Original issue, US Army Technical Manual, 59 pages plus one fold out page of schematics, size is 8 1/4" x 10 3/4", stapled, three hole punched, dated 1 September 1969. This is not a commercial copy or print but an original issue government print issued in 1969 and republished in 1982 to include chnage 1. This publication is titled -TM 11-5820-510-12-1, Installation and Operation for Radio Set,AN/PRC-41A. Publication is designed to provide information and instrutions for the use and operation of the PRC-41A. Very well illustrated using photographs and detailed and clear line drawings.