, Montevideo, Uruguay GERSCH, Herbert (S) 3557 Ontario St., Columbus 11, Ohio (Claycraft Co.) GERSTENSCHLAGER, V., Jr.' (R) Babcock & Wilcox Co., Box 923 Augusta, Ga. GERSTER, C. W. <WI) 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 kargbera Azionaria Via Industrie 52 Cas. Post. 38 Margbera, 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. (WI) 512 E. Leasure Ave., New Castle, Pa. (Shenango China, Inc.) GIESEKE, Frans Kockums Emaljerverk Ronneby, Sweden G1ESS, Edward A. (RJ) 341 Second St., South Amboy, N. J. (Titanium Pigment Corp., National Lead Co.) GILES, James H,, Jr. (MI) 5516 39th St, N. W. Washington, D. C. (Porcelain Enamel Institute) . WLES, Thomas M. (WJ) v 1970 Suffolk Rd., Columbus, Ohio (Ohio State University) g*LFILLAN, J. M. (W) New Jersey Porcelain Co. r Box 908, Trenton 5, N. J. WLL, James A. (WI) 8427 Broadway, San Antonio 9, Texa (Gill Pottery) j, John H. (R) p ^iU Clay Pot Co., Muncie, Ind. 1LL. Joseph W. (BI) 685 Van Buren St., Des Plaines, 111. (U. S. Gypsum Co.) GILL, LaVerne N. (WI) American Radiator & Standard Sanitary Corp., Box 268 Torrance, Calif. GILLESPIE, H. M. (M) 225 Broadway, New York 7, N. Y. GILLIARD, Joseph W. (D) 108 W. County St., Phoebus, Va. (Hampton Institute) GILLINDER BROTHERS, INC. (J. Fletcher Gillinder) Port Jervis, N. Y. GILLINDER, J. Fletcher (G) Gillinder Brothers, Inc. Port Jervis, N. Y. GILLULY, William F. (X) 212 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) 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 (MFI) 39 W. 70th, New York 23, N. Y. (Whittaker, Clark & Daniels, Inc.) GITZEN, Walter H. (R) 1 Wesley Dr., Belleville, 111. (Aluminum Co. of America) GIVEN, Conrad W. (E) Great Lakes Steel Corp. Ecorse, Detroit 29, Mich. GLABAU,. Ernest R. (G) 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. GLOSSERENNER. 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.) GOETCHIUS, Don R. (E) Ferro Corp. 4150 E. 56th ,St., Cleveland, Ohio GOETTMAN, Franklin P. (M) Standard Sand Co., Grand Haven, Mich. GOIN, Fred L. (S) Gladding, McBean & Co., Lincoln, Calif. GOLDING, Ivor L. S. Metal Porcelains Ltd., Cornwall Rd. Smethwick 40, England GOLDING-KEENE CO. (J. G. Gemmell) Box 456 Keene, N. H. GOLDMAN, Basil B. (S) 1545 S. State St., Chicago S, 111. (Rhodes Chemical Co.) GOLDSMITH, Julian R. (B) University of Chicago Dept, of Geology, Chicago 37, 111. 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) Dominion Fire Brick & - Clay Products (1954) Ltd. Claybank, Sask., Canada GOODMAN, James S. (E) American Radiator & Standard Sanitary Corp., 834 E. Broadway Louisville 4, Ky. GOODRICH, Hobert R. (WI) 1622 Santa Barbara Ave. Glendale 8, Calif.' . (Gladding, McBean & Co.) GOODWIN, Gail Creek Rd.. Holley, N. Y. GOODWIN, William Jarrard (B) Metals Research labs. 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., 1 Cincinnati Milling Machine Co.) GORNALL, Henry A. (MI) 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. IGeneral 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. (RJI) 1282 Genessee Rd., Cleveland, Ohio (U. S. Steel Corp.) fe 33, No. 10 (1954) , e* Roster 29 gOOLD. R. E. (WFI) Buffalo Pottery, Iuc. 25 Hayes PI., Buffalo 10, N. Y. gOWER, Irving 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-Warren (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 LAKES FOUNDRY SAND CO. (C. L. Cruikshank) 720 United Artists Bldg. Detroit 26, Mich. GREEN, A. P., FIRE BRICK CO. - (R. S. Bradley) -y Research Dept., Mexico, Mo. EN, A. T. (F) British Ceramic Research Assn. T Queen'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. (MI) Minneapolis-Honeywell Reg. Co. Wayne & Windrim Aves. Philadelphia 44, Pa. GREEN, Robert L. (W) Lenox, Inc., Meade St. Trenton, N. J. GREEN, R. S. (BI) 18 S. Jefferson Rd., Mexico, Mo. (A. P. Green Fire Brick Co.) 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 Dr., Macon, Ga. (Bums Brick Co.) GREENE, Charles H. (G) Box 804, Alfred, N. Y. (N. Y. State College of Ceramics) GREENE, J. F. (GF) 1043 New Pear, Vineland, N. J. j (Kimble Glass Co.) EENE, Robert H. (E) Canadian General Electric Co., Ltd. 5781 Notre Dame E. Montreal, Que., Canada ,Vol. 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. (GFI) 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. GRIFFIN, Thomas W. (G) 213 Bushy Hill Rd., Weatogue, Conn. (Hartford-Empire Co. Div. of Emhart Mfg. Co.) GRIFFIN, William R. (W) Solar Mfg. Corp. 46th St. & Seville Ave. Los Angeles, Calif. GRIFFITH, J. Scott (R) 5524 W. Adams St., Chicago 44, 111. (Armour Research Foundation) -GRIFFITH, R. E. (R) R.R. 1, Malvern, Pa. (E. J. Lavino & Co.) GRIFFITH, William A. (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. (El) 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 PI., Chicago 49, 111. (United States Steel Corp.) GROVE, Robert L. (WI) 26 Rockland St. South Dartmouth, Mass. (Coraell-Dubilier Elec. Corp.) GRUNER, 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 Horironte, 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.) GUTHRIE, George "Ochil" Harrow Rd., Sudbury Hill Wembley, Middlesex, England (British Bath Co., Ltd.) GUTHRIE, George B. (W) 642 Louisiana Ave., Chester, W. Va. (Hall 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. (WI) 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 (WFI) Box 328, Zanesville, Ohio (Donald Hagar 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. Roster 31 Babcock & Wilcox Co. # Research Center, Box 835 Alliance, Ohio jIALD, 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. (WF) 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. (RI) Ceramic Supply Co., Box 106 -Crooksville, Ohio HALLOIN, William G. (G) 1218 Broadview Blvd. Brackenridge, Pa. (Pittsburgh Plate Glass Co.) HALM, Louise Union Francaise des Produits Refractaires, 15, Rue de Milan Paris 9e, France HAMAKER, M. L. (R) Columbia Fire Brick Co. First National Bank Bldg, i 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. Chattanooga, Tenn. HAMME, Donald G. (XI ' 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 brick & tile co. (James L. Child, Jr.) Box 59 Findlay, Ohio HANCOCK, Russell A. 83 Water St. Auburn Sydney N.S.W., Australia Hand, Thomas (R) Corhart Refractories Co. 1600 W. Lee St., Louisville 10, Ky. `ANDEN/Jack (GJ) 355 Hoffman St., Elmira, N. Y. (Westinghouse Electric Co.) 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. (WI) Square D Co., Molded Insulation Div. Peru, Ind. HANNA, Richard (RJ) Hartford, N. Y., (General Electric Co.) HANNON, Richard C, (WI) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HANOVIA CHEMICAL & MFG. CO. (R. T. Vanderbilt Co., Inc.) . East Newark,. N. J. HANSARD, W. Carey (WI) 2345 Cheshire Bridge Rd., N. E. Atlanta, Ga. (Georgia Institute of Technology) HANSELL, U. G. (W) Honeywell Research Center 500 Washington Ave., S. Hopkins, Minn. HANSEN, I. A. (W) Fords Porcelain Works Perth Amboy, N. J. HANSEN, J. E. (EFI) Ferro Corp., 5309 S. District Blvd. Los Angeles 22, Calif. HANSEN, John H. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio HANSEN, Kenneth H. (M) 507 Edgewood Ave., Columbia, Mo. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) HANSEN, Valdemar Kastrup Glasvaerk Ltd. Norrevoldg. 12, Copenhagen K, Denmark HANSEN, Waldemar C. (R) Universal Atlas Cement Co. Gary (Buffington Station), Ind. HANSON, 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. (DF) 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. (SI) Onondaga Brick Corp., Warners, N. Y. HARES, George B. (G) 15 Roosevelt St., Corning, N. Y. (Corning Glass Works) HARGREAVES, John 26 Kirk Lane Yeadon, Nr. Leeds, England HARKER POTTERY CO. (Robert E. Boyce) East Liverpool, Ohio HARMAN, C. G. (WF) Horizons, Inc., 2891 E. 79th St. Cleveland, Ohio HARNISH, John D., Jr. (WI) Westinghouse Electric Corp. Derry, Pa. HARPER, J. Fletcher (W) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. HARPER, Roderick L. (M) Harper 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. (WI) 6454 Bloomingdale, Chicago 35, 111. (Mevercord Co.) HARRELL, George O. (D) " 607 Wicker St., Sanford, N. C. (Harrop 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) Harris Qay 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. (RJI) 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-EMPIRE CO. DIV. EMHART MFG. CO. (Karl 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. Vol. 33, No. 10 (1954) Roster 33 /w/ I'lumpioii oouri Webster Groves 19,- Mo. (Aluminum Co. of America) HART, Wade J. (GI) 908 Lafayette Court, Marion, Ind. (Radio Corp. of America) HARTFORD, Thomas J. (WI) ' 1091 N. Lake Ave., Pasadena 6, Calif. (Gladding, McBean & Co.) HARTLEY, Alva G. H. Downing & Co. Ltd. New Castle, Staffs, England HARTSHORN, T, D. (El) 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, Stephen (WI) 1510 Wheaton Lane, Silver Spring, Md. (National Bureau of Standards) HASSELBACH, William (G) Lihbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio HASSETT,: 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, No. 10 (1954) -O v^ucsicr circle, Apt. za 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., Rro. 1526 Republic Steel Corp., Cleveland 1, Ohio HAZEN, E. J. (GI). R.R. 2, Ford City, Pa. (Pittsburgh Plate Glass Co.) HEALY, James H. (E) 4511 N. Sherman Blvd. Milwaukee 16, Wise. (A. O. Smith Corp.) HEATH, Donald L. (B) Ohio Brass Co., Park & Ninth Barberton, Ohio HEATLEY, Sidney M. (SJ) Box 475, Moncks Corner, S. C. (Babcock & Wilcox Co.) HECK, Frank' G. (R) E. J. Lavino & Co., 1528 Walnut St. Philadelphia 2, Fa. HEDDELL, James V. (GI) .2328 Hathaway Ave., Alhambra, Calif; (Gladding, McBean & Co.) HEDDEN, Walter A. (M) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio HEDGES, Lee M. (R) R.R. 4, Cedar Grove Rd. Somerville, N. J. (Johns-Manville Products Corp.) HEDGPETH, James A. (S) Borden Brick & Tile Co., Box 1771 Durham, N. C. HEDIN, Claes Olof c/o Malardalens Tegelbruk Stockholm 3, Sweden HEDQUIST; Alfred J. (W) Apartado Postal 525 Guadalajara, Jalisco, Mexico (Loza Fina S. A.) HEEBNER, John C. (RI) 7064 Glenmeadow Lane Cincinnati 37, Ohio . (Cincinnati Milling Machine Co.) HEFTI, Franz c/o Zurcher Ziegeleien Talstrasse 83, Zurich, Switzerland HEIDTMAN, Clarence F. (G) National Lime & Stone Co. First"National Bank Bldg. Findlay, Ohio HEILIGMAN, H. A. (RFI) E. J. Lavino & Co., Box 29 Norristown, Pa. HEIMSOETH, Werner M. Farbenfabriken Bayer, (220) Leverkusen-Bayerwerk, Germany HEINDL, 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.) HEISLER, 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. (WFI) 3604 Rosemary Ave., Glendale 8, Calif. HELZ, Annin 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. (El) 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. (WFI) Royal China, Inc., Sebring, Ohio HENDERSON,James L., Jr. (M) Robinson Ventilating.Co. Zelienople, Pa. - HENDERSON, William W. (S) Robinson Ventilating Co., Box 217 Zelienople, Pa. - HENDREN, Robert R. (RI) 105 Bank Ave., Riverton, N. J. (Richard C. Remmey 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. (XFI) 1121 Westmoreland Ave. Syracuse 10, N. Y. (General Electric Co.) HENRY, Frank R. (RF) Simonds Worden White Co. N. Summit St. & Negley PI. Dayton 7, Ohio HENRY, Georges Directeur General a/s Union des Verreries Mecaniques Beiges, 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.) HENWOOD, Reginald J. (R) 9444 Lynnhaven Rd. Cleveland 30, Ohio (Republic1 Steel Corp.) HEPLER, Ernest C. (R)` 329 Andover Rd., Fairless Hills, Pa. (U. S. Steel Corp.) Roster 35 ppLEWHITE, J. W- (WFI) J3557 Cedar Rd., Cleveland 18, Ohio (Ferro Corp.) rBERT, John S. (S) 174 Third' Ave., N., Nashville 3, Tenn. (W. G. Bush & Co.) (Or 'ST, John W. (W) 4j |V., 150th St., Cleveland 11, Ohio (L. ..n 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.) rMANN, James L. (W) 3288 Earlmar Dr. Los Angeles .64, Calif. (Redondo Tile Co.) . ;ROLD, Paul G. (XFI) Missouri School of Mines, Rolla, Mo. ,RPELt 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 Hess Blvd., Lancaster, Pa. (Armstrong Cork Co.) sSSINGER, 1/Lt. Philip S. (RJI) Box 8832, Wright Air Development Ctr. Wright-Patterson AFB, Dayton, Ohio JUER, 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. (RFI) Laclede-Christy Co. i"'"! Ridgewood Ave., St. Louis 16, Mo. EY J:T, James Thomas (E) lnsram-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) 1IERNAUX, 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. (EFI) 655 S. Harrison Ave., Kankakee, 111. (A. O. Smith Corp., Permaglas Div.) IIGGS, Harold P. (B) 312 E. Scribner Ave., DuBois, Pa. (Jeffers Electronics) HIGMAN, John W., Co.. (Robert J. Stone) 24 State St. New York 4, N. Y. HILDEBRAND, David (WJ) 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. HILt John R. (S) j Edgewater Apts. Heston, W. Va. (Charleston Clay Products Co.) HILL, Lawrence I. (G) 307 Carver Blvd., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) 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. HINTZE, 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 West Haven, Conn. HITCHINS, R. A. (R) National Refractories Co., Inc. 17th Floor, Lewis Tower Bldg. 225 S. 15th St., Philadelphia 2, Pa. HITNER, Jan K. (S) Zonolite Co., Box 217 Travelers Rest, S. C. HITZEMAN, Roger L. (WJI) 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 Co., Box 425 Fort Worth 2, Texas HOCKING, William J. (W) 1612 Pennsylvania Ave. East Liverpool, Ohio (Hall China Co.) HODGDON, Frank B. (B) Box 44, Station B, Toledo 6, Ohio (Owens-Illinois 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., Lyndburst 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, 111. HOHMANN, Frederick R. (G) 1012 Parkview Ave. New Kensington, Pa. (Pittsburgh Plate Glass Co.) - HOLDENER, Irwin K. (El) Hill Top Tr. Ct., Bedford, Ohio HOLL, Barton A. (S) Logan Clay Products Co., Logan, Ohio HOLL, Barton S. (SI) 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. (RI) 4316 Cedar Ave., Minneapolis, Minn. (General Refractories Co.) HOLSCHER, 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. (EF) 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 (Fabrics 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. ||l. 33, No. 10 (1954) Roster 3,7 dORAK-' William' (RFI) ** 223 Raymond `Rd. West Hartford-7, Conn. (Hartford Empire Div., Emhart Mfg. Co.) ilORN, William F. (GJ) R. R. 2, Monongahela, Pa. K INFISCHER, Harvey W. (W) 377 W. Brockton, Royal Oak, Mich. (Champion Spark Plug Co.) HORNING, Roy A. (GFI) P Armstrong Cork Co., Lancaster, Pa. riORNUNG, Martin R. (WI) ` 140'E. Sheridan Ave., New Castle, Pa. (Shenango China, Inc.) flORTON, Paul B. (WI) Locke Dept., General Electric Co. BoX 57, Baltimore 3, Md. POSSENLOPP, Arthur M. (WI) 28 Kendall Ave., Maplewood, N. J. (Henry L. Crowley & Co., Inc.) flOSTETTER, J. C. (GFI) ft 1561 Dale Ave,, Winter Park, Fla. (Consultant) f gOUCHINS, Henry R. (W) . Carborundum Co., Niagara Falls, N. Y. HOUDESHELL, Robert J. (M) 215 Basswood Ave., Apt. B Dayton 5, Ohio (International Clay Machinery Co.) i#. HOUGH, James T. .f 656 Llewellyn PL, Charlotte, N. C. HOUGHTON, Amory (G) The Knoll, Coming, 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) j Box 17, Norristown, Pa. JlUSTON, 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., CONVEX GLASS CO. (Armand L. Houze, Sr.) Point Marion, Pa. HOWAT, Walter L. (DF) 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) Bldg. 6-B, Apt. 3, Redfield Village Metuchen, N. J. >' (Glenco Corp.) :|0WE, Elroy E. (El) - Qticago Vitreous Corp. m 1425 S. 55th Court, Cicero 50, 111. .'.