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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design "consists, [primarily], of certain devices whereby the coupling-pin raised in the draw-head is supported until the draw-heads strike each other in coupling, when the coupling-pin falls by gravity" (lines 17-21).
Date:
November 15, 1881
Creator:
Thomason, John W.
System:
The Portal to Texas History