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Perpetual calendar
Single year, perpetual calendar made from bronze with gold-coloured finish. One side has a grid of the days of the month at the centre with three rings of writing around the edge. On the other side has five rings of writing and numbers with a sun shape at the centre.
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Object Details
| ID: | AST0644 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Perpetual calendar |
| Display location: | Not on display |
| Creator: | Simons, I. |
| Date made: | 1716 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: .0394 x 1.61 in.; 1 x 41 mm |