Compass, Aperiodic, US Army Air Force Type D-12 NOS Short Sunderland These systems were put into

These systems were put into use on the Northrup F-89 Scorpion and Lockheed F-94 Starfire Fighter/Interceptors in the 1950's

The main dial measures time

This example has the pneumatic connection attached

as used in aircraft of the German Luftwaffe

Here is an electric Fuel Flow Indicator (Verbrauchs-anzeiger)

Compass, Aperiodic, US Army Air Force Type D-12 NOS Short Sunderland These systems were put intoThe US Army Air Force Type D 12 Direct Reading Aperiodic Compass was used at the navigators station across many US WWII aircraft, including heavy bombers B 17, B 24, B 29, medium bombers B 25 and B 26, and transports C 46, C 47, and C 54. Made by Bendix, part number 1832 1 A, it has a serial number prefix of AF 43, indicative of a manufacturing year 1943. This compass is New Old Stock and is in its original box with matching serial numbers, a real