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Azimuth Circle
Consists of light brass ring. Has two hinged sights, through which a silk thread is carried from the upper end of one to the other then down through the aperture to form a sighting wire. Fits over the circumference of compass and is held by 1/8" ridge.
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Object details
| ID: | ACO0053 |
|---|---|
| Type: | Azimuth Circle |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | 19C |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 20 mm; Diameter: 250 mm |