MANUFACTURERS' LITERATURE Environmental Equipment. A 16page guide to multi-chamber environ mental equipment for simultaneous comparative testing of electronic and electro-mechanical devices is available. Cincinnati Sub-Zero Products, 3930 Reading Ed., Cincinnati 29, Ohio. 6 1 6 Gas Chromatography. Descriptive bulletins are available on gas chroma tography instrumentation. Brochures cover the Models: GC 1500, 1600, and the research instrument, 2500. MicroTek Instruments, Inc., 550 Oak Villa Blvd., Baton Rouge 1.3, La. 617 Infrared Accessories. A 50-page literature packet describing all acces sories for the company's infrared spec trophotometers is available. Individual data sheets cover various attachments. Beckman, Scientific and Process In struments Division, 2500 Harbor Blvd., Fullerton, Calif. 618 Steroid Analysis by GC. A 12-page bibliography covers significant publica tions from 1960 through 1962 in the field of steroid analysis by gas chroma tography. Listing is in alphabetical order by author, and special notice is given to analyses in biological media. Research Specialties Co., 200 South Garrard Blvd., Richmond, Calif. 619 Chart Integration. An 8-page bul letin describes the use of an automatic chart integrator with strip chart re corders. Disc Instrument, Inc., 3014-B Halladay St., Santa Ana, Calif. 620 Microscope Accessory. A 6-page bul letin describes and illustrates the '•Vacutherm." This instrument is a vacuum heating stage for high tem perature microscopv with a range to 1800° C. Wm. J. Hacker & Co., Inc., P. O. Box 646, West Caldwell, N. J. 621 Microscopic Techniques. A 4-page bulletin describes and pictures the re search metallograph, "Metaphot." Ex amples are given of the various appli cations of this instrument. Wm. J. Hacker & Co., Inc., P. O. Box 646, West Caldwell, N. J. 622 On-Line Wet Chemical Analysis. An 8-page brochure describes the Monitor II, an analytical system for wet chemi cal, "spot check" quality control or continuous on-line chemical assay of process streams. Technicon Controls, Inc., Chauncey, Ν. Υ 623 Laboratory Equipment. A 20-page, 2-color bulletin illustrates and describes the company's product line. Featured are various types of centrifuges, ultramicrotomes, homogenizers, accessories, pipets, and a new cell fractionator. Ivan Sorvall, Inc., Norwalk, Conn. 624
Quick as a wink*
* Mixing time required for one typical laboratory procedure reduced from 20 minutes to 11 seconds!
Mams Cyclo-Mixers make mixing or agitation in tubes or small flasks quick, complete, and easy. You can mix liquids of different densities, prepare emulsions, dissolve solids of low solubility efficiently and conveniently. Single-Unit Cyclo-Mixer: When used with unique Clay-Adams Foot Switch, leaves both hands free for holding tubes or flasks. Cyclo-Mixer, Single-Uniti with Foot-Switch each $68.50 Cyclo-Mixer, Two-Unit each $154.00 Cyclo-Mixer, Four-Unit each $248.00
For prolonged, controlled mixing in test tubes, use Two-Unit or Four-Unit Cyclo-Mixers . . . 3 speeds with separate motor and speed control for each tube. Available from your dealer.
New York 10, Ν. Υ. Circle No. 42 on Readers' Service Card
Washing
Glassware's
Quick and Easy with
New, Automatic Triple-Action
Roto-Rack by UtetoltmL· Space-saving, economical ROTORACK, with Automatic wash, rinse, distilled rinse and extra-high pressure spraying, is a powerful, efficient, fastaction washer for almost all glass ware. Yet it is built so compactly that it can be used on any laboratory counter top. Its u n i q u e l y - d e s i g n e d centerless rotary conveyor and s c i e n t i f i c a l l y placed jet sprays assure that no glass surface can escape the strong and repeated a c t i o n of hot detergent spray, hot water rinse and final dis tilled water rinse. Simpie and easy to operate, always reliable ROTO-RACK is the low-cost, high-production washer for your labo ratory glassware. We'll be happy to send you literature describing it fully. ROTO-RACK is also a v a i l a b l e w i t h f l o o r stand.
Laboratory Service Division
/
Metalwash®
Designers and manufacturert of all types of laboratory gtasswar· / washers, animal cage washers, bottle washers, bottle fillers and dryers. /
MACHINERY CORPORATION
Ett«blith«d I t 2 6
905 North Avenue / Elizabeth 4, New Jersey
/
Circle No. 82 an Readers' Service Card
VOL. 35, NO. 6, MAY 1963
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147 A
