Azimuth Circle

Kelvin type for a compass fitted with a spherical bowl. Brass ring fitted with two high curved bars which carry the prism (which can be used either arrow up or down) and a very short tube, fitted with a thread instead of a pointer. Two shades are fitted ahead of the prism. A level is fitted close to prism.

Object Details

ID: ACO0633
Type: Azimuth Circle
Display location: Not on display
Creator: Kelvin & Wilfred O White Co
Date made: circa 1935
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 146 mm; Diameter: 216 mm
Parts: Azimuth Circle
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