A presentation example of a new-form of an huge ruler-protractor with original drawing and dedication – 1862

A presentation example of a new-form of an huge ruler-protractor with original drawing and dedication – 1862

2500 euros

Circa

1860

Country of manufacture

France

Categories: Scientific, Calculating, Surveying Instruments & Mining

Description

A presentation example with two original drawings and a dedication of a Martin-type huge “échelle-rapporteur’ made by Colombi in Paris circa 1862.

The instrument is preserved in its original wooden box. It measures around 45 cm lenght. One drawing is dedicated to “Monsieur le Directeur de l’Institut de France” and dated from “29 octobre 1862”.


This instrument seems to be something like a presentation prototype and was never manufactured for sale. I cannot find any information about it online or in the antique documentation. We did not indentify “Martin géomètre de 1ere classe” but we know that Colombi patented a “méthode pour les choix des lunettes” and tried to develop a new portable barometer during the 1860s’.

A very rare and unusual French drawing/engineering/mathematical instrument with its original manuscript documentation.

Old cleaning othetwise, the condition is excellent.

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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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