Jules Duboscq began making spectroscopes soon after Robert Bunsen and Gustav Kirchhoff announced their pioneering observations in this field, and by 1863 he could boast of having supplied instruments of this sort to numerous chemical laboratories and cabinets of physics. In this example, used at Columbia University, the medium arm holds the slit facing the light source, the short arm holds a linear scale, the long arm holds the viewing telescope, and the central platform holds the two prisms that dispersed the light into a spectrum. The inscription reads “J. Duboscq / à Paris / No. 267.”
Ref: J. Duboscq, Catalogue Raisonés des Spectroscopes (Paris, 1870), p. 7.
Maison Jules Duboscq, Historique & Catalogue de tous les Instruments d’Optique Supérieure Appliqués aux Sciences et à l’Industrie (Paris, 1885), p. 53.
Currently not on view
Object Name
date made
Duboscq, Jules
overall: 17 in; 43.18 cm
place made
France: Île-de-France, Paris
ID Number
catalog number
accession number
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Columbia University

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