12 A
ANALYTICAL
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High
CHEMISTRY
Vacuum
Whether your high vacuum requirement be filtration—distillation—transference of liquids —evaporation, the New Cenco-Pressovac Pump is fast, economical and serviceable. Try it for effective high vacuum with high pumping speed and quiet operation. Furnished with reliable motors for various line currents and voltages. No. 90550A New Cenco-Pressovac Pump (for vacu u m only) for 115 volts, 60 cycles $75.00 No. 90510A Cenco-Pressovac Pump (for pressure and vacuum) for 115 volts, 60 cycles $75.00
Write Dept. Ε for vacuum, engineering bulletin 10 A.
CENCO CENTRAL
SCIENTIFIC
Scientific
Αρ^ίΛΛαί^Λ. · 9*tii>u4me*vbL · QltemiccUi.
1700 IRVING
NEW YORK
BOSTON
COMPANY
PARK
SAN FRANCISCO
ROAD, CHICAGO
NEWARK
13
LOS ANGELES
TORONTO
MONTREAL