Andrew Jackson and Martin Van Buren (1782-1882) 8th President. 11” x 15 ½” partially printed vellum document signed by both, Washington, May 7, 1829. Countersigned by Attorney General John M Barrien (1781-1856). The document is a patent issued to Henry Rogers for a “…revolving four barreled gun….” Rogers pencil sketch and detailed description is included. The white paper seal and ribbon is attached. The inventor’s page is silked, both documents have been archivally sealed. Some paper loss at lower left corner.