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Liquid compass and binnacle
Bowl-Grey painted brass, filler plug at side and expansion chamber at base. Inside of bowl painted white with black painted lubber line carried on a white metal (?) bracket projecting from side. Verge ring carries a rotating grid ring, fitted with two parallel wires for grid steering. Mounted in binnacle by a spring suspension anti-vibration system of four coil springs and two location slots.
Card- Dia. 4.5" (11.4cm) grey painted mica (?) with black markings, graduated quadrantally in degrees. Attached to high domed black float at centre.
Needle- Two magnets of circular section 4" (10.2cm) long, mounted below card.
Binnacle-Dia. 9" (22.9cm) grey painted brass, fitted with hood which has an oval glazed aperture at aft side, carrying handle at top and an oil lamp at side.
O.A. Height 10" (25.4cm)
Card- Dia. 4.5" (11.4cm) grey painted mica (?) with black markings, graduated quadrantally in degrees. Attached to high domed black float at centre.
Needle- Two magnets of circular section 4" (10.2cm) long, mounted below card.
Binnacle-Dia. 9" (22.9cm) grey painted brass, fitted with hood which has an oval glazed aperture at aft side, carrying handle at top and an oil lamp at side.
O.A. Height 10" (25.4cm)
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Object Details
| ID: | ACO1107 |
|---|---|
| Type: | Liquid compass and binnacle |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | 1937 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 265 mm x 280 mm x 220 mm |
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