American inventor (1818-1903) best known for his invention of the Gatling gun, considered to be the first successful machine gun; his other inventions include a screw propeller and a wheat drill, a hemp break machine, a steam plow, a marine steam ram, and a motor-driven plow. Bold ink signature, "Yours truly, R. J. Gatling,” on an off-white 5 x 2.75 card. In fine condition. Encapsulated and graded by PSA/DNA as "MINT 9."
