Pump.
Description:
Patent for an improvement in pumps and "has for its object the provision of a pump providing a counterbalance for the weight of the column of liquid in the suction pipe provided by a vacuum chamber in the pump" (lines 10-14). Illustration included.
Date:
November 11, 1919
Creator:
Haszinger, George Ernest
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department