A French brass surveying circle by Baradelle, circa 1740
€900
Circa
1740
Country of manufacture
France
Description
A brass surveying circle with six sights, two of which are mounted on a rotating alidade. The circle measures 15 cm. It is signed “Baradelle à Paris” and can be dated to around 1730-1750.
The instrument is complete with its pinnules, its ball joint, and its hexagonal stand. The circle is divided twice into 360 degrees.
In the center, a compass indicates the four cardinal points.
The compass needle is modern, or at least 19th or early 20th century, with an agate cap and blued steel. The instrument is very dirty and requires cleaning, otherwise good condition.
15 cm in diameter and 15.5 cm in height.
Ask the Dealer
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/
