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Deep Well Pump.

Description: Patent for a new and improved well pump. This design consists in "the timber bed arranged on the bottom of the well, in combination with two superposed metallic cylinders connected by a stock, said stock being provided at the bottom with inwardly-turned flanges made fast to said bed" (lines 55-60).
Date: March 22, 1887
Creator: Clark, Alexander Evans
Partner: UNT Libraries Government Documents Department