Astro Compass, Mk II, and Case, Boes H-21 It is very similar to

It is very similar to I-65 compass indicators used in aircraft of the Air Corps US Army during WW2 (the primary difference in appearance being the centerpoint of direction

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

the 6A/1581 appeared in the DeHavilland Mosquito

with an antenna wire connect from the top of mast to the top of the tail

I are fitted in the pilots' panels

Astro Compass, Mk II, and Case, Boes H-21 It is very similar toA 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