Inventor of the eponymous machine gun which has been estimated to have killed over 250,000 men since 1862. Rare ALS, signed 'R. J. Gatling,' one page, 4.25 x 7.5, April 29, 1878. Gatling answers an autograph request from A. M. Irving, Esquire. In full: ' I am in receipt of your favor of the 24th inst. and cheerfully comply with your request.' In fine condition, with three areas of light regular toning not affecting the signature, and evidence of previous matting to the corners. COA John Reznikoff/University Archives and RRAuction COA.