-SpWER, Lawrence D., Jr. (RI) SRaybestos Div., 75 E. Main St. Stratford, Conn. f'^R.R. S. (B) Allen Bradley Co., Milwaukee, Wise. "OWIE, Thomas W. jS; Uxmpbell & Co. (Roughcastle) Ltd. I Roughcastle Works, Falkirk, Scotland TYET, Eugene (G) R- 2, Box 332, Tarentum, Pa. L (Pittsburgh Plate Glass Co.) (i " Ku-hua 1. King's Terrace, 1st Floor Kowloon, Hongkong, B.C.C. (Kiu Foong Enamel Factory (H.K.) Ltd.) 33, No. 10 (1954) HUBER, George S. (EJ) 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. (WI) 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. (WI) 534 Putnam Ave., Zanesville, Ohio (Chicago Standard Transformer Corp.) HUI, William L. C. (G) 323 W. Highland Ave., Marion, Ind. (RCA Victor Div.) HULL, J. Brannon (M) Hull Pottery Co., Crooksville, Ohio HULL 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. (WI) 2494 Page Dr., Altadena, Calif. HUNT, Herbert J. (G) Kimble Glass Co., Vineland, N. J. HUNT, John F. (MI) 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. (El) 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. Ill (XJ) 2105 Sunset Ave., Seattle 6, Wash. HURLEY, Robert C. (SJ) 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) HURSH, Ralph K. (XFI) University of Illinois, Urbana, 111. HURST, Erwin J. (W) General Ceramics Corp. Plant 3, Research Dept. Keasbey, N. J. HURST, Thomas L. (R) Monsanto Chemical Co. Columbia, Tenn.. HUTCH, Herbert T. (W) 421 Parker St., Newark 4, N. J. (Ceramic Age) HUTCHISON, Clark (E) 709 E. Armstrong St., Frankfort, Ind. (Ingram Richardson, Inc.) HUTCHISON, R. C. (RI) 2133 Newton Ave., Bethlehem, Pa. (Bethlehem Steel Co.) HUTT, Glenn A. (E) 19629 Scottsdale Blvd. Shaker Heights 22, Ohio (Ferro Corp.) HUTT, 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. HVID, 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 HYDE, Collin (RI) 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 Societe -Generale de Carrelages 37, rue Leon Blum Feignies (Nord), France HYSLOP, Joseph F. "Dromore," Major's Loan Falkirk, Scotland (J. G. Stein & Co., Ltd.) I IANDER, J. Richard (M) Pacific Coast Ceramic Nevis 509 S. Beverly Dr. Beverly Hills, Calif. ICHIKAWA, Yoshio 229 Valley Ave. __ Wahiawa, Oahu, Hawaii IHRIG, Allen C. (G) 127 Corning Blvd., Corning, N. Y. (Coming 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.) Roster 39 j,UNOIS CLAY PRODUCTS CO. (Otis L. Jones)' 68 N. Chicago St. Joliet, 111. .jXYN, Alexis V. 183. Bevier Rd., University Heights New Brunswick, N. J. , 'iFF, Edward J. (M) luted States Glass Co. Glassport, Pa. jjlMEHIATO, Robert R. (WJI) 662 Ashland St., North Adams, Mass. IMPERIAL class 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, Harry (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 ; MINING, LTD. (L. Douglas MacKie) 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 MINERALS & CHEMICAL CORP., CONSOLIDATED FELDSPAR DEPT. (H. B. DuBois) Erwin, Tenn. IRELAND, John International Tin Research Council Fraser Rd. Greenford, Middlesex, England IRONTON FIRE BRICK CO. ; ,(J. H. Rickey, Jr.) Box 124 .Ironton, Ohio IRVINE, George C. (MI) Canadian Carborundum Co., Ltd. Niagara Falls, Ont., Canada IRWIN, Joseph T. (E) 1618 Elmwood Ave., Lakewood 7, Ohio I (Consultant) C*` IRWIN, Philip P. (W) Potters Supply Co. East Liverpool, Ohio ** IRWIN, William W. (W) I Potters Supply Co. East Liverpool, Ohio ISAACS, Richard P. (M) 1 78 Elmwood Dr., Livingston, N. J. (Hammill & Gillespie, Inc.) ISAGAWA, Jun' Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan jipL.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 Zurich 38, Switzerland IVES, John B. (RI) 18 Standish St., Frostburg, Md. (Big Savage Refractories Corp.) J JABBUSCH, Arthur J. (S) Box 218-A, Phenix 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 VITRIFIED 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 Oakland 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 (WI) 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., Basking Ridge, N. J. (Bell Telephone Labs.) JASPER, Stanley J. 439 E. 32nd-St., Paterson, N. J. JEFFERS, Phillip E. (RJ) Box 125, Gardner, HI. 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. JEPPSON, George N. (RF) 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, West Australia JOHNSON, Alton E. (WI) 4903 N. 53rd St., Milwaukee, Wise. (Globe-Union,. Inc.) JOHNSON, A. L. (WF) Universal-Rundle Corp. New Castle, Pa. JOHNSON, A. M: (R) , Ross-Tacony Crucible Co. Tacony, Philadelphia 35, Pa. JOHNSON, Ben g 804 W. 15th, Spokane 41, Wash. JOHNSON, Boyd M, (R) Carborundum Co., Box 268 Perth Amboy, N. J. JOHNSON, Dehnar A. (G) 94 E. Third St., Coming, N. Y. (Coming Glass Works) 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. (WI) 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. (BI) 109 Newberry Circle, Oak Ridge, Tenn. (Union Carbide & Carbon) Roster 41 JOHNSON, LeRoy A. (E) 1 12&6 Cleveland St., Evanston, 111. (Chicago Vitreous Corp.) JOHNSON, Paul V. (S) 1 Structural Clay Products Research Foundation, 20 N. Wacker Dr. Chicago 6, 111. JOHNSON,- 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 Aircraft 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, Lt. 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. feVoL. 33, No. 10 (1954) JOSEPH, A. David (BJ) Box 3, Alfred, N. Y. (New York State College of Ceramics) JOVA BRICK WORKS (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. (El) 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. (WI) Three Oaks, Box 84, Jackson, Mo. (Ceramo Co. Inc.) KATNACK, Fred, Jr. Saw Mill Rd. Cold Spring Harbor, N. Y. KATZ, Joseph M. (WI) 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 KEITH, Wendell P. (RI) 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. (WI) Box 188, Hondo, Texas (Universal-Rundle Corp.) KELSEY, V. V. (MF) Dominion Minerals Div., Riverton Lime & Stone Co., Inc. Piney River, Va. KELSO, Marjorie'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.) KEMPF, William C. (RI) 28 Homer PL, Metuchen. N. J. (Carborundum Co.) KENAGY, William L. (RI) Huntingdon Valley, Pa. (Simonds Abrasive Co.l KENDRICK, Thomds B. (G) Lancaster Lens Co. 220-226 W. Main St., Lancaster, Ohio KENNEDY,-Richard W. (W) Star Porcelain Co. Box 1329, Trenton 7, N. J. KENT, Joseph P. (WI) 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. (WI) W. S. George Pottery Co. Canonsburg, Pa. KENTUCKY CLAY MINING CO. (W. J. Watkins) Mayfield, Ky. KENTUCKY-TENNESSEE CLAY CO., INC. (Chester Gulick) 807 City Savings Bldg., Alliance, Ohio KENWORTH, Orville O. (B) 1486 Arthur Ave., Lakewood 7, Ohio (Ferro Corp.) KENYON, Clark (W) Frenchtown Porcelain Co. Frenchtown, N. J. KEPKA, George M. (El) Braun Corp., 2260 E. 15th St. Los Angeles 21, Calif. KEPLINGER, Robert B. (RFI) Carroll Clay Co. Box 56, Carrollton, Ohio KERINS, M. P,, Jr. (E) Stauffer Chemical Co. 380 Madison Ave., New York, N. Y. KERLA, Hans: (R) 525 Beaumont Ave., Baltimore 12, Md. (Kerloid Corp.) KERPER, Matthew J. (BI) National Bureau of Standards Div. 9.3, Washington 25, D. C. KERR, Charles H. (GF) 2861 Chatsworth Blvd. San Diego 6, Calif. KERR, W. Raymond (RFI) Armstrong Cork Co. Box 441, Beaver Falls, Pa. Roster 45 ' rSHNHR, William G. (WI) P jl7 S. 14th St., Olean, N. V. /Olean Tile Co.) , ,,bler, H. W. (W) I r' 5outhem Potteries, Inc. . pox 279, Erwin, Tenn. ,.,gHL, Harry R. (G) \223 Chemung St., Coming, N. Y. ; (Coming Glass Works) wESOW, Paul F. (RJ) r 243`/ College Ave., Elmira Heights Elmira, N. Y. (Westinghouse Electric Corp.) ` rt/)ORK CERAMICS CORP. *(D. H. Walkup) Box 1619 Kilgore, Texas wjIBLE GLASS CO. (H. R. Black) * "2626 Dorr St., Toledo, Ohio dtfES, A. W. (G) : National 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.) rtMPTON, Dudley D. (G) , 1607 W. Park Ave., Champaign, 111. (Anderson Physical Lab.) * KING, Burnham W., Jr. (BFI) . 2564 Welsford Rd., Columbus 21, Ohio (Battelle Memorial Institute) rlNG, Charles B. (G) . 189 Cedar St., Coming, N. Y. t-1 (Coming Glass Works) JING; Harry M. (MJ) 439 Washington PI., Sycamore, 111. KING, Leon A. (W) W. Delaware St., Woodbury, N. J. KING, R. M. (EFI) Lord Hall, Ohio State Univ. Columbus 10, Ohio ICING, Robert G. (W) 143 N. Center St., Grove City, Pa. . (Vitro Mfg. Co.) _T!NG, Walter F. (M) ;x. ]365 Arborlea .Ave., Morrisville, Pa. Si /(Shenandoah Silica Co., Inc.) HNGERY, W. D. (B) Ceramics Div., Mass. Inst, of Tech, rr? Cambridge, Mass. KINGMAN, W. W. (M) Georgia Pigment Co., Sandersville, Ga. KINSMAN, Bradley Q. (XJI) 54 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. m Kirkpatrick, Frank (wfi) .. 41 Fifth St., 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, No. 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) KLEVENS, 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)' -- KLIPPER, 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 Poppelsdorferallee 15, Bonn, Germany KNAUFT, Robert W. (R) Charles Taylor Sons Co. Box 58, Annex Station Cincinnati 14, Ohio KNECHT, Albert O. (WI) 201 Edgewood Ave., New Castle, Pa. (Universal-Rundle Corp.) KNIGHT, E. H. (S) Maurice A. Knight Sons Co. Box 150, Crooksville, Ohio KNIGHT, M. A., Jr. (S) Maurice A. Knight, "Knight-Ware" Box 111, Akron 9, Ohio KNIGHT, MAURICE A., "KNIGHT-WARE" (M. A. Knight, Jr.) Box 111, Akron 9, Ohio KNIGHT, Mellen A. (G) 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. (RI) 512 N. Washington St., Tiffin 9, Ohio (Basic Refractories, Inc.) KNOPF, Eugene G. 162 Bevier Rd., New Brunswick, N. J. KNOWLES, EDWIN M., CHINA CO. Newell, W. Va. KNOWLES, Philip S. (S) 441 E. Buford Rd., Macon, Ga. (Cherokee Brick & Tile Co.) KNOWLES, William V. (EF) 8905 Champlain Ave. Niagara Fills, N. Y. KNOWLTON, 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. (WI) 4912 Crescent St, Washington 16, L>. C. (National Bureau of Standards) KNUDSEN, Rolf Borgestad, P. A., Norway (Borgestad Fabrikker) KNUTSEN, Eivind (R) Western Refractories Co. Box 169, lone, Calif. KOCH, Daniel O. (M) E. I. du Pont de Nemours & Co., Inc. Electrochemicals Dept 71 Buckingham Ave. Perth Amboy, N. J. KOCH, Frank A. (M) . National Sales "lEorp. 307 E. Fourth St., Cincinnati 2, Ohio KOCH, Renato Direttore Stabilimento Tubi Elettronici Marconi Italians S.p.A. Via Pile, L'Aquila, Italy KOCH, William J. (WI) P. R. Mallory & Co. E. Washington St., Indianapolis 6, Ind. KOCHANEK, Michel (X) 1030 Douglas Rd., Lincoln Village Stockton, Calif. KOEHLER, W. A. (RI) Mineral Industries,Bldg. West Virginia University Morgantown, W. Va. KOENIGi Charles Jacob (WFI) Engr. Expt 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. KOHLER 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, (Western), Germany Roster 47 ;OWITCH,' Gilbert D. (RJ) 2003 N. 73rd Court' glmwood Park 35, 111. .'RAD, Howard E. (R) tl Brookside Ave., Apt. 7-B goiperville, N. J. (' i-Manville Research Center) i* ' Cbainotte Unie. N.V. Tielerweg Geldermalseti, Holland )S, E. K. (WI) Sterling China Co. East Liverpool, Ohio ,p GLASS, INC (C. E. Leberknight) Box 8255 Pittsburgh 18, Pa. ?PERS CO., INC. (C. R. Austin) Research Dept. {Coppers Bldg., Pittsburgh 19, Pa. *A, Yosio 2 Chome, Katsuyama-Cho Yahata, Fukuoka, Japan (Kurosaki Fire Brick Mfg: Co. Ltd.) SHUBA, Walter J. (R) General Electric Co.--ANP Project Box 132, Cincinnati-15, Ohio WAL, Leo B. (G) Canadian Pittsburgh Industries, Ltd. 60 Blvd. St. Croix Ville St. Laurent,.Que., Canada .WALKA, Warren 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. ftAFT, Ralph G. 4120 N. 135th St., Milwaukee, Wise. BAFTILE CO. (C. W. Kraft) S-l! (Calif. IaL ,4 .Irvin R. (R) f Mercast Corp., 295 Madison Ave. |New York 17, N. Y. BAMER, William Meigs (G) !AAdamston Flat Glass Co. . V Qarksburg,-W. Va. SANER, Hobart M. (BFI) v. Bethlehem Steel Co. %' Bethlehem, Pa. . C8EGER, John M. (R) y Valentine Fire Brick Co. |`Div. A. P. Green Co. Woodbridge, N. J. OEGLO, James R., Jr. ~ 1840 Perry PI., Jacksonville, Fla. ttEHBIEL,. Frederick H. (W) v Accurate Pyrometric Cone Co. : Pataskala, Ohio ^HBIEL, H.. Orton (D) i Accurate Pyrometric Cone Co. irePataskala, Ohio gKDL, E. L. (G) RA D. Little, Inc. ^30 Memorial Dr., Cambridge, Mass. EIDL, Norbert J. (GF) |A0 Milford Rd,, Rochester 10, N. Y. : (Bausch & Lomb Optical Co.) ETSCHMAR, Ernest (G) P1 S/Meramec Ave., Qayton 5, Mo. ?(Eleetro-Phos. Slag Co.) 5UER, Albert L. (M) Ji.Orefraction, Inc., 7425 Thomas St. ^Pittsburgh 8, Pa. ]GEL, W. Wurth (XFI) esSvam'c Engineering Dept. " State College, Raleigh, N. C. &-.1 Frederick S. (G) Second St., Corning, N. Y. ''Corning Glass Works) r ntl Karl EKVnio State Univ., Res. Foundation |y~j>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. (WI) 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. (RI) 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. (WI) 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. (WI) 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 (SI) 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. (RJI) 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. (MI) ' 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 of`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, Md., LANG, Richard L. (W) Ohio Fuel Gas Co. 17 N. Fourth St, 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. (WI) 624 N. Main St., Fostoria, Ohio (Richard C. Remmey Son Co.) LAPP, Grover W. (MF) . . 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. 68W. 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 ,.nSON, Paul F. (W) V' 3g6'6 Norman Ave., N. W. Caiiton 9, Ohio (Sparta Ceramic. Corp.) .gSMAN, Benjamin (M) V' genjamin Lassman & Son R R. 8, Glenshaw, Pa. .fCHFORD MARBLE GLASS CO. r (C. L. Dillon) Box 71707 gos Angeles 1,-Calif. .TlMER, Glen H. (R) 202 Hancock Ave., Norristown, Pa. (E. J- Lavino & Co.) ,TIMER, Horace L. (El) gox 282, West Lafayette, Ohio (Moore Enameling & Mfg. Co.) , .TIMER, Trent W. 104 16th Ave., Columbus 1, Ohio . *TTIN, Judson M. (R) J916 S. Clyde Ave., Apt. 402 Chicago 49, 111. (International-Harvester Co.) VaUGHLIN, HOMER, CHINA CO. ** (J. M. Wells) Newell, W. Va. lAURIE, Dominic (RI) Titanium Alloy Div., National Lead Co. Niagara Falls,' N.'Y.. r aWLESS, Emmett A., Jr. (S) Alton Brick Co.,' Alton, 111. jAWRENCE, Howard O. (W) Industrial Ceramics Ltd. Cooksville, Ont., Canada LAWRENCE, Ralph V. (R) 1.. 145 Leonard Dr., Concord, Calif. ' (Gladding, McBean & Co.) LAWRENCE, Walter F., Jr. (WI) 141 Morningside Rd., Verona, N. J. (RCA Victor) LAWRENCE, Willis G. (B) New York State College of Ceramics Alfred, N. Y. LAWSON, Louis, Jr. (W) West Virginia Pulp & Paper Co. Development Dept., Charleston, S. C. LAWSON, 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.) LAYNE, Fred A. (W) Louthan Mfg. Co. East Liverpool, Ohio LAYTON, Donald R. RJR. 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) bEAD INDUSTRIES ASSOCIATION (Robert L. Ziegfeld) 420 Lexington Ave. New York 17, N. Y. bE BELL, Rolf Casimir Pargas Kalkbergs Aktiebolag ABO Kakelfabrik Slottsgatan S2, ABO, Finland 1EBERKNIGHT, C. E. (GF) f'.- Kopp Glass, Inc. It; Box 82SS, Pittsburgh 18, Pa.. -.bEDDY, Robert M. (SI) Box 128, Hammonton, N. J. (Alliance Qay Product Co.) LED0IGT, Guy Societe Professionnelle Des Produits Prancais De Terre Cuite 23, rue de Cronstadt , Paris XV, France ,E CLAY PRODUCTS CO., INC. .(Martin S. Bowne) Clearfield, Ky. - \ Harley C. '(RF) asic Refractories, Inc. Hanna Bldg., Qeveland 15, Ohio I* 33, No. 10 (1954) LEE, James A. (S) 1328 Candler Bldg., Atlanta' 3, Ga. (Southern Brick & Tile Manufacturers Association) LEE, P. William (BI) 205 Elmwood Blvd., York, Pa. (Dentist's Supply Co. of New York) LEES, Arch A. (R) 411 Avon Dr., Pittsburgh 16, Pa. (Carborundum Co.) LEFFORGE, .J. W. (R) Monsanto Chemical Co. Everett Station, Boston 49, Mass. LEFORT, Henry G., Jr. (EJI) Box 134, R.R. 1, Upper Marlboro, Md. (National Bureau of Standards) LE HERON, Harold Etablissements Porcher Usines de Revin, Ardennes, France LEIBIG, Edward C. (G) Corning Glass Works, Coming, N.- Y. LEIBSON, J. S. (WI) Locke Dept., General Electric Co. Schenectady 5, N. Y. LEIGHTON, M. M. (XF) State Geological Survey 121 Natural Resources Bldg. Urbana, 111. LEIPOLD, Martin H,, Jr. 428 Seventh St., Fairview, N. J. LEITTEN, Carl F. (R) 50 Hawkins Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) LELAND, John A. (E) 469 Arbramar Ave. Pacific Palisades, Calif. (Douglas Aircraft Co.) LELIVELT, J. W. (E) Kelvinator Div., American Motors Corp. 1545 Clyde Park Ave., S.W. Grand Rapids 9, Mich. LEMMERMAN, Paul C. (R) E. I. du Pont de Nemours & Co. Grasselli Chemicals Dept. National City Bank Bldg. 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, Clarence 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.) LESAR, Albert R. (AI) 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 Metallurgies Veneta" Bassano del Grappa, Italy LETORT, Marc Yves Centre National d'Etudes et Recherches Ceramiques 3 Avenue Paul Doumer Paris 16, France LEVENGOOD, William C. (G) 4473--289th St., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) LEVI, Ormonde S. (G) Verd-A-Ray Corp. 615 Front St., Toledo 5, Ohio LEVIN, Ernest M. (B) National Bureau of Standards Div. 9.7, Washington 25, D. C. LEVY, Dorothy (D) 1212 Lincoln Ave., Highland Park, 111. LEWIS, Albert D. (G) Kimble Glass Co., Vineland, N. J. LEWIS, Charles F. (R) Volunteer Portland Cement Co. Knoxville, Tenn. LEWIS, Gordon E. (SI) Glen-Gery Shale Brick Corp. Box 182, Wyomissing, Pa. LEWIS, Howard S. (M) Wahpeton Pottery Co., Wahpeton, N. D. LEWIS, J. H. (G) Blue Ridge Glass Corp. Kingsport, Tenn. LEWIS, J. M. (W) Abingdon Potteries, Inc. Abingdon, 111. LEWIS, Robert T. Box 165, Alfred, N. Y. LEWIS, Wager (W) Hartford Faience Co. 271 Hamilton St., Hartford 6, Conn. LEWIS, William C. (G) Big Flats, N. Y. (Coming Glass Works) LIBBEY-OWENS-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. (WI) 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.) LINDQUIST, C. Alan, Jr. (WI) 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. (WFI) 42 Heiskell Ave., Wheeling, W. Va. (Wheeling Tile Co.) Roster 51 I ((N,\VOOD. Sidney . (W) " gtackpole Carbon Co., St. Marys, Pa. Arthur (E) h* Climax' Molybdenum Co. 500 Fifth Ave., New York 36, N. Y. .TTHtUM CORP. OF AMERICA, INC. ^ '\Valter M. Fenton) 2560 Rand Tower Minneapolis 2, Minn. tIi,LE, John M. (S) * Taylor Clay Products Co. Box 1128, Salisbury, N. C. jTTLETON, Joseph C. (G) * 231 Delevan Ave., Corning, N. Y. (Corning Glass Works) .jTTLETON, J. T. (Honorary, GF) *' Corning Glass Works, Corning, N. Y. , KINGSTON, Charles Q. (R) ^ Armstrong Cork Co., 'Lancaster, Pa. ` llVOVICH, 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) ri Kaiser Aluminum. & Chemical Corp. 1924 Broadway, Oakland, Calif, v i o, Wing-Cheuk j: 1531 E. 61st St., Chicago 37, 111. tOBAUGH, Frank E. (RI) t 1052 Sherman Ave., Plainfield, N. J. (Universal Atlas Cement Co.) ftOCHRIDGE, James F. (E) fe .