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Car-Coupling.
Patent for "construction and arrangement of arrow-shaped draw-heads and lever-bars adjustable upon rack-bars for the purpose of raising and lowering the draw-heads" (lines 16-20)including instructions and illustrations.
Date:
April 20, 1880
Creator:
Gray, John D.
System:
The Portal to Texas History
Spark-Arrester.
Patent for concepts and designs used to improve performance of Spark-Arresters used in the smoke stacks of locomotives with illustrations and instructions.
Date:
April 6, 1880
Creator:
Wiggin, John E.
System:
The Portal to Texas History