Ammeter, 50mA, WWII Japanese Navy Aircraft Italian It was used in the

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

It was used in aircraft with the C-1 Autopilot system

The floating ball indicator no longer contains damping fluid

it is in exceptional condition for its age

Ammeter, 50mA, WWII Japanese Navy Aircraft Italian It was used in theThis 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.