Description
A didatic apparatus with black miror or reflecting miror to demonstrate polarization of light, late 19th century.
In a hinged box contains, it is a mirror and a brass stand containing a prism in a rotating tube with a black eye patch.
The box measures 29,5×19,6x6cm.
The only other similar example I can trace was sold at Christie’s ten years ago :
https://www.christies.com/en/lot/lot-5989604
Ask the Dealer
Dealer information
Le Zograscope
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.
Personnal website : https://www.lezograscope.com/









