Windmill (open access)

Windmill

Patent for a windmill. It turns creating rotary motion, caused by the wind, which is used as a pumping power source.
Date: November 2, 1905
Creator: Doty, David
System: The Portal to Texas History
Tank-Valve. (open access)

Tank-Valve.

Patent for tank-valves in which “a valve may be readily detached for renewal or repairs and adaptable without material change of structure to any of the various forms and structures of tanks manufactured.” (Lines 18-22.) Illustration is included.
Date: January 3, 1905
Creator: Burchett, Edward Lee
System: The Portal to Texas History