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Counterbalancing Device for Pumps. (open access)

Counterbalancing Device for Pumps.

Patent for a counterbalancing device for windmill pumps, which reduces friction and lateral pull on the pump.
Date: March 9, 1909
Creator: Cotten, Charles Kavendor
System: The Portal to Texas History
Pump-Rod-Operating Device for Windmills. (open access)

Pump-Rod-Operating Device for Windmills.

Patent for a new and useful improvement in pump rod operating devices for windmills, including instructions and illustrations.
Date: May 9, 1899
Creator: Vernon, William E.
System: The Portal to Texas History