France, late 19th C. "J. Dubosq" direct-view laboratory spec - Lot 189

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Lot n° 189
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Estimation :
100 - 150 EUR
France, late 19th C. "J. Dubosq" direct-view laboratory spec - Lot 189
France, late 19th C. "J. Dubosq" direct-view laboratory spectrometer. Dubosq" scientific instrument for observing and measuring the light spectra of chemical elements. In brass, resting on a steel tripod. Signed "J. Dubosq à Paris"" N° 429". Dirty eyepieces. 46 x 53 cm (wear and tear. Fairly good condition).
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