Auroræ: Their Characters and Spectra — 2. On the Spectra of some Gases in Geissler’s Tubes, as well as on the Spectrum of the Atmospheric Air.

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Auroræ: Their Characters and Spectra 2. On the Spectra of some Gases in Geissler’s Tubes, as well as on the Spectrum of the Atmospheric Air. · ch 117/119

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