Ammeter/Voltmeter, WWII Japanese Aircraft Douglas It is labeled Fl

It is labeled Fl

It has a screw-type heeling compensator

all documentation we've seen on these aircraft illustrate the type B-5 ignition switch

This is a fine specimen of a WWII-era British Engine (or Cylinder Head) Temperature Indicator

medium bombers

Ammeter/Voltmeter, WWII Japanese Aircraft Douglas It is labeled FlThis is a Japanese Voltmeter or Ammeter. The scale is labeled to a value of 2. 0, and "2000V" is embossed in small lettering in the upper right of the dial, so we aren't sure of the exact function or application. It is presumed to be a WWII era indicator used in aircraft of the Japanese Army or Navy. This has not been verified. Aircraft that may have used this have not yet been identified. It has the "YEW" symbol of the Yokogawa Electric company on