Airspeed Indicator, Sensitive, 700MPH, Army Type F-1, US Army Air Force, WWII Bf-109 See image of spec sheet

See image of spec sheet

The B-20 Compass had a small module containing magnets at the top of the compass to compensate for deviation

and this one was restored and certified to working order by Tim

Operability unknown

The cover appears to have detached and repaired at some point

Airspeed Indicator, Sensitive, 700MPH, Army Type F-1, US Army Air Force, WWII Bf-109 See image of spec sheetThe Army Type F 1A Airspeed Indicator was used across a number of US Army Air Corps and Air Force aircraft during WWII, including heavy bombers B 17, B 24, B 29, medium bombers B 25 and B 26, as well as light bomber A 20, according to the Accessories Interchangeability Chart dated Feb 1945. It was also used in versions of US Army Air Force WWII fighters P 38, P 39, P 40, P 47, and P 51. This F 1 was made by Bendix, part number 739U 03, and has a