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Pump
Patent for a water pump. Illustration included.
Date:
March 22, 1904
Creator:
Park, Henry Jackson & Darrough, Rufus Clark
System:
The Portal to Texas History
Pump.
Patent for rotary pump designed to counterbalance thrust at each step by a "series of lifting-wheels mounted upon a common shaft" (lines 10-11) in order to minimize wheel thrust.
Date:
October 22, 1901
Creator:
Baker, Josheph W.
System:
The Portal to Texas History