Liquid compass

Bowl-Black painted brass, expansion chamber at base, filler plug at side. Inside of bowl painted white with black painted lubber line. Fitted in a black painted brass gimbal ring 6" (15.3cm) diameter.
Card-Dia: 4.5" (11.4cm) white plastic with black markings, graduated to 1/4 points and evry 2degress from 0-360. Attached to domed, white painted float at centre.
In wooden box 8 x 8 5.6" (20.3 x 20.3 14.2cm).

Object Details

ID: ACO0725
Type: Liquid compass
Display location: Not on display
Creator: Observator
Date made: circa 1945
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 142 mm x 202 mm x 200 mm
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