Radio Compass Indicator I-81-A of SCR-269-G and AN/ARN-7 Bf-109

Radio Compass Indicator I-81-A of SCR-269-G and AN/ARN-7 Bf-109The I 81 A Radio Compass Indicator (aka Pilot's Bearing Indicator) is a component of the Radio Compass SCR 269 G system (which evolved into the AN ARN 7), used during WWII. According to the Airborne Radio Equipment Handbook of the Air Service Command dated 1943, this system appeared in versions of the US Army Air Force bombers B 17, B 24, B 25, B 26, B 29, and transports C 46, C 47, and C 54, as well as in any models of these aircraft used by the US

equipped with twin J-34 engines

The glass for #1-2 needs cleaning from the inside

such as the P-38 Lightning

Used for sighting 3"/50 guns

1-2000 lb bomb

an exceptional example indeed

This heavy 8 inch metal calculator was first used during WWII in bombers such as the Lancaster

Here is a set of four original Pilot Handbooks for the US Navy jet fighter F2H-1 Banshee

This is an original WWII-era handbook Identification of Aircraft for Army Air Force Ground Observer Corps was prepared by the US Army Air Force to train ground observers on aircraft recognition skills

This is a recent-era 2

was primarily used in aircraft of the Japanese Army such as the Type 4 Mitsubishi Ki-67 Peggy Bomber

The center knob rotates a flexible shaft connected to a rotatable loop antenna