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Stirrup.

Description: Patent for certain new and useful improvements in stirrups, including instructions and illustrations.
Date: June 20, 1899
Creator: Dickerman, Daniel Frederick.
Partner: UNT Libraries Government Documents Department

Air-Brake Coupling

Description: Patent for an air brake coupling for use on trains that opens the air valves when the coupling is attached.
Date: June 20, 1911
Creator: Winton, Robert A.
Partner: UNT Libraries Government Documents Department
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