arr CALORIMETER ACCESSORIES
P
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.
FOR ALL SCIENTIFIC AND
PARR N o . 3003
INDUSTRIAL USES
PELLET
PRESS
A convenient hand-oper ated press with stainless steel punch and die for compressing powdered materials into 1/2" dia. pellets up to y2" thick. Special 14" dia. punch and die available also. PARR N o . 2811
TURBIDIMETER A visual extinction type turbidimeter used mainly for rapid sulfur and sul fate determinations. Stur dily constructed — easy to operate — moderately priced. PARR Spec. 2400 gives complete details.
• Sheet, W i r e , Tubing, G a u z e a n d Fine Foils. • Platinum M e t a l Catalysts — forms a n d on carriers.
Concentrated
• Electrodes, Stills, Retorts a n d other Special Process Equipment t o o r d e r .
Ask your PARR Dealer for prices, or write direct.
• L a b o r a t o r y w a r e s o f all description. • Salts and Solutions. Palladium, Iridium, Osmium, Rhodium a n d Ruthenium. We pay highest prices for scrap platinum and also have facilities for prompt recovery of spent platinum and palladium catalysis WE I N V I T E YOUR INQUIRIES AND W I L L BE GLAD T O SEND THESE FOLDERS ON REQUEST: A C - 2 0 , "Platinum, Gold & Silver for Science, Industry & the Arts' A C - 2 1 , "Platinum and Palladium Catalysts."
THE A M E R I C A N PLATINUM W O R K S PRECIOUS METALS SINCE < 1875 > Circle
12 A
231 NEW JERSEY R.R.AVE., NEWARK 5, N . J .
libers 12 A-1, 12 A-2 on Readers' Service Card, page 39 A
Parr
INSTRUMENT COMPANY Μ Ο LI Ν Ε,
;•
ILLINOIS
É£TL; j i 8 ; é â i ï !
MAXERS-OF CAtORlMBTERS AND :i"RÉS5ute*:REACTION EQUIPMENT Circle numbers 12 A-3, 12 A-4, 12 A-5 on Readers' Service Card, page 39 A
ANALYTICAL
CHEMISTRY
