M A N U F A C T U R E R S ' LITERATURE
Lab Report, Vol. 3, No. 1. This issue includes descriptions of combination electrodes and the Model 12-BRS blood pll system. Corning Glass Works, Corning, Ν. Υ. Newsletter, No. 21, February, 1966. The Kadet, a new spectrometric digital computer, the Mark I I laser microprobe, and other instruments exhibited at the Pittsburgh Conference are pre sented. Jarrell-Ash Co., 590 Lincoln St., Waltham, Mass. 02154. The Laboratory, Vol. 34:1. A report gives highlights of work at the U. S. Army Material Command's Natick Laboratories. Also a new pH meter, a freeze-drying unit, a Karl Fischer titrator, and various other instruments and new reagents are presented. Fisher Scientific Co., 711 Forbes Ave., Pitts burgh, Pa, 15219. The INFOrmer, No. 9, 1966. The CPiS-70 multichannel peak height digi tizer for colorimetric analyzers is dis cussed and a December meeting for the study of amino acid analysis data inte gration is summarized. Infotronics Corp., 7800 Westglen Dr., Houston, Texas 77142. The Chromatogram, Vol. 6, No. 1. This special issue features the Series 5000 Sclecta-System exhibited at the Pittsburgh Analytical Conference. Barber-Colman Co., Kockford, 111. Re/Actions, Vol. 6, No. 2. A variety of spectrophotometers and accessories is described. Featured are the latest Coleman and Bausch & Lomb models. Aloe Scientific, 1831 Olive St., St. Louis, Mo. 63103. Atomlight, No. 52, March 1966. Two papers presented at the Tenth Sym posium on Advances in Tracer Meth odology, Zurich, March 1965, are published in this issue. Also, new carbon-14 and tritium labeled com pounds now available from the com pany are listed. New England Nuclear Corp., 575 Albany St., Boston, Mass. 02118. Previews & Reviews, 2:66. This is the Pittsburgh Conference issue featur ing the Aerograph Hy-Fl I I I gas chromatograph and the Series 2000 Aerograph biomedical gas chromatographs. Varian Aerograph, 2700 Mit chell Dr., Walnut Creek, Calif.
MEASURE THE DENSITY OF SOLIDS accurately and conveniently Range 0.8 to 2 . 8 9 g/c.c. · Accuracy 0 . 0 0 0 2 g/c.c. Temperature Control ± 0 . 1 °C N o more density measurement problems with difficult flotation or displacement methods. Techne has solved them for you with the Tecam Density Gradient Colu mn developed by ICI England. N o t only is this apparatus accurate and convenient but it can handle many specimens, including small objects, all at the same time. Based on an already w e l l established and widely used technique, Techne is the first to offer this apparatus complete with temperature control for laboratory use. Write for bulletin L M - 0 5 2 7 6 5 .
T E C H N E
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Because they mean a lot to you, they mean a lot to us. That's why S/P maintains 16 distribution centers, offers more than 30,000 items. For example—sterile, ready-to-use, polyethylene Whirl-Pak Bags with pull-tab closures. They hold liquid, solid or granular samples safely and conveniently, discard after use. They can mean a lot in your laboratory. S/P Whirl-Pak Bags No. Dimensions Each Pke. of 500 B1205-6X 7V4"x3" 3φ $15.00 B1205-18X 9" χ 4 % " 4φ 20.00 Send for your free copy of the S/ P1965 catalog of plastics and disoosables. See Buyers' Guide for all products/sales omces. Circle No. 17a on Readers' Service Card VOL. 38 NO 6 MAY 1966 . 157 A
