Well Pump
Description:
Patent for a well pump. "This invention relates to well-pumps of that character wherein a piston is operatively arranged within an outflow-pipe and having an automatically - closed bottom check - valve opened by the suction produced" (line 8-13). Illustration included.
Date:
March 5, 1907
Creator:
Medlock, Augustus L.
Partner:
UNT Libraries Government Documents Department