Directional Gyro, Aircraft Instrument Manuf., 200DCFM Douglas Here is an authentic WW2-vintage

Here is an authentic WW2-vintage Carburetor Temperature Indicator as appeared in the early versions of WW2 Fighters Curtiss P-40B Warhawk and Lockheed P-38A Lightning

such as bombers B-17 Flying Fortress

200 inches

Here's a helpful video on the Astrograph from a fellow enthusiast

Directional Gyro, Aircraft Instrument Manuf., 200DCFM Douglas Here is an authentic WW2-vintageThis 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.