Compass, Remote Indicating, AN-5730-2A Vulcan As pressure drops

As pressure drops

sighting unit

and then from 2500 to 3500 RPM along the inner scale

This is an authentic WW2-vintage Landing Gear Pressure Indicator

It has the typical British warning usually placed on RAF gyro's "DO NOT JAR HANDLE LIKE EGGS"

Compass, Remote Indicating, AN-5730-2A Vulcan As pressure dropsHere is a restored WWII era Remote Indicating Compass Bendix 10061 1E A1, equivalent to (but not marked as) AN 5730 2A as appeared in the cockpits of many aircraft of the US Army Air Force and US Navy, such as bombers B 17, B 24, B 29, B 25, and fighters P 38 and P 51, according to the US Army Air Force's Interchangeability Guide dated Feb 1945. This example appears to have been restored in 1984 by Aircraft Instruments and Development, Inc. per its