US Army Air Force Fighter Gunnery, 1st Edition, Training Manual, June 1944 C-7 Our theory is that the

Our theory is that the Eugene Sherman Company was contracted to design and manufacture pilots compasses for use in the WWI R

It is in good condition given its age

See photo of the A-20G Instrument Panel from the A-20G Erection and Maintenance Manual showing the indicator for the port engine next to the one for the starboard engine

The Army Type D-7 Airspeed Indicator was used across a number of US Army Air Corps and Air Force aircraft during WWII

US Army Air Force Fighter Gunnery, 1st Edition, Training Manual, June 1944 C-7 Our theory is that theThis is an original Fighter Gunnery Training Manual as used in aerial fighter combat training of pilots of the US Army Air Force during WWII. Its 115 pages cover all that is necessary to know by fighter pilots for air to air combat. It is in good condition for its age. The pages are intact. The cover has become detached from its lower staple, but it is otherwise reasonable condition. Measures 8. 5 x 11 in and about 1 2 in thick.