Rotary Force Pump.
Description:
Patent for a new and improved rotary force-pump. This design "consists in a rotary force-pump constructed with a tubular standard provided with one or more flexible tubes having interior half-tubes and an interior cylinder mounted upon a crank-shaft and provided with adjustable bars carrying rollers whereby a liquid can be raised by the successive action of the said rollers upon the said flexible tubes" (lines 22-29).
Date:
April 14, 1885
Creator:
Serdinko, John
Item Type:
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Partner:
UNT Libraries Government Documents Department