INDEX TO ADVERTISERS IN THIS ISSUE ° Schleicher & Schuell Co Wildrick & Miller, Inc. °Schoeffel Instrument C o r p . . . . . . . . . J. S. Lanza & Associates °Scientific Glass Apparatus Co., Inc. Steelmet, Inc S. Lawrence Rothman T & T Technology, Inc Marshall Smith and Associates Techne, Inc Harrison Wright Associates, Ltd. "Technicon Corp Mediad, Inc. *Thermolyne Corp E. R. Hollingsworth & Associates * Arthur H. Thomas Co °The Torsion Balance Co Michel-Cather, Inc. °Tracor, Inc Winn-McLane Associates, Inc.
26 47 20 54 103
129 7 102
IFC
38
0
65
"Wang Laboratories, Inc 81 Impact Advertising, Inc. °Waters Associates, Inc 14:128 Thomas R. Sundheim, Inc. • Wilkens-Anderson Co 129 Mandabach and Simms, Inc. *Wilks Scientific Corp 71 A. B. W. Toft & Co. Wilmad Glass Co., Inc 17 George F. Walsh Advertising Agency M. Woelm 109 Linder Presse Union GMBH "Carl Zeiss, Inc , Michel-Cather, Inc.
Philadelphia 19107 . . . James A. Byrne, Reinhold Publishing Corp., 12 So. 12th St., 215-922-0346 Chicago 60603 . . . Eugene P. Eldridge, Reinhold Publishing Corp., 10 So. La SaUe St., 321-726-1282 Cleveland 44114 . . . Michael Hayes, Reinhold Publishing Corp., East Ohio Bldg., 1717 East 9th St., 216-771-4011 Los Angeles 90045 . . . Clay H. Holden, Lynn Gaskill, Reinhold Publishing Corp., 8939 So. Sepulveda Blvd., 213-776-0552 San Francisco 94109 . . . Clay S. Holden, Lynn Gaskill, Reinhold Publishing Corp., 415-421-8080 Denver 80203 . . . Robert H. Heidersbach, Roy McDonald Associates, Inc., 846 Lincoln St., 303-825-3325 Houston 77006 . . . Frank N. Vickrey, Roy McDonald Associates, Inc., 3130 Southwest Freeway, 713-529-6711 Tulsa 74114 . . . Max C. Nelson, Roy McDonald Associates, Inc., 2570 South Harvard Ave., 918-742-9961
94 120
* Ultra Carbon Corp The Jaqua Co. Varian Associates Botsford, Constantine & McCarty, Inc.
Laboratory Supply Center 126:127 Allvac, A Teledyne Co. Bio-Rad Laboratories Burdick & Jackson Laboratories, Inc. Eastern Chemical Corp. GCA Corp., Technology Div. C. Giese KG. Isotopes, Inc., A Teledyne Co. LaMotte Chemical Products Co. Podbielniak, Inc. Pure Aire Corp. Quartz Scientific, Inc. Southwestern Analytical Chemicals Spectratec, Inc. Troemner, Inc. West Coast Technical Service
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Advertising Management for the American Chemical Society Publications REINHOLD PUBLISHING CORP., a Subsidiary of Litton Publications, Inc., Division of Litton Industries, Inc. Thomas N. J. Koerwer, Advertising Sales Director, ACS Publications; Alfred E. Gall, Corporate Production Director, 600 Summer St., Stamford, Conn. 06904. Phone: 203-348-7531. Cable Address: REINPUB STAMFORDCONNECTICUT
Great Britain and Western Europe . . . Brayton Nichols, The American Magazine Group, 44 Conduit Street, London, W. 1, England Japan . . . Sumio Oka, International Media Representatives, Ltd., 2-4, 6-chome, Akasaka, Minatoku, Tokyo, Japan
SALES DEPARTMENT J. Barry Stanford Advertising Sales Manager SALES REPRESENTATIVES
PRODUCTION DEPARTMENT
Stamford Connecticut 06904 . . . J. Barry Stanford, Frank Ryan, Murray Strelitz, Reinhold Publishing Corp., 600 Summer St., 203-348-7531
*See ad in ACS Laboratory
More than likely you already have aTecam thermostatic water b a t h - i t s so quiet, so w e l l made, so efficient, so e c o n o m i c a l ' y o u probably take it for granted. If y o u haven't got one or need a n o t h e r - w r i t e to us and w e w i l l tell y o u all about this full range and the accessories. If y o u have any special requirements, then d o n ' t hesitate to call on Techne's accumulated k n o w - h o w .
Anne Forrest Advertising Production Manager Analytical Chemistry
Guide
HIGH TORQUE STIRRER ONLY
S33.40
COMPLETE
Designed specifically for laboratories where long, c o n tinuous use is required. Sparkless, induction type motor provides continuous 24 hour service for months at a time! A built-in cooling fan eliminates overheating or burning out. No. 8 6 1 0 0 — W A C O Power Stirrer, complete with tubular brass mounting rod and 6 foot cord . . . only $39.40 Stirrer c h u c k s and rods available.
and it comes in five sizes Techne Incorporated 661 Brunswick Pike Princeton N e w Jersey 0 8 5 4 0 U S A Telephone ( 6 0 9 ) 4 5 2 - 9 2 7 5 Circle No. 68 on Readers' Service Card
Order direct or write for descriptive
folder.
Laboratory Supplies and Equipment
wilkens-anderson co. 4525 W. Division St., Chicago, III. 60651 Circle No. 74 on Readers' Service Card VOL. 4 1 , NO. 7, J U N E 1969
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