32 A
ANALYTICAL
CHEMISTRY
CALORIMETER ParrACCESSORIES HAVE MANY LABORATORY
USES
THERMOMETER R E A D I N G LENS A 3-power magnifier in a telescopic mounting. Easily clamped on any thermometer or burette of 6 to 16 mm. diameter.
One of the most eagerly awaited instruments in laboratory history is now here!
PARR No. 3003
PELLET
PRESS
A convenient hand-operated press with stainless steel punch and die for compressing p o w d e r e d materials into I/2" ^ia. pellets up to y2" thick. Special 1 4 " dia. punch and die available also. PARR No. 2811
TURBIDIMETER A visual extinction type turbidimeter used mainly for rapid sulfur and sulfate determinations. Sturdily constructed — easy to operate — moderately priced. PARR Spec. 2400 gives complete details.
• Never Before Such Accuracy In A Projection Balance—accuracy in h u n d r e d t h s of milligrams! • Actually Two Balances In O n e !
Ask your PARR Dealer for prices, or write direct.
• An analytical balance reading directly to 1/10 milligram • A N D a high precision research balance reading directly to 1/100th milligram
• Weighings in Seconds! • Most Economical Balance For Analytical Weighings! • Cut* Capital Outlay • Reduces Operator Gist and Training
See Your Laboratory Dealer For Complete Information. Or Write For Voland Bulletin #27describes Universal Balance in Detail. A Product of The Finest in American Ingenuity and Craftsmanship
Parr
VOLAND
INSTRUMENT COMPANY MOLINE,
AND SONS, INC. N e w Rochelle, N e w York
ILLINOIS
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$895
MAKERS OF CALORIMETERS AND PRESSURE REACTION EQUIPMENT
