The Activator, Volume 1, Number 8, May 1945 Page: 181
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CAT. No. 93235
DP-Four-Compartment, Three-Jet Glass Diffusion Pump
- Attains pressures less than 5x10- - Speed of pumping
at 10.4 mm, 30 liters per second. A Cenco-Hyvac or Cenco-
Pressovac Pump is an ideal backing unit. Constructed en-
tirely from "Pyrex" brand glass, No. 93235 Diffusion Pump
contains three jets, catchment lobes and four fractionating
boiling compartments which greatly improve the speed and
vacuum obtained. Side tubes are placed to drain the upper-
most lobe and for the connection of a gage for measuring
the forepressure. Each of the boiling compartments con-
tains heating coils with sealed-in terminals. These are pro-
portioned for proper heating, when connected in series. Cur-
rent requirements 1.5 to 2.4 amperes Each $180.00
CENTRAL SCIENTIFIC COMPANY
SCIENTIFIC INSTRUMENTS LABORATORY APPARATUS
NEW YORK TORONTO CHICAGO BOSTON SAN FRANCISCO
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American Chemical Society. Dallas/Fort Worth Section. The Activator, Volume 1, Number 8, May 1945, periodical, May 1945; [Dallas, Texas]. (digital.library.unt.edu/ark:/67531/metadc67672/m1/21/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .