Original issue, US Army Field Manual, 63 pages, size is 8" x 10 1/4", stapled, three hole punched, dated 24 May 1985.  This is not a commercial copy or print but an original issue government print issued in 1985.  This publication is titled - FM 1-508-1, Maintaining Aviation Life Support Equipment (ALSE): Maintenance Program.  Publication is designed to provide information and instructions to establish a standaradized ALSE maintenane progeam and support the need for an adequate shop at all levels of maintenance.  Illustrated using line drawings and form formats..