A very rare Canivet graphometer with solid brass plate dated 1764

A very rare Canivet graphometer with solid brass plate dated 1764

€3,200

Circa

1764

Country of manufacture

France

Categories: Scientific, Surveying Instruments & Mining

Description

A brass graphometer with solid plate, not perforated, and with a beautiful thickness of 4mm, signed “Canivet à la sphere à Paris” and dated “1764”.

We do not know any other graphometer from this period with a thick non-perforated brass plate.

The instrument measures 15.5 cm in width. It is complete with its balljoint and its foot, its four sight of which two are mounted on a mobile alidade, its original compass and needle.

Old cleaning but extremely rare model of a Canivet graphometer.

In addition, the instrument has kept its original shaped box (the two slots for the sights are however missing).

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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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