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Bearing Plate
An ingenious extemporised bearing plate found on a French trawler. It consists of a water-tight bulkhead electric light fitting (brass) which has been fitted with gimbals, diameter 12.2" (31cm), and balanced so that its glass is horizontal. The flat glass is fitted with a spigot for an alidade and a paper compass card, graduated 0-180 degs through E & W, is stuck to its underside.
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Object Details
| ID: | ACO0713 |
|---|---|
| Type: | Bearing Plate |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1939 ? |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 110 mm x 350 mm x 325 mm |
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