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Ratchet Wrench.
Patent for a new and improved ratchet wrench. This design "relates to improvements in ratchet-wrenches wherein a handle carrying a rotating head having jaws to grasp a nut is provided with pivoted pawls, so that by oscillating the handle the pawls serve to rotate the head and screw or unscrew the nut, bolt, or other device" (lines 8-14).
Date:
March 25, 1884
Creator:
Osborn, Adelbert E.
System:
The Portal to Texas History