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Car-Coupling (open access)

Car-Coupling

Patent for improvements to railroad car couplings granted to Conrad H. Carpenter. Improvements simplify the coupling construction and allow the cars to be couples automatically.
Date: December 27, 1892
Creator: Carpenter, Conrad H.
System: The Portal to Texas History
Ant Trap. (open access)

Ant Trap.

Patent for a new and improved ant trap. This design "compris[es] the sides adapted to encompass an anthill and composed of a bottom, inclined walls, and horizontal top portions, having depending inclined flanges, one of the sides having an opening in its bottom and provided with ways arranged on opposite sides of the opening, a removable receptacle provided with flanges arranged in said ways and having inwardly-inclined walls, and a discharge-tube arranged at one corner of the trap" (lines 77-87).
Date: May 3, 1892
Creator: Royse, John
System: The Portal to Texas History
Extension-Ladder. (open access)

Extension-Ladder.

Patent for a new extension ladder, including illustrations.
Date: May 31, 1892
Creator: Crews, Dayton H.
System: The Portal to Texas History