Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion 2 Regia Aeronautica one near the loader

one near the loader

to align the line of firing with the line of the gunsight

It has the original crown symbol of the Air Ministry on the back

Here is Radar Pressure Indicator use in radar-equipped aircraft during late WWII and post WWII

Rate of Climb / Vertical Air Speed Indicator US Navy Lockheed P-3 Orion 2 Regia Aeronautica one near the loaderThis 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. It has a service label from Naval Air Rework Facility Jacksonville (FL) dated Q4 1987. 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.