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Improvement in Automatic Brake-Setting Mechanism for Pneumatic Brakes.
Patent for improvements in pneumatic brakes with simple construction for higher efficiency in trains including instructions and illustrations.
Date:
January 5, 1915
Creator:
Weldon, Robert J.
System:
The Portal to Texas History
Plow.
Patent for "heel sweeps" for plows, which are a construction of wings that that sweep the furrow on either side of the plow.
Date:
January 5, 1915
Creator:
Randolph, James W.
System:
The Portal to Texas History