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 Warner Ave., Louisville, Ky. (Corhart Refractories Co.) LONG, Bernard Glaces de Boussois 3 22, Boulevard Malesherbes f^auis 8, France |i; ) George R. (E) fj; Vigidaire Div., General Motors Corp. f: Dayton 1, Ohio IJONG, Jojm V. (G) Solar Aircraft Co. 2200 Pacific Highway - San Diego 12, Calif. " LONG, Luther L. (G) i, Owens-Corning Fiberglas Corp. Newark, Ohio "LONG, Robert (E) American Porcelain Enamel- Co. 1285 Keating Ave. Muskegon 36, Mich. bONG, Robert R. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. LONG, Russell E. (RI) Brush Beryllium Co. 4301 Perkins Ave., Cleveland 3, Ohio bONGENECKER, Robert J. (GJ) 46 James Rd,, Broomall, Pa. f (Foote Mineral Co.) sWNGFRITZ, Robert K. (RI) Brighton Brick Co. ft Box 256, New Brighton, Pa. bONGINO, Ted E. (W) fcFrankoma Pottery, Sapulpa, Okla. &NGWELL, Burton (E) . p: Republic Steel Corp. |L,'1423 Republic Bldg., Cleveland 1, Ohio ^Y, Frederick D. (GI) 857 Chestnut St., Parkersburg, W. Va. `lm,- rn'n8 Glass Works) i7Y, G. Edwin ~,ermic Dept., Rutgers University Brunswick, N. J. R. H. (WI) $ l^an Chemical Co. Hand IJldg., 101 Prospect Ave. N. W. taj^eveland 1S- Ohio fc SJ IDGE' Frederick A- (G> 1^ 2 Norwood Ave., Manchester, Mass. JSylvania Electric Products, Inc.) ?3, No, 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. (SI) 45 S. Culver St., Logan, Ohio (Straitsville Brick Co.) LOWE. Edwin C. (RJ) 2394 Murray St. Niagara Falls, Ont., Canada (Norton Co.) LOWE, George K. (RI) Charles Taylor Sons Co. Heights-Rockefeller Bldg., Rm. 210 Mayfield at Lee, Cleveland 18, Ohio LOWER, Clarence G. (S) New Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LOWER, Lloyd C. (S) 227 Washington St. New Bethlehem, Pa. (New Bethlehem Tile Co.) 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. (WI) 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. (WI) 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 Dr., 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. (WI) 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 Park 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. (WI) Akron Porcelain Co., Akron 14, Ohio McCANN, Sidney W. (El) Pfaudler Co. 1000 West Ave., Rochester 3, N. Y. McCARTT, Kenneth C. (W) 1408 Delaware Ave., New Castle, Pa. (Universal-Rundle Corp.) McCLAVE, James W. (SI) Box 67, Toronto, Ohio (Peerless Clay Corp.) McClelland, Roland h. (wd 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. (RI) American Refractories & Crucible Co. North Haven, Conn. Roster 53 lieCOMAS, Clarence B. (G) ** T. C- Wheaton Co., Millville, N. J. CONNELL,* Clifford T. Bbx 2161, Georgia Tech., Atlanta, Ga. ^CONNELL, G. F. (W) " Mosaic Tile Co., Zanesville, Ohio i/cCORMICK, John M. (G) ** 2356 Cheltenham Rd., Toledo 6, Ohio (Owens-Illinois Glass Co.) UcCORMICK, Stewart W. (R) " Corhart Refractories Co. 1600 W. Lee St., Lousiville, Ky. jtCOY, NELSON, POTTERY CO. " (Nelson McCoy Melick) Roseville, Ohio UcCOY. William (M) 1219 24th.St., N.E., Canton 4, Ohio (American Encaustic Tiling Co.) jIcCREERY, George L. (W) 393 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) ucCREIGHT, D. O. (R) 15 Willow Terrace Dr., R.R. 2, Box 290 Library, Pa. (Harbison-Walker Refractories Co.) UcCREIGHT, Louis R. (R) R.R. 1, 67 Hillandale Dr. Ballston Lake, N. Y.. (General Electric Cp.) WcDANEL, Donald W. (W) McDanel Refractory Porcelain Co. Beaver Falls, Pa. UcDANEL, Melvin W. (R) n R.R. 3, Beaver Falls, Pa. (McDanel Refractory Porcelain Co.) :ijT: jfcDANIEL, L. L. (R) Phelps Dodge Corp. Morenci Branch, Morenci, Ariz. jlcDERMOTT, James J., Jr. (G) 136 William St., New York 38, N. Y. (Owens-Illinois Glass Co.) McDonald, e. f. (ei) Ingram-Richardson Mfg. Co. Beaver Falls, Pa. McDONALD, Howard A. (B) 2375 Minor Ave., N., Seattle, Wash. (Penberthy Instrument Co.) TcDOUGAL, Taine G. (WFI) j 1117 South Dr., Flint 3, Mich, and Ha'penny House Somerset Bridge, Bermuda McDOWELL, J. Spotts (RF) 4716 Bayard St, Pittsburgh 13, Pa. (Harbison-Walker Refractories. Co.) McDOWELL, Samuel J. (BFI) 52 Elm Ave., Metuchen, N. J. (American Lava Corp.) McELRQY,' R. H. (MI) International Clay Machinery Co. l . 1145 Bolander Ave.. Davton, Ohio i McEVOY, Robert J. (RI) Engineering Div. Owens-Coming Fiberglas Newark, Ohio McFARLAND, James E. (E) 14025 Greenbay Ave., Chicago 33, 111. (Inland Steel Co.) McGEAN, Ralph L. (E) Midland Bldg., 101 Prospect Ave., N.W. Cleveland 15, Ohio (McGean Chemical Co.) McGEE, Thomas D. (RI) Research Laboratory A. P. Green Fire Brick Co. Mexico, Mo. McGill, William M. (S) Virginia Geological Survey Box 1428, University Station Charlottesville, Va. McGOHAN, G. William (E) Armco Steel Corp., Middletown, Ohio McCOLPIN, William C. (S) Rm. 403, 57 Bloor St., W. ., Toronto 5, Ont., Canada McGRAW. Delford A. (G) 4101 Garden Park Dr., Toledo 13, Ohio ! (Owens-Illinois Glass Co.) -Hose, l. h., inc. (M. M. McHose, Jr.) Box 47 Perth Amboy, N. J. IV 33, No. 10 (1954) McHOSE, M. M,, Jr. (M) L. H. McHose, Inc. Box 47, Perth Amboy, N. J. McINTOSH, Harold W. (G) American Window Glass Co. 9 W. Park Way, Pittsburgh 12, Pa. McINTOSH, William A. (S) West Virginia Pulp & Paper Co. Polychemicals Div. Charleston 4, S. C. McIntyre, g. h. (efi) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio McKAIG, W. Wallace (R) Cumberland Steel Co., Cumberland, Md. McKEAND, Irvin J. Minneapolis-Honeywell Regulator Co. Research Center 500 Washington Ave. S. Hopkins, Minn. McKEEN, Richard D. (Ml) 2648 Robinson Blvd. Pittsburgh 21, Pa. (Swindell-Dressler Corp.) McKENDRICK, Alexander Glenboig Union Fire Clay Co., Ltd. Glenboig, Lanarkshire, Scotland McKENNA, John F. 95-20 240th St. Bellerose 26, N. Y. McKEOWN, J. Duncan (R) Carborundum Co. 601 American Bldg., Cincinnati 2, Ohio McKEOWN, Thomas H. (M) Box 31, Metuchen, N. J. (E. I. du Pont de Nemours & Co., Inc.) McKIBBEN, Burt H. (E) Niles Rolling Mill Div., Sharon Steel Corp., Niles, Ohio McKINLEY, Theodore D. (E) E. I. du Pont de Nemours & Co. Newport, Del. McKINNIE, J. R. (R) 3813 Hoke Ave., Culver City, Calif. (Ideal Chemical Products, Inc.) McKINNIS, Charles L. (I) Midwest Research Institute 4049 Pennsylvania Ave. Kansas City 11, Mo. McKINSTRY, Herbert A. Box 391, State College, Pa. McLACHLAN, Eugene K. (R) Mellon Court, Westmont, Johnstown, Pa. (Bethlehem Steel Co.) McLAIN FIRE BRICK CO., DIV. OF H. K. PORTER CO., INC. (Lawson E. Mason) Ceramic Engineering Dept. Wellsville, Ohio McLANE, James P. (M) Diamond Pottery Corp. 50--56 China St., Crooksville, Ohio MCLAREN, Henry D. (E) . Ferro Enamels (Canada) Ltd. Box 37, Oakville, Ont., Canada McLaren, John (M) Broadview Circle, East Liverpool, Ohio (Sales Representative) MCLAREN, Malcolm G. 7 Boileau Ave., Easton, Pa. McLaughlin, John l. (E) 564 S. Craig PI., Lombard, 111. (Finish Magazine) McLaughlin, Joseph k. (wi) Red Wing Potteries, Inc. Red Wing, Minii. McLaughlin, William h. (R) . Alsey Brick & Tile Co., Alsey, 111. McMAHON, John F. (XFI) Alfred, N. Y. (New York State College of Ceramics) McMAHON, John F., Jr. (GJ) Apt. H-4, Oakwood Gardens Apts. Lansdale, Pa. McMASTER, Harold A. (G) Permaglas, Inc., Genoa, Ohio McMULLEN, John C. (R) 9325 Rivershore Dr. Niagara Falls, N. Y. (Carborundum Co.) McMURDIE, Howard F. (BF) National Bureau of Standards Washington 25, D. C. McMURTRY, Carl H. Box 255, Alfred, N. Y. McNAMARA, E. P. (WFI) Cambridge Tile Mfg. Co. Box 71, Cincinnati 15, Ohio McNAUGHTON, Ronald R. (B) Central Technical Library Consolidated Mining & Smelting Co. of Canada, Ltd., Trail, B. C-, Canada McNEILLY, Clyde, Jr. Box 827, Alfred, N. Y. McPHAIL, Dan (R) American Clay Forming Co. Tyler, Texas McQUARRIE, Malcolm C. (B) 105 E. Nittany Ave., State College, Pa. (Pennsylvania State University) McRITCHIE, Frank H. (S) Mellon Institute, Pittsburgh, Pa. McVAY, T. N. (XFI) 10 Oakwood Court, Tuscaloosa, Ala. (University of Alabama) McWALTER, H. G. (R) 731 Forrest Ave., Jenkintown, Pa. (Laclede-Christy Co.) McWilliams, Robert j. (Ei) Pfaudler Co. (Elyria Div.) Taylor St., Elyria, Ohio M MacALPINE, William M. (X) 357 E. Main St., Somerville, N. J. (Johns-Manville Research Laboratory) MacDONALD, James E. (R) McFeely Brick Co., Latrobe, Pa. MacDONALD, R. W. (WI) 109 Bent Oak Dr., Shavano Park Box 661, R.R. 11, San Antonio, Texas (Aztec Ceramics,, Inc.) MacINTYRE, Donald J. (W) R. R., Pifford, N. Y. (Lapp Insulator Co., Inc.) MACKASEK, Edward (E) Porcelain Enamel Institute Dupont Circle Bldg. 1346 Connecticut Ave., N.W. Washington 6, D. C. MACKENZIE, James United Steel Companies Ltd. Research & Development Dept. Swinden House, Moorgate Rotherham, England MacKENZIE, James T. (R) Box 2603, Birmingham 2, Ala. (American Cast Iron Pipe Co.) MacKIE, L. Douglas (E) International Ceramic Mining, Ltd. 577 Eglinton Ave., W. Toronto, Ont., Canada MacLEOD, John United Fireclay Products, Ltd. Bathville Office Armadale, West Lothian, Scotland . MacPHERSON, Charles R. (G) Owens-Coming Fiberglas Corp. Fairfax Industrial District Kansas City, Kansas MacRAE, John (G) Fiberglas Canada Ltd. Box 309, Guelph, Ont., Canada MAC ZURA, George (RJI) 1913 Magdalena Ave. East St. Louis,- 111. (Alcoa Research Laboratories) MADDEN, Jesse F. (W) Page-Madden Co., Inc. 76-96 Second St., Box 110 Mineola, N. Y. Roster 55 j <! 1; jMDDEN, Robert C. (R) '315 Pint' 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.) i{ADSEN, Leif Egil Box 4208,' Sandakervn 109/111 Oslo, Norway (A/S Den Norske Slipeskivefabr.) JJAGIC CHEF, INC. (Arthur Stockstrom) 1641 S. Kingshighway St. Louis 10, Mo. jIAGID, H. S. (WI) American Radiator & Standard Sanitary Corp., Box 907 Trenton 5, N. J. jIAGNUSON, J. W. (M) Western Feldspar Milling Co. Box 671, Salida, Colo. ' yAHESHWARY, Ved P. . Govt. Central Pottery Agency Sonepatr. Punjab, India yAHIER, Lois W. (D) 4535 Harding Blvd., Baton Rouge, La. MAHONEY, Frank B. (E) Richmond Radiator Co. Box 111, Metuchen, N. J. MAHURIN, Frank R. (R) 638 Clower St., San Antonio, Texas. jfAIOR, 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. (RI) - 233 Beverly Rd., Worcester 5, Mass. MANDEL, Charles J. (WI) Willette Corp. of New Jersey Codwise Ave. & Reed St. New Brunswick, N. J. MANDLE, Richard M. (G) Rare Earths, Inc. Box 488, Pompton Plains, N. J. MANN, George H. (G) Lake Salubria, Bath, N. Y. (Corning Glass Works) MANNING, R. Douglas (D) Harker' Pottery Co. East Liverpool, Ohio MANOUSEK, Miloslav Jatecni 23, Praha VII, Czechoslovakia MANRING, Jack C. (SJI) R.R. 1, South Charleston, Ohio (Westirighouse Electric Corp.) MANRING, Wiliam H. (G) Calumite Co. Box 151, Hamilton, Ohio MANSFIELD SANITARY POTTERY, INC. (Perry E. Draper) - Perrysville, Ohio ; -MANZ, Oscar E. (S) : Box 516, University Station Grand Forks, N. D. (University of North Dakota) MARCH, Joseph W. (S) Nova Scotia Technical College Halifax, N. S., Canada MARCOWKA, Chester A. (E) i 3331 S. 58th Court, Cicero 50, 111. (Armour Research Foundation, Illinois Inst, of Technology) - Marcus, Leon (i) ! 519-B Tulip Rd., State College, Pa. ?0L, 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. (WI) 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.) Coalboumhill Glass Works Stourbridge, Worcester, England MASON CITY BRICK & TILE 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.AZIONI (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. MATHIESON, George W. (G) 2253 Castlewood Dr., Toledo 13, Ohio (Kimble Glass Co.) MATHIESON, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave., New York 20, N. Y. MATHIEU, Louis A. Parra Mantois, 11 Chemin de Ronde Le Vesinet (S&O) France MATHON, Charles Materiali 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. MATTHEWS, 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 MAUPIN, Addison (RI) 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. Roster 57 iiui a, jr. (O) 4335 Norma Dr., South Euclid, Ohio (Horizons Inc.) .yBERRY, Ma'rshall L. ^4812'Myrtle St., Lynchburg, Va. waYER. Walter S. (W) " Jiayer China Co. Box S'61, Beaver Falls, Pa. .(AYFIECD, Manville J. (WI) 706 Clayton Ave., Chattanooga 4, Tenn. ((American Lava Corp.) uAYNARD, Fred A. (M) M S45 E. 250th, Euclid, Ohio (Harshaw Chemical Co.) UAYNARD. Frederick H. (G) ** Corning Glass Works. 1` Jackson St., Wellsboro, Pa. KAYS, George A. (S) Niles, Calif. (California Pottery Co.) UAZZETTI, M. (W) S/A I. R. F. Matarazzo Brazil Export Corp. 50 Broadway, New York 4, N. Y. UEDERT, Warren C. (G) . 7$7 Deshler Ave., Columbus 6, Ohio (Owens-Illinois Glass' Co.) jfEEKA, Edward (S) Metropolitan Clay Inc. Box 27, East Palestine, Ohio BEHARG, Laurence (G) Hazel-Atlas Glass Co. 15th & Jacobs St., Wheeling, W. Va. j(EID, William J. (R) 203 Elm St.. Glenview, 111. . (Lindberg Engineering Co.) BEINKEN, Robert H. (BJ) 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) 1 jelson McCoy Pottery Co. /oseville, Ohio kELOY, C. L. (BI) S . Res. Dept., Rm. A406 ' 3s 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. XERBLER, Wallace (GI) Meadowbrook Apts. 77, Corning, N. Y. (Corning Glass Works) XERCK, Walter J. (RI) 25 Addison Dr., Short Hills, N. J. (M. W. Kellogg Co.) MEREDITH, Neil F. (WI) 7024 Oakwood Rd. Parma Heights, Ohio (Basic Refractories, Inc.) ERIWETHER, B. Corbin (W) Deena Products Co., Arlington, Ky. "ERKEL, W. H. (SJ $ W. A. Riddell Co. % American Qay Machinery Div. . Bucyrus, Ohio JyRLINI, Ing. Francesco Colonnata, Florence, Italy *eRRIAM, Jack G. (RI) .C- ^27 N. Wildwood, Mundelein, 111. (Titanium Alloy Mfg. Div., ^National Lead Co.) "RRIMAN, Seth G. (G) S '"J22 Lincolnshire Blvd. Toledo 6, Ohio jimble Glass Co.) ITT, Clarence W. (WFI) , *>* 464, Alfred, N. Y. (New York State College of Ceramics) fc-33. No. 10 (1954) ivinKKii 1, tester M. (WI) 654 Wilson Ave., Columbus 5, Ohio (Industrial Commission of Ohio) MERRY, E. B., Jr, (SI) Merry Bros. Brick & Tile Co. 415 Masonic Bldg, Augusta, Ga. MERRY, W. H. (E) 380 E. End Ave, Beaver, Pa. (Richmond Radiator Co.) MERWIN, Byron W. (W) Parkway Rd, R. R. 2 East Liverpool, Ohio (Hall China Co.) MERZ, George Avenida Delfim Moreira, 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 Dr, Farquhar Estates York, Pa. (Hardinge Co, Inc.) METZGER, A. J. (RI) Dept, of Ceramic Engineering Virginia Polytechnic Institute Blacksburg, Va. METZGER, H. C. (M) E. E. Zimmerman Co. 1704 Keenan Bldg., Pittsburgh 22, Pa. MEULI, William P. 4509 19th Ave, N. E. Seattle 5, Wash. MEXICO REFRACTORIES CO. (C. A. Smith) Mexico, Mo. MEYER, G. Robert (GJ) 1333V1 Utah St, 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 St, St Louis 1, Mo. MEYER, William W. (W) R. R. 1, Box 632, Annandale, Va. (U. S. Tariff Commission) MEYERHOFER, E. A. Meyerhofer & Co, Forchstrasse 2 Zurich 32, Switzerland MEYER-SCHOLER, Hans Carl Spittelerstrasse 1 Liestal, Switzerland (Tonwerk Lausen AG) MICHAEL, Frank L. (El) 319 Norboume Blvd, St. Matthews Louisville 7, Ky. (General Electric Co.) MICHEL, Howard (E) 1513 E. 15th St, Tulsa, Okla. (Porcelain Enamel, Inc.) MICHEL, S. 9 Rue Deves, Neuilly-S-Seine, France (Societe Anonyme des Etablissments G. Devincau) MICHELOTTI, Joseph E. (WJI) 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 St, Latrobe, Pa. (Stupakoff Ceramic & Mfg. Div, Carborundum Co.) MIDDLESWARTH, Earl T. (G) 1819 Kimball Ave, Arnold, Pa. (Pittsburgh Plate Glass Co.) MIDDLETON, George J. (W) 432 Fifth St, Manhattan Beach, Calif. (L. H. Butcher Co.) MIDGET I E, Willard B. (G) Demuth Glass Works, Inc. Box 629, Parkersburg, W. Va. MIKE, Thomas M. 40 West St, Homell, N. Y. MILANI, Helio Box 827, Alfred, N. Y. MILDWOFF, 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, Inc, Sebring, Ohio MILLER, Boyd C. (S) Miller Equipment Co. Box 1566, Salisbury, N. C. MILLER, E. R. (W) Washington Porcelain Co. Willow St, Washington, N. J. MILLER, Edmund H. 910 Poplar St, Austin, Texas MILLER, Fred M. (R) The Brynwood, Apt. A-24 Wynnewood, Pa. (General Refractories Co.) MILLER, Fred W. (W) Franklin ManoT, 114 Franklin St. Bldg. 8, Apt. B-2, Morristown, N. J. (Carborundum Co.) MILLER, Grant