Spectrum Analysis -- Six Lectures1869 |
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Seite xiii
... INTENSITIES OF HEATING , LUMINOUS , AND CHEMICALLY ACTIVE RAYS IN SOLAR SPECTRUM 6. TYNDALL'S EXPERIMENTS ON CALORESCENCE . 12 14 16 17 19 21 སེབ 20 11. DITTO • • 12. — FACSIMILE OF FRAUNHOFER'S MAP ( 1814 ) OF THE DARK LINES IN THE ...
... INTENSITIES OF HEATING , LUMINOUS , AND CHEMICALLY ACTIVE RAYS IN SOLAR SPECTRUM 6. TYNDALL'S EXPERIMENTS ON CALORESCENCE . 12 14 16 17 19 21 སེབ 20 11. DITTO • • 12. — FACSIMILE OF FRAUNHOFER'S MAP ( 1814 ) OF THE DARK LINES IN THE ...
Seite 9
... intensity of vibration , sometimes being minute and shallow like the ripples on the surface of a pond , some- times rising and falling into the gigantic crests and valleys of the storm - ridden ocean ; so also the undulations of the ...
... intensity of vibration , sometimes being minute and shallow like the ripples on the surface of a pond , some- times rising and falling into the gigantic crests and valleys of the storm - ridden ocean ; so also the undulations of the ...
Seite 10
Henry E. Roscoe. of the ether producing light differ in amplitude and intensity , giving rise to the different effects of colour to which we have referred . Let us now compare the power of the ear and the eye , the one to receive the ...
Henry E. Roscoe. of the ether producing light differ in amplitude and intensity , giving rise to the different effects of colour to which we have referred . Let us now compare the power of the ear and the eye , the one to receive the ...
Seite 12
... intensity of the heating , luminous , and chemi- cally active rays in the various parts of the solar spectrum . The figure exhibits three curves , A , B , and c , showing the distribution of these three actions produced by the rays . of ...
... intensity of the heating , luminous , and chemi- cally active rays in the various parts of the solar spectrum . The figure exhibits three curves , A , B , and c , showing the distribution of these three actions produced by the rays . of ...
Seite 13
... intensity of each at any point of the spectrum is measured by the vertical line drawn from the point on the base line to meet its proper curve . Whilst noticing these peculiar properties of the dif- ferent rays , we must carefully ...
... intensity of each at any point of the spectrum is measured by the vertical line drawn from the point on the base line to meet its proper curve . Whilst noticing these peculiar properties of the dif- ferent rays , we must carefully ...
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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