Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune appear to use a next

appear to use a next generation autopilot and not the GR-2

The Russian Cyrillic lettering on the instrument

I is a straightforward gyro-magnetic compass using magnets for deviation correction of the detector unit (usually located in the tail or wingtip)

This is an authentic vintage Dual Engine Fuel Flow Indicator as appeared in the US Navy and US Coast Guard Patrol Bomber Lockheed PV-1 Ventura

F4U-5N Corsair

Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune appear to use a nextThis offer is for a Rate of Climb Vertical Speed Indicator, Kollsman A26877 10 001, as used in the US Navy's P 3 Orion Antisubmarine Aircraft according to US Navy documentation on file. Measures 2in diameter and ~5. 5in deep. It is in nice condition given its age. The dial markings are clear and the glass and case are intact.