 | 1861 - 410 pages
...by the atmosphere of tho earth, exist in consequence of the presence, in the incandescent atmosphere of the sun. of those substances which in the spectrum...of a flame produce bright lines at the same place. . . In the course of the experiments which have at present been instituted by us in this direction*... | |
 | British Association for the Advancement of Science - 1862 - 804 pages
...by the atmosphere of the earth, exist in consequence of the presence, in the incandescent atmosphere of the sun, of those substances which in the spectrum...of a flame produce bright lines at the same place " The examination of the spectra of coloured flames has accordingly acquired a new and high interest... | |
 | British Association for the Advancement of Science. Meeting - 1862 - 776 pages
...by the atmosphere of the earth, exist io consequence of the presence, in the incandescent atmosphere of the sun, of those substances which in the spectrum...of a flame produce bright lines at the same place " The examination of the spectra of coloured flames has accordingly acquired a new and high interest... | |
 | James Samuelson, Sir William Crookes - 1880 - 822 pages
...by the atmosphere of the earth, exist in consequence of the presence, in the incandescent atmosphere of the sun, of those substances which, in the spectrum...of a flame, produce bright lines at the same place. . . . The dark line D in the solar spectrum allows us, therefore, to conclude that there exists sodium... | |
 | Richard Glazebrook - 1883 - 458 pages
...are not evoked by the atmosphere of the earth, exist in consequence of the presence in the atmosphere of the sun of those substances which, in the spectrum...with D in the spectrum of a flame always arise from the presence of sodium contained in it ; the dark line D in the solar spectrum allows us therefore... | |
 | Richard Glazebrook, Sir Richard Glazebrook - 1883 - 462 pages
...that the bright lines agreeing with D in the spectrum of a flame always arise from the presence of sodium contained in it ; the dark line D in the solar...that there exists sodium in the sun's atmosphere. Brewster has found bright lines in the spectrum of the flame of saltpetre at the place of Fraunhofer's... | |
 | Sir Norman Lockyer - 1887 - 488 pages
...by the atmosphere of the earth exist in consequence of the presence, in the incandescent atmosphere of the sun, of those substances which in the spectrum...place. We may assume that the bright lines agreeing KIG. 24. — Diagram showing the solar spectrum aiul th« bright double line D of sodium. with D in... | |
 | Sir Norman Lockyer - 1887 - 492 pages
...consequence of the presence, in the incandescent atmosphere of the sun, of those substances which in t/te spectrum of a flame produce bright lines at the same place. We may assume that the bright linfs agreeing FIo. 24. — Diagram showing the solar spectrum aud the bright double line D of sodium.... | |
 | John Theodore Merz - 1912 - 848 pages
...evoked by the atmosphere of the earth, exist in consequence of the presence in the sun's atmosphere of those substances which in the spectrum of a flame produce bright lines at the same place, " he at once gave 1 From this he inferred that the I Kirchhoff, 1882, p. 639, where it presence of... | |
 | John Theodore Merz - 1903 - 832 pages
...evoked by the atmosphere of the earth, exist in consequence of the presence in the sun's atmosphere tof those substances which in the spectrum of a flame produce bright lines at the same place, " he at once gave 1 From this he inferred that the presence of sodinm vapour in the atmosphere of the... | |
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I conclude further, that the dark lines of the solar spectrum which are not evoked by the atmosphere of the earth, exist in consequence of the presence, in the incandescent atmosphere of the sun, of those substances which in the spectrum of a flame produce... 
