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Liquid compass
Bowl: Brass painted black. Set in double gimbals. Lead weight at base. Glazed with brass centre stud. Has spring cover over filling hole. Steadying mechanism attached to box at base.
Card: Two concave copper plates soldered together with needle inside. Black with white markings graduated to quarter points. Has decorated North and East points.
Needle: Unsighted.
Pivot: Unsighted.
In wooden box dims 8.25" x 8.25" x 3.5" (21cm x 21cm x 7.7cm)
O.A. Height 5.25" (13.3cm)
Card: Two concave copper plates soldered together with needle inside. Black with white markings graduated to quarter points. Has decorated North and East points.
Needle: Unsighted.
Pivot: Unsighted.
In wooden box dims 8.25" x 8.25" x 3.5" (21cm x 21cm x 7.7cm)
O.A. Height 5.25" (13.3cm)
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Object Details
| ID: | ACO0131 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Crow, Francis |
| Date made: | 1813 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 130 mm x 210 mm x 210 mm |