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The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

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Strap-secured jaw

Patent drawing of a 19th-century screw wrench showing a side view with movable and stationary jaws, a threaded shank and nut, a hollow handle, and cross-sectional details of the strap attachment mechanism.

SCREW-WRENCH.Jabez C. Terry · July 11, 1854

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