A superbly engraved French brass sector by Gary à Paris, circa 1750

A superbly engraved French brass sector by Gary à Paris, circa 1750

420 euros



Country of manufacture


Categories: Calculating, Drawing Instruments, Surveying Instruments & Mining


A typical surveying/gunnery French brass sector with height scales engraved on the the two arms but very finely engraved with elegant decoration and with the quite rare French signature “Gary à Paris”.

On one side are engraved “les Cordes”, “les Solides”, “les metaux” and “poids des boulets” ; on the other side are engraved “les parties Egales”, “les poligones“, “les plans” and “Calibre des pieces”.


Jean Louis Etienne Gary was apprentice at Le Maire shop and active from 1746. He was specialized in mathematical, sundial and surveying instruments.

The rare instruments with his signature are always very finely decorated and engraved, more than the usual contemporary production.

A very fine instrument.

Closed : 17,4 cm

Opened : 33,5 cm


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FR Le Zograscope

Established by Alexandre Piffault in 2014 and based in Paris, 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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