Astronomical and navigational instruments

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Perpetual calendar

Astronomical and navigational instruments

Object connections:

Collection Astronomical and navigational instruments
User collections Calendar_Coins by Calendrium
Gallery locationNot on display
PeopleDepiction: de France, Louis Auguste

Object details:

Object ID AST0692
Description 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.
Date made circa 1780

Artist/Maker B Du Viv
Place made Unknown
Credit National Maritime Museum, Greenwich, London, Caird Collection
Materials silver
Measurements Overall: 2 x 40 mm
  • Perpetual calendar (AST0692)
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