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Azimuth Circle
Azimuth circle - night
Consists of a metal disc fitted with a prism on one side and a frame with sighting wire on the other; spring pin and two leaf springs for making contact with the terminals at the centre of the compass verge glass (sec254); an electric lamp with cover; a switch for same; two hinged shutters to permit card to be observed and a hinged cover. An aperture with a white line on glass by which verge ring graduations can be read. A spring pin is fitted near the prism carrier which engages in holes in verge ring.
Consists of a metal disc fitted with a prism on one side and a frame with sighting wire on the other; spring pin and two leaf springs for making contact with the terminals at the centre of the compass verge glass (sec254); an electric lamp with cover; a switch for same; two hinged shutters to permit card to be observed and a hinged cover. An aperture with a white line on glass by which verge ring graduations can be read. A spring pin is fitted near the prism carrier which engages in holes in verge ring.
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Object Details
| ID: | ACO0477 |
|---|---|
| Type: | Azimuth Circle |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1910 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 230 mm x 210 mm x 225 mm |