Directional Gyro, Aircraft Instrument Manuf., 200DCFM Douglas 25 inches diameter and ~10

25 inches diameter and ~10 inches deep

Model 1122

5" wide by ~4" tall

as used in the US Air Force Strategic Bomber the B-36H Peacemaker (see illustration of the B-36H Engineers Station Panel from the B-36H flight manual dated 1954 showing the location of this indicator with the right red dot)

such as bombers B-17 Flying Fortress

Directional Gyro, Aircraft Instrument Manuf., 200DCFM Douglas 25 inches diameter and ~10This is a slaved Directional Gyro made by Aircraft Instrument Manufacturing for Aviation Safety, part number 200DCFM. Measures 3. 25 inches diameter and ~10 inches deep. The glass is clear and intact. The knob rotates the compass card to select the desired direction of flight.