Airspeed Indicator, Japanese Army Aviation, Type 98 WW1 It consists of a master

It consists of a master unit containing both the gyro and magnetic elements normally stowed in a part of the aircraft away from large masses of magnetic material which would distort the Earth’s magnetic field

The Army Type D-7 Airspeed Indicator was used across a number of US Army Air Corps and Air Force aircraft during WWII

black and white and color

This is a fine example of an WWII-era Suction Gage

a high resolution

Airspeed Indicator, Japanese Army Aviation, Type 98 WW1 It consists of a masterThis original WWII era Airspeed Indicator, Type 98, made by Tanaka, was used in a variety of aircraft of the Japanese Army. It displays airspeed up to 700 km hr. Measurement begins at 50 knots along the outer scale with the pointer at the 6 o'clock position, rotating clockwise as speed increases up to 400 km hr, at which point airspeed is indicated along the inner scale up to 700 km hr. According to the online Funatsu Aviation Instruments Museum, this