Airspeed Indicator, Sensitive, 700 Knots, Army Type F-1A, US Army Air Force, WWII Nick Fighter When pushed in and rotated

When pushed in and rotated

This is an authentic WWII-era Bomb Release Control as used in bomber aircraft of the US Army Air Force and US Navy

a two-piece mounting clamp

its function is unknown

The 2-inch

Airspeed Indicator, Sensitive, 700 Knots, Army Type F-1A, US Army Air Force, WWII Nick Fighter When pushed in and rotatedThe 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 1A was made by Kollsman, part number 739BU 03, and has a