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Liquid compass
Bowl-Black painted brass, filler plug at side, expansion chamber at base incorporated with glazed bottom. Base of bowl fitted with a detachable cover. Inside of bowl painted white with four black lubberlines carried on white painted metal strips attached to underside of verge ring. Verge glass carries a set of mirrored graduations 0-360 degrees engraved on the glass and provision is made for quadrantal corrector magnets at centre of glass, also a location stud for azimuth sight.
Pivot: Pivot stem with pivot cup attached at centre of base of bowl.
Pivot: Pivot stem with pivot cup attached at centre of base of bowl.
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Object Details
| ID: | ACO0796 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Ludolph, W. |
| Date made: | circa 1945 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 175 mm x 307 mm x 265 mm |
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