A rare large 5inch/13cm equinoctial sundial, France, late 19th century
€950
Circa
late 19th century
Country of manufacture
France
Description
A quite rare very large equinoctial measuring 13cm for the plate, 14cm with the two level and the box 15×16,5cm.
The sundial is unsigned but French, datable from the late 19th century.
This is certainly the largest size which was commercialized at that time.
The instrument is made in brass, steel, and silvered brass with the large compass in the middle of the plate.
The hour half-cirlce is engraved from III-XII and I-VIII.
On the plate are engraved the names of 4 russian and European cities (Paris, Londres, Bruxelles and St-Pétersbourg).
On the backside of the compass, 14 cities and their latitude are engraved : Dublin, Edinbourg, Madrid, Moscou, Alger, Constantinople, Rome, Berlin, Vienne, Amsterdam, Copenhague, Stockolm, Le Caire and Genève.
The condition is excellent despite the gnomon is a little bent.
A rare quinoctial dial of this size.
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Dealer information
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.
Personnal website : https://www.lezograscope.com/
