Compass, Magnetic, Type B-20 Vertical Card, WWII, US Army Air Force KC-97 and may have been installed

and may have been installed aside others like it in a large multi-engine piston-powered aircraft

which is aligned to peer through the circular window between his feet

as used in aircraft of the US Navy such as the SBD Dauntless Dive Bomber

for dual engine aircraft of the US Army Air Corps during WWII

Compass, Magnetic, Type B-20 Vertical Card, WWII, US Army Air Force KC-97 and may have been installedHere is a WWII era Type B 20 Direct Reading Magnetic Compass, made by Autoflight, part number 2221. The B 20 Compass design is unique in that it contains a magnetic horizontal float suspended in damping fluid that engages the directional pointer on a vertical compass card to display direction. The pointer indicates the direction of aircraft flight. The knob in the lower left corner manually rotates the course indicating pointer (i. e., the two