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Perpetual calendar
Perpetual calendar made from a disc of silver with raised decoration. The tables of calendaric information similar to single year calendars, but usable for all years. The calendar is a type B.2 and the inscription reads "EASTER 1685" "W. FOSTER".
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Object Details
| ID: | AST0641 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Perpetual calendar |
| Display location: | Not on display |
| Creator: | Foster, W. |
| Date made: | 1685 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: .5 x 36 mm |