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CENCO Vapor Equivalent Apparatus for residues from natural gas
No. 27920 Cenco Vapor Equivalent Apparatus only, without accessories or motor stirrer, thermoregulator or transformer . . . $257.00 Ask for circular No. 1256
T h i s n e w i n s t r u m e n t accurately measures t h e volume of vapor produced b y a u n i t volume of liquid. A n d i t also determines molecular weights b y a n a d a p t a t i o n of t h e Victor M e y e r method. Samples a r e tested easily a n d quickly, each determination t a k i n g a b o u t 10 minutes. Vapor equivalent determinations c a n b e m a d e of residues from n a t u r a l gas samples o r of a n y liquid with a v a p o r pressure of more t h a n 4 m m . a t t h e t e m p e r a t u r e of t h e vaporization bulb. T h e Cenco Vapor Equivalent A p p a r a t u s , is a development of Phillips Petroleum C o m p a n y and is manufactured a n d sold b y Central Scientific C o m p a n y u n d e r a license agreement.
cenco The most complete line of scientific instruments and laboratory supplies in the world
CENTRAL SCIENTIFIC COMPANY 1708
IRVING
PARK ROAD
·
CHICAGO
13, ILLINOIS
BRANCHES AND OFFICES—CHICAGO · NEWARK • BOSTON . WASHINGTON · DETROIT . SAN FRANCISCO · SANTA CLARA · I O S ANGELES · REFINERY SUPPLY COMPANY—TULSA · HOUSTON CENTRAL SCIENTIFIC CO. OF CANADA. LTD.—TORONTO · MONTREAL · VANCOUVER · OTTAWA For further information, circle number 9 A on Readers' Service Card, page 55 A
VOLUME
2 7, N O . 1 1 , N O V E M B E R 1 9 5 5
9A
