An early 18th century german mathematical/drawing set by Koch in Berlin

An early 18th century german mathematical/drawing set by Koch in Berlin



Box : 26,5x12x3 cm ; protractor : 13,3x8,4 cm


First half of 18th century

Country of manufacture


Categories: Calculating, Drawing Instruments


A rare, even incomplete, high quality German set of drawing/mathematical instruments signed “Koch Fecit Berolini” in brass and ebony, preserved in their original leather boxe lined in red velvet.

The present example is a high quality set and from the first half of 18th century, unfortunately now incomplete of one pair of dividers, one ink point and one removed point.


Otherwise, we can note the superbe and finely engraved protractor, the beautiful pair of dividers and the very unusual design of the screw heads.


The ebony square and ebony rule are also original like prove the style of the numbers engraved on the rule.


Even incomplete a rare and attractive set.

Box : 26,5x12x3 cm ; protractor : 13,3×8,4 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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