This is an original issue, US Army Technical Manual, 51 pages, size is 8 1/4" x 10 3/4", stapled, three hole punched, dated 25 August 1970,  This is not a commercial copy or print but an original manual published in 1970 and republished in 1990 to include changes 3 through 7.   Title of publication is -  TM 10-1670-262-12, Operator and Organizational Maintenance for STABO Extraction System, Personnel and Anchoring Device, Cargo and Personnel Lowering.  Publication is designed to provide information and instructions for the operation and maintenance of this STABO system.  Very well illustrated using detaile line drawings and photographs.