Accelerometer, G-Meter, Type B-4, 0-9+ G's, Bendix, Boeing B-47A Bomber C-46 Also see the photo of

Also see the photo of the P-38A instrument panel from the RAF Lightning 1 Service Manual showing the indicator for the port engine

The knob rotates the pointer along its axis to select the desired course heading marked along the perimeter scale

This case of this indicator is not affixed

Requires the correct electrical input to operate

for the USAF Autopilot Type E-4 (aka as the Sperry A-12 Gyrosyn Automatic Pilot System)

Accelerometer, G-Meter, Type B-4, 0-9+ G's, Bendix, Boeing B-47A Bomber C-46 Also see the photo ofThis 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