A good example of a cased three legged pair of dividers, unsigned, but certainly Dutch or German and we can date around 1770.
The three legs dividers in brass and steel has a third point we can adjust by sliding.
The case contains also a ruling-pen.
The case is made in cardboard and paper lined in green velvet.
Size of the case : 17x6x2,8 cm
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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.