27   Jackson, Andrew. 7th President of the United States, 1829-1837.

Partially Printed Document Signed as President. Accomplished in manuscript. Four pages, elephant Folio on vellum, Washington DC, March 30, 1835. Being Letters Patent granting a patent to Christian Custer and Daniel Pennypacker of Montgomery County, Pennsylvania, for an improvement in Horse Power, and including a lengthy description of the invention in two detailed manuscript pages on the second leaf of the document, in the words of the inventors themselves. Signed by President Jackson on the first page. Countersigned by John Forsyth as Secretary of State, and Benjamin F. Butler as Attorney General. White paper and wax seal, with original pink ribbons that attach the document to the second vellum leaf bearing the description of the invention, which might be described as a sort of circular treadmill, useful for "... threshing machines, team boats, rail road cars, and everything else where horse power is necessary." . Top right corner of second leaf is somewhat frayed, and the fill-ins with the names of the inventors and the invention are very light, otherwise the overall condition is Fine.
Estimated Value $1,500-2,000.