Azimuth Circle

Brass painted grey. Has a large prism sight and a counter balance opposite that which has a hole for a shadow pin. The prism has a notched back sight and the fore sight being a nipple on the celestial reflector. There are two circular filters and a milled screw for moving the prism. There is a spirit level under the prism.

Object Details

ID: ACO0624
Type: Azimuth Circle
Display location: Not on display
Creator: Unknown
Date made: 1909-1937; 1909-37
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 75 mm x 230 mm x 210 mm
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