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Car-Coupling.
Patent for improvements in car-couplings by using a combination of “a rod pivoted at its front end to the side of the draw-head and pivotally connected at its rear end..... when the draw-head is driven to the rear by the force of the blow received in coupling with another draw-head, the lug will be pressed to the front,” (lines 30-40) illustration is included.
Date:
March 17, 1891
Creator:
Bright, Tom Full
System:
The Portal to Texas History
Plow.
Patent for a subsoil plow that is adjustable and includes a root cutter.
Date:
October 17, 1911
Creator:
West, William O.
System:
The Portal to Texas History