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" This band in both spectra remained of nearly equal brightness for the same proportion of its length. On a subsequent evening, June 25, I repeated these comparisons, when the former observations were fully confirmed in every particular. On this evening... "
Publications of the Astronomical Society of the Pacific - Page 143
by Astronomical Society of the Pacific - 1909
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Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1870 - 450 pages
...of nearly equal brightness f0r the same proportion of its length. On a subsequent evening, June 25, I repeated these comparisons, when the former observations...substances by which in both cases the light was emitted. It may be well to state that some phosphorescent and fluorescent bodies give discontinuous spectra,...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 542 pages
...of nearly equal brightness for the same proportion of its length. On a subsequent evening, June 25, I repeated these comparisons, when the former observations...substances by which in both cases the light was emitted. It may be well to state that some phosphorescent and fluorescent bodies give discontinuous spectra,...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 552 pages
...of nearly equal brightness for the same proportion of its length. On a subsequent evening, June 25, I repeated these comparisons, when the former observations...substances by which in both cases the light was emitted. It may be well to state that some phosphorescent and fluorescent bodies give discontinuous spectra,...
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Rudimentary Astronomy

Robert Main - 1882 - 268 pages
...times, and satisfied himself with the true identity of position of the lines, and he believes that " the close resemblance of the spectrum of the comet to...substances by which in both cases the light was emitted." Another comet, examined at an earlier period, namely, the beginning of 1866, exhibited in the spectroscope...
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The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1868 - 524 pages
...were confirmed on June 25. The remarkably close resemblance of the spectrum of the comet to that of the spectrum of carbon, necessarily suggests the identity...by which in both cases the light was emitted. The great fixity of carbon seems, indeed, to raise some difficulty in the way of accepting the apparently...
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Annual Report of the Board of Regents of the Smithsonian Institution, Part 1

Smithsonian Institution. Board of Regents - 1911 - 856 pages
...with the bands corresponding to them in the spectrum of the spark. On a subsequent evening. June 25, I repeated these comparisons, when the former observations...necessarily suggests the identity of the substances by which hi both cases the light was emitted. The application of the Doppler-Fizeau principle to the measurement...
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Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1911
...only on the coincidence of position In the spectrum of the bands, On a subsequent evening, June 25, I repeated these comparisons, when the former observations...larger spectroscope, which gives a dispersion of about flve prisms. The remarkably close resemblance of the spectrum of the comet to the spectrum of carbon...
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