Altimeter MC-3, Astek Instruments, F-4 Phantom II B-25 was based on the Rude

was based on the Rude form as modified by Elmer Collins of the United States Hydrographic Office

Although the image of the instrument panel shows an instrument without the tripmeter reset knob

5 inches long

Liquidometer part number EA101-19 as illustrated on in the US Army Air Force's Flight Manual

Altimeter MC-3, Astek Instruments, F-4 Phantom II B-25 was based on the RudeHere is a combination counter pointer Altimeter, made by Astek Instruments, MS35450 1. The MC 3 Altimeters were used in most models of the US military's F 4 Phantom II's including the models B, C, D, and J. The pointer rotates to indicate altitude in hundreds of feet and the counter rotates to indicate thousands of feet. The knob rotates the barometric pressure adjustment. Measures 3. 25 inches diameter and ~7 inches deep. It is in nice condition for