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Viscosity from unknown to known in 30 seconds. Brookfield Portable Viscometers give you accurate viscosity measurements in seconds. With 8 speeds, 7 spindles and 56 measuring ranges, the versatility of these instruments is almost limitless. No fiddling, no fussing. You get direct readings from 1 to 64,000,000 in Brookfield Centipoises (the viscosity "language" understood throughout the world). And Brookfield Viscometers are as precise as they are convenient — accurate to ± 1 % of full scale. Write for our latest catalog, today.
No. 900-3
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Brookfield ENGINEERING LABORATORIES. INC. STOUGHTON
23, MASS.
Circle No. 25 on Readers' Service Card
No. 2070
Designed for the rapid and accurate determina tion of thiamin, riboflavin, and other substances which fluoresce, in solution. The sensitivity and stability are such that it has been found particularly useful in determining very small amounts of these substances. PRECISION SCIENTIFIC CO.
GCA™ CORPORATION
.KLETT SCIENTIFIC PRODUCTS, PHOTOELECTRIC COLORIMETERS · BIO-COLORIMETERS COLORIMETER-NEPHELOMETERS · COLONY MARKER • KLETT REAGENTS · GLASS CELLS
Klett
Manufacturing Co., Inc.
179 EAST 87TH S T R E E T , NEW YORK, Ν. Υ. Circle No. 67 on Readers' Service Card
Circle No. SO on Readers' Service Card VOL. 4 0 , N O . 7 , JUNE 1 9 6 8
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