Perpetual calendar
Perpetual calendar of volvelle form with a decorated crown and suspension ring. The calendar is made of silver alloy. One side of the calendar are the planets, an inscription and symbols around a compass rose, that has two openings, one of which shows dates and astrological star signs. The other side has the days of the week on the outer desk along with two engravings of dolphins and Father Time. There is a cut out section after the days of the week, which reveals the date.
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Object Details
ID: | AST0693 |
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Collection: | Astronomical and navigational instruments |
Type: | Perpetual calendar |
Display location: | Not on display |
Creator: | Unknown |
Date made: | 18th century |
People: | Father Time |
Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
Measurements: | Overall: 3 x 80 x 57 mm |
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