Monocular compound microscope - 1900-2000 - Unknown

student monocular microscope - drum model (drum microscope) French, late 19th century, around 1880-1900. small teaching/student model, very common in Paris at that time. Parisian workshops of the type Nachet, Verick, Hartnack. Often unsigned. • Materials: lacquered brass tube, the lower part and the C-shaped yoke in black japanned cast iron as on yours. • Mechanics: focusing by rack-and-pinion with the two large side knobs that you can see, sliding tube for the draw. • Optics: single eyepiece at the top, objective screwed in at the bottom, stage with 2 clamps to hold the slide, central hole. Below, an orientable mirror to reflect light.

估價:$2.24

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