Liquid compass - aircraft

Liquid compass

Bowl: Black painted brass, filler plug at side, expansion chamber at base. Inside of bowl painted black. A fore-and-aft line is engraved across the slightly domed verge glass. The verge ring is fitted with a rotating setting ring which is graduated to 360 degrees.

Card: Diameter 3.1" (8.0 cm) Black card with a single large white painted pointer, attached to a high domed, white painted float at centre.

Needle: Unsighted.

Pivot: Unsighted.

O.A. Height 2.3" (6.0 cm)

Object Details

ID: ACO0841
Type: Liquid compass - aircraft
Display location: Not on display
Creator: Unknown
Date made: circa 1942
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 70 mm; Diameter: 120 mm