Microscope - Ancien spectroscope à vision directe...

Old direct-vision spectroscope, a scientific optical instrument designed to observe and analyze the decomposition of light into different colors of the spectrum. Brass body with adjustable optical system, preserved in its wooden-case with several accessories. The instrument is still capable of producing a visible spectrum, as shown in the photo. Set showing signs of use, paint wear and marks related to its age. Dating estimated: first half of the 20th century, around 1920-1950. A beautiful laboratory and collection instrument, interesting for enthusiasts of optics, physics, spectroscopy, and ancient scientific instruments.

估價:$1.12

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