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Bearing Instrument
Brass bowl set in gimbals. Centre of bowl has graduated plate (quadrantally in degrees) revolving a centre pin. About the centre plate revolves an azimuth circle, carrying sight vanes ( fore sight has sight wire and reflector glass, aft sight is fitted with slit and two shades). Also fore sight has a lubbers arrow toe nable bearings to be read off. The wooden base is fitted with an electric lamp, for use in submarines.
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Object Details
| ID: | ACO0083 |
|---|---|
| Type: | Bearing Instrument |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | 1880-1890; 1880-90 |
| People: | Friend, Matthew Curling |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 270 mm x 247 mm x 240 mm |
| Parts: | Bearing Instrument |
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