Brass achromatic microscope. Objective composed of 3 lenses - Lot 219

Lot n° 219
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Estimation :
600 - 800 EUR
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Result : 600EUR
Brass achromatic microscope. Objective composed of 3 lenses - Lot 219
Brass achromatic microscope. Objective composed of 3 lenses numbered 1, 2 and 3 and two eyepieces, the set offering 18 combinations allowing magnifications from 25 to 480 times. Illumination is provided by a double mirror, flat and concave through a perforated disc with five orifices. A lens focuses the light from above for opaque objects. A container with a transparent bottom adapts to the stage (dissections, liquids...). H. 30 cm BP Box with all the accessories of the most successful model in the catalogue. The signature, around the objective tube, Lerebourg and Secrétan, allows to locate the construction of the camera between 1845 and 1854, period during which Lerebours and Secretan are associated Place du Pont-Neuf in Paris.
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