Airspeed Indicator, 700MPH, Army Type F-2, US Army Air Corps, WWII B-17 and appeared on the F4

and appeared on the F4 Phantom II (see photo)

This is a Japanese Voltmeter

The scale contains markings in the US Navy style color Munsell Green

one marked for Autopilot Release and the other for Hydraulic Panel Lights

Airspeed Indicator, 700MPH, Army Type F-2, US Army Air Corps, WWII B-17 and appeared on the F4The 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 Kollsman, part number 586BK0142, and has a