A box sextant signed “H. Mirvault 47, rue de Greneta / Paris” and datable circa 1900.
The little sextant is preserved in its original round box on which the instrument can be screwed.
The limb (graduated from 0 to 150 degrees) and the vernier are in silver. It is equipped with an articulated magnifying glass allowing a fine reading.
It still has its two original mirrors and its two solar filter. It is in perfect working condition.
8,5 cm diameter.
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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.