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Automatic Trough Valve. (open access)

Automatic Trough Valve.

Patent for Automatic Trough Valve that includes improvements to automatic float-controlled type vales for the watering of animals.
Date: November 6, 1917
Creator: Striegler, Fritz
System: The Portal to Texas History
Pecan-Cracker. (open access)

Pecan-Cracker.

Patent for a nut cracker designed especially with pecans in mind. It crushes the pecan shell without damaging the kernel inside.
Date: May 29, 1917
Creator: Black, William L.
System: The Portal to Texas History
Dirigible Automobile-Headlight. (open access)

Dirigible Automobile-Headlight.

Patent for a simple, sturdy mounting for automobile headlights that connects them to the steering gear. It enables the headlights to turn in the same direction as the front wheels of the vehicle, thus continually lighting the direction of travel, even when turning.
Date: September 18, 1917
Creator: Taylor, Martin L.
System: The Portal to Texas History