Liquid compass - aircraft

Liquid compass

It is not possible to see the magnetic compass, only the projector unit.

Consists of a white ground glass disc with a moveable pointer at the centre, fitted with a verge ring which is graduated to 360 degrees. Mounted in a grey painted aluminium bowl with hood attached which has an oval aperture at aft side. Below bowl is a grey painted aluminium tube 7.9" (20 cm) long, 3.15" (8 cm) in diameter, containing projection mechanism and compass? The whole suspended by by springs in a light aluminium framework.

O.A. Height 16.9" (43 cm)

Object Details

ID: ACO0589
Type: Liquid compass - aircraft
Display location: Not on display
Creator: Plath, C.
Date made: 1940
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 212 mm x 429 mm x 220 mm