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Compass card
Four straight magnets enclosed between two metal sheets. Marked card missing.
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Object Details
| ID: | NAV0396 |
|---|---|
| Type: | Compass card |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1930 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 68 mm x 182 mm x 190 mm |