Astro Compass, Mk II, and Case, Boes H-21 I are fitted in the

I are fitted in the pilots' panels

the gyro produced vertical attitude signals which were amplified and transmitted to the autopilot system and indicators on the flight deck of the aircraft

made by Hoffman

This is a matched set of dual engine Torque Pressure / BMEP Indicators

Astro Compass, Mk II, and Case, Boes H-21 I are fitted in theA WW2 vintage aircraft Astro Compass, Mk II, in its original bakelite case, used for celestial navigation. Used across many versions of US Army Air Force aircraft with navigator crew during the era, such as bombers B 17 Flying Fortress, B 24 Liberator, and B 29 Superfortress, and transports C 46 Commando, C 47 Dakota, and C 54 Skymaster. The compass would be placed in a fixed mount on top of the instrument panel or in the navigators compartment, and