Manual, "Here's How - Operation of the C-1 Autopilot"
This is an authentic WWII-era illustrated user guide for the C-1 Automatic Pilot System. The C-1 Autopilot system was used extensively in WWII-era bomber aircraft of the US Army Air Forces, including the Boeing B-17 Flying Fortress, the Consolidated B-24 Liberator, and the Boeing B-29 Superfortress.
It is in near-mint condition. 22 pages, Measures 5.5 inches by 8 inches.