Turn and Bank Indicator, Electric, PN 3906-1M-A1 Martin but could be opened and

but could be opened and cleaned if desired

The Distant Reading Compass was standard equipment in most multi-engined aircraft in the RAF throughout World War II until it was replaced by the Sperry ‘Gyrosyn’ compass

including carriers Hiryu

Judging from the alternating lettering color of white and Munsell green

a few are duplicate

Turn and Bank Indicator, Electric, PN 3906-1M-A1 Martin but could be opened andHere is a 1950 60's era electric Turn and Bank Indicator made by Bendix. Measures 3. 25 inches diameter and ~ 6 inches deep. It is in very good condition. The glass and dial are intact, as is the bank indicator with fluid and ball intact.