Azimuth Circle

A heavy brass circle, the back sight is mounted on the counter balance. It consists of an open arch and sliding plate with a slit in it. There are also two shades. the fore sight is an open arch with thread. There is a celestial reflector which has a mirror on the reverse. The prism is very large and has a black lubber line running through it.

Object Details

ID: ACO0762
Type: Azimuth Circle
Display location: Not on display
Creator: Unknown
Date made: circa 1930
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 85 mm; Diameter: 257 mm
Parts: Azimuth Circle
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