Patt 1152

This azimuth circle has the general shape of an anchor without the crossbar at the top. The prism has a notched sight and a line down the centre. There is one circular filter. Both prism and filter can be moved by the same milled screw. At opposite end to prism there is a moveable flange that can be opened and shut to secure circle to compass.

Object Details

ID: ACO0619
Type: Azimuth sighting instrument
Display location: Not on display
Creator: Unknown
Date made: circa 1938
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 38 mm x 215 mm x 32 mm
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