An uncommon ball sundial with fixed latitude, here for Paris (49th degrees), or spherical equinoctial sundial.
These rather rare types of dials are usually German. This model is French built in lacquered turned wood.
Good general condition even if we can see a few restoration at the lacquer.
7 cm in diameter and 10.5 cm in height.
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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.