Rate of Climb / Vertical Speed Indicator, 6000 ft/min, Army Type C-2, US Army Air Corps, WWII H-21 Date of manufacturer is noted

Date of manufacturer is noted as 1944

The dial and rim show the impact of sun exposure

and the data label shows a serial number prefix of AC 42

PBM-5 Mariner

part number 2185-4-03

Rate of Climb / Vertical Speed Indicator, 6000 ft/min, Army Type C-2, US Army Air Corps, WWII H-21 Date of manufacturer is notedThe 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 Pioneer, part number 1636