An unusual full brass protractor by Sautout-Choizy, circa 1690

An unusual full brass protractor by Sautout-Choizy, circa 1690

320 euros

Circa

1690

Country of manufacture

France

Categories: Scientific, Calculating, Drawing Instruments

Description

A quite unusual shape of a plaine brass French protractor signed “Sautout-Choizy à Paris” and datable circa 1690-1700

The protractor measures 11,7 cm diameter. It is divided with two scales of 0 to 180 and 180 to 0 degrees, plus two unusual lines in the middle of the half-circle.

Something is mabe lacking in the hole in the center of the instrument but anyway a very rare form of an early French protractor.

 

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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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