Course indicator
Course indicator. Square perspex with rotating central disc graduated to 360 degrees. Central disc can be set against scale 20 degrees either side of North to allow for compass error and variation. Small parallel ruler attached to one side of square.
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Object Details
ID: | NAV0094 |
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Type: | Course indicator |
Display location: | Not on display |
Creator: | Unknown |
Date made: | 1950 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | 140 mm x 127 mm |