MANUFACTURERS' LITERATURE
Λ New
PARR
Company Periodicals
Oxygen Bomb Calorimeter
Requests for copies oj the following publications, catalogs, etc., should be sent directly to the address shown. Business or professional letterheads are requested.
with automatic temperature control
Amber Hi-Lites. No. 81. This issue contains an article entitled "Macroreticular Ion Exchange Resins IV. Amberlite IRA-93, a Weak Base Anion Exchange Resin for Aggressive Water Supplies," and has a page of ion ex change abstracts. Ion Exchange Dept., Rohm & Haas Co., Philadelphia, Pa. 19105.
Pressure Reactors in bench scale sizes for use at e l e v a t e d t e m p e r a t u r e a n d pres sures
Lablog. No. 2-64. This 12-page issue describes a new analytical balance, syringe pumps, a new gas chromatograph, plastic ware, and new pH meters. Will Scientific, Inc., Box 1050, Rochester, Ν. Υ. 14603.
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Gelman Solutions. Spring 1964. This 14-page issue discusses a vacuum pump, filtration equipment, and equipment for electrophoresis and chromatography. Gelman Instrument Co., Ann Arbor, Mich. 48106. What's New for the Laboratory. N o .
53, Spring 1964. This 20-page issue features furnaces, torsion balances, an alytical balances, a new pH meter, a titrator, a magnetic stirrer, and a line of spectrophotometer cells. Scientific Glass Apparatus Co., Bloomfield, N. J. Lab-ORATORY. May 1964. This 22page issue describes six new balances and also includes a chromatography catalog supplement. Schaar Scientific Co., 7300 W. Montrose Ave., Chicago, 111. 60634.
PARR INSTRUMENT C O . 211 Fifty-Third St.
Moline, Illinois
Circle No. 67 on Readers' Service Card
HOFMAN model HLDT Helium Dewar!
Labitems. No. 2B. This special 12page issue describes a galvanic cell oxygen analyzer, temperature indica tors, freeze dryers, water distillers, plastic ware, balances, and other lab oratory equipment. Greiner Scientific Corp., 22 N. Moore St. New York, Ν. Υ. 10013. Science Tools. Vol. 10, No. 3. This 30-page issue includes articles on Im munoelectrophoresis and an amino acid analyzer and discusses electrophoresis equipment. LKB Instruments, Inc., 4840 Rugby Ave., Washington, D. C. 20014.
Small Bombs
The new 4-in-l
Previews & Reviews. May 1964. This 8-page issue features the Aero graph Moduline Model 204 gas chromatograph. Wilkens Instrument & Re search, Inc., P. O. Box 313, Walnut Creek, Calif.
• 4 detachable tail sections for each dewar body size • choice of 3 helium capacity dewar sizes • all 4 tail sections fit all 3 dewar body sizes Ideal for the scientist who needs an econ omical method for performing a variety of experiments. Interchangeable Model HLDT components provide complete flexibility in research on magnetics, masers, infra-red, ultraviolet, X-rays, and gamma and neutron radiation. Dewar Bodies — In 1, 3 or 5-liter sizes. Flanged outer bottoms for easy access to tail sections. All stainless steel with superinsulating vacuum of 1 0 " 9 mm Hg for nitrogen and helium reservoirs. Leak-tested for less than 10~ 6 micron cu/ft/hr. Tail Sections — Four basic styles, in aluminum, brass, copper or steel. Special high vacuum " 0 " rings for easy attachment to dewar bodies. Type " M " — for magnet field work,· lengths from 6 to 15 inches. Type " 0 " — f o r optical work, with 1, 2 or 4 windows. Type " N " — f o r nuclear work, w i t h aluminum bottom and optical window. Type "R" — f o r X-ray work, with 2 optional windows. Send for Bulletin #2017 today!
hofman LABORATORIES THE COMPLETE UNE OF CRYOGENIC EQUIPMENT 225 PARKHURST ST., NEWARK, N.J. West Coast Facility: Paul Chemical Co. 6750 Caballero Blvd., Buena Park, Cal. Circle No. 47 on Readers' Service Card VOL 36, NO. 9, AUGUST 1964
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