Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune as appeared in dual engine

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

likely for a large multi-engine aircraft

Alternative markings have been added by hand in red on the exterior glass

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

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

Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion P-2 Neptune as appeared in dual 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.