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Wrench.

Description: Patent for "a wrench adapted to engage the nut of the wheel hub, so that on turning the wheel the nut will unscrew from the threaded end of the axle." (Lines 14-17) Includes instructions and illustrations.
Date: October 30, 1894
Creator: Stambaugh, Julius Locke
Partner: UNT Libraries Government Documents Department

Improvement in Plates for Holding Screw-Cutting Dies.

Description: Patent for plates to hold screw-cutting dies, which allows the threads to be more accurately placed. Dies are also able to work for left handed dies as well as right handed dies.
Date: October 14, 1879
Creator: Geiser, Johan G.
Partner: UNT Libraries Government Documents Department

Gate-Latch.

Description: Patent for a improved gate latch that has "a permanent member carried structure and a swingable member carried structure, which co-act, and are operated by spring action for locking the swingable members against swinging movement".
Date: October 10, 1916
Creator: Ramirez, Simon
Partner: UNT Libraries Government Documents Department
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