Bearing Plate
A heavy brass ring with a fixed diameter. The ring is graduated both in degrees, quadrantally, and to1/4 points. The edge is marked to points. The sights are attached to a moving diameter. The back sight consists of a plate with a slit and the fore sight an open arch and wire.
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Object Details
ID: | ACO0496 |
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Type: | Bearing Plate |
Display location: | Not on display |
Creator: | Unknown |
Date made: | circa 1918 |
Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
Measurements: | Overall: 40 mm; Diameter: 200 mm |