Perpetual calendar
Perpetual calendar of volvelle form, with the outer discs missing. The calendar is made from a French coin that is made of silver. One side of the calendar and outer edge are the original coin, which depicts Louis XVI. The other side has the days of the week in English and dates.
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Object Details
ID: | AST0692 |
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Collection: | Astronomical and navigational instruments |
Type: | Perpetual calendar |
Display location: | Not on display |
Creator: | B Du Viv |
Date made: | circa 1780 |
People: | de France, Louis Auguste |
Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
Measurements: | Overall: 2 x 40 mm |
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