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Nut-Lock

Description: Patent for a "cheap, simple, and durable nut-lock which will be efficient to prevent a nut from working loose on a bolt, to prevent the bolt from turning in its socket, and to also permit the bolt to work or play slightlyin its socket to yield to the movement of the rails when a train is passing" (lines 20-26).
Date: September 20, 1892
Creator: Nelms, Alexander P.
Partner: UNT Libraries Government Documents Department
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