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Description: | 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.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | bearing instruments Matthew Curling Friend | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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