Ammeter Strommesser Luftwaffe Fl32509-4 A4 Skyhawk The C-12 Altimeter was used

The C-12 Altimeter was used across all aircraft of the Air Corps US Army

such as in versions of the heavy bomber Lancaster and fighters Spitfire and Beaufighter

the TBM Avenger Torpedo Bomber

Also common to the British version is the stamped statement "Do Not Jar Handle Like Eggs"

According to Flight Magazine dated 1957

Ammeter Strommesser Luftwaffe Fl32509-4 A4 Skyhawk The C-12 Altimeter was usedThis is a WWII era aircraft Ammeter (Strommesser) Fl 325509 4, as used in aircraft of the German Luftwaffe. It is 1 3 4" diameter, and 1 3 4" deep mounted in a black, steel cylinder by two small slotted screws. It has a movable pointer to indicate the current in an electrical circuit. There is a "0" above an "A" at center position flanked by a "L" and a "E" to the left and right of the scale, likely indicating negative or positive draw. stamped in