Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune likely for a large multi-engine

likely for a large multi-engine aircraft

The case has compartments which suggest that it might have once contained additional lenses

Flange diameter

as appeared in dual engine aircraft such as the US Air Force attack bomber Douglas A-26 / B-26 Invader during the 1950-70's

The Russian Cyrillic lettering on the instrument

Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune likely for a large multi-engineThis 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.