Double Acting Pump.
Description:
Patent for a new and improved pump. This design is "to provide a novel, simple, and efficient double-acting balanced pump of such construction and mode of operation that the power required to operate it is only such as is requisite to lift the quantity of water discharged at each stroke" (lines 8-13).
Date:
October 12, 1886
Creator:
Ramsey, Haley S.
Partner:
UNT Libraries Government Documents Department