An unusual full brass surveying compass by Lang at Strasbourg, circa 1750

An unusual full brass surveying compass by Lang at Strasbourg, circa 1750

650 euros

Circa

1750

Country of manufacture

France

Categories: Scientific, Surveying Instruments & Mining

Description

An interesting example of a full brass surveying compass with moveable sight signed on the square plate “Lang à Strasbourg”.

Lang was active in Strasbourg, in the Est of France, between 1748 and 1762. It was “mécanicien du roi pour l’artillerie”.

 

This model of surveying compass surveying entirely built in brass, not in wood as the more classic Parisian models, seems to be a specialty from Strasbourg  since we also know another example signed by Esser. 

The engraving of the compass and the interior of the pinnules were enhaced with red at the time. 

Fine condition ; the ball joint is lacking. 

Size over all : 14.2×12 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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