Liquid compass

Bowl-Black painted brass, filler plug at side. Base of bowl fitted with a glycerine filled domed glass balancer. Inside of bowl painted white with four black wire lubber pointers projecting from side.Verge ring graduated 0-180 degs. The verge glass is fitted with a socket at its centre to accommodate an azimuth instrument. Fitted with fore-and-aft gimbal pivots.
Card-Dia.6.5" (16.5cm) Mica(?), outer edge painted white with black markings, graduated quadrantally in degrees and to 360 degs. Inner portion of card painted black. Attached to a small black float at centre.
In wooden box 11.4 x 11.4 x 8.6" (29 x 29 x 22cm)

Object Details

ID: ACO0767
Type: Liquid compass
Display location: Not on display
Creator: Unknown
Date made: 1945
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 220 mm x 290 mm x 295 mm
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