Rate of Climb / Vertical Speed Indicator, 6000 ft/min, Type C-2, US Army Air Corps P-63 This periscope appears to be

This periscope appears to be new old stock

The dial and rim show the impact of sun exposure

but I've not located any specific photo references

judging from the electrical and pneumatic connections in back

The black left lever engaged or disengaged the Sperry Gyropilot

Rate of Climb / Vertical Speed Indicator, 6000 ft/min, Type C-2, US Army Air Corps P-63 This periscope appears to beThe Army Type C 2 Rate of Climb Vertical Speed Indicator was used across a number of US Army Air Corps and Air Force aircraft during WWII, including heavy bombers B 17, B 24, B 29, medium bombers B 25 and B 26, as well as light bomber A 20, according to the Accessories Interchangeability Chart dated Feb 1945. It was also used in versions of US Army Air Corps WWII fighters P 38, P 39, P 40, P 47, and P 51. This C 2 was made by Bendix, part number 1636