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Lubricator.

Description: Patent for a lubricator, which can be put into vehicle wheels to allow for a continuous flow of lubricant.
Date: July 5, 1910
Creator: Hood, Linsey Vestal
Partner: UNT Libraries Government Documents Department

Pipe-Clamp.

Description: Patent for an invention that relates to pipe clamps. It is specifically for a pipe clamp specially adapted for supporting pipes which extend through floors.
Date: September 10, 1915
Creator: Derrick, Virgil H.
Partner: UNT Libraries Government Documents Department