E. (El) Ferro Corp, 4150 E. 56th St. Cleveland 5, Ohio MILLER, Harold (E) 5736 N. Talman Ave, Chicago 45, 111. (Ohmite Mfg. Co.) MILLER, Harold D. (M) 189 Circle Dr, Plandome Ivfanor Long Island, N. Y. (B. F. Drakenfeld & Co, Inc.) MILLER, Howard L. (RI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MILLER, James L. (R) 131 Peach St, Park Forest, 111. (Norton Co.) MILLER, John B. (MI) Third St, Lewiston, N. Y.. (Titanium Alloy Mfg. Div, National Lead Co.) MILLER, John W. (W) New Castle Refractories Co. New Castle, Pa. MILLER, Jorge Smith Casilla 187, Cristalerias de Chile S. A. Santiago, Chile MILLER, Marlin, Jr. 1733 Southwood Ave, South Bend, Ind. MILLER, O. E. (R) Pyro Refractories Co. Box 466, Oak Hill, Ohio MILLER, Robert A. (GF) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. MILLER, R. V. (W) Sovereign Potters Ltd. 282 Sherman Ave. N. Hamilton, Ont, Canada MILLER, Russel A. (WI) 251 E. Rockland St 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 St, Pittsburgh 18, Pa. MILLER, William A. (R) Carborundum Co, Falconer, N. Y. MILLICAN, Kenneth L. (R) Aluminum Co. of America 3300 Missouri Ave, East St. Louis, 111. Roster 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. (SI) 444 W. North Ave. East Palestine, Ohio (Natco Corp.) jjILLIKEN, Frank H. (S) Bowerston Shale Co., Bowerston, Ohio UIIXIKEN, Jobn.H. (X) i Natco Corp., East Canton, Ohio JJILLIKEN, Joseph Edward (I) 228 W. Woodruff Ave. Columbus 1, Ohio NILLIKEN, William M. Cleveland Museum of Art Cleveland 6, Ohio MILLIKEN, William U. Box 847, Alfred, N. Y. HILLMAN, Nathan (M) J. M. Huber Corp., Huber, Ga. MILLS, G. Alexander (B) Houdry Process Corp., Box 427 Marcus Hook, Pa. MILLS, R. Gerald ' CheMet Program, Bldg. 22, Room 234 General Electric Co. Schenectady S, ,N. Y. MILTON BRICK CO., LTD.. (D. T. Green) Box 554 Milton, Ont., Canada MINER, Reginald R. (R) 412 W. Chestnut Ave., Metuchen, N. J. . (Carborundum Co.) MINK, John D. (G) R. R. 2, Dunkirk, Ind. (Armstrong Cork Co.) MINNICK, L. John (R) 306 Boyer Rd., Cheltenham, Pa. (G. & W. H. Corson) MINSHALL, John B. (R) 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 (BFI) School of Ceramic Engineering Georgia Institute of Technology Atlanta, Ga. MITCHELL, Russell G. (R) R. R. 1, Dutch Ridge Rd. Beaver, Pa. (McDanel Refractory Porcelain Co.) MITOFF, Stephan P. 1839 Delaware St., Berkeley 3, Calif. MITRA, H. K. (I) 12 A Road East Jamshedpur E.R., India (Tata Iron & Steel Co., Ltd.) MIXER, William G., Jr. (W) 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. Modigliani, Piero (G) Modigliani Glass Fibers, Inc. Box 18, Lancaster, Ohio Vol. 33, No. 10 (1954) MODRONE, Raimondo Visconti di Soc. Ceramics Richard Ginori Milan, via Bigli, 1 Italy MOEBUS, C. R. (M) United Qay 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. (RI) 315 W. Walnut St., Lock Haven. Pa. (North American Refr. Co.) MOHANTY, Gajendra Nath (I) Ceramic Engineering Dept. School of Mines & Metallurgy Rolla, Mo. MOHL, Helmuth (W) Fabrics de Loza "La Favorita" S.A. Palma Norte 308, Despacho 312 Mexico, D. F. MOHLER, Neal F. (SI) Champion Brick Co. 7600 Pulaski Highway, Baltimore 6, Md. MOHR, William C. (WI) Shenango China, Inc., New Castle, Pa. MOHUN, William A. (R) General Abrasive Co., Inc. 2000 College Ave., Niagara Falls, N. Y. MOLER PRODUCTS, LTD. Hythe Works Colchester, Essex, England MOLINA, Joao Jemandes Gimenes Ceramica Sanitaria Porcelit, S.A. Rua Itapura 626, Sao Paulo, Brazil MOLLER, J. Aall Porsgrunds Porselaensfabrik Porsgrund, Norway MONACK, A. J. (G) Box 305, Rutherford, N. J. (Consultant) MONAGLE, William T. (E) Lloyd Ave., Stanhope, N. J. (Reaction Motors, Inc.) MONDAY, John C. (R) Hevi Duty Electric Co. 4212 W. Highland Blvd. Milwaukee, Wise. MONETA, Fausto Via Mambretti 9, Milano, Italy MONG, Lewis. E. (R) 8506 Loughborough PI. Chevy Chase 15, Md. (National Bureau of Standards) MONINGER, Richard E. (W) Park Blvd., East Liverpool, Ohio (Wellsville China Co.) jlONK, Clarence B., Jr. (S) Structural Qay Products Res. Fdn. 20 N. Wacker Dr., Chicago, 111. MONKS, J. R. (G) 941 Danforth St., Alton, 111. (Owens-Illinois) MONROE, Graham D., Jr. Box 3019 Georgia Institute of Technology Atlanta, Ga. MONTAGNO, Antonio M. (E) 69 Glenmont Ave., Columbus 14, Ohio (Inland Engineering Co.) MONTEMAYOR, Ponciano S,, Jr. Box 1081 Monterrey, Nueva Leon, Mexico ' MONTGOMERY, Daniel (SJ) 23 N. Buckey St., Crooksville, Ohio (Watt Pottery Co.) MONTGOMERY, Earle T. (WFI) 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 MONTGOMERY, Thomas B. (R) Pittsburgh Plate Glass Co. 632 Ft. Duquesne Blvd. Pittsburgh 22, Pa. . MONTGOMERY, Wayne C. (W) Aluminum Co. of America 230 Park Ave., New York 17, N. Y. MOODY, H. Leslie (D) Hyalyn Porcelain, Inc., Box 460 Hickory, N. C. MOODY, Willis E. (XI) 210 E. Franklin St., Raleigh, N. C. (North Carolina State College) MOONEY, Edward L. (W) General Laboratory Assoc., Inc. Norwich, N. Y. MOONEY, William F. (W) 7445 Etiwanda Ave., Reseda, Calif. MOORE, Carleton B. Box 96, Alfred, N. Y. MOORE, Charles H. (R) P. R. Mallory & Co., Indianapolis, Ind. MOORE, Dwight G. (EFI) Mineral Products Division National Bureau of Standards Washington 25, D. C. MOORE, H. Dept, of Glass Technology University of Sheffield Elmfield, Northumberland Rd. Sheffield 10/England MOORE, Henry (G) 38 Potter Ave. West New Brighton Staten Island, N. Y. (Metro Glass Co.) MOORE, James M. (S) Ashe Brick Co., Van Wyck, S. C. MOORE, John G. (W) 405 E. Poplar St., Robinson 2, 111. (W. A. Case & Son.Mfg. Co.) MOORE & MUNGER (Murray Rushmore, Jr.) 33 Rector St. New York 6, N. Y. MOORE, Richard S. (RI) Harbison-Walker Refractories Co. Farmers Bank Bldg., Pittsburgh 22, Pa. MOORE, Robert F. (R) Apt. B, Bldg. 68, 68 W. Steuben St. Crafton, Pittsburgh 5, Pa. (Jones & Laughlin Steel Co.) MORAN, J. J. (G) Landis Ave. & Spring Rd. Vineland, N. J. (Kimble Glass Co.) MORELL, N. L. (M) 313 Union Bank Bldg., Bethlehem, Pa. (N. L. Morell Co.) MORENA, Alfred (WJI) 90 Hazel St., Oifton, N. J. (Mucon Corp.) MORGAN, John M. 720 Rankin Ave., Schenectady, N. Y. MORGAN, Raymond W. (R) Koehler & Morgan Co. 12099 Woodbine, Detroit 39, Mich. MORGAN, Robert A. (WI) Pass & Seymour, Inc., Syracuse, N. Y. MORGAN, Stuart F. (WI) "Marshnere", Mattapoisett Neck Rd. Mattapoisett, Mass. (J. I. Paulding, Inc.) MORGAN, Willard L. (G) 117 Hibiscus Dr., Pittsburgh 35, Pa. (Consultant) MORGAN, William R. (GFI) 1343 Brookwood, Birmingham, Mich. (Peninsular Grinding Wheel Div. Abrasive & Metal Products Co.) MORNIN, Bob L. (WI) 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.) Roster 61 jjORRIS, Frank (W) p 236 Greenpoint Ave. ' Brobklyn 22, >N. Y. (Leviton Mfg. Co., Inc.) MORRIS, George J. (W) * Research Dept., Ferro Corp. 4150 E. 56th St., Cleveland, Ohio woRRIS, Irvine H. (W) -' Ferro Corp., 4150 E. 56th St. j Cleveland, Ohio rtORRIS, John L. (W) 14427 Allingham, Norwalk, Calif. % (Durochrome Decalcomania Co., Inc.) jjORRIS, Kent B. 202 Evans Dr., Decatur, Ga. jjORRIS, Paul R. (G) Pittsburgh Plate Glass Co. -- Creighton, Pa. jjORRIS, W. C. (G) 1251 Mayfield Ridge, Cleveland 24, Ohio (Harshaw Chemical Co.) * ljORRISON, Boone H. (G) B. F. Drakenfel'd & Co., Inc. * Box 519, Washington, Pa. ' jjORRISON, R. F. (M) r 384 Gulf Rd., Elyria, Ohio ' (Harshaw Chemical Co.) jjORRISON, Wallace S. (E) 840 Cedar St., Rockford,- 111. (Illinois Water Treatment Co.) JfORSE, Arthur E. Euclid Beach Trailer Park 45 Lincoln Dr., Cleveland 10, Ohio jjORSE, Clifford E. (G) Dominion - Glass Co., Ltd. V Box 190, Montreal; Que.; Canada MORSE, George T. (WF) 7 Longview Rd., Metuchen, N. J. (United States Gypsum Co.) MORTON POTTERY CO. (S. W. Rapp, Jr.) Morton, 111. MORTON, William A. (R) 46 Standish Blvd., Mt. Lebanon Pittsburgh 28, Pa. (Loftus Engineering Corp.) MOSAIC TILE CO. _ _ Zanesville, Ohio f j)SER, Berthold B. / Industria Ceramica, Ltda. Apartado Aereo 4829, Bogota, Colombia MOSER, John B. (W) 214 South A St., Monmouth, 111. ~ (Western Stoneware Co.) MOSER, John L. (RI) 1210 Acorn Dr., Dayton 9, Ohio (Carborundum Co.) MOSS, LeRoy L. (El) Walnut Hills Rd., Cleveland 22, Ohio (Ferro Corp.) MOTSCH, F. R. (G) - Foster-Forbes Glass Co., Marion, Ind. MOULD, W. J. (W) Steubenville Pottery Co. Steubenville. Ohio MOUNT CLEMENS POTTERY CO. (Charles E. Doll) ' Mount Clemens, Mich. MOURAUD, Paul H. (W) . 14 Ingleside Rd. Upper Montclair, N. J. (Page-Madden Ceramic & Lava Co.) MOWREY, Fred W. (G) 108 Rodgers Dr., New Kensington, Pa. (American Window Glass Co.) MUELLER, Edward E. (RI) School of Mineral Engineering University of Washington Seattle 5, Wash. : MUELLER, Ferd A. (R) 1360 Rudd. Canon City, Colo. (Freeman Fire Brick Co.) .MUELLER, James I. .(B) 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 Div, 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. (El) 965 Lafayette Ave., Buffalo 9, N. Y. MULRYAN, Henry (R) Sierra Talc & Clay Co. Box 390, South Pasadena, Calif. MULVANE, O. E. (E) 4138 N. 21st St., Milwaukee 9, Wise. (A. O. Smith Corp.) MUNDY, O. S. (WI) 426 Park Ave., Wheaton, 111. (Western Electric Co.) MURGATROYD, John B. Rockware Glass, Ltd., Rockware Ave. Greenford, Middlesex, England MURPHY, Harry T. (R) Qimax Fire Brick Co., Climax, 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 MURRAY, Maurice A. (WI) 502 Somerset St. North Plainfield, N. J. (Isolantite Mfg. Corp.) MURRAY, Robert S. (G) B. F. Drakenfeld & Co., Inc. Washington, Pa. MUSSELMAN, H. G. (G) 4413 Old Frederick Rd. Baltimore 29, Md. (Carr-Lowrev Glass Co.) MUTTITT, F. C. (R) Algoma Steel Corp. Sault Ste. Marie, Ont., Canada MYCALEX CORP. OF AMERICA (Richard A. Humphrey) Clifton Blvd., Clifton, N. J. MYERS, C.` H. (R) Utah Fire Clay Co. Box 127, Salt Lake City, Utah MYERS, Charles V. (W) Eljer Co., Third Ave., Ford City, Pa. MYERS, Wilbur C. (B) 2401 Malden Rd., Cleveland 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, H. Henry jbj Armour Research Foundation of Illinois Institute of Technology 3427 S. Federal St., Chicago 16, 111. 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. (DF) 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 LIME 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 Co, Inc, Summerville, Pa. NEELY, Homer E, Jr. (G) 404 E. 11th Ave, Tarentum, Pa. (Pittsburgh Plate Glass Co.) NEFF, Edward D. (R) Box 205, Templeton, Pa. (Harbison-Walker Refractories Co.) NEFF, John M. (R) Armour Research Foundation 10 W. 35th St, Chicago 16, 111. NEFF, Russell C. (R) General Refractories Co. Olive Hill, Ky. NEIMAN, Robert (R) Whip-Mix Corp, Inc. 411 W. Avery Ave, Louisville 8, Ky. NELLES, Maurice (D) Borg-Wamer Central Research Lab. 706 S. 25th Ave, Bellwood, 111. NELSON,. Forrest W. (El) 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 Roster 63 (JELSON, JCarl E. (W) Hetzel Lane, R. R. 5 Chattanooga, Tenn. (American Lava Corp.) jjELSON, Robert E. (G) 17 Seneca Manor Dr. feneca Falls, N. Y. Sylvania Electric Products, Inc.) jjELSON, Robert T. (R) Columbia-Geneva Steel Division Box 510, Provo, Utah jjELSON, Theodore W.- (M) Socony-Vacuum Laboratories Research & Development Dept. Paulsboro, N. J. . jjELSON, William I. (GJ) 118 Mary St., Binghamton, N. Y. (Solvay Process Div., Allied Chemical & Dye Corp.) jjERENSTONE, Marc A. (XJ) 311 W. 75th St., New York 23, N. Y. jJETTER, William. S; (G) 18081 Mendota Ave., Detroit 21, Mich. (Peninsular Grinding Wheel Ctf.) JJETZSCH, Eric Maschinenfabrik Gebrueder Netzsch WerkstraSse 19 Selb (Bayern), Germany JJEUHAUS, Jacques 18 Rue Charles Laffitte Neuilly Sur, Seine, France (Societe Jean Neuhaus) NEUMANN, Paul. D. (G) 2 Knox St., Campbell, N. Y. (Corning Glass Works) NEW, Ryland J.' (S) National Sewer Pipe Ltd. Box 36, Oakville, Ont., Canada NEWARK, Frank F; (W) Aluminum Co. of America 1450 Terminal Tower Cleveland 13, Ohio NEWARK, Martin (S) $ --.Simonds Abrasive Co. (Tacony & Fraley Sts. ' Philadelphia 37, Pa. W- NEWBOLD GENERAL REFRACTORIES, 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 JERSEY PORCELAIN CO. (J. M. Gilfillan) Box 908 Trenton 5, N. J. NEWKIRK, Terry F. (B) Portland Cement Association Fellowship National Bureau of Standards Washington 25, D. C. NEWMAN, Robert W. (G) 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. pi NlEMAN, A. H. (G) Ohio Lime Co., Woodville, Ohio )IKLEWSKI, B. K. Main Enamel Mfg. Co., Ltd. Gothic Works, Angel Rd. Edmonton, London, N. 18, England Niles fire brick co. (J. R. T. Clingan) 165 E. Park Ave. Niles, Ohio 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. (SJI) 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, 111. (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 PHILIPS CO., INC. (C. J. Woods) Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. NORTH AMERICAN REFRACTORIES CO. (E. M. Weinfurtner) 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. (RF) 161 E. 42nd St... New York 17, N. Y. (Babcock & Wilcox Co.) NORTON CO. (O. J. Whittemore, Jr.) Worcester 6, Mass. NORTON, Frederick H. (BFI) Dept, of Metallurgy Div. of Ceramics Mass. Institute of Technology Cambridge 39, Mass. NORTON, James M. (R) 125 Kent Blvd., Salamanca, N. Y. (C. B. Norton & Son Co.) 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.) NOWELL, 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. TM) 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. (RF) 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. OHIO BRASS CO. (J. J. Taylor) Barberton, Ohio OHIO CLAY CO. (Norman E. Denison) Box 1776, Cleveland 5, Ohio OHIO LIME CO. (A. H, Nieman) Woodville,. Ohio OHLIGER, Lewis P. (G) 209 Ridgeview Dr. 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. Roster 65 LIVE, Frapk C. (R) 509 Chamber of 'Commerce Bldg. Indianapolis 4, Itfd. . LIVER, John C. (E) . Porcelain Enamel Institute Dupont Circle Bldg. '146 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. (El) 1137 Grant St., Evanston, 111. (Armour Research Foundation) OLSON, E. E. (G) A. H. Heisey & Co., Newark, Ohio OLSON, Hjalmar Aktiebolaget Gustavsbergs Fabriker Gustavsberg, Sweden OLSON, Ole A. (R) 5 Wrenwood Court Webster Groves 19, Mo. (Laclede-Christy Co.) ONONDAGA POTTERY CO. (R. H. Pass) 1856-58 W. Fayette St. Syracuse 4, N. Y. 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. 0REFRACTION, INC. (Albert L. Kreuer) 7425 Thomas St. Pittsburgh 8, Pa. ORME, William C. (G) Cambridge Glass Co., Cambridge, Ohio ORMSBY, Walter C. V 214-Fairmount Ave., State College, Pa. S.: /NELLA, LeRoy F. (GJ) Ui 3206 Upton Ave., Toledo 6, Ohio (Glass Fibers, Inc.) , .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. (SI) 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. Water 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, No. 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 OWENS-ILLINOIS (E. W. Summers) General Engineering Dept., Alton, 111. OWENS-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. PACIFIC COAST BORAX CO. (M. H. Pickard) Div. of Borax Consolidated, Ltd. 100 Park Ave., New York 17, N. Y. PACKMAN, Willard D. (WI) 1759V* Dale Rd., Cincinnati 37, Ohio (Cambridge Tile Mfg. Co.) PADEN CITY POTTERY CO. (Merrill 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 PAGE-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 i.'U4d, - v . _ . (Carborundum Co.) PALMER, Rufus N. (M) 476 Broadmoor Ave., Pittsburgh 34, Pa. (Consultant) PALMER, Willard E. (WI) 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 (XJ) 1100 Peace St., Pella, la. PAPER MAKERS IMPORTING 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. (WI) 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. (BFI) 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 Roster 67 ,! j :! t pVTRIARCA, Armando S. E. piedras 383 Buenos Aires, Argentina (A. P. Green Fire Brick Co.) PATRICK, Howard * 2929 Kling Ave., Cincinnati 11, Ohio RICK, Robert F. (El) j'emco Corp. , 2554 Greenmount Ave. Baltimore 18, Md. PATTERSON, Harvey E. (M) * T. L. Smith Co. 2835 N. 32nd St., Milwaukee 10, Wise. | PATTERSON, Richard C. (XJ) 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. (WJI) 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. j Parkersburg, W. Va. a t JDemuth Glims Works, Inc.) 5 l iHMAN, Alexander (WI) I 4625V Park Blvd., San Diego 16, Calif. (Ryan 'Aeronautical Co.) 6 /PECK, J. Clair (SI) S 634 W. King St., York, Pa. (Glen-Gery Shale Brick Corp.) I PECKHAM, George W. (G) 4 Chattanooga Glass Co. is Chattanooga 10, Term. | PEDRICK, W. W. (G) - " Armstrong Cork Co., Millville, N. J. f PEDU, Richard K. (MJI) M . 