American inventor (1742–1824) during the Revolutionary War. He is credited with creating the first submarine ever used in combat, while studying at Yale University in 1775. He called it the Turtle because of its look in the water. ADS, signed “D. Bushnell Capt. & senior officer of the Corps of Sappers & Miners,” one page, 8.75 x 5.5, February 18, 1783. Bushnell writes, in part, “I certify that Corpl. Joshua Bundy was transferred AD 1780 from the first Connecticut Regt to the Corps of Sappers & Miners.” Mounted and framed with an image of Bushnell and two images of his ‘Turtle’ submarine to an overall size of 17.75 x 20.25. In fine condition, with intersecting folds and a rough bottom edge. RR Auction COA.
