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Liquid compass
Liquid compass.
Bowl: Black painted metal with domed glass. There is a filler hole at the side, expansion chamber at the bottom and a glass at the base to allow for illumination. There is an inner bowl set in gimbals. The bowl is black inside with black lubber lines set on white struts spaced 90 degrees apart.
Card: White plastic band with black markings graduated to four cardinal points and 360 degrees. There is a large float at the centre.
Needle: Unsighted.
Pivot: Unsighted.
O.A. Height 7.5" (19.1 cm)
Bowl: Black painted metal with domed glass. There is a filler hole at the side, expansion chamber at the bottom and a glass at the base to allow for illumination. There is an inner bowl set in gimbals. The bowl is black inside with black lubber lines set on white struts spaced 90 degrees apart.
Card: White plastic band with black markings graduated to four cardinal points and 360 degrees. There is a large float at the centre.
Needle: Unsighted.
Pivot: Unsighted.
O.A. Height 7.5" (19.1 cm)
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Object Details
| ID: | ACO0517 |
|---|---|
| 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: 185 mm; Diameter: 255 mm |