Radio Control Box BC-450A for SCR-274 Airborne Radio Set C-54 whose purpose is instead fulfilled

whose purpose is instead fulfilled by a caging screw on the bottom of the case which is uncaged upon installation

This is a Cold War-era Periscopic Aircraft Sextant and Case

It is in nice condition given its age

Model 4060P

Radio Control Box BC-450A for SCR-274 Airborne Radio Set C-54 whose purpose is instead fulfilledHere is an authentic WWII era Radio Control Box BC 450A was a component of the SCR 274 N command radio set as used in aircraft of the US Army Air Force and US Navy such as heavy bombers B 17, B 24, and B 29 and medium bombers B 25 and B 26. SCR 274 was a multi channel, multi component aircraft radio receiving and transmitting system (see 2 page description in photo gallery). The BC 450 provided the pilot with remote control of 3 radio receivers. This