Inventor of the eponymous machine gun which has been estimated to have killed over 250,000 men since 1862. LS signed “R. J. Gatling,” one lightly lined page, 8.5 x 11, Gatling Gun Company letterhead, October 6, 1884. Gatling writes to the Colt Firearms Factory. In full, “We have a gun, tripod etc. at the New Haven Museum, and understand that the exhibition is to be broken up. Will you kindly have the gun etc. brought to the Armory with your exhibit?” In very good condition, with intersecting mailing folds, light feathering to a bold signature and some light creasing and soiling. R&R COA.