A set of two rare conical and pyramidal prisms, circa 1890
€950
Circa
1890
Country of manufacture
France
Description
A very rare paire, uniformely mounted, unsigned but French, circa 1890, of two rare form of prism : a conical and a pyramidal prism.
The transparent glass cone will produce a circular spectrum, while the glass pyramid will produce a set of four spectra.
A very fine set of rare prisms for diffrection of light.
The circles measures 19cm diameter and around 41cm height smaller.
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/
