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Car Coupling.
Patent for a new and improved car-coupling. This design calls for two u-shaped metal pieces, one narrower than the other, each with eyes at their ends. A metal rod, which doubles as a handle, threads the eyes, connecting the pieces and allowing for the two loops to butterfly; one car can be bound to each of the loops with a metal pin.
Date:
August 22, 1882
Creator:
Stopple, John J.
System:
The Portal to Texas History
Improvement in Methods of Adjusting Signaling-Mirrors.
Patent for an improvement in the "method of throwing reflected light of a mirror with accuracy upon a distant object in flash-signaling" (lines 5-7), including illustrations.
Date:
April 22, 1873
Creator:
Kenney, Martin M.
System:
The Portal to Texas History
Improvement in Insect-Destroying Compounds.
Patent for an insecticide that kills ants via fumigation. Ingredients include sulfur, charcoal, potassium cyanide, arsenic, and coal tar.
Date:
September 22, 1874
Creator:
Tottenham, John William
System:
The Portal to Texas History