Radio Control Box BC-450A for SCR-274 Airborne Radio Set US Army the AN-5773-1 made by Electric

the AN-5773-1 made by Electric Autolite (aka Motometer) part number 10322-A was used in fighters P-38L Lightning and P-63 A & C Kingcobra according to the US Army Air Force's Maintenance Interchangeability Cross Reference Chart TO-00-45-1 dated Feb 1945

It displays airspeed up to 700 KPH

and Lockheed C-130 Hercules

maintenance

We have observed this ASI in photos of the instrument panel of the Curtiss Jenny biplane and the post WWI Martin MB-2 Bomber

Radio Control Box BC-450A for SCR-274 Airborne Radio Set US Army the AN-5773-1 made by ElectricHere 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