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0390006444

Spectroscope, 1872. Instrument of the type developed by Robert Bunsen (1811-1899) and Robert Kirchhoff (1824-1887) during the 1850s. Their work provided a precise tool to make use of Joseph von Fraunhofer's (1787-1826) observatians of dark lines in the solar spectrum (1814). The technique of chemical analysis through spectroscopy has become essential in both terrestrial and astronomical studies. From 'Spectrum Analysis' by H. Schellen. (London, 1872).

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0390006444.jpg
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Irish Photo Archive
Image Size
6000x4217 / 3.6MB
Contained in galleries
historical photos 2
Spectroscope, 1872.  Instrument of the type developed by Robert Bunsen (1811-1899) and Robert Kirchhoff (1824-1887) during the 1850s. Their work provided a precise tool to make use of Joseph von Fraunhofer's (1787-1826) observatians of dark lines in the solar spectrum (1814). The technique of chemical analysis through spectroscopy has become essential in both terrestrial and astronomical studies.  From 'Spectrum Analysis' by H. Schellen. (London, 1872).