The NALGE CO., Inc

Volk Radiochemical Co. 5412 No. Clark St., Chicago 40, III. Weber Showcase & Fixture Corp. 5700 Avalon Blvd., Los Angeles, Calif. Western Scientific ...
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ANALYTICAL

INSTRUMENTS. INC.. presents A watched pair of versatile, high precision instruments

Science House, Inc. Box 7 9 1 3 , Pittsburgh 16, Pa. Spectra Bind Associates 1323 Carroll St., Brooklyn 13, Ν . Υ . Tennessee Industrial & Analytical Laboratory P.O. Box 7 0 0 1 , Knoxville, Tenn. Thermco Laboratories Johnson Road, Michigan City, Ind. Volk Radiochemical Co. 5 4 1 2 N o . Clark St., Chicago 4 0 , III. Weber Showcase & Fixture Corp. 5 7 0 0 A v a l o n Blvd., Los Angeles, Calif. Western Scientific Apparatus 1 7 4 0 University A v e . , Berkeley, Calif. Wilkens-Anderson Co. 4 5 2 5 W . Division St., Chicago, III. Wisconsin A l u m n i Research Foundation P.O. Box 2 0 5 9 , Madison 1 , Wis.

INDEX TO ADVERTISERS A POTENTIOSTAT and A CURRENT INTEGRATOR For all analytical and synthetic applications of controlled potential electrolysis and coulometry at controlled potential. Available separately for other purposes also. ANALYTICAL INSTRUMENTS, I N C . R.F.D. N o . 2 Bristol, Conn. For further information, circle numbers 6 2 A - 1 , 62 A-2 on Readers' Service Card, page 63 A

NALGON PLASTIC

FLEXIBLE TUBING

SQUARE K N O T S are not among the important re­ quirements of a good plastic tubing, but perfect flexi­ bility is. Nalgon has proven its flexibility in many out­ standing laboratories . . . along with •

COMPLETE NEUTRALITY · HIGH CHEMICAL RESISTANCE



ABSOLUTE SAFETY ·



TRUE TRANSPARENCY ·

EXCELLENT DIMENSIONAL STABILITY RESISTANCE TO AGE-YELLOWING

. . . and it's ECONOMICAL! You'll find many higher priced plastic tubings, but you will not find a better one, at any price, than N A L G O N .

Ai your Laboratory Dealer

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Supply

TheNALGE CO., Inc.

NALGE

ROCHESTER 2. Ν. For further information, circle number 62 A-3 on Readers' Service Card, page 63 A

62 A

Y.

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