Compass, Aperiodic, US Navy Aviation, 88-C-845 (Type D-12) Bf-109 such as torpedo bomber TBM

such as torpedo bomber TBM Avenger (see image from TBM Flight Manual)

and a transfer button on the top

but this has not been confirmed

or Naval Air Facility Detroit (MI)

Compass, Aperiodic, US Navy Aviation, 88-C-845 (Type D-12) Bf-109 such as torpedo bomber TBMThe US Navy 88 C 845 (USAAF Type D 12) Direct Reading Aperiodic Navigational Compass was used at the navigators station across many US Navy WWII aircraft, including patrol bombers PBY Catalina, PB2Y Coronado, PB4 Privateer, PV 1 Ventura and PV 2 Harpoon. Made by Bendix, part number 1828 1 A. The navigators' direct reading compass is known as an aperiodic (without a period) compass, since the needle returns to rest quickly and without appreciable