129 Chestnut St., Garden City, N. Y. ik PEEL, G. N. *Sl 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. (El) 2706 Grovewood, Parma 9, Ohio (Ferro Corp.) PEMCO CORP. (Richard H. Turk) 5601 Eastern Ave., Baltimore 24, Md. PENBERTHY, Larry (G) Penberthy Electromelt Co. 2317 47th S. W., Seattle 6, Wash. PENCE, Forrest K. (WFI) 1609 Scenic Dr., Austin, Texas PENNSYLVANIA PULVERIZING 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 PERKINS, Harrell L. (M) Central of Georgia Railway Co. 501 Rhodes-Haverty Bldg. Atlanta 3, Ga. PERKINS, Walter W. (WI) 600 De Witt St., Linden, N. J. (U. S. Stoneware Co.) PERRY, Robert F. (WI) Box 283, Victor, N. Y. (Victor Insulators, Inc.) PERRY, Robert W. Box 787, Alfred, N. Y. PERRY, T. Ray University of Texas Dept, of Ceramic Engineering Austin, Texas PERTUCH, Walter A. R. (D) Franklin Institute Library 20th & Parkway, Philadelphia 3, Pa. PESKIN, William L. (W) Carborundum Co., Perth Amboy, N. J. PETERS, Forrest I. (G) 2 Meadow Brook Apts., Corning, N. Y. (Corning Glass Works) PETERSEN, Fred A. (EFI) 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., Whittier, 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. PETRIE, Earl C. (RFI) North American Refractories Co. 1012 National City, E. Sixth Bldg. Cleveland 14, Ohio PETRIE, Lloyd R. (W) 305 Western, Abingdon, III. (Abingdon Potteries, Inc.) PETT, Tyler G. (G) 261 Antlers Dr., Rochester 18, N. Y.. (Bausch & Lomb Optical Co.) PETTINOS, George F., Inc. (George F. Pettinos, Sr.) 1206 Locust St., Philadelphia 7, Pa. PETTINOS, 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' de la Cie de Saint-Gobain 52 Boulevard de la Villette Paris 19, France PFAUDLER Co. (Sidney W. McCann) 1000 West Ave., Rochester 3, N. Y. PFEIFF, C. H. (R) Curran-Pfeiff Corp. Box 527, Metuchen, N. J. PFEIFFER, Wilbur H. (EFI) Engineering Lab., Plant 2 Frigidaire Div., Genera] Motors Corp. Dayton 1,-Ohio PFLEGER, George E. (M) Harshaw Chemical Co. 3237 S. Garfield, Los Angeles 22, Calif. PHADKE, V. S. Central Potteries, Ltd. 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.) PHELPS, Stuart M. (RF) 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. XShenango China, Inc.) PHILLIPS, Charles J. (G) Radio Corp. of America RCA Victor Div., Bldg. 8-5 Camden, N. J. PHILLIPS, Donald G. (X) 2804 Lynne Ave., Hatboro, M.R., Pa. (Precision Grinding Wheel) PHILLIPS, Edwin L. (MI) Carolina Pyrophyllite Co. Box 2414, Greensboro, N. C. PHILLIPS, Gordon D. (W) Olean Tile Co., Olean, N. Y. PHILLIPS, Jack E. (W) Box 44, Lakewood Ave. East Quogue, L. I., N. Y. (Brookhaven National Lab.) PHILLIPS James G. (RI) Dept, of Mines & Technical Surveys Mines Branch, Industrial Minerals Div. Lydia St., Ottawa, Ont., Canada PHILLIPS, Leigh F. (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. Qair Ave. W. Toronto, Ont., Canada PHOENIX, Richard Carl (WJI) 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.) PIERCE 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. (MI) 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 . PILKINGTON'S TILES 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 :rV0L. 33, No. 10 (1954) Roster 69 riNNOW, Parley R. (W) r Pond S't., .R. R/19 East Liverpool, Ohio (Hall China Co.) pjMOTTI, Fred D. (G) 1 2324 'Middlesex Dr., Toledo, Ohio' 'Jimble 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. (Walter 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. (WI) 6250 S. Eairfax 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. (RI) '(Gladding, McBean & Co. /945 Elliott Ave. W., Seattle 99, Wash. PLANJR, Theodore J. M. (B) 4 Summit Ave., Rolla, Mo. (Missouri School of Mines) ::PLANKENHORN, William J. (El) 204 Ceramics Bldg. University of Illinois, Urbana,' 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 Lawrence, Kans. PLUNKETT, Jerry D. Box 217, Dixon, Mo. i 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. (BFI) 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 HrAAimjav Pa PORCELAIN METALS CORP. (P. B. McBride) 1400 S. 13th St. Louisville 10, Ky. PORST, Edward G. (El) 1418 Stonewood Rd., Baltimore 12, Md. (Pemco Corp.) PORTER, Frank R. (EFI) 318 E. Clark St., Crown Point, Ind. (Inland Steel Co.) PORTER, J. L. (B) Kaiser Aluminum & Chemical Corp. 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 Co., Box 188 Hondo, Texas POSEY IRON WORKS, INC. (Frank A. Fix) Lancaster, Pa. POSLUSZNY, Raymond F. (R) 242 E. Meehan Ave. Philadelphia 19, Pa. (Refractory Specialties Co.) POST, Benjamin F. (RI) Cortland Grinding Wheels Corp. Chester, Mass. POST, Zarr A. (X) 5020 Elm St. Bethesda, Washington 14, D. C. (Division of ACF Industries, Inc. ACF Electronics) POSTE, Emerson P. (EFI) 309 McCallie Ave. . Chattanooga 3, Tenn. (Consultant) POSTLEWAITE, Donald E. (WI) Universal-Rundle Corp., Box 300 Redlands, Calif. POTTERS SUPPLY CO. (William W. Irwin) East Liverpool. Ohio POTTS, Amos P. (SF) 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. 'Vol. 33, No. 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 WHEEL CO., INC. (Roland J. Clark) 8301 Torresdale Ave. Philadelphia 36, Pa. PRESCOTT. Frank R. (G) 1811 Kimball Ave., Arnold, Pa. (Pittsburgh Plate Glass Co.) 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. (MI) 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, Whittier, Calif. (Pryor-Giggey Co.) Roster 71 PUCKETT, John P,, Jr. (G) f Leeds .& Northpip Co. 4901 Stenton ^.ve., Philadelphia 44, Pa. fglt RICO PRODUCTS CORP. (F. Torres Campos) Box 4729 San Juan, Puerto Rico - '.ASKI, Marie E. (Wj >322 E. 79th St., Cleveland 3, Ohio (Clevite Brush Development Co.) pULLlAM, George R. 474 Pammel Court, Arnes, la. ptfLS, 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. (RI) 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 Terra Cotta Co. 1750 Wrightwood Ave., Chicago 14, 111. PURNELL, Hugh J. (R) 761 Loretta St., Pittsburgh 17, Pa. (United States Steel Corp.) i pYRO REFRACTORIES CO. 1 (O. E. Miller) Box 466 Oak Hill, Ohio ' Q QUIGLEY CO., INC. (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 fur 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. East 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 ,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 RAMTITE 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. (WI) 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. (WI) 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. (Ffaudler 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. (WI) 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. (SJI) What Cheer Clay Products Co. What Cheer, la. , Vol. 33. No. 10 (1954) REED, Paul H. (K) 310`/i 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, Harry F., Jr. (M) McKay Co., GrantleyRd., York, Pa. REILLY, Alfred F.. Sr. (W) Evans Case Co., 21 East St. North Attleboro, Mass. REIMER, John J. (WI) Keystone Ceramic Corp. Bendersville, Pa. REIN, Peter (W) 626 Cornelia, Chicago, 111. (Chicago Pottery Co.) REINKER, 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.) . REISING, 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. (11 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 Church St., Youngstown, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) RENSKERS, Richard H. (WI) 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  oEUNING, George W., Jr. (RI) 35 Osborne St., WeUsville, N. Y. (Big Savage Refractories Corp.) rEUSCHE, Frank L. (W) 145? Clinton Ave., Irvington 11, N. J. (L. Reuscbe & 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 Dr., 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. (WI) 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. (RFI) 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 (RJI) 817 Main St., Dickson City, Pa. (Harbison-Walker Refractories Co.) RICE, Hal H. (WI) . 17 W. 25 Oak Lane Dr., Oakdale Woods Bensenville, 111. (Armour Research Foundation) RICE, Murray J. (B) 133 N. Main St., Alfred, N. Y. (New York State College of Ceramics) r 'E, William H. (B) f General Electric Co. ' Glass Technology Laboratory 1133 E. 152nd St., Cleveland 10, Ohio- -- RICH, Herbert 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. (EFI) 4415 Fairfield Dr., Bethesda 14, Md. (National Bureau of Standards) RICHTER, Charles J. (G) Box 275, Canfield, Ohio RICK, Clarence A. (R) 441 La Sierra Way, Gilroy, Calif. (Kaiser Aluminum & Chemical Corp.) : RICKER, Richard W. (XI) 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 pDELL, W. A., CO. (W. H. Merkel) American Clay Machinery Div. Bucyrus, Ohio RIDDLE, Frank H. (WFI) 14 Upland Rd., Colorado Springs, Colo. (Champion Spark Plug Co., Ceramic Div.) Vol. 33, No. .10 (1954) RIDDLE, Robert F. (G) Pennsylvania Glass Sand Corp. 140 Stanwix St., Pittsburgh 22, Pa. RIDGEWAY, Thomas J., Jr. (RJ) General Refractories Co. Morrisville, Pa. RIEGERT, Richard P. (I) Box 995, Alfred, N. Y. RIEPER, Gerald 394 Pammel Court, Ames, la. RIGBY, James E. (G) Blue Ridge Glass Corp. Kingsport, Tenn. RIGTERINK, Merle . D. .(WF) Bell Telephone Labs. Murray Hill, N. J. RIIS, '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) SIS1/* 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 (EI)` 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. (EJ) 3008 Rosedale Blvd., Louisville 5, Ky. (American Radiator & Standard Sanitary Corp.) ROBERTSON, Leon F. (G) Brockway Glass Co., Inc., Brockway, Pa. ROBERTSON, R. Kenneth (S) 101 St. Henri St. Laprairie, Que., Canada (Laprairie Co. Inc.) ROBERTSON, Randal K. (S) 906 University Tower Bldg. Montreal, Que., Canada (Laprairie Co. Inc.) ROBESON PROCESS CO. ('Asgeir Riis) 500 Fifth Ave., New York 36, N. Y. ROBILLARD, Harvey J: (R) Exoion 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. (Arthur 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 Water St., Lewiston, N. Y. (Mathieson Alkali Works, Inc.) ROBSON, James T. (MFI) Allied Engineering Division Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio ROCHE, L. C. (GF) 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 Farmers 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 Ware, Inc.) RODRIGUEZ, Alfonso F. (G) Vidriera Monterrey, S. A. Apartado 162, Monterrey, N. L., Mexico RODRIGUEZ, A. R. (WI) 29 Pine St., Franlclinville, N. Y. (Hi-Q Div., Aerovox 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. Roster 75 .OFF, W. Wallace (M) * 14 Glenside Dr., West Orange, N. J. (Whittaker, Clark & Daniels, Inc.) OGATZ, Alvin (B) . Zenith Radio Corp. t 6001 Dickens Ave., Chicago 39, 111. ^OGERS, Edwin J. (WI) Scintilla Magneto Div. Bendix Aviation Corp., Sidney, N. Y. ROGERS, Gregory L. (R) 9S00 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) ROGERS, Melvin F. (RI) 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., Ill (R) Empire Fire Brick Co. 219 Murray, Fort Wayne, Ind. ROOT, H. Dean (WI) 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 (RI) 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. (RFI) 5929A Oakhurst PI., St. Louis 12, Mo. (Consultant) ROSS, Howard, II (EJ) 3410 Archwood Ave., Cleveland 9, Ohio (Ferro Corp.) ROSS, Paul F..(RI) 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.) ROTHERMEL, Joseph J. (G) Coming Glass Works, Research Lab. Coming, N. Y. ROTHWELL, 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 (WFI) Globe-Union Inc. 900 E. Keefe Ave. Milwaukee 1, Wise. ROUS, William C., Jr. (BI) % L. L. Land, Box 667 Merkel, Texas ROVANI, Tedd (X) Evans Case Co. 21 East St., North Attleboro, Mass. ROWLAND, Davidge H. (WI) 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. (WI) 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. (WF) 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. Vol. 33, No. 10 (1954) 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. (XJ) 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. (EJ) 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. (XFI) 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 Go. 600 Ninth St., Golden, Colo. RYNDERS, Gerald F. (B) National Bureau of Standards Div. 9.7, Washington 25, D. C. RYSHKEWITCH, 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 (WJI) 714 Fifth Ave. (Rear), Ford City, Pa. (Eljer Co.) SAIBEL, Edward (G) Carnegie Inst, of Tech. Schenley Park, Pittsburgh 13, Pa. SALINAS, Mario (G) -Montes Carpatos 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.) UMONS, Frederick C. (R) G"<tral Refractories Co. YFruitland Ave. i. Angeles 58, 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 519, Washington, Pa. iMUEL, Donald G. (R) 811 Buttonwood St., Norristown, Pa. (E. J. Lavino & Co.) INBORN, Paul H. (W) 2514--23rd St., Parkersburg, W. Va. vND, Reuben (W) 8 N. Blount St., Madison 3, Wise. (Ceramic Arts 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) 2?5_Oakridge Dr., Rochester 17, N. Y. \udfer Co.) IAN iGUEL BREWERY GLASS FACTORY (A. Villa-Abrille) 132 Aviles. Manila, Philippines SANT, John W. (M) Universal-Rundle Corp. New Castle, Pa. 5ANTOMIERI, S. Lewis (RI) Box 8, Botkins, Ohio (Botkins Engineering) 5ARAKAUSKAS, Raymond (R) National Carbon Research Labs. Box 6087, Cleveland, Ohio SUREN, 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, No. 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. (El) 456 Lynn Rd., Berea, Ohio (National Carbon Research Lab.) SCHAA, Ferdinand A., Jr. (WJ) 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 & Comercid Ltda.) SCHLEHR, W. Raymond (GI) 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 (WFI) 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 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. (Ml) 23 E.` Southington";Ave. Worthington, Ohio (Harrop Ceramic Service Co.) SCHRADER, David M. (R) 742 Rotch Ave., Massillon, ^Ohio (Republic Steel Corp.) * SCHRAMM, Edward (WF) Onondaga Pottery Co. Syracuse 4, N. YSCHRECKENGOST; 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. (RFI) A. P. Green Fire Brick Co. Mexico, Mo. .' . ';: r SCHROLL, J. R. (S) ' ' Manufacturers Equipment Co. 218 Madeira Ave., Dayton 4, Ohio SCHUETZE, Ervin W. (R) 1310 E. Promenade St.,' 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 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. (EJ) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio Roster 79 ,cflULZ,'Eugene-1., Jr. s 93O Grand Concourse, Bronx 56, N. Y. ,cHUMACHER, William G. (E) 5 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. (GFI) 1306 Craigwood Rd., Toledo 12, Ohio (Toledo Engineering Co., Inc.) SCHWARTZ, Bernard (BI) 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. (BI) WCRRL, Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio SCHWARTZWALDER; Karl (WFI) A C Spark Plug Div., General Motors Corp. Flint 2, Mich. SCHWEICKHARPT, 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 ' TT, J. W. (W) ^Western Electric Co. Inc. 7640 Hawthorne Station Chicago 23, 111. SCOTT, Murray R. (GFI) Bausch & Lomb Optical Co. 635 St. Paul St., Rochester 2, N. Y. SCOTT, Robert M. (RJ) 95 Lake Ave., Apt. 2 Worcester, Mass. (Norton Co.) SCOTT, Roger F. (GI) 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 a/* Coiffe S. A. Boite Postale No. 208 Limoges (Haute */* Vienne) France SEABRIGHT, Edward C. (E) 171 Beuland, Mt. Clemens, Mich. (Philco Corp., Range Div.) SEANOR, J. G. (S) 2300 W. Tuscarawas St. Canton 8, Ohio (Bonnot Co.) SEARLE, Alfred B! 62, Moorcliffe, Skircoat Moor Rd. Halifax, York, England (Consultant) SEARSON, Leslie James Oakes & Co. (Riddings) Ltd. Jacksdale, Notts, England . .TON, Max Y, (RF) 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. (WI) 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. (Harker Pottery Co.) SEEMANN, Wilhelm Pipersgatan 3, Stockholm, Sweden SEGELER, C. G. (M) American Gas Assn., 420 Lexington Ave. New York 17, N. Y. SEIDEL, Joseph (W) 106V S. Sweetzer Ave. Los Angeles 48, Calif. SEIPEL, Robert B. (G) Blue Ridge Glass Corp. Kingsport, Tenn. SEITZ, Wolfram (G) Glass Containers Inc. 3601 Santa Fe Ave. Los Angeles 58, Calif. SELLERS, George A. (R) 315 E. Crescent Ave., Elmhurst, 111. (Plibrico Co.) 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 SEXK, Johann Vienna XVII Dornbacherstr. 