A very good French brass graphometer signed “Bernier à Paris” and of small size measurng 19 cm lenght. We can date the instrument between 1750 and the end of 1770s’.
The graphometer is complete with its compass, its two fixed sights and its two other sights mounted on a movable alidade. It preserves also its original balljoint. It has a nice double little S decorative and some decorative shapes.
It measures 19cm width by 8,5 cm height and around 14cm height.
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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.