Airspeed Indicator, 700MPH, Army Type F-2, US Army Air Corps, WWII
The 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 serial number prefix of AC-42, indicative of a 1942 manufacturing date. This example has a red line marked at ~370 MPH, likely the recommended operating limit of the aircraft in which it was last installed.
It is in very good condition given its age. The dial and glass are intact. The interior glass has some spots that could be opened and cleaned. Measures 3.25 inches diameter and ~2 inches deep.