Gunners Information File USAF Manual No 20, for B-29 Superfortress F-4 Phantom This is a fine example

This is a fine example of a BC-434-A Remote Control Box for the aircraft receiver BC-433 of the Radio Compass SCR-269 system for direction finding and homing

called a throat

The face is embossed BU AERO US NAVY (i

The closest example in appearance was used in the 1960's US Navy jet fighter Grumman F-11 Tiger

and updated in 1941

Gunners Information File USAF Manual No 20, for B-29 Superfortress F-4 Phantom This is a fine exampleThis post WWII era bound edition of the US Army Air Force's Gunners Information File consists of several separate WWII era manual publications combined into one hardback volume. The first section of ~100 pages describes the operation and maintenance of the . 50 Caliber Browning M2 Aircraft Machine Gun. The 80+ page second section describes sighting and sights. The 30 page third section deals with aircraft recognition. The fourth section discusses