An Important Large Stand 1a Binocular Microscope By Leitz

An Important Large Stand 1a Binocular Microscope By Leitz

950 euros

Country of manufacture


Categories: Scientific, Microscopy


An impressive example of a stand I binocular and compound microscope by Leitz with the serial number “256491”, circa 1920s’.


The microscope have a rack and pinion coarse and fine focusing, a mechanical stage and a round moveable stage, a complexe sub-stage condenser and a plano-concave mirror.

Everything is in perfect condition and working order.


Furthermore, the microscope preserves a very large and impressive collection of lenses.

The eyepieces are :

For the binocular apparatus : two “Bi”, two “periplan 8x”, two “periplan 15x”, two “periplan 6x” and two “x8” eyepieces signed y “O.P.L”.

For the monocular configuration : two unumbered which seems to be two number 1, one numbered “2”, one Winkel-Zeiss “HM 9xé, one Reichert “IV St 9x” and one “Orth[oskop] St. VI”.


The objectives : a Nachet number 3 (without its case), a Reichet Homogenous Immersion 1/12 number 1994 (without its case) , a Leitz Oel Immersion 1/12a numbered 124141, a Zeiss DD numbered 14986, a Koristka “C”, a Reichert number “O” and a Leitz “Objektmarkierer”.


The microscope also preserved two eye-caps.

Finally are also included two Nageotte cells by Cogit, a “Objektmikrometer” by Zeiss numbered “126300”, a “micrometre millimètre en 100 parties” probably by Nachet, an unidentified plate and three colored glasses.


The present example bears also the signature and the label of “Jules Peter à Lyon”, a retailer of scientific instruments.


This model is described in the Leitz’s catalogue from the 1910s’ or 1920s’ as the Stand 1a, ei the largest of the Leitz’s microscopes.


The present example is preserved, with all its wooden cases, in a large travelling box measuring 47x25x24,5 cm, with its keys.


Weight : 14,5 kilos

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FR 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.

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