American inventor and manufacturer (1849-1940) who developed a successful dry-plate photography process and, with his twin brother, Francis, co-founded the Stanley Motor Carriage Company, which built the famous ‘Stanley Steamer.’ Partly-printed DS, signed “F. O. Stanley,” one page, 14.5 x 11.5, June 20, 1917. Hebron Academy diploma issued to Margaret Merle Usher. Signed at the bottom by Stanley as the academy’s president. Framed to an overall size of 16 x 13. In very good condition, with moderate overall rippling and some scattered creases. RRAuction COA.
