Azimuth Circle

A "T" shaped circle with spirit level at base of "T" and centre pivot for a shadow pin. There is a magnifying glass without a tube below the adjustable prism. Two semi-circle filters are fitted. At the top of the "T" there is a metal bracket which carries the lubber spike.

Object Details

ID: ACO0620
Type: Azimuth Circle
Display location: Not on display
Creator: John Lilley & Son Ltd
Date made: 1930
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 95 mm x 185 mm x 215 mm
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