Liquid overhead compass - aircraft

Liquid overhead compass - aircraft. Attached on a wooden board with ACO0582.

Bowl: Brass painted grey. Glass cracked and highly discoloured. Securing nut at centre of glass. Held in overhead gimbals. Filler plug on side.

Card: Graduated to 360 degrees, this is mounted on a float which carries a jewelled cup, the latter engages on a pivot which rises from the centre of the verge glass.

Needle: Unsighted.

Pivot: Unsighted.

O.A. Height 3.25" (8.3 cm)

Object Details

ID: ACO0581
Type: Liquid overhead compass - aircraft
Display location: Not on display
Creator: Morane
Date made: 1914-18; 1914-1918
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 85 mm; Diameter: 102 mm
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