Airspeed Indicator, Sensitive, 700MPH, Army Type F-1, US Army Air Force, WWII Cessna The knob turns and the

The knob turns and the display rotates as it should

The AN/APQ-24 mock-up inspection took place at Boca Eaton in May 1947

Here is a WWII-era Hand Bearing Compass

Here is an authentic WWII-era Recognition Poster of aircraft of the Empire of Japan (both Army and Navy) published by the Division of Naval Intelligence of the US Navy in April 1942

This is a Machmeter

Airspeed Indicator, Sensitive, 700MPH, Army Type F-1, US Army Air Force, WWII Cessna The knob turns and theThe Army Type F 1 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 1 was made by Bendix, part number 739U 03, and has a serial