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Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: August 22, 1905
Creator: Marx, Ernest Max & Moses, Ealy J.
Partner: UNT Libraries Government Documents Department

Car-Coupling

Description: Patent for an innovation in the combination and arrangement of parts for car-couplers including illustrations.
Date: August 7, 1900
Creator: Hawkins, David
Partner: UNT Libraries Government Documents Department
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