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Monkey Wrench (open access)

Monkey Wrench

Patent for a type of monkey wrench in which the movable jaw of the wrench is mounted upon the fixed jaw so that it is easily shifted upon the disengagement of a detent for the fixed jaw. This allows the wrench to be held in any desired adjusted position with relation to the fixed jaw.
Date: October 18, 1912
Creator: Joseph Mensik
System: The Portal to Texas History