Original issue, US Army Technical Manual, 47 pages, size is 7 3/4" x 10 1/4", stapled, three hole punched, dated 4 February 1963.  This is not a commercial copy or print but an original issue government print issued in 1963.  This publication is titled - TM 5-6115-299-10, Operator Manual for Generator Set, Gasoline Engine: 10 KW, AC, 120/208 V, 3 Phase, 400 Cycle, Skid Mounted, (Bogue Electric Model 5380A).  Publication is designed to provide information and instructions for the operation of this 10 KW generator.  Well illustrated using clear and detailed line drawings.