29, Austria (Radio Fabrik IngelenPorzellan 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) 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 (BJI) 1410 East Ave., New York 62, N. Y. (Ward Leonard Electric Co.) SHAPLAND, James T. (XJ) 2030 Waggoner Ave., Evansville, Ind. (International Harvester Co.) SHARDLOW, L. Russel (WI) 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. (WI) 2240 N. Manning St., Burbank, Calif. (Gladding, McBean & Co.) SHAW, L. I. (XI) Club DelMar, Santa Monica, Calif. (Consultant) SHAW, Myril C. (MFI) 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 (WJ) ___Medicine Hat Potteries Medicine Hat, Alta., Canada SHEARER, Walter L. (R) 15 Muirhead Ave., Trenton 3, N. J. (Rouse & Shearer) SHEARER, Wayne B. (RJ) 116 W. King St., Malvern, Pa. (Foote Mineral Co.) SHEAROUSE, Lee A. (W) 326 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) SHEEHAN, Robert W. (MJ) Ceramic Supply Co., Crooksville, Ohio SHEERER, Mary G. (DF) 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. (RI) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. Roster 81 XjtAN, Donald (W), 1831 E. Second St. , H>ag Beach 2, Calif. /{forth American Aviation, Inc.) (JfONS, Frederick C. (R) general Refractories Co. }24~ Fruitland Ave. Hi jgeles 58, Calif. [pi, ; J- Leonard (G) Mahoning 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) MDERSON, K. W. John G. Stein & Company, Ltd. Bonnybridge, Scotland NDFORD, Per johan Folke Chalmers Tekn, Hogskola Goteberg, Sweden . NDMEYER, Karl 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. (W adler Co.) iN i jUEL BREWERY Gv JS FACTORY CA. Villa-Abrille) 132 Aviles. Manila, Philippines VNT, John W. (M) . Universal-Rundle Corp. New Castle, Pa.' VNTOMIERI, S. Lewis (RI) Box 8, Botkins, Ohio (Botkins Engineering) 1RAKAUSKAS, Raymond (R) National Carbon Research Labs. Box 6087, Cleveland, Ohio ilREN, Sarian Box 1-9, Alfred, N. Y. \RRAF, Edward M. (R) 20001 Laurel Ave. Rocky River 16. Ohio fHa'bison-Walker Refractories Co.) AUEREISEN, C. Fred (R) Sauereisen Cements Co. Sharpsburg Sta., Pittsburgh 15, Pa. AULS, J. B. (MI) Funkhouser Co., Hagerstown, Md. SUNDERS,-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. Los Angeles 58, Calif. (''" stern Talc Co.) SAV; i, Francesco lb. .uto Siderurgico Finsider Villa Brignole-Corso F. M., Perrone, 24 Genova-Comigliano (Italia) $AWAI, Ikutaro Kyoto University, Kyoto,' Japan Vol. 33, No. 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. (El) 456 Lynn Rd., Berea, Ohio (National Carbon Research Lab.) SCHAA, Ferdinand A., Jr. (WJ) 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, Coming, 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 & Comercid Ltda.) SCHLEHR, W. Raymond (GI) 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 Fite Brick Co.) SCHOFIELD, H. Zane (WFI) 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. KruiSstraat ''31 Dieren, Netherlands (N.V. Emailleerfabriek "de IJsel") SCHOTTLAND, A. H. (G) Standard Bent. Glass-q., Butler, Pa. SCHOTTS,' Walter H. (Ml) 23 E.' 'Southington':Ave. Worthington, Ohio (Harrop. Ceramic Service Co.) SCHRADER, David M. (R) - . 742 Rotqh Ave.,.Massillon,,Ohio (RepubKc Steel Corp.) SCHRAMM, Edward (WF) . Onondaga Pottery Co. Syracuse 4|'N. Y. SCHRECKENGOS.T; Don' (DF) 2617 St. Clair Ave. East Liverpool, Ohio (Homer.Laughlin China Co.) SCHRECKENGOST, Viktor (W) 2265 Stillman Rd. Cleveland Hts. 18, Ohio (Salem China Co.) .. SCHREIBER, Edward Box 948, Alfred, N-. Y. . SCHRICKEL, Herman' H., Jr. (G) 178 E. Pulteney St., Coming, N. Y. (Coming Glass Works) ' i SCHROEDER, Fred W. (RFI) A. P. Green Fire Brick Co. Mexico, Mo. . **:? SCHROLL, J. R. (S) Manufacturers Equipment Co. 218 Madeira Ave., Dayton 4, Ohio SCHUETZE, Ervin W. (R) 1310 E. Promenade St.," 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 Roster 79 ccHULZ, `Eugene G., Jr. SECKMAN, Harry D. (WI) SHAND, Rodger L. (E) 930,Grand Concourse, Bronx 56, N. Y. sChUMACHER, William G. (E) 5956 N. Glenwood Ave. 131 E. Riverside, Peru, Ind. (Square D Co.) SECORD, Robert N. (W) 4155 Dupuis Ave. Apt. 15 Montreal 26, Que., Canada (Ferro Enamels (Canada) Ltd.) Chicago 40, 111. (National Cylinder Gas Co.) sCHURECHT, H. G. (SFI) Godfrey L. Cabot, Inc. Research & Development Dept. 38 Memorial Dr., Cambridge, Mass. SHANDS, Everett H. (E) Florida Ceramic Tile Co., Box 451 Lakeland, Fla. Champion Spark Plug Co. SEDALIA, B. M. SHANER, Herbert J. (R) 8525 Butler Ave., Detroit II, Mich. Titanium Alloy Mfg. Div., Ramtite Co., 2563 W. 18th St. SCHURTZ, D. D. (GF) . National Lead Co., Res. Lab. Chicago 8, 111. Sharp;Schurtz Co., Lancaster, Ohio Box C, Bridge Station SHANKS, Douglas SCHWAB, Leon B. (R) Niagara Falls, N. Y. Shanks & Co. Ltd., Victorian Pottery 214 E. Home St., Vandalia, Mo. SEDENKA, Anthony (E) Barrhead, Near Glasgow, Scotland (Harbison-Walker Refractories Co.). 1086 Magnolia Dr., Colonial Heights SHANNON, Harry F. (E) SCHWALBE, F. G. (GFI) . Washington, Pa. United States Steel Corp., Rm. 2414 1306 Craigwood Rd., Toledo 12, Ohio (B. F. Drakenfeld & Co., Inc.) 525 William Penn PI. (Toledo Engineering Co., Inc.) SEELEY, E. L. (W) Pittsburgh 30, Pa. SCHWARTZ, Bernard (BI) 800 Lotus Ave., Chester, W. Va. SHAPIRO, Howard (BJI) 35 Dogwood Dr., Bradford Hills, R.R.2 (Harker Pottery Co.) 1410 East Ave., New York 62, N. Y. Downington, Pa.. SEEMANN, Wilhelm (Ward Leonard Electric Co.) (Burroughs Corp.) Pipersgatan 3, Stockholm, Sweden SHAPLAND, James T. (XJ) SCHWARTZ, Harold A., Sr. (M) SEGELER, C. G. (M) 2030 Waggoner Ave., Evansville, Ind. 2028 Horace Ave., Abington, Pa. American Gas Assn., 420 Lexington Ave. (International Harvester Co.) (Simonds Abrasive Co.) New York 17, N. Y. SHARDLOW, L. Russel (WI) SCHWARTZ, M. A. (BI) SEIDEL, Joseph (W) RCA Victor Div. WCRRL, Aeronautical Research Lab. 106V S. Sweetzer Ave. .. .Radio Corp. of America W.A.D.C. Los Angeles 48, Calif. 'Harrison, N. J. Wright-Patterson AFB, Ohio SEIPEL, Robert B. (G) SHARP, Donald E. (GF) SCHWARTZWALDER, Karl (WFI) Blue Ridge Glass Corp. Libbey-Owens-Ford Glass Co. A C Spark Plug Div., Kingsport, Tenn. 1701 E. Broadway, Toledo 5, Ohio General Motors Corp. SEITZ, Wolfram (G) SHARP, E. W. (RI) Flint 2, Mich. Glass Containers Inc. 62 N. High St., Jackson, Ohio I SCHWEICKHARDT, William K. (R) 101 Ferry St., St. Louis 7, Mo. 3601 Santa Fe Ave. Los Angeles 58, Calif. (Pyro Refractories Co.) SHARTSIS, Leo (G) I (Walsh Refractories Corp.) SCHWEITZER, Howard V. (M) SELLERS, George A. (R) 315 E. Crescent Ave., Elmhurst, 111. 4514 W. Virginia Ave. Bethesda 14, Md. Schweitzer Equipment Co. (Plibrico Co.) (National Bureau of Standards) 3764 Ridge Rd., Cleveland 9, Ohio SELLERS, John T. (RI) 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 Works) 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 Gesteinshuttenkunde College & Grantley Ave., York, Pa. (Corning Glass Works) Aachen, Mauerstrabe 5, Germany SEMPLE, 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. (WI) 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. (RJ) Porzellan Fabrik) (Consultant) 95 Lake Ave., Apt. 2 SENTERS, Walter J. (R) SHAW, Myril C. (MFI) Worcester, Mass. Washington Brick & Lime Co. 553 Gates St., Philadelphia 28, Pa. (Norton Co.) Spokane, Wash. (Asbestos Textile Institute) SCOTT, Roger F. (GI) SEPHTON, H. J. (G) SHAW, Ronald H. (S) 911 E. Main St., Millville, N. J. Dominion Glass Co. Ltd. L. E. Shaw Ltd., 74 Bedford Row (Armstrong Cork Co.) Chappie St., Hamilton, Ont., Canada Halifax, N. S., Canada SCOTT, W. J. (W) SERVIS, Donald H. (W) SHAYNA, Michael (WJ) Western Electric Co. Inc. Robertson Mfg. Co., Box 848 ___Medicine Hat 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) SEABRIGHT, Clarence A. Harshaw */ Coiffe S. A. Boite Postale No. 208 SEVERIN, Harold Box 787, Alfred, N. Y. SEVERSIKE, Carroll L. (E) SHEARER, Wayne B. (RJ) 116 W. King St., Malvern, Pa. (Foote Mineral Co.) Limoges (Haute */* Vienne) France 84 Sutherland Rd., Apt. 10 SHEAROUSE, Lee A. (W) SEABRIGHT, Edward C. (E) 171 Beuland, Mt. Clemens, Mich. Brighton, Mass. (Sylvania Electric Products, Inc.) 326 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) (Philco Corp., Range Div.) SEYMOUR, Samuel L. (G) SHEEHAN, Robert W. (MJ) SEANOR, J. G. (S) 'h 2300 W. Tuscarawas St. .ij . Canton 8, Ohio (Bonnot Co.) 125 Reed St., New Kensington, Pa. (Pittsburgh Plate Glass Co.) SHAFFER, E. F. (G) Ohio Power Co., Newark, Ohio Ceramic Supply Co., Crooksville, Ohio SHEERER, Mary G. (DF) 6540 Hamilton Ave., College Hill 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) Food Machinery & Chemical Corp. Fort Bombay, India SHALEK, Peter D. U. S. Bureau of Mines Electrotechnical Laboratory 161 E. 42nd St., New York 17, N. Y. 132 N. East Ave., Oak Park, 111. Pine Road, Norris, Tenn. SEAWELL, Joe, Jr. (S) SHAND, Errol B. (G) SHELLEY, C. B. (RI) Miller Equipment Co., Inc. 155 Reynolds Ave., Corning, N. Y. General Refractories Co. Box 1566, Salisbury, N. C. (Corning Glass Works) 1520 Locust St., Philadelphia 2, Pa. Vol. 33, No. 10 (1954) Roster 81 i jC ij* ip if t n : ;1 * .,! j: t e SHELTON, G. R. (WF) ; 6614,Delfield St., Chevy Chase IS, Md. (National Bureau of Standards) cHELTON, Philo S,, Jr. SHUMAN, Albert (G) . 'Box 417, Mt. Kisco, N. Y. (Polarizing Instrument Co.) SIDWELL, John L. (M) 130 Burr St., Fairfield, Conn. ejtfENANDOAH SILICA CO., INC. (Herreld D. Thropp) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio 333 W. State St., Trenton'8, N.. J. SHENANGO CHINA, INC. (Geo. B. Zahniser) New Castle, Pa. SIEFERT, A. C. (G) Owens-Coming Fiberglas Corp. Newark, Ohio cHEPARD, Anna O. (B) 751 11th St., Boulder, Colo. SIEGRIST, Paul F. (W) Erie Resistor Corp., 644 W. 12th St. (Carnegie Institution of Wash.) Erie, Pa. gHEPHERD, John F. (El) SIEGWALD, Clyde R. (WI) Shepherd Chemical Co. 816 Quinby Ave., Wooster, Ohio Norwood, Cincinnati 12, Ohio (Robinson Clay Products Co.) SHERK, Donald (R) SIEVERT, Guilio E. (R) 218 Dalton Dr., Tonawanda Twp., N. Y. 833 Oregon Ave., San Mateo, Calif. (Johns-Manville Corp.) (Gladding, McBean & Co.) SHERRILL, Robert R. (El) SIGWART, Harry J. (G) 425 Canyon Dr., Glendale 6, Calif. 732 Beechurst Ave. (Bulwark Corp.) Morgantown, W. Va. SHERWOOD, Robert F. (WFI) (Seneca Glass Co.) 10041/* Harrison St., Syracuse 10, N. Y. SILK, Karl (Consultant) Messrs. Jury Holloware Ltd. SHEVLIN, Thomas S. (RI) Brierley Hill, Staffs, England Engineering Experiment Station SILVA, Alfonso Ohio State University Refractarios "Lota Green" S. A. Columbus 10, Ohio Casilla 145-V, Valparaiso, Chile SHIELD, Richard . SILVERMAN, Alexander (GFI) University of Texas University of Pittsburgh C. P. Hall, Rm. 107, Austin, Texas 2525 Cathedral of Learning SHIMADA, Hachiro Pittsburgh 13, Pa. Shimada Glass Laboratory SILVERMAN, William B. (GFI) No. 2867, 1-Chome, Sanno Owens-Illinois Glass Co. Ota-ku, Tokyo, Japan 1700 Westwood Ave., Toledo 1, Ohio SHIMADA, Kuro SIMAVILLA, Juan M. Shimada Glass K.K. Cristalerias Rigolleau S. A. No. 47 Shimo-3-Chome, Ebie Berazatequi, F.C.N.G.R. Fukushima-Ku, Osaka, Japan Buenos Aires, Argentina SHIMER, J. B. (G) SIMCOCK, H. J. Buck Glass Co. "Cranford," Lovatt Ave. Fort Ave. & Lawrence St. Milehouse, Newcastle Baltimore 30, Md. Stafford, England SHIMMAN, Norman C. (W) . (A. G. Hackney & Co. Ltd.) 2348 Ventura Dr., R. R. 4 SIMISON, A. L. (GI) Walled Lake, Mich. Owens-Coming Fiberglas Corp. (Champion Spark Plug Co.) Toledo, Ohio SHINN, Joseph M., Jr. (R) SIMMEN, Fred G. (W) 2350 Glenmawr Ave., Columbus 2, Ohio 964 Terrace Blvd., Trenton 8, N. J. (Battelle Memorial Institute) (National Ceramic Co.) SHIPLEY, R. A. (S) SIMMINGSKOLD, Bo Natco Corp., 327 Fifth Ave. Glasinstitutet i Vaxjo, Smedjegatan 3 Pittsburgh 22, Pa. Vaxjo, SWeden SHIVELY, R. R. (GF) SIMMONS, E. E., Jr. (M) 83 Woodland Dr., Pittsburgh 28, Pa. 455 S. Oakland Ave., Pasadena 5, Calif. (Consultant). SIMMONS, Milton L. (E) SHIVELY, Robert R., Jr. (G) Ferro Corp., International Div. Mathieson Chemical Corp. 4150 E. 56th St., Cleveland 5, Ohio 2416 Gulf Bldg., Houston, Texas SIMMONS, Thomas Short SHOEMAKER, George W. (S) Georgia Tech. Arketex Ceramic Corp., 6 N. Walnut St. Box 5247, Atlanta, Ga. Brazil, Ind. SIMON, A. G. (W) 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. (RI) 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. 3650 Fairesta St., LaCrescenta, Calif. (Gladding, McBean & Co.) SIMONDS WORDEN WHITE 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.) SIMONSEN, 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. - Vol. 33, No. 10 (1954) SIMPSON,.Harold E. (GFI). 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. (El) 822 Ellis Ave., Ashland, Ohio (Ferro Corp.) SISSONS, Gordon H. (S); 320 First St. 2 Medicine Hat, Alta, Canada (Medicine Hat 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. (RI) 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. (RJ) 115 Farview Ave., Trooper Norristown, Pa. (E. J. Lavino & Co.) SMALLEY, Howard F. (El) 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 ,pR6AT, Xra'E. (WFI) " r. T. Vanderbilt Co., 230 Park Ave. Hew York 17, N. Y. cpURCK, Richard F. (W) * Coors Porcelain Co., Golden, Colo. qUARE D CO. (Ralph E. Hanna) Molded Insulation Div., Peru, Ind. cOUlER, Arthur A. (S) 1616 Walnut St., Philadelphia 3, Pa. (Distributor) cROOGA, Valerio S Belgrano 766, Buenos Aires, Argentina eTAATLICHE PORZELLANs jIANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1-3 (13a) Selb/Oberfr. U. S. Zone, Germany STAATS, Henry 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. Emhart 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 & TILE CORP. (Clifford A. Kleymeyer) Evansville 8, Ind. STANDARD ULTRAMARINE & COLOR CO. (L. F. May) Huntington 18, W. Va. STANGL, J. M. (W) Stangl Pottery, Trenton 4, N. J. STANGL POTTERY (J. M. Stangl) Trenton 4, N. J. STANISLAW, T. Stanley (W) Box 354, Centerport, L. I., N. Y. (Sylvania Electric Products, Inc.) STANLEY, George V. (E) 2752 W. 90th PI. Evergreen Park 42, 111. (Crane Co.) 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., Rugby. 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, No. 10 (1954) STARKEY, Edward A. (M) 145 W. Second St., Apt. E Mansfield, Ohio (Fate-Root-Heath Co.) STETTINIUS, K. E. (W) Lapp Insulator Co., Inc., Le Roy, N. Y. STETSON, Alvin R. (E) Research Div., Solar Aircraft Co. STARKEY, Elmfcr A. (R) 4720 Bayard St., Pittsburgh 13, Pa. 2200 Pacific Highway San Diego 12, Calif. (U. S. Steel Corp., Duquesne Works) ` STETSON, Harold W. STAUDT, August (W) 264 Water St., Perth Amboy, N. J. 303 Mineral Sciences Bldg. Pennsylvania State University STAUFFER CHEMICAL CO. State College, Pa. (M. P. Kerins, Jr.) 380 Madison Ave., New York, N.-Y-. STETSON, William C. (WI) Box 44, Saxonburg, Pa. STAUFFER,.Kenneth H. B. (W) (Saxonburg Ceramics) 380 Thornridge Dr., Levittown, Pa. STETTNER, Donald H. (El) (Robertson Mfg. Co.) 419 W. Olney Ave., Philadelphia 20, Pa. STAVROLAKIS, J. A. (B) (Heintz Mfg. Co.) 10108 S. Calhoun Ave., Chicago 17, 111. STEUBENVILLE POTTERY CO. (Armour Research Foundation) (W. J. Mould) Steubenville, Ohio STECK, C. O. (G) STEUERNAGLE, J. H. (G) F. J. Kress Box Co., One 28th St. Brockway Glass Co., Inc. Pittsburgh 22, Pa. Wood St., Brockway, Pa. STEELE, G. Allen (R) STEVENS, Major Donald K. (E) 546 Cedarhurst Ave., Dayton 7, Ohio Research & Analysis Dept. (Simonds Worden White Co.) The Arty School, Box 227 STEELE, Harry L. . (AA&GM Be), Fort Bliss, Texas Shorter & Son Ltd., Copeland St. STEVENS, E. G. (WJ) Stoke-on-Trent, England Engr. Expt. Station, Rm. 306 STEELE, Hoyt P. (E) Ohio State University Benjamin Electric Mfg. Co. Columbus 10, Ohio Des Plaines, 111. STEVENS, Frank J. (WI) STEELE, J. C.. Jr. (S) 414 Prospect St., Nutley 10, N. J. J. C. Steele & Sons, Statesville, N. C. (Isolantite Mfg. Corp.) STEELE, J. C,, & SONS, INC. STEVENS, Joe (R) (J. C. Steele, Jr.) Statesville, N. C. Murray Refractories Co., Box 338 STEELE, Richard E. (X) Murray, Utah Ram, Inc., 1064 W. Fifth Ave. STEVENS, L. M. (R) Columbus 8, Ohio 2907 Alabama St., La Crescenta, Calif. STEELE, William Perrin (S) (Gladding, McBean & Co.) Pine Hall Brick & Pipe Co. STEVENS, Robert P. (RI) Winston-Salem, N. C. Wellsville Fire Brick Co. STEFL, Donald J. (W) 1625 W. 104th PL, Chicago 43, 111. Freeport Brick Co., Freeport, Pa. STEVENS, W. B'. (W) STEIL, Roy C. (C) Socony-Vacuum Oil Co., 26 Broadway 3450 Garfield St., Denver 5, Colo. New York 4, N. Y. (Export Chemical Corp. of Colorado) STEVENSON, James IL, Jr. (RI) ' STEIN, Colin H. R. R. 1, Mundelein, 111. 7 Melville Terrace, Stirling, Scotland (Norton Co.) (John G. Stein & Co., Ltd.) STEVENSON, Samuel (W) . STEIN, Ronald C. 1967 Grafton Rd., Elyria, Ohio Messrs. John G. Stein & Co., Ltd. (Harshaw Chemical Co.) Bonnybridge, Scotland STEVENTON, Horace STEINBOCK, E. A. (R) John Steventon & Sons, Ltd. Whip-Mix Corp., 411 W. Avery St. Cledford Works Louisville 8, Ky. Middlewich, Cheshire, England STEINER, Harry C. (G) STEWART, Alex (E) Industrial & Transmitting Tube Dept. National Lead Co., Ill Broadway General Electric Co. New York 6, N. Y. Schenectady 5, N. Y. STEWART, George C. (M) STEINHOFF, Fred L. (WFI) Livingston Manor, N. Y. Brick & Clay Record---Ceramic Industry (Abaco Co.) 5 S. Wabash, Chicago 3, 111. STEWART, Isaac (G) STELLE, John A. (S) New York Testing Laboratories, Inc. Arketex Ceramic Corp., Brazil, Ind. 47 West St., New York 6, N. Y. STENQUIST, . Donald R. STEWART, J. H. (S) U.S.S. Roosevelt (CVA 42) Stark Ceramics, Inc., Box 230 F.P.O., San Francisco, Calif. Canton 1, Ohio STENT, Howard B. STEWART, John A. (GI) Box 1587, Nairobi 419 Locust Ave., Washington, Pa. Kenya Colony, East Africa (B. F. Drakenfeld & Co., Inc.) (E. A. Industrial Research Board) STEWART, Malcolm (M) STERLING ABRASIVES DIV., CLEVELAND QUARRIES CO. 310 Irwin St., San Francisco 7, Calif. (Commercial Minerals Co.) (L. B. Bellamy) Box 801, Tiffin, Ohio STEWART, Wilfred H. (R) STERLING CHINA CO. U. S. Reduction Co., 4610 Melville (William T. Pomeroy) East Chicago, Ind. East Liverpool, Ohio STIEF, W. C. (W) STERLING, Harry S. (G) 158 S. Wilson Blvd., Mt. Clemens, Mich. Coming Glass Works (Mt. Clemens Pottery Co.) Harrodsburg, Ky. STIEFEL, Maurice B. (RJ) STERN, George (M) National Bureau of Standards American Electro Metal Corp. Van Ness & Conn. Ave. 320 Yonkers Ave., Yonkers 2, N. Y. Washington, D. C. STERRY, J. Patrick STILLWATER CLAY PRODUCTS CO. Ceramic Engineering Div., Roberts Hall (J. P. Duffy) Lock Drawer 32 University of Washington Uhrichsville, Ohio Seattle 2, Wash. STOCK, Donald F. (R) STERRY, William M. Harbison-Walker Refractories Co. 1019 E. 43rd St., Seattle 5,. Wash. Hays Laboratory, Pittsburgh 7, Pa. Roster 87 ;KDALE, George F. .