Airspeed Indicator, 700MPH, Army Type F-2, US Army Air Corps, WWII FW-190 but the directional lens is

but the directional lens is absent in this specimen

It is in terrific condition given its age

we believe that it is likely an Elgin made between 1931-1939

The highly unusual design

The Vertical Gyro module was intended to maintain the aircraft in level flight

Airspeed Indicator, 700MPH, Army Type F-2, US Army Air Corps, WWII FW-190 but the directional lens isThe Army Type F 2 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 2 was made by Bendix, part number 1426 37A A6, and has a