Ammeter, 100mA, WWII Japanese Navy Aircraft S2 Tracker Here is a capacitance-type Fuel

Here is a capacitance-type Fuel Quantity Indicator displaying aircraft fuel quantity up to 5400 lbs

from 400-3600 RPM

It is in very nice condition given its age

The C-1 Autopilot system was used extensively in WW2-era bomber aircraft of the US Army Air Forces

whichever is less

Ammeter, 100mA, WWII Japanese Navy Aircraft S2 Tracker Here is a capacitance-type FuelThis is a Japanese Ammeter, 100mA. It is presumed to be a WWII era indicator used in aircraft of the Japanese Navy judging from the anchor symbol on its face (lower left, below pointer). 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 2. 5 inches diameter and ~1. 5 inches deep. The glass and case are intact and the lettering is distinct.