Azimuth Circle

Brass ring painted black. Has "V" and nipple sights. Fore sight has adjustable prism and two shades, one of which has a missing lens. Has hinged celestial reflector. Back sight consists of shadow pin (missing) and spirit level on raises counter-weight. Fits over the circumference of compass and held in place by 0.9" (2.2cm) ridge.

Object Details

ID: ACO0065
Type: Azimuth Circle
Display location: Not on display
Creator: Unknown
Date made: 1913 ?
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 81 mm; Diameter: 210 mm
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