Price List of Chemical And Bacteriological Apparatus And Assayers Supplies
Price List of Chemical And Bacteriological Apparatus And Assayers Supplies
Eh Sargent And Company
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, CHICAGO. ! DISCHARGE. 250 AIR PUMP Laboratory Water Jet Vacuum Pump. For the rapid creation and maintenance of a vacuum for filtration, percolation, evaporation, distillation and condensation. This pump has no moving parts, and consequently no wear and tear. The motive power required for working the same, does not exceed a head of 15 feet of water. Capacity of pump, with 20 pounds water pressure: $ cubic foot displacement per min. Of air at atmospheric pressure. Complete, as shown in illustra...tion, including exhauster, vacuum gauge, connecting tee and 2 cocks. Price, net 12. 00 252 Laboratory Steam Jet Vacuum Pump. Same as above, but constructed for operation by steam. Complete, as illustrated, including exhauster, vacuum gauge, connecting tee, stop and check valve. Price, net Larger sizes of the above exhausters made to order. 12. 00 254 OR FILTER PUMP, Muencke's, of glass, simple and power- ful, with one suction tube 1. 40 256 Same as above, with two suction tubes. 1. 50 258 OR FILTER PUMP, Wetzel's, of glass, the most powerful glass Filter Pump at present on the market, requiring only one-third of the usual time for producing an equivalent vacuum, raising a column of mercury to 720 mm.
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