 ... of refrangibility of the double line D. Hence the presence of sodium in a source of light must tend to originate light of that quality. On the other hand, vapour of sodium in an atmosphere round a source, must have a great tendency to retain in itself,...  Handbuch der Spectroscopie - Page 91by Heinrich Kayser - 1900 - 8 pagesFull view - About this book
 | British Association for the Advancement of Science - 1862 - 804 pages
...and said he believed a mechanical explanation of the cause was to be had on some such principles as the following : — Vapour of sodium must possess...tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | British Association for the Advancement of Science. Meeting - 1862 - 776 pages
...the cause was to be had on some such principles as the following: — Vapour of sodium must posses« by its molecular structure a tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | 1863 - 708 pages
...»o marked a characterislic in comrnon. He assented and said, he believed a mechanical explanation of the cause was to be had on some such principles...äs the following: Vapour of sodium must possess by ils molecular struciure a tendency to vibrate in the periods corrcsponding to the degree of refrangibility... | |
 | 1863 - 720 pages
...mechanical explanation of the cause was to be had on some such principles as the following : fapour of sodium must possess by its molecular structure...vibrate in the periods corresponding to the degree of refrangibilit y of the double line D. Hence the presence of sodium in a source of light, must tend... | |
 | 1867 - 354 pages
...and said he believed a mechanical explanation of the cause was to be had on some such principles as the following : — Vapour of sodium must possess...tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | Royal Astronomical Society - 1867 - 248 pages
...and said he believed a mechanical explanation of the cause was to be hud on some such principles as the following : — Vapour of sodium must possess...tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | Royal Astronomical Society - 1867 - 668 pages
...and said he believed a mechanical explanation of the cause was to be had on some such principles as the following : — Vapour of sodium must possess...tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | Heinrich Schellen - 1872 - 744 pages
...and said he believed a mechanical explanation of the cause was to be had on some such principles as the following : Vapour of sodium must possess, by...tendency to vibrate in the periods corresponding to the degrees In the year 1860 he published his memoir on the relation between the emissive and absorptive... | |
 | Richard Glazebrook, Sir Richard Glazebrook - 1883 - 462 pages
...Stokes said he believed a mechanical explanation of the cause was to be had on some such principles as the following. Vapour of sodium must possess by its...tendency to vibrate in the periods corresponding to the degrees of refrangibility of the double line D. Hence the presence of sodium in a source of light must... | |
 | Florian Cajori - 1899 - 344 pages
...year 1849), in course of a conversation, explained the formation of absorption lines as follows : " Vapour of sodium must possess by its molecular structure a tendency to vibrate in the 1 W. VOIGT, Zum Gedachtniss von G. Kirchhoff, Gottingen, 1888, p. 9. 2 CROOKES in Chemical News, May... | |
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