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in subjects: "Science and Technology - Tools"  
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Wrench.

Description: Patent for a wrench, which has a pipe wrench on one end and a monkey wrench on the other end.
Date: March 8, 1910
Creator: Paul, Zacharier M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pliers.

Description: Patent for pliers for use by opticians in assembling glasses.
Date: November 8, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Washer.

Description: Patent for a hinged washer, which can be removed from a bolt without removing the nut.
Date: February 8, 1910
Creator: Vannoy, John B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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