Airspeed Indicator, Sensitive, 700MPH, Army Type F-1A, US Army Air Force, WWII Sally Bomber and protects the lens from

and protects the lens from dirt and oil

the manual is in very good condition given its age

P-61 Black Widow

Not much is known about this altimeter

Airspeed Indicator, Sensitive, 700MPH, Army Type F-1A, US Army Air Force, WWII Sally Bomber and protects the lens fromThe 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