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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design "consists in the combination, with a draw-head, of an L-shaped lever pivoted in the same and provided at its angle with a lug, which L-shaped lever has a coupling-pin suspended from the end of the long arm, and has its short arm passed into an aperture in the inner end of a bar sliding in the bottom of the draw-head, whereby when the lug is depressed the coupling-pin will be raised and the bar in the draw-head will push the link out from the end of the draw-head" (lines 7-17).
Date:
June 12, 1883
Creator:
Appell, Charles E.
System:
The Portal to Texas History
Combination Level.
Patent for a new and improved combination level. This design "is broadly to provide a combined carpenter's and surveyor's level of a cheap, simple, light, and durable form, and adapted for use as a carpenter's plumb and level or a surveyor's level interchangeably without the removal or change of any of its parts; and to this end in consists in the conformation and arrangement of parts" (lines 19-26).
Date:
June 12, 1883
Creator:
Sands, James Harley
System:
The Portal to Texas History
Combined Tent and Bed.
Patent for improvements in the construction of a combined folding bed and tent.
Date:
June 19, 1883
Creator:
Perez, Mitchel
System:
The Portal to Texas History
Plow.
Patent for a plow with a convex moldboard and a landside, or shoe, which in combination acts as a turning plow and subsoiler.
Date:
June 12, 1883
Creator:
Kennedy, George Finlay
System:
The Portal to Texas History