Accelerometer, G-Meter, US Navy, Kollsman 1002-02-142 Beaufighter The receiver function tunes from

The receiver function tunes from 100-1750 kHz across 4 bands

so it very well could have appeared in a USMC aircraft

See photo of the indicator on the B-17 instrument panel

It is an exceptional reference as a primer and as a reference for those with a cursory knowledge of aviation fuels of that era

Accelerometer, G-Meter, US Navy, Kollsman 1002-02-142 Beaufighter The receiver function tunes fromHere is a late 1940s 1950's Accelerometer, or G meter, made by Kollsman, part number 1002 02 142. This accelerometer measures G forces from 12g's to +12g's. There is a screw on the rear of the instrument that, when turned, will unlock the instrument upon installation. The US Navy anchor symbol is stamped on the rear of the instrument, evidence of its installation in an aircraft of the US Navy. The accelerometer has 1 pointer that instantaneously