An Italian ring dial, late 18th century

An Italian ring dial, late 18th century

€1,100

Circa

18th century

Country of manufacture

Other

Categories: Portable Sundials, Timekeeping

Description

The ring measures 7,4 cm in diameter and 13cm height with the double ring.

This crude ring, a countryside work, is not signed but Italian (according with the month scale in Italian). It is from the late 18th century.

Italian ring dials are quite unusual to find.

The meridian circle, the larger of the two rings, is engraved on

one of its two faces with 90-degree scale marked only 30, 40 and 50 degrees. 

The equinoctial circle bears, on its flat part, the hours scale

(two scales of I-XII) and on its edge the same scale.

In the axis of the poles, the diametral blade is graduated by a calendar scale.

The orifice to receive the sun’s rays slides along these scales.

Genuine condition.

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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.
Personnal website : https://www.lezograscope.com/

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