Original issue, US Army Technical Manual, 102 pages plus 4 fold out pages of block diagrams, size is 8 1/4" x 10 3/4", stapled, three hole punched, dated 15 January 1986.  This not a commercial copy or print but an original issue government print issued in 1986 and republished in 1988.  This publication is titled - TM 11-5820-919-12, Operator and Organizational Maintenance for Radio Set AN/PRC-104(A).  Publication is designed to provide information and instructions for the operation and  repair and maintenance requirements and procedures for this radio set. Very well illustrated using clear and detiled line drawings and photographs.