A brass graphometer with two levels by Richer, circa 1810

A brass graphometer with two levels by Richer, circa 1810

280 euros

Circa

1810s'

Country of manufacture

France

Categories: Scientific, Surveying Instruments & Mining

Description

A good French brass graphometer signed “Richer à Paris” and we can date from the 1810s’.

The graphometer is complete (it never had a compass) with two spirit level, it four sights both on a movable alidade) and with its original balljoint.

It measures 24,2 cm diameter.

A good example.

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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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