Spectrum Analysis -- Six Lectures1869 |
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Seite xii
... COINCIDENCES WITH THE BRIGHT LINES OF THE SPECTRA OF MANY METALS , AS GIVEN IN THE DRAWINGS OF PROFESSORS KIRCHHOFF AND ÅNGSTRÖM LIST OF THE PRINCIPAL MEMOIRS ON SPECTRUM ANALYSIS . Page . 311 1. RELATING TO THE SUBJECT GENERALLY II ...
... COINCIDENCES WITH THE BRIGHT LINES OF THE SPECTRA OF MANY METALS , AS GIVEN IN THE DRAWINGS OF PROFESSORS KIRCHHOFF AND ÅNGSTRÖM LIST OF THE PRINCIPAL MEMOIRS ON SPECTRUM ANALYSIS . Page . 311 1. RELATING TO THE SUBJECT GENERALLY II ...
Seite 68
... coincident with Fraunhofer's dark line D , and is remarkable for its exactly defined form and for its extraordinary degree of brightness . If the temperature of the flame be very high , and the quantity of the substance employed very ...
... coincident with Fraunhofer's dark line D , and is remarkable for its exactly defined form and for its extraordinary degree of brightness . If the temperature of the flame be very high , and the quantity of the substance employed very ...
Seite 84
... coincident with the strontium line , Sr 8 , and a second blue one lying a little further towards the violet end of the spectrum , and rivalling the lithium line in brightness and dis- tinctness of outline . APPENDIX B. BUNSEN AND ...
... coincident with the strontium line , Sr 8 , and a second blue one lying a little further towards the violet end of the spectrum , and rivalling the lithium line in brightness and dis- tinctness of outline . APPENDIX B. BUNSEN AND ...
Seite 86
... coincident or not.2 FIG . 26 . b We now proceed to describe the arrangement and mode of using the instrument . The telescope ƒ is first drawn out so far that a distant object is plainly seen , and screwed into the ring , in which it is ...
... coincident or not.2 FIG . 26 . b We now proceed to describe the arrangement and mode of using the instrument . The telescope ƒ is first drawn out so far that a distant object is plainly seen , and screwed into the ring , in which it is ...
Seite 100
... coincident with one of the barium lines . This apparent coincidence is resolved when examined by a higher magnifying power . remarkable . It stands about half - way between lead 100 [ LECT . III . SPECTRUM ANALYSIS .
... coincident with one of the barium lines . This apparent coincidence is resolved when examined by a higher magnifying power . remarkable . It stands about half - way between lead 100 [ LECT . III . SPECTRUM ANALYSIS .
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absorption alkaline Ångström apparatus appear Appendix bands barium bodies bright bands bright lines Bunsen cæsium calcium carbon chemical action Chemical Elements chloride coincident colour comet compounds contains continuous spectrum dark lines detected diagram didymium electric spark elements emitted employed examination exhibits existence experiments eyepiece flame Fourth Series Fraunhofer Fraunhofer's gaseous gases give green heated Huggins hydrochloric acid hydrogen hydrogen line incandescent inch instrument intensity iron Kirchhoff lecture lens light lithium luminous magnesium Major Tennant measures metallic lines milligramme millimetre motion nebula nitrogen object-glass observed obtained oxygen pass peculiar Phil placed plate platinum portion position potassium presence prism produced rays reaction red line refracting refrangible rubidium salt scale seen Sirius slit soda sodium sodium line solar atmosphere solar spectrum spectra spectroscope spectrum analysis stellar strontium substance sun's telescope temperature thallium tube vapour violet visible volatile whilst wire