Portable dytic sundial made of ivory and silvered brass, rectangular in shape. It contains a polar and equinoctial dial and a calendar with moving parts in the lid, a built-in compass with an analemma dial, and on the reverse, under the instrument, a circular perpetual dial with a wheel acting on the analemma and engraved with calendar indications. The bottom of the compass is made of paper and bears the locations of various cities.
Dieppe, late 17th-early 18th century, to be compared with the works of Charles Bloud
H: 1,5 - L: 7,3 - D: 6 cm
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