Accelerometer, G-Meter, Type B-4, 0-9+ G's, Bendix, Boeing B-47A Bomber C-46 The glass and case are

The glass and case are intact and the markings are in perfect condition

It was the forerunner of the Bendix Polar Path and Sperry CL 11

This case of this indicator is not affixed

Requires the correct electrical input to operate

Accelerometer, G-Meter, Type B-4, 0-9+ G's, Bendix, Boeing B-47A Bomber C-46 The glass and case areThis electrical aircraft Accelerometer (aka G Meter) is a Type B 4, part number 3416 3A A1, made by Bendix for an order by the US Air Force dated 1949 (see serial number prefix). The knob rotates a small indexing pointer around the perimeter of the dial (sitting at 5 G's in the main photo), which may be a limiter or a trigger for a warning indicator. This accelerometer is clearly intended only for aircraft expected to experience positive G's as there