One of the smallest telescope level, the Boyelle-Morin level with dioptric collimator, circa 1900
€480
Circa
1900
Country of manufacture
France
Description
The simplest and smallest of the telescope levels. Rare miniature model of a Boyelle-Morin level with dioptric collimator.
According to the Morin catalog 1910-1911, page 15:
“This model is the simplest of all the levels; it is the fastest to use.
It consists of a telescope with a dioptric collimator, that is, a double collimator. The horizontal line can therefore be seen from one end of the telescope as well as the other, which allows the instrument to be turned over and read twice.
A level placed below this telescope ensures its horizontal alignment. The whole is adjusted by a very simple system consisting of a return screw and a curved spring. The instrument is mounted on a horizontally moving socket in the center and is placed on an ordinary square stake.”
The instrument is in near new condition, and works perfectly.
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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/
