Radio Receiver BC-348-P Signal Corps US Army A-7 Corsair but all are in original

but all are in original packaging and never used

The E marker was set to the desired Decision Altitude or Minimum Descent Altitude

which indicate airspeed in 100 km/h increments

and can be seen behind the cockpit of many allied fighters and mid spine on multi engine aircraft

Radio Receiver BC-348-P Signal Corps US Army A-7 Corsair but all are in originalThe BC 348 Radio Receiver is a compact American made communications receiver which was mass produced during WWII for the US Army Air Force and US Navy, and used in multi crew aircraft such as bombers B 17 Flying Fortress, B 24 Liberator, B 29 Superfortress, B 25 Mitchell, B 26 Marauder, and transports C 46 Commando and C 47 Dakota. Its use was carried over to aircraft used in the Korean War. This one was converted to AC at some point during its