Ammeter, 50mA, WWII Japanese Navy Aircraft Italian This is a Cold War-era

This is a Cold War-era Airspeed Indicator

Right Auxiliary

Here is an aircraft battery Ammeter

used for the Twin Compass System

It was used in the H-21 Shawnee/Workhorse Piasecki Helicopter

Ammeter, 50mA, WWII Japanese Navy Aircraft Italian This is a Cold War-eraThis is a Japanese Ammeter, 50mA. It is presumed to be a WWII era indicator used in aircraft of the Japanese Navy, judging from the anchor symbol on its face (center). This has not been verified. Aircraft that may have used this have not yet been identified. It is in good condition given its age. Measures ~3. 5 inches diameter and ~1. 5 inches deep. The glass and case are intact and the lettering is distinct.