Resource Type

Month

Impeller-Pump. (open access)

Impeller-Pump.

Patent for an impeller pump with separate sections and parts that can be connected together. The line of pipe of can be withdrawn without removing the head, and there are measures to keep the liner in operative position. The patent includes instructions and illustrations.
Date: March 10, 1914
Creator: Johnston, Horace G.
System: The Portal to Texas History