IFF Radio Destruct Switch Box BC-765 WW2; B-17, B-24, B-29 P-38 The metal seal is in

The metal seal is in place in the lower right of the case

The altitude is set by the left knob and is displayed in the right window

This Release Button was mounted on the top horizontal tubing of the pilot's yoke to quickly release the autopilot for manual flight control when seconds counted

a radio freguency carrier which is frequency modulated at a rate of 120 cycles per second between the approximate limits of 420 and 460 mc on the low range (0-400 feet) and 443 to 447 mc on the high range (400-4000 feet)

This sight displays an illuminated reticle on the glass to train the gunner's aim to the enemy target aircraft

IFF Radio Destruct Switch Box BC-765 WW2; B-17, B-24, B-29 P-38 The metal seal is inThe BC 765 Switch Box was installed in the cockpit of many bomber or transport aircraft of WW2 as part of the SCR 595 or 695 Identification Friend or Foe (IFF) radio systems. In the event of potential capture of the aircraft by enemy, the crew was to destroy the IFF system. By pressing the two buttons on this switch simultaneously, charges placed within the radio's cabinet would detonate thus destroying the radio. In original box. Measures 2in x 2in x