(G) 9 Coming Blvd., Coming, N. Y. Coming Glass Works). ;KSLAGER, Theodore F. (W) arborundum Co. 4800 Lakeland Blvd. :ley-!^nd 23, Ohio y \OM, Arthur (E) (at ihef, Inc. 641 S. Kingshighway, St. Louis 10, Mo. jDARD, Stephen D. (WI) 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. (El) ,974 Orchard Rd. Cleveland Heights 21, Ohio Harshaw Chemical Co.) HE, Benjamin (W) Jalifomia 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. derramic Industries, Ltd. !5 Hydeway, Welwyn Garden City Herts, England NE, 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. NE Vrt L. (BFI) 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. (Coming Glass Works) OKEY, Stanley D. (G) 14S Pritchard Ave., Coming, N. Y. (Coming Glass Works) >OPS, Robert F. (RI) Carboloy Dept., General Electric Co. Box 237, Roosevelt Park P. O. Detroit 32, Mich. 1TLER, 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) Wa Clay Products Co. Centerville, la. (AIN, R. E. (E) Alliance Ware, Ltd. Box 5S0, Vancouver, B. C., Canada I(ATT'"t, Mrs. W. B. (D) Bewi (Pottery, 10125 Jefferson Ave. Oetrt i4, Mich. (AUSS, Simon W. (E) 3801 Connecticut Ave., .N. W., Apt. 247 Washington, D. C. .(National Bureau of Standards) 33, No. 10 (1954) STREATOR brick co,, 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. (El) 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. (WI) Wheeling Tile Co., Wheeling, W. Va. STRUCTURAL CLAY PRODUCTS INSTITUTE . (Harry 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. Karsteir H., Jr. (WJ) 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 Bum & Co. Ltd. Ranigunj, P. O. Dist. Burdwan, India SULLIVAN, Eugene C. (GF) Coming 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.' SUMPTER, 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 Works) 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. (WI) 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. (WI) 3440 S. Euclid Ave., Berwyn, 111. (Industrial Publications Inc.) SWAIN, Richard S. Nash Hall, Campus Rd., Toledo 6, Ohio SWAIN, Stephen M. (RFI) 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. (EFI) 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. (EF) Ferro Corp. 4150 E.- 56th St., Cleveland 5, Ohio SWICKER, Victor C. (GF) .907 Floral T>r., Whittier, Calif. (Consultant) SWIFT, Howard-R. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio Roster 89 JWIGART, Joseph J. (M) 3014 Middletown' Rd., Pittsburgh 4, Pa. (Vitro Wfg. Co.) SWINDELL BROTHERS, INC. (J. J. Jeffries) Bayard & Russell Sts. Baltimore 30, Md. ;WTMPELL-DRESSLER CORP. Jiilip Dressier) Box 1888 .ctsburgh 30, Pa. SWINNERTON, Bertram B. (W) 21 Second Ave., Tiffin, Ohio' (American Radiator & Standard Sanitary Corp.) iWINNERTON, George R. (M) 35 E. State St., Alliance, Ohio (Sales Representative) SYLVANIA ELECTRIC PRODUCTS, INC. (B. S. Ellefson) 208-20 Willets Point Blvd. Bayside, Long Island, N. Y. SYLVESTER, George R. (MI) Sylvester & Co. Aurora Rd., Solon, Ohio SZYMASZEK, Jan Walter (R) 121 Muir Ave. Niagara Falls, Ont., Canada (Metals Research Laboratories) T rAELER, David 215 Thompson St., New York 12, N. Y. rAILBY, Roland V. (WI) Stylon Corp., Milford, Mass. IAKAHASHI, 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; _'~lta Iron & Steel Co., Ltd.) TA; JRG, Ragnar K . trainmens Glassverk Drammen, Norway TAO, Yung :fp' 3834 W. 117th St., Cleveland, Ohio TARNACKI, Walter J. (WI) ' 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. (WI) >310 Tenth St., Lincoln, III. Jfc (Stetson China Co.) ATEM, William A. W'Box 787, Alfred, N. Y. |PBER, John A. (RI) f||3190 Mayflower Rd. ^Plymouth Meeting, Pa. f? (E. J. Lavino & Co.) ftLER, John B. (W) ^Louisville Pottery Co., Inc. 228 E. Bloom, Louisville 8, Ky. *YLOR, a. L. (XJ) ^Headquarters AMC, Box 1794 pWright Field, Dayton, Ohio R, Albert J. (R) M 'placer Lane, Oak Ridge, Tenn. .4 Ridge National Lab.) ^LOR, Charles D. (S) 3*219 Corriher Ave., Salisbury, N. C. |%(Taylor Clay Products, Inc.) P-OSTER TAYLOR, Charles H., Jr. (RI) 500 Camden Ave., Apt. A1 Moorestown, N. J. (R. C. Rcmmey Son Co.) TAYLOR, Fran (D) Gay Fad Studios, Lancaster, Ohio TAYLOR, Howard U. (WI) 310 Dardis Ave. Menomonee Falls, Wise. (Globe-Union, Inc.) TAYLOR, J. J.. (W) Ohio Brass Co., Barberton, Ohio TAYLOR, Louis J. (W) Laboratory Equipment Corp., Box 352 St. Joseph, Mich. TAYLOR, Nelson W. (BF) Fluorochemicals Dept. Minnesota Mining & Mfg. Co. 900 Fauquier Ave., St. Paul 6, Minn. TAYLOR, Robert B. (S) Structural Clay Products Research Foundation 20 N. Wacker Dr., Chicago 6, 111. TAYLOR, SMITH & TAYLOR CO. (Charles R. Landback) Chester, W. Va. TAYLOR, Thomas J. (R) - Sterner Mill Rd., R. R. 3 Langhorne, Pa. (R. C. Remmey Son Co.) TAYLOR, William C. (G) Corning Glass Works, Corning, N. Y. TEAGUE, A. D. (R) Box 923, Augusta, Ga. (Babcock & Wilcox Co.) TEAGUE, Jo M., Jr. (GI) Quality & Specifications Dept. Owens-Illinois Glass Co. Box 1035-1036, Toledo, Ohio TEETER, John N. (E) 677 Wilmot Rd., Deerfield, 111. (Thomas C. Thompson Co.) TEETOR, Paul (SF) Central Commercial Co., Northfield, 111. TEFFT, Glenn C. (S) Claycraft So., Shawnee, Ohio TEFFT, Phillip W. (SI) 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 (Wilbur S. Deming, Jr.) 100 Park Ave., New York 17, N. Y. TENNERY, Victor J. Findlay, 111. TERMAN, Mark J. (R) Babcock & Wilcox Co. 167 E. 42nd St., New York 17, N. Y. TERNENT, James W,, Jr. (XJ) 131 Rebecca St., Kittanning, Pa. (Eljer Co.) TERRY, Griffin E. (E) 602 E. Willow, Wheaton, 111. (Hotpoint Co.) TETRICK, James D. (SF) 1102 E. Fourth St., Vinton, la. (Vinton Lime & Rock Co.) THATCHER GLASS MFG. CO., INC. (Roy S. Arrandale) 1901 Grand Central Ave., Elmira, N. Y. THEOBALD, Erwin F. (S) 1516--18th St., N. W., Canton 3, Ohio (Metropolitan Brick, Inc.) THEWS, Karl B. (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. (WI) 2550 N. 40th St., Milwaukee 10, Wise. (Globe-Union Inc.) THIEMECKE, Harry W. (WFI) .Homer Laughlin China Co. Newell, W. Va. THIESS, L. E. (WF) Locke Department, General Electric Co Box 57, Baltimore 3, Md. THOMAS, Charles A. G. E. J. & J. Pearson, Ltd., Firebri^ Works, Stourbridge, England THOMAS, Charles W. (Honorary) Clifton House, Old Swinford Stourbridge, England (E. J. & J. Pearson, Ltd., Firebrick Works) THOMAS, David W. (WI) Stangl Pottery, Trenton, N. J. THOMAS, Everett A. (X) 2703 Shaffer Ave., Cincinnati 11, Ohio (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, Ohio (Falls Welding & Mfg. Co.) THOMPSEN, 2nd Lt. Robert S. W.A.D.C. Gen. Delivery, Area B W.PA.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. (RFI) 4922 New Plymouth Rd. Pittsburgh 27, Pa. (Harbison-Walker Refractories Co.) THOMPSON, Franklin S. (W) 25 Schenck Ave., Matawan, N. J. (Atlantic Tile Mfg. Co.) THOMPSON, Frederick S. (GF) Corhart Refractories Co., Inc. 1600 W. Lee St., Louisville 10, Ky. 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 Parldiurst 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. Ceramic Bulletin 4 Also ovc take wc e *< u t vn TON, George A. (M) /a Silica Co., Box 437 , 111. "ON, Paul E. (WI) Lasheart Dr., La Canada, Calif. 0 Coj-p.) T Richard ;ii. Ired, N. Yi 'ER, William R. (D) 1 Ceramics, Inc. 4. Main, Akron 10, Ohio ', Herreld 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. R, Everett E. (W) . 6, Schenectady 3, N. Y. eral Electric Co.) YUER, Hans (BFI) Hixson Pike anooga 5, Tenn. trican Lava Co.) Valter W. . Hunziker & Cie, Lagerstrasse 1 h, Switzerland 5, Harvey L. (MI) 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 vJIAN, John D. (W) burn Tile Mfg. Co. E. Ninth St., Little Rock, Ark. SON, Clifford (R) >tson Refractories Co. 398, Corona, Calif. SOI* JE. Ward (GF) oni Utute, 4400 Fifth Ave. ;bm ^ 43, Pa. (LAKE, 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 LEAD CO. . J. Baldwin) Box C, Bridge Station gara Falls, N. Y. Henry 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. age-Warren-Zimmerman Co.) Henry (M) ; L? Queenston, Ont., Canada mac Ohio Brass Co.) :, Heioert R. (El) 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. TOMKINS, 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. (WJI) R. R.' Bogtown Rd. .. Purdy. Station, N. Y. TOULOUSE, Julian H. (GI) 1817 Potomac Dr., Toledo 7, Ohio (Owens-Illinois Glass Co.) TOWNSEND, William O. (GI) Box 83, Gilboa, Ohio (Sylvania Electric Products, Inc.) TRABERT, Loren A. (WI) 1024 Dodge St., Lake Geneva, Wise. (Pickard, Inc.) TREDENNICK, William T. (RI) Refractory Specialties Co. 2200 Washington Ave. Philadelphia 46, Pa. TREISCHEL, C. C. (WFI) 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., Woodville 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..(RFI) . 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 (RJI) 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 (XJ) Box 445, Station A East Liverpool, Ohio (Louthan Mfg. Co.) TUCKER, Donald J. (MI) 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. (WI) Ferro Corp., 4150 E. 56th St. Cleveland, Ohio TUCKER, Roland E. (WI) 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. (EFI) 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 (WFI) Electric Auto-Lite Co., Spark Plug Div., Box 231 Fostoria, Ohio TWELLS, 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. TYLER. W. S.. CO. (C. E. Jenks) 3615 Superior Ave., N. E. Cleveland 14, Ohio TYSINGER, Ted W. (S) 403 S. Hargrive St., Lexington, N. C. (Cunningham Brick Co.) u U-, Camilo Valencia M. M. Contreras 50-J Mexico 4 D. F., Mexico Roster 93 jjjjJtAIANN,,C. J. (GF) {19 West, St., Worcester, Mass. (Norton Co.) EHRMANN, C. J. (GF) Imperial Glass Corp., Bellaire, Ohio ULEMAN, Turrell (G) 109 Virginia Ave., Aspinwall, Pa. (Pittsburgh Plate Glass Co.) (jLRlCH, Robert J. (E) American Radiator & Standard Sanitary Corp. 1541 S. Seventh St., Louisville 8, Ky. -UNION FRANCAISE DES PRODUITS REFRACTAIRES (Louise Halm) 15, Rue de Milan, Paris 9e, France united CLAY MINES CORP. (K. E. Ward) Oakland & Prospect Sts. Trenton 6, N. J. united GLASS BOTTLE MFGRS., LTD. (J. Tipping) 8 Leicester St. London W. C. 2, England UNITED STATES GYPSUM CO. (C. M. Lambe) 300 W. Adams St. Chicago 6, 111. UNITED STATES STEEL CORP. (W. S. Debenham) 525 William Penn PI. Pittsburgh 30, Pa. UNIVERSAL CLAY PRODUCTS CO. (C. A. Bloor) Sandusky, Ohio UNIVERSAL DENTAL CO. (Joseph Kohn) 48th &. Brown Sts. Philadelphia 39, Pa. UNIVERSAL POTTERIES. INC. (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. (WI) 811 Wilmington Ave., New Castle, Pa. ~S (Universal-Rundle Corp.) PDIKE, George G. (El) 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 FIRE CLAY CO. (C. H. Myers) Box 127, Salt Lake City 10, Utah V VALDES, Thomas H. (X) N. Crescent Dr., Kittanning, Pa. (Eljer Co.) -VALENTINE FIRE BRICK CO., DIV. W a. P. GREEN FIRE 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 St Laurent, Que., Canada VALYI, Ilsabe E. (R) ' 20 S. Broadway, Yonkers 1, N. Y. (A, R. D. Corp.) ALSTEN, Roy L. (RI) 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 (RI) 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. (XJ) 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 HOUTEN, Louis A. (RJ) Lake Rd., Wilson, N. Y. (Carborundum Co.) VANICK, James S. (M) International Nickel Co., Inc. 67 Wall St., New York 5, N. Y. VAN NIEUWENBURG, C. J. Laboratorium voor Microanalyse De Vries van Heyst Plein No. 2 Delft, Netherlands (Delft Technical University) VAN. SCHOICK, Emily C. (XF) New York State College of Ceramics Alfred, N. Y. VAN SCHOIK, Dickson M. (MI) 526 N. Washington, Royal Oak, Mich. (Champion Spark Plug Co.) VAN TASSEIi, 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 WIGGEREN, Charles G. (WI) 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. VEALEi Jack H. (R) 406 Reedwood Dr., Joliet, 111. (Illinois Clay Products Co.) VEIGA, Roberto A. C. O. Ceramica Sta. Helena Caixa Postal, 32 Paranagua-Pr., Brazil VENABLE, Charles R., Jr. (RI) 1660 S. Oak, Bartlesville, Okla. (Phillips Petroleum Co.) VENABLE, Joe G. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. VENERUS, Joseph C. (WJ) 158 Clinton St., Woodbridge, N. J. (Sprague Electric Co.) VERA, Francisco (WI) Privada America 1364 Monterrey, N. L., Mexico (Ladrillera Monterrey, S. A.) VERES, Frank (WI) 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. VIDRIERA MONTERREY, 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. (WI) 10 Farrington Rd., Oceanside, N. Y. {Consultant) VINTHER, E. Heikel Porcelainfabriken Norden Valby Langgade 95 Copenhagen, Denmark VIOLA, Nazzareno, Jr. (RJ) 3032 N St., N.W., Washington, D. C. (National Bureau of Standards) VITOLO, Sylvester A. (RI) 99--65 64th Rd., Apt. 2H Forest Hills, Long Island, N. Y. (Austenal Laboratories) VITREOUS STEEL PRODUCTS CO. (Edgar H. Weil) Box 3991 Cleveland 20, Ohio VITRO MANUFACTURING CO. (Joseph Boyce) 60 Greenway Dr. Pittsburgh 4, Pa.. VODICKA, Albert L. (E) . Aetna Porcelain Enameling Co. 4701 Augusta Blvd., Chicago 51, 111. 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 Hutt, New Zealand VOSS, Raymond O. (G) 26 Pershing St., Coming, N. Y. (Coming Glass Works) VOSS, Walter 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 Roster 95 yllKC'v ICjtl, Milan, Jr. (Ml) 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.) VAGNER, 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. ' V/AHLGREN, 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, Wilbur 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, Warren 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, Arthur (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 REFRACTORIES 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) Walton, s. f. (rfi) Exolon Co., Tonawanda, N. Y. *Vol. 33, No. 10 (1954) WALWORTH, Chester A. