Pitot Tube Type D-1, USN 88-T-2998 US Coast Guard The compass measures ~3 inches

The compass measures ~3 inches tall by ~3

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The brass bowl would have been mounted by the 3 rubber-covered metal pegs to a frame

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The pointers are marked L and R

Pitot Tube Type D-1, USN 88-T-2998 US Coast Guard The compass measures ~3 inchesThis is a WWII era Pitot Tube, Type D 1 (also AN5816 2), as used by aircraft of the US Army Air Force and US Navy, such as bombers B 24 Liberator, B 25 Mitchell, B 26 Marauder, and A 26 Invader, fighters P 39 Airacobra, P 40 Warhawk, and P 47 Thunderbolt, dive bomber SBD Dauntless, and torpedo bomber TBM Avenger (see illustration from the TBM Erection and Maintenance Manual dated 1944). On most bombers, this pitot tube would be mounted on a stanchion