A cased silver oval monolatitude sundial by Choizy à Paris, circa 1660

A cased silver oval monolatitude sundial by Choizy à Paris, circa 1660




Country of manufacture


Categories: Portable Sundials, Timekeeping


An early oval silver fixe-latitude sundial signed “J Choizy a Paris”, datable around 1660 before the generalization of hallmarking in 1672.

The latitude is 49 degrees for Paris.

The oval-dial is engraved with an unique hours scale divided in IIII to XII and  I to VIII. Aboce the silver compass is engraved a delightful smiling sun with its numerous sunshines. 

The gnonom is deeply engraved on a blackened triangle with a dragon spitting plants and flowers.

At the back the large signature and the splendid curved flower-patern.

The sundial is preserved in a green Galuchat case lined with red velvet.

Jean Choizy, born in Limoges, was established in Paris and he sold sundials and surveying instruments. He died in 1682.

An excellent example of an early signed French oval horizontal dial.

Size of the dial 5×3,7 cm.

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FR Le Zograscope

Established by Alexandre Piffault in 2014 and based in Paris at 5 rue de Condé, 75006, very close to Odéon, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.

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