A large Dutch brass protractor by Kleman & Zoon, circa 1810/1815

A large Dutch brass protractor by Kleman & Zoon, circa 1810/1815




Country of manufacture


Categories: Scientific, Drawing Instruments


A good example of a large brass protractor signed “JM Kleman & Zoon fecerunt Amstd’.

The protractor is divided in 180 degrees and measures 17×11 cm, the long arm measures 27 cm.


“Jan Marten Kleman started making mathematical, optical, physical, nautical and astronomical instruments from his workshop in the Bergstraat in Amsterdam, in 1781. In 1800 he moved his firm to the Nieuwendijk, first in ‘In de Blauwe Bril’ and later to ‘In de Groene Bril’. In 1801 his fame had risen even more, and when others started imitating his instruments, Kleman started signing all his instruments. He was a member of the Felix Meritis Society since 1802, and appointed Instrument maker to the Royal Netherlands Navy in 1808. In 1808 his son Bernard joined the firm. In the same year, Kleman won a gold medal at the ‘Nijverheidstentoonstelling’ industrial exhibition in Amsterdam and his firm received the title Royal (‘Koninklijk’). In 1820 Bernard died at a young age. Ten years later, in 1830, the business was taken over by Carel Swebilius, who in 1847 moved it to the Bantammersteeg no.16. In 1840 Kleman made a silver sextant for Prince Willem Frederik Hendrik.”



An attractive Dutch signature and a good, nice and large example of protractor.

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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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