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The scientific papers of Sir William Huggins (1909)

Huggins, William, Sir, 1824-1910, Huggins, Lady, d. 1915 · London, W. Wesley and son · leaf 482

An illustration from The scientific papers of Sir William Huggins, 1909, leaf 482
m is the one distinguished by Deslandres asthat of the positive pole, but it appears at all parts of a vacuum tube, andis also produced when a suitable induction-coil discharge, without capacity, istaken across air at the ordinary density. The nitrogen spectrum that wasmeasured by Ames was taken by… … W-H fc. ML H I Ra&ttTn Bromide: Qlow Spectrum oX Nitrogen; NeqaiiVe Band Spectrum &Z Nitrogen.: Positive Band Spectrum. © 9°3 Fig. 53- When, however, the spectrum is taken of the aureole about the negativepole of a vacuum tube containing a residuum of atmospheric air, the ordinary,or…

Astronomy

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