JAMES MONROE & JOHN QUINCY ADAMS. PATENT SIGNED FOR A WHEEL TO PREVENT ROPES FROM SLIPPING, 17 JUNE 1823

Estimate

1,800 - 2,500 USD

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Description

Patent signed ("James Monroe") as fifth President, co-signed ("John Quincy Adams") as Secretary of State, and ("Wm. Wirt") as Attorney General, for a "Wheel to prevent Ropes & Chains from slipping when used for turning machinery," to James Cooper, 17 June 1823

1 page (14 1/4 x 11 1/2 in,; 369 x 290 mm) on partially printed vellum, accomplished in a secretarial hand, embossed paper seal of the United States with green ribbon; engrossment light, James Monroe’s signature is good and John Quincy Adams’ signature is dark, tape remnants on verso at edges from former framing.

Catalogue Note

Virginia born James Cooper was a serial inventor, who also obtained patents for improving Archimedian screws in 1819, and for machinery to supersede the use of cog wheels in 1826.