Pancratic Microscope Or Single Telemiscroscope, 1870/1880 flag

Pancratic Microscope Or Single Telemiscroscope, 1870/1880
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Object description :

"Pancratic Microscope Or Single Telemiscroscope, 1870/1880"
The shape of this microscope is unique, designed to meet the needs of a particular client and for a specific environment. In addition, it is a pancreatic dissection microscope, complete with its dual objective optics. A pancreatic microscope is a dissection or entomology microscope with variable magnification and remote observation. Its particular optical system consists of a double achromatic objective. The magnification increases or decreases without changing the eyepiece or the objective: the variation in magnification is obtained by modifying the focal length of the two objectives. This type of microscope, rare and complex, was invented in 1841 by Alexandre Fischer, on an idea of Strauss-Durkheim, and built first in France by the Engineer Chevallier, then Oberhauser until 1850. However, like these microscopes were complicated and expensive to carry out, their construction was abandoned between 1850 and 1900. Indeed, we have to wait until the beginning of the XXth century to see reappear new forms of pancratic microscope like the "telemicroscope" invented in 1900 by Father Deschamps. This model is of English manufacture, unsigned, and dated from the years 1870/1890. I could not find any reference to a pancreatic microscope in the English literature of the time. In addition to the compound pancreatic microscope, this microscope can also be used as a simple dissection microscope by replacing the large and large double glass magnifier with the optical tube. It is therefore a double microscope: a pancreatic dissecting microscope and a simple dissecting microscope. The microscope is quite large, measuring between 50 and 60 cm in height. The optical tube measures 20 cm closed. Pancreatic microscopes complete with their double objective are exceptionally rare.
Price : 1500 €
Artist : Inconnu
Period:19th century
Style:Other Style
Condition : Très bon état

Material : Laiton, fonte, acier et verre

Reference : 615569
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Instruments scientifiques et médicaux anciens
Pancratic Microscope Or Single Telemiscroscope, 1870/1880

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