Liquid compass - aircraft; compass card

Compass card and needle. Unpainted copper with the graduations to 360 degrees etched in the copper. Attached to a float at the centre.

Needle: Four flat bar needles mounted on the underside of the float.

Object Details

ID: ACO0565.2
Type: Liquid compass - aircraft; compass card
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Diameter: 114 mm;Overall: 24 mm
Parts: Liquid compass - aircraft