ACE AUTOMATIC PIPETTER
6R0NWILL \
•Fills and Pours Automatically, Rapidly.
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• Interchangeable: One Head For All Capacities, All Volumes. • Short lipping Angle.
Cat. No. 8004. Interchangeable volumetric bulbs give reproducible volumes within ± 1 % for capacities greater than 5 ml. Smaller capacities to within ±0.1 ml. reproducible. Please specify volume of bulb and flask capacity when ordering. Specifications and prices: Erlenmeyer Flask ï 29/42, 500 ml.: $2.60 each, 1000 ml.: $3.10 each. Flask Head ï 29/42: $11.80 each. Interchangeable Volumetric Heads J 14/20, 1, 3, 5 ml.; $3.75 each; 10, 15 ml.: $3.85 each; 20, 25 m l . : $3.95 each.
Ace Interchangeable Tissue Grinder Cat. No. 8345. A precision ground instrument for macerating tissue. Rod and barrel are interchangeable. Rod is ground its entire length and can be reversed for double life. Rod fits Ace Cat. No. 1200 Β Flex-grip Chuck, forming a flex ible coupling to the motor drive when mechanical operation is de sired. Price complete Barrel $3.75.
$6.75, Rod $3.00,
SPECIFICATIONS: Ground section of barrel 82 mm. Overall length of barrel 125 mm., length of ground rod 240 mm. Barrel clearance of .005 to .008" meets G.S.A. specs.
ACE GLASS
I N C O R P O R A T E D
STILL THE BEST VALUE FOR YOUR MONEY Here is just the right laboratory temperature control unit. Light est weight (only 5 lbs.), compact and portable . . . so that any container can be converted quickly and easily to an efficient constant temperature bath. Extremely ac curate (to ±0.01°C). Wide range (0°-100°C). Operates safely even in a very shallow immersion depth (33^")· Direct and simple setting of precise temperature (utilizes very sensitive Mercury contact controls—not bi-metal). Adjustable rate of flow from a few drops per minute to a remarkable 12L/minute . . . And priced sensibly . . . compare features with less expensive units which are much less rugged, less accurate, less dependable. Just drop us a note and we'll send complete details.
BRONWILL SCIENTIFIC A D I V I S I O N OF W I L L S C I E N T I F I C , I N C .
Louisville, Ky., \Ζ\Πθ\θ.ηΟ
Ν . J .
Circle No. 21 on Readers' Service Card 96 A
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ANALYTICAL CHEMISTRY
Springfield, Mass.
224 N. Goodman St., Rochester 1, Ν. Υ. Circle No. 36 on Readers' Service Card