for work in a controlled atmosphere
BLICKMAN DO YOU KNOW THIS VACUUM DRY BOX Designed for safe handling of radio-isotopes, reactor fuel containing Plutonium or U233 and other hazardous substances. With air-lock, it can be sealed to create a vacuum. Fabricated of stainless steel p l a t e - 3 4 " long χ 26" high χ 24" wide at base. Air-lock measures 18" χ 12". Send for Technical Bulletin A-2.
for safe handling of radio active materials
YOUNG LADY....
« n make over 5 0 0 color difference determinations daily w i t h the GARDNER HIGH-SENSITIVITY SELFSTANDARDIZING AUTOMATIC COLOR-DIFFERENCE METER? N o other instrument approaches the speed of this n e w model Color Difference Meter designed for color quality control in mass production. Non-technical per sonnel, after t w o or three hours' training, can operate this instrument with ease and precision. Simply place a sample on the exposure area, operate a three-position rotary switch and then read the three scales which indi cate reflectance, redness-greenness, blueness-yellowness. In less than 6 0 seconds a color difference deter mination is completed. HIGH PRECISION I N ALL HUE, VALUE, A N D C H R O M A RANGES FOR PAINT, PLASTICS, CERAMICS, LEATHER, CELLULOSE, RUBBER, PAPER, F O O D , TEXTILES, CHEMI CALS, TOBACCO, A N D OTHER PRODUCTS.
BLICKMAN
FUME HOOD Originally designed and developed for the AEC, this Fume Hood assures maximum safety in the handling of radioactive materials and radioactive isotopes. Sturdy 14-gauge stainless steel, round corner construction provides long life . . . easy cleaning and decontamination. Send for Techni cal Bulletin E-3. S. Blickman, Inc., 9605 Gregory Avenue, Weehawken, N . J.
• EXTREMELY PRECISE MEASUREMENT OF DARK COLORS NOW POSSIBLE. • SEMI-AUTOMATIC STANDARDIZING FEATURES. • HIGH-SENSITIVITY EXPOSURE HEAD. • UNIQUE CABINET DESIGN. • NO EXPOSED CABLES. • RAPID DETERMINATIONS.
the l4*Uted StaUi. /l*uL CaAi&ut Canada
BLICKMAN LABORATORY
EQUIPMENT
Look for this symbol of quality
Blickman-Built
Circle Nos. 148-1, 148-2 on Readers' Service Card
Write us for descriptive
GARDNER
literature.
LABORATORY, I N C .
Dept. PC, P.O. Box 5 7 2 8 Bethesda 14, M a r y l a n d Circle No. 15 on Readers' Service Card VOL. 3 1 , NO. 5, MAY 1959
·
89 A
