C. 1862 business card from the Gatling Gun Company of Hartford, Connecticut. The design depicting the famous early machine gun on the front, the weapons particulars on the back. The back reads as follows: " As a practical military Machine Gun, the Gatling Gun has no equal. It fires from 800 to 1000 rounds per minute, has great accuracy, and the larger calibres have an effective range of over two miles. The following calibres are made: .42,.43,.45,.50,.55,.65,.75 and one inch. It has been adopted by nearly all the prinical governments of the world. - Gatling Gun Company, Hartford Connecticut., U.S.A. "