Resource Type

Automatic Cut-Out for Windmills (open access)

Automatic Cut-Out for Windmills

Patent for a windmill part which stops the windmill from running when the water tank is full.
Date: July 16, 1907
Creator: Roesler, John
System: The Portal to Texas History
Cattle Guard. (open access)

Cattle Guard.

Patent for improvements and new features to cattle guards on railways, including illustrations.
Date: September 16, 1902
Creator: Miller, Martin L.
System: The Portal to Texas History