Month

Pump and Windmill Connection (open access)

Pump and Windmill Connection

Patent for a connection between a pump and a windmill which varies the speed of the stroke.
Date: July 22, 1913
Creator: Slover, James S.
System: The Portal to Texas History
Drainage System. (open access)

Drainage System.

Patent for a drainage system for draining wet lands and lakes.
Date: July 5, 1910
Creator: Osborne, Charles W.
System: The Portal to Texas History