INDEX TO ADVERTISERS IN THIS ISSUE Professional Tape Co., Inc Robert Peterson Advertising Agency Puffer-Huhbard Pippel-Patterson
127
Sigmamotor, Inc Gelia and Wells, Inc.
125
124
Quickfit Reeve Angel Eckstein-Stone, Inc.
18
Research Appliance Co The Albert P. Hill Co., Inc. Royco Instruments, Inc Norton M. Jacobs Royson Engineering Co John B. Ferguson, Jr.
59
56
r
*S5£gSS&Kw
The Victoreen Instrument Co Palm & Patterson, Inc.
76 100 122
Sadtler Research Laboratories, I n c . . . 14 Romer & Co., Inc. E. H. Sargent & Ço 103:113 Sidney Clayton & Associates, Inc. Carl Schleicher & Schuell Co 29 Wildrick & Miller, Inc. Scientific Glass Apparatus Co., Inc.. . 49 Scientific Industries, Inc. 60 Rick Marrus Associates, Inc. Sep*Ko Chemicals, Inc Ill Faber Advertising, Inc.
tt?£S5SSZf ^^SS^PhS^T-.f.
81
^BSc^^A^^-ii."··- 133 « 3H-S5^"— 67
Sidney Clayton & Associates, Inc. Thermolyne Corp 62 E. R. Hollingsworth & Associates Arthur H. Thomas Co 102:102B The Torsion Balance Co 97 Michel-Cather, Inc. Tracerlab, A Div. of Laboratory for Electronics, Inc. 42:43 Hepler & Gibney, Inc. Tracerlab, A Division of Laboratory for 1 0 8 „ E|ei'ro"ics'. înc-: Bonfield Associates, Inc.
Carbide Corp j . M i Mathes, Inc. U n i v e r s i t y o ( Canterbury Spanjer, Murdoch & Co., Ltd.
Union
Varian Aerograph Bob Barriskill
24 124
„,%.·, τ L . ^ ^ D * Laborator.es, Bonfield Associate's," inc. Waters Associates, Inc Studio D Wilkens-Anderson Co Mandabach & Simms, Inc. Corp wilks Scientific Arthur B. W. Toft & Co.
InstruOBC 89 31
_ _ _ _ _ _ ^ ^ ^ _ Laboratory Supply Center
130
Burdick & Jackson Laboratories Eastern Chemical Corp. „ „ _ . , „ G e o r g e W rG a t e s & C o ' · General Atomic Div., General Dynamics „ , Gollob Analytical Service, Inc. LaMotte Chemical Products Co. Petroleum Analytical Research Corp.
120 —^^^—-^^^^^^—
TIME YOUR TESTS IN SPLIT-SECONDS!
D i s t i l l e d in G l a s s
^
ALL PURPOSE LABORATORY TIMERS MODELS A T $25.00 t o $31.00
...to m e e t e x a c t i n g solvent needs Acetone · Acetonitrile . Benzene · Butanol-1 · Butanol-2 · Carbon Tetrachloride · Chloroform · Cyclohexane · Dimethyl Formamide · Dimethyl Sulfoxide. Dioxane. Ethyl Acetate. Ethyl Ether ."Heptane",95-9° • Hexane, 68-69° · Methanol · 2-Methoxyethanol . Methylene Chloride ./V-Methylpyrrolidone. Pentane. Petroleum Ether,30-60°· Propanol-2 - Tetrahydrofuran · Toluene . Trimethylpentane · Others... Ask for Bulletin BJ-13J
BURDICK & JACKSON LABORATORIES, INC.
U.S. Agencies use F.S.S.
ANALYTICAL CHEMISTRY
GRA-LAB M I C R O TIMERS. Electric Stop Clocks are available in 1/10 sec. or I/1000 min. graduations for split-second measurements of elapsed time in laboratory or production operations. Price $39.50 WRITE FOR COMPLETE
616 PA 2-2310
MUSKEGON. MICHIGAN 49442 Circle No. 133 on Readers' Service Card 132 A
You can set the large 8" dial for any desired time period within an unusually wide range of 3600 possible settings, (ie., I sec. to 60 min., I min. to 60 hrs., etc.). A t end of preset interval, alarm sounds and external load is automatically switched on or off.
CATALOG!
DIMCO-GRAY COMPANY
210 E. Sixth St. DAYTON 2 , O H I O
Circle No. 99 on Readers' Service Card