Turn and Bank Indicator, (Wendezeiger) Luftwaffe, Fl 22402, Pneumatic Short Sunderland as confirmed in its parts

as confirmed in its parts list dated 1957

Activation can be set by time by using the timer adjacent to the key

The post war USN fighter F8F Bearcat used the AN5780-3 as documented in its Erection and Maintenance Manual dated 1948

The metal sheath would be screwed on from the outside to secure it in place

but it is either non-functional or requires the correct electrical input to function

Turn and Bank Indicator, (Wendezeiger) Luftwaffe, Fl 22402, Pneumatic Short Sunderland as confirmed in its partsThis is an experienced yet fine example of an early WWII era German Wendezeiger (Turn and Bank) Fl 22402, as used in aircraft of the Luftwaffe, such as the Bf 109, Me 110, and Ju 87. This example has the pneumatic connection attached. Made by Askania, it has a manufacturing date of Feb 14, 1935. Measures ~3 inches diameter and 5 inches deep. The case paint shows some corrosion, but the glass and face markings are intact, as is the floating ball within