Tough, hard alumina com•
SEES
position insures absence of contamination.
ALUMINA
Entirely new shape can be •
MORTAR AND PESTLE
firmly gripped and held firm with comfort.
C a t a l o g No. 524
Φ
MADE OF ALUMINUM OXIDE
VDF PRECISION TORQUE BALANCE
W i l l not slide or mar pol ished desk tops.
SPEED, ACCURACY and EASY READING for SERIES WEIGHING
Bulletin 524 upon request
COORS PORCELAIN C O M P A N Y COLDEN COLORADO Circle number 51 A-1 on Readers' Service Card, page 41 A
HIGH GAIN AMPLIFIER AND
REGULATED POWER SUPPLY F o r Thermocouples, and Similar Type
Thermopiles Detectors.
T h e inher ent speed and accuracy of these balances m a k e t h e m highly suitable for use in filling operation involving ampoules, cap sules or powders and for weighing materials subject to atmos pheric deteriora tion. T h e sensi tivity, minimized oscillation of the read ing h a n d together Avith the elimination of par allax errors a n d the absence of axle friction per mits exceptionally good reproducibility. Advanced design does away with point similar parts easily damaged.
hearings or
MODEL C $198.00 Cat. No. Î2203 0-500 mg., max. load 2000 mg. (with attachment weights) Value of 1 scale division at 0-500 mg. is 1 mg. (Other Models available up to a capacity of 22 grams with scale division values ranging from 0.002 mg. to 0.02 gr.) Accessories are available for special purposes, i.e. measuring sur-
Operates on frequencies between 2 and 20 cycle signals. Peaked for any frequency response desired. The Power Supply is regulated and free from noise. Bulletin, No. 810 upon request.
face tension, determining specific gravities, blood analyses. Bulletin VDF available on request.
NEW YORK
Laboratory Supply
FARRAND OPTICAL CO., Inc. H O N X BLVD. & EAST 2 3 8 t h STREET NEW YORK 7 0 . NEW YORK Circle number 51 A-2 on Readers' Service Card, page 41 A
V O L U M E 2 6, NO. 6, JUNE
1954
CQ-Μ,ΡΑΝ Y INC.*
KEY TO ALL LABORATORY SUPPLIES
76 Varick Street, New York 13, Ν. Υ. Telephone:
CAnal
6-6504
Circle number 51 A-3 on Readers' Service Card, page 41 A
51 A
