Resource Type
Counties
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Car-Coupling.
Patent for an automatic car-coupler that operates without someone having to go to between the cars. It is simple and compact.
Date:
February 27, 1894
Creator:
Calhoun, Cloud B.
System:
The Portal to Texas History
Force-Pump.
Patent for a simple, inexpensive, and efficient double action force pump that has one cylinder and one plunger. It also equalizes the opposite strokes of the plunger, and pushes water into the common chamber with both strokes.
Date:
October 2, 1894
Creator:
Thompson, John W.
System:
The Portal to Texas History