Aircraft Instruments by Emanuel Stieri 1943 C-121 The Indicator is in exceptional

The Indicator is in exceptional condition for its age

This is a pair of 1940-50's vintage dual engine Oil Pressure Gages

For the earth

The instrument measure approximately 4 inches wide and 10 inches tall

Aircraft Instruments by Emanuel Stieri 1943 C-121 The Indicator is in exceptionalHere is a hardback bound pocket reference for Aircraft Instruments by Emanuel Stieri published in 1943. With over 200 black and white illustrations, Stieri discusses most of the instruments used in aircraft of that era, including tachometers, airspeed indicators, gyro horizons, compasses, drift meters, quantity and temperature indicators, and more. The author describes the instruments, how they function, and the most common servicing procedures.