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Pipe-Wrench

Description: Patent for a pipe wrench. Illustrations included.
Date: September 20, 1910
Creator: Tiner, John Francis
Partner: UNT Libraries Government Documents Department

Clamp

Description: Patent for a clamp. This device is employed to use a hoisting line attached to well casing or tubing. Illustration included.
Date: November 22, 1910
Creator: Athey, Earl
Partner: UNT Libraries Government Documents Department
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