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Date: |
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Description: | 33
G.50
A glazed azimuth circle with a silver scale around the circumference. Scale graduated 0-360 degs. On top of the glass is a framework of four radial arms, two of which terminate in verniers, graduated 0-30. This framework turns in azimuth and carries fore and back sight. Fore sight consists of open arch and thread with a small celestial reflector and prism. Back sight is a truncated fan-shaped plate with slit at centre. This also has two filters. Both sights are hinged.
A
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Azimuth azimuth dials | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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