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. WAMBOLD, Jack (B) 325 E. Palisades Blvd. Palisades Park, N. J. (Wright Aeronautical Div., Curtiss-Wright Corp.) WAMPLER, Roy W. (G) Libbey-Owens-Ford Glass Co. .Technical Bldg., 1701 E. Broadway Toledo 5, Ohio WANG, Franklin F. Y. , 405 N. Gregory St., Urbana, 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) Johhs-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 (El) Pfaudler Co., Research Laboratory 1000 West Ave., Rochester 3, N. Y. WARSHAW, Israel (B) Glass Research Div. Pittsburgh Plate Glass Co. Creighton, Pa. WARYGA, Casimer F. (R) 342 E. Ashdale, Philadelphia 20, Pa. (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. (WI) 28 Sweetbriar Lane, Levittown, Pa. (Wenczel Tile Co.) WATKIN, Robert W. (W) 2507 St. Clair Ave. East Liverpool, Ohio (Edwin M. Knowles China Co.) WATKINS, Charles Box J--3, Alfred, N. Y. WATKINS, 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. (XJ) Box 178, Farmville, Va. WATT, Charles 4731 21st, N. E., Seattle 5, Wash. WATT, Loren (W) Watt Pottery Co. Crooksville, Ohio WATT POTTERY CO. (Loren Watt) Crooksville, Ohio WATTS, Arthur P. (R). A C Spark Plug Div., General Motors Corp., Dept. 3103 Flint, Mich. WATTS, Arthur S. (Honorary, WFI) Lord Hall, Ohio State University Columbus 10, Ohio 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. (RI) 311 E. Beaver St., Zelienople, Pa. (Lava-Crucible-Refractories Co.) WEBSTER, David (S) Polychemicals Div. West Virginia Pulp & Paper Co. Box 832, Charleston, S. C. WEBSTER, Paul A. (G) Moravia Rd., Avon, Conn. (Hartford-Empire Div., Emhart Mfg. Co.) WEDDELL, 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) WEHTJE, Karl Eredrik A/B Rorstrands Porslinsfabriker Lidkoping, Sweden WEIDEL, Robert A. (G) 497 Apple Orchard Lane Webster, N. Y. (Bausch & Lomb Optical Co.) WEIDENBAUM, Sherman S. (G) 154 W. Third St., Corning, N. Y. (Corning Glass Works) WEIDMAN, V. Wesley (R) 201 Duncan Ave., Wilmington 3, Del. (E. I. du Pont de Nemours & Co., Inc.) WEIGEL, Robert C. (R) 820 Woodlawn, Mexico, Mo. (Mexico Refractories Co.) WEIL, Edgar H. (E) Vitreous Steel Products Co. Box 3991, Cleveland 20, Ohio WEIL, Kurt E. Quimica Industrial Barra Do Pirai Rua Jose Bonifacio 250, 11 Andar Sao Paulo, Brazil WEINER, 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 Roster 97 EINSTEIN, Alex (G) 200 N. Water St., Peekskill, N. Y. (EdnaLite Optical Co., Inc.) EINTRITT, Donald J. <B) 5122 'Pine St., Bellaire, Texas (Baroid Div., National Lead Co.) EI.f Robert L. (G) i |. Second St., Logan, Ohio (General Electric Co.) EISER, Rosabel V. (W) 253 S. Brady St., DuBois, Pa. (Jeffers Electronics Div.) EISKE, Ino (SI) 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. High St., Columbus 14, Ohio ELCH, Richard L. (R) . Dominion Firebrick & Clay Products, Ltd. Claybank, 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 y Staff, Box 2053, M B Station pom, Mich. VEti.5, A. A. (WF) 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. (MJ) 4630 Zane St., Los Angeles 32, Calif. (Gladding, McBean & Co.) WENCZEL, C. (W) Wenczel Tile Co., Box 908 Trenton, N. J. WENCZEL TILE CO. (C. Wenczel) Box 908, Trenton, N. J. WENDT. Nelson E. (W) American Potash & Chemical Corp. 595 Foch Blvd., Williston Park, N. Y. WENGER, A. H. C. Messrs. Wengers Ltd. Etruria, Stoke-on-Trent, England WEXNING, W. F. (E) Ceramic Color & Chemical Mfg. Co. Box 297, New Brighton, Pa. WENTZ, B. B. (S) Belden Brick Co. 700 W. Tuscarawas St., Canton 1, Ohio WERNER, Alan J. (G) 159 Watauga Ave., Coming, N. Y. (Corning Glass Works) WEST, Frank Haslemere Greenlane '.on, 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) 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. WESTERN BRICK CO. (I. R. Cline) Danville, 111. WESTERN CLAY MFG. CO. (A. C. Bray) Box 176, Helena, Mont. WESTERN ELECTRIC CO., INC. (J. W. Scott) 7640 Hawthorne Station Chicago 23, 111. WESTERN ELECTRIC CO., INC. (W. J. Scott) 2525 Shadeland Ave. Indianapolis 6, Ind. WESTERN FELDSPAR MILLING CO. (J. W. Magnuson) Box 671 Salida, Colo. WESTFALL, Emmett M. Box 126, Alfred, N. Y. WESTINGHOUSE ELECTRIC CORP. (John D. HarnisB, Jr.) Derry, Pa. WESTLAKE, 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 WESTMONT, O. B. (R) Johns-Manville Products Corp. Lompoc, Calif. WESTON, Ralph H. (SI) 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. WHEELER, William H. (MI) Box '57, Chesterton, Ind. (Gary Steel Works--United States Steel Corp-) WHEELING STEEL CORP. (Ernest B. Snyder) Steubenville South Plant Steubenville, Ohio WHERRY, Allen P. (El) 9652 Oakdale Rd., Parma 29, Ohio (Hunter-Thomas Assoc.) WHICHER, William C. 224 Ash, Ames, la. WHITACRE, D. D. (R) Whitacre-Greer Fireproofing Co. Waynesburg, Ohio WHITACRE-GREER FIREPROOFING CO! (D. D. Whitacre) Waynesburg, Ohio WHITACRE, Maxwell L. (M) Carborundum Co., Buffalo Ave. Niagara Falls, N. Y. WHITAKER, Fred A. (WI) 64 Linden Ave., Metuchen, N. J. (General Ceramics Corp.) WHITAKER, H. Rustless Iron Co., Ltd. .jgagjaiprrico Works, Keighley, England Whitaker, l. r. (sfi) Carolina Ceramics, Inc., R. R. 3 Columbia, S. C. WHITE, Frank L. (G) 15117 E. Vemor Highway, Apt. 11 Grosse Pointe Park 30, Mich. (Ford Motor Co.) WHITE, George D. (R) Box 474, Norris, Tenn. (Carbide & Carbon Chemical Co.) WHITE, Harold E. (RFI) R. R. 6, "Windy Knoll," Butler, Pa. (Lava Crucible Refractories Co.) Vol. 33, No. 10 (1954) WHITE, J. F. (G) 9208 Adelaide Rd., Bethesda 14, Md. (U. S. Government) WHITE, Jonathan S. (W) 1302 Singer PL, Wilkinsburg Pittsburgh 21, Pa. (Stupakoff Ceramic & Mfg. Co.) Div. Carborundum Co.) WHITE, O'Mara (G) 642 Fairmont Ave., Westfield, N. J. (Carborundum Co.) WHITEHEAD, Merlin H. (E) Columbian Enameling & Stamping Co. Terre Haute, Ind. WHITESELL, Lysle E. (R) Wellsville, Mo. (Wellsville Fire Brick Co.) WHITFIELD, Robert E. (R) Chas. Taylor Sons Co., Box 58 Annex Station, Cincinnati 14, Ohio WHITFORD, William G. (DF) Box 38, Olympia Fields, 111. (University of Chicago) WHITNEY, Eugene H. (R) Gladding, McBean & Co. 945 Elliott Ave., W., Seattle 99, Wash. WHITNEY, John B. (E) 17426 Norton Ave., Lakewood 7, Ohio (Ferro Corp.) WHITTAKER, Clyde M. (W) Box 960, New Castle, Pa. (Universal-Rundle Corp.) WHITTAKER, G. Ward (W) 28 Meade Rd., Ambler, Pa. (Universal-Rundle Corp.) WHITTAKER, Harry (G) American Rock Wool Corp. South Plainfield, N. J. WHITTEMORE, J. W. (SFI) Virginia Polytechnic Institute Blacksburg, Virginia WHITTEMORE, O. J. (S) Vincent Clay Products Co.', Box 603 Fort Dodge, la. WHITTEMORE, O. J., Jr. (RI) Norton Co., Worcester 6, Mass. WHITTEMORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. WICKS, John Simison (W). 333 New Lenox Rd.,. Pittsfield, Mass. (General Electric Co.) WIDEMANN, R. V. Institut de Ceramique Francaise 6 Grande Rue Sevres, Seine Oise, France WIKER, Richard M. (G) 206 Rand Ave., Painted Post, N. Y. (Corning Glass Works) WILANSKY, Harold (G) . 67 Sterling St., Corning, N. Y. (Coming 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 WILDER, David R. (BJ) 1212 S. Third St., Ames, la. (Ames Laboratory-Atomic Energy Commission) WILHELM, William J. 318 Centre St., East Mauch Chunk, Pa. WILKE, William P.. Ill (G) Hammond Lead Products, Inc. 5231 Hohman Ave., Box 912 Hammond, Ind. WILKES, Gordon B. (RF) Box 131, East Orleans, Mass. WILKINS, E. D. Kaiser Bauxite Co. Spur Tree, Jamaica, B. W. I. WILKINS, Ian Hugh (EJ) 27 Prince Charles Dr. Oakville, Ont., Canada (Ferro Enamels (Canada) Ltd.) Roster 99 i /ILLEMS, H. W. V. (G) ' 1513 Pacific Ave., Brackenridge, Pa. (Pittsburgh Plate'Glass Co.) /ILLIAMMEE, G. Darby (R) R.'R. 6; York, Pa. (J. E. Baker Co.) ILLIAMS, Alan B. (RI) 920 Monte Sano Ave., Augusta, Ga. /'"rbcock & Wilcox Co.) I': IMS, Arthur E. (G) *. -* Eighth St., Moundsville, W. Va. (Fostoria Glass Co.) ILLIAMS, Charles (EJ) 8321 14th Ave., Apt. 102 Hyattsville, Md. (National Bureau of Standards) ILLIAMS, Clyde (RF) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio ILLIAMS, Francis J. (M) Baroid Sales Div., National Lead Co. Box 1675, Houston 1, Texas ILLIAMS, Gordon R. (X) Box 186, Florence, Ala. (Stylon Southern Corp.) ILLIAMS, Harry M. (W) Locke Dept., General Electric Co. Charles & Cromwell Sts., Baltimore, Md. ILLIAMS, John A. (W) Box 250, Trenton 2, N. J. (Mitchell-Bissell Co.) ILLIAMS, John C. (W) Franklin Manor, Apt. 3-J2 Morristown, N. J. (Bell Telephone Labs) ILLIAMS, Leroy L., Jr. (EJI) 1143 "Covert Ave., Apt. B-5 Evansville, Ind. (Seeger Refrigerator Co.) LLIAMS, Lloyd D. (G) Corning Glass Works, Danville, Ky. ILLIAMS, Robert A., Jr. (W) American Encaustic Tiling Co., Inc. Ninth St. & Kenilworth Ave. Lansdale, Pa. LLIAMS, Robert B. (W) It' Westwood Ave. C( jhooga, Tenn. (American Lava Corp.) LLIAMS, Robert M.- (RI) 5809 Royal Oak Ave., Baltimore, Md. (General Refractories Co.) LLIAMS, Walter 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) LLMS, Albert E. (M) 476 Parker Ave., Hackensack, N. J. (Whittaker, Qark & Daniels, Inc.) LLS, Robert E. (R) Box 220, Coal City, Illinois (Illinois Clay Products) LLSON PRODUCTS, INC. (Thomas A. Willson) Box 622 Reading, Pa. LLSON, Thomas A. (G) Willson Products, Inc., Box 622 Reading, Pa. -SON, 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| Wh H,, Jr. Clei. , College, Olin Hall Clemson, S. C. -SON, John R. 425 New York Ave., Clairton, Pa. WILSON, Maurice S. (R) Spring Lake Rd., Wallingford, Conn. (American Refractories & Crucible Corp.) WILSON, Ray H. Shaw AF Base, Box 106, Sumter, S. C. WILSON, Robert Charles (WI) Glendale Manor Apts., Apt. 4A Pleasantville, N. J. (Lenox, Inc.) WILSON, Roger E. (R) Box 958, Alfred, N. Y. (Air Force Project, Alfred University) WINBURN, H. L. (S) Box 1369, Little Rock, Ark. (Winbum Tile Mfg. Co.) WINCHELL, Richard (R) 16 A Glenwood Ave. Jersey City 6, N. J. (Seaboard Refractories Co.) WINDISCH, Robert P. (D) Roseville Pottery, Inc. Zanesville, Ohio WINEMILLER, William F. (R) 11 Ardmore Road, Worcester 9, Mass. (Norton Co.) WINKEL, M. Lee (S) Champion Brick Co. 7600 Pulaski Highway Baltimore 6, Md. WINSHIP, Lee C. (G) Sylvania Electric Products, Inc. Emporium, Pa. WINSHIP, William W. (W) 38 Shonnard Ave., Freeport, N. Y. WINSHIP, William W., Jr. (G) Thermal Syndicate, Ltd. Lynbrook, N. Y. WINTER, Aniuta Institut d'optique Theorique et Appliquee, 3, Bid Pasteur Paris (15) France WINTER, William E. (MJ) 2370 Bensonia Ave., Pittsburgh 16, Pa. WISCONSIN PORCELAIN CO. (L. A. Stohl) Sun Prairie, Wise. WISE, L. G. (X) E. I. du Pont de Nemours & Co., Inc. Chemical Dept., Experimental Sta. Wilmington, Del. WISEMAN, Claude F. (S) West Virginia Brick Co. Charleston, W. Va. WISHON, Berhl E. (I) 1436 S. Fourth St., Columbus 7, Ohio WISHOSKI, I. Stanley (R) Industrial Heating 1400 Union Trust Bldg. Pittsburgh 19, Pa. WISNYI, Leonard G. 14 Simplex Ave., New Brunswick, N. J. WISS, J. E. (MFI) 1339 Lincoln Rd., Columbus 12, Ohio (Consultant) WITMER, Frank (G) 612 W. Main St., Woodville, Ohio (Ohio Lime Co.) WITSCHEY, Ray A. (R) A. P. Green Fire Brick Co. 122 S. Michigan Ave., Chicago 3, 111. WITTER, 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. (Eljer 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.) WOOD, Kenneth T. (R) 102 Grace Blvd., Painted Post, N. Y. (Coming Glass Works) WOOD, Lewis C. (R) 1219 E. Fourth S. Salt Lake City 2, Utah (Kennecott Copper Corp.) WOOD, Llewellyn, Jr. (S) Carrington Woods, Milledgeville, Ga. (Oconee Clay Products Co.) WOOD, Russell K. (WI) 3900 E. California St. Pasadena 10, Calif. (Wallace China Co., Ltd.) WOODRUFF, Ernest W. (R) 910 Custer Ave., Evanston, 111. (Refractory Products Co.) WOODS, C. J. (E) North American Philips Co., Inc. Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. WOODS, William J. (W) Box 627, Lewistown, Pa. (Pennsylvania Pulverizing Co.) WOODS, William J., Jr. (W) Pennsylvania Pulverizing Co. 140 Stanwix St., Pittsburgh 22, Pa. WOODVILLE LIME PRODUCTS CO. (J. Robert Cowell, Jr.) 2140 Jefferson Ave., Toledo 2, Ohio WOODWARD, Roger (I) 861 Euclid Ave., Elmira, N. Y. WOODWARD, Thomas R. (W) 2558 Oakwood Ave., Zanesville, Ohio . (Elgee Potteries, Inc.) WOOLDRIDGE, Morris L. (S) 7531 S. Perry Ave., Chicago 20, 111. (Universal Wheel & Abrasive Corp.) WOOLEY, Seward E. (RI) 6 Westbury Bldg., 66 E. Cliff St. Somerville, N. J. (Johns-Manville Research Center) WOOTEN, Richard M. (WJ)' 10 Columbia Ave., Vineland, N. J. (Kimble Glass Co.) WORCESTER ROYAL PORCELAIN CO., LTD. (Joseph F. Gimson) Royal Porcelain Works Worcester," England WORCESTER, W. G. (XFI) 720 Sask. Crescent E. Saskatoon, Sask., Canada WORK, Lincoln T. (M) 15 N. Crescent, Maplewood, N. J. (Consulting -Engineer) WORTHINGTON CORP. (Herbert E. Gallison) Industrial Mixer Div. Plainfield, N. J. WORTLEY, G. W. R. & A. Main, Ltd., Gothic Works Falkirk, Scotland WRIGHT, Edward P. (MI) Box 387, East Liverpool, Ohio (New Castle Refractories Co.) WRIGHT, H. D. (M) 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 Warren St., Alton, 111. Owens-Illinois) WRIGHT, Jack (D) University of Omaha Dept of Fine Arts 60th & 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 !i i \VYATT, 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, Murray (G) Fish-Schurman Corp. 70 Portman Rd., New Rochelle, N. Y. YEATER, Roy G. (G) Ioria Glass Co., Moundsville, W.-Va. II, Bumpei 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. (RI) Cleveland Quarries Co., Amherst, Ohio YOUNG, Vincent M. (G) Bausch & Lomb Optical Co. Rochester 4, N. Y. YOUNG, Willard G. (WI) W. A. Case & Son Mfg. Co. Robinson, 111. YOUNG, W. O. (WI) Box 575, Honeoye Falls, N. Y. (Victor Insulators, 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. (WI) 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. (WI) 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. (El) 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. (WJI) 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. Clair Ave., Box 3115 Cleveland, Ohio ZVANUT, Frank J. (El) 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. (RJ) 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. EICHRAUM, Barlane R. JBevier Rd:, New Brunswick, N. J. FLLWN, John D. (R) 3440 Gallatin Rd., Toledo, Ohio (Owens-Illinois Glass Co.) HAUBEIN, Wendell L. 708 W. 12th St., Rolla, Mo. Vol. 33, No. 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. WELTE, 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.) Roster 103 institute of Ceramic Engineers Membership Roster oer Grade k; Albert S. t, D. F. .eslie R. rg, Charles R. snaan, J. H. jws, Andrew I. iold, Walter H., Jr. trong, Leiand 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. mf, 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, R ^nd E. kbui L Reif e, Vi v..iarn V. , Henry H. sing, Robert Lee le, Arthur J. lenthal, George :er, V. W. ;ar, Edwin J. nger, Robert H. ;e, M. C. ne, Martin 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. linan, Edward E. apbell, Robert M. Tuthers, John L. ter, F. B. ter, Herbert D. twright, S. V. tanaugh, D. J. fford, James M. tistman, H. M. te, Robert L. ttk, John D. mens "-lgene C. e, li \ W. een, _ .iliam W. e,' Sahdford S. junan, Robert L. "ins, Paul F. "ins, William G. .Simons, Charles H., Jr. Saver, 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. Eliard, 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. Funnell, 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. Helser, 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, Walter 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. Laird, 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. Merritt, Clarence W. Merritt, 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. Roster 105 kenhorn, William J. iz, Edwin C. , Gordon R. t, Edward G. er, ^rank R. e,i \rson P. let l D. E. Arthur H. e, James E. ice, Alan T. >t, Harold D. tney, L. E. ie, Frank F. p, Carl H. mer, John J. >des, Fraser B. xles, 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 tuls, j. B. :hoenmger, Irvin W. .-hoeppel, Norman chofield. H. Zane chotts, Walter H. chroeder, Fred W. churecht, H. G. chwalbe, F. G. chwatjzwalder, Karl coff array ,co| iger F. Iharu.oW. L. Russel ;harp, E. W. .haw, L. I. ihaw, Myril C. ihepherd, John F. iherrill. Robert R. iherwood, Robert F. Ihevlin, Thomas S. ihimer. J. B. Siegwald, Clyde 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, Leiand Smoot, Jack M. Snyder, Ernest B. Solomon, Earl Sommerville, J. L. Sosman, Robert B. Speil, 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 jer, 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. Treischel, 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. Whitaker, 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 Grade 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, Car] H. Junior Member Grade Abemetby, Lonnie L. Alexander, John M. Allen, Richard L. Ames, R. N. Anderson, Harry L. Asevedo, Marcello R. V., de Asher, Glen J. Ault, Neil N. Baab, Kenneth A. Barnes, Harry H. Barr, Norman E. Beals, Robert J. Beard, Clinton L. Benbenek, Raymond Bender, Bob G. Bergeron, Gifton G. Bissell, Don W., Jr. Blackwood, James M. Blum, Seymour Bolon, David G. Bradford, Virgil E. Bradley, Fenniraore 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. Dorn, 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, Oegg 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. Muelier, 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 an, Alexander Richard K. - ' Robert W. ' -r, Richard C. -.wa, J/jnea F. od, Milton E. \ Benjamin F. ' er, Donald D. Robert F. oak, Gregory V. Norman D. -..Paul E-, Jr. -, Richard H. 1g, George W., Jr. Edward M. Hal H. ^ , Richard P. id, Richard R. ra Melvin F. ' B. Dean -3>paul F. William C., Jr. ' % Robert R, ^'Norman Keith J. Richard rfers, Alfred C. es,' 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., Ill 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. Twdls, Robert G. Unum, Robert F. Updike, George G. Van Alsten, 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 Waters, 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. I it through 0,atchin; manager alone. KENTUCKY-TENNESSEE flail Claud Have you received your sample of the all-purpose JACKSON BALL CLAY for: Casting, Jiggering and Pressing? Large Supply and Storage Air-Floated Clays Featured KENTUCKY-TENNESSEE CLAY COMPANY Home of Old Mine No. 4 Ball Clay iyfield, Ky. Alliance, O. Paris, Tenn. p: Insulting rvices [Roster Mora than 5200 people in the ceramie industry look to the Ceramie Bulletin tor authoritative informa tion on the latest in ceramie technology. Offer them your consulting services at the time when they're thinking on ceramics. The Ceramic Bulletin 2525 N. High St. Columbus 2, Ohio $10 per single insertion $48 for 12 insertions in one calender year Ceramic Bulletin Jol America The C engineer Presiden of Comr fare, the directort Science] Althoi tinued tenrollxne in mini; physics, prospect Jorgei Ohio, a< director Mr. & Royal 194S, he at Alfre< After I Copenhi superint trical ce newly-fc Vol. 3