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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.
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