US Army Air Force
C-1 Autopilot Technical Manual AN 11-60AA-1
This is an original (not reprint or CD) Handbook of Operation and Service Instructions for the Automatic Pilot Type C-1 System, dated October 1943. The C-1 system was introduced during WWII and used across many bombers of the US Army Air Force and US Navy, including heavy bombers B-17, B-24, and B-29 and medium bombers B-25 and B-26.
This 264-page manual covers all aspects of the C-1 system. This is an original loose-leaf, stapled, unbound edition.