Liquid compass

Liquid compass.

Bowl: Black and grey painted metal bowl with domed glass with metal diameter band on it. Inside of bowl glass with black lubber lines carried on white support struts. Expansion chamber at base, glass at base for illumination, filler hole on side. Has triangular shade which is on a ring which can turn in azimuth.

Card: White plastic band held to a black float by struts. Card marked in black and graduated to four cardinal points and 0 - 360 in degrees.

Needle: Unsighted.

Pivot: Unsighted.

O.A. Height 8" (20.3 cm)

Object Details

ID: ACO0520
Type: Liquid compass
Display location: Not on display
Creator: Plath, C.
Date made: 1939-1945; 1939-45
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 215 mm; Diameter: 220 mm
Parts: Liquid compass
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