Resource Type
Counties
3 Matching Results
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Traction-Engine Frame and Engineering Device.
Patent for a frame and steering device for traction engines allowing easier movement and control of a traction device because the engine can be steered through one of the traction wheels.
Date:
May 30, 1911
Creator:
Slimp, William L.
System:
The Portal to Texas History
Switch.
Patent for a switch for trolley lines that can be triggered from inside the trolley car.
Date:
December 12, 1911
Creator:
Torrence, Otis M.
System:
The Portal to Texas History
Tire-Tightener
Patent for a tire tightener. Illustrations included.
Date:
February 21, 1911
Creator:
Slay, Frank F. & Henry, Squire M.
System:
The Portal to Texas History