Spectrum Analysis -- Six Lectures1869 |
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Ergebnisse 1-5 von 24
Seite xiii
... ELECTRIC LAMP , PRISM , AND SCREEN 23 31 33 35 • 47 48 50 54 • 54 55 • 56 18. - ARRANGEMENT OF LAMP , LENS , AND ... ELECTRIC SPARK IN DIFFERENT GASES . 103 28. - GEISSLER'S TUBES , EXPERIMENTAL FORM • 104 Fig . 29. - GEISSLER'S TUBES ...
... ELECTRIC LAMP , PRISM , AND SCREEN 23 31 33 35 • 47 48 50 54 • 54 55 • 56 18. - ARRANGEMENT OF LAMP , LENS , AND ... ELECTRIC SPARK IN DIFFERENT GASES . 103 28. - GEISSLER'S TUBES , EXPERIMENTAL FORM • 104 Fig . 29. - GEISSLER'S TUBES ...
Seite 8
... electric spark , you will see that all the colours of the disc become noticeable at once . This is because the period of illumination is so exceedingly short that the disc ap- pears as if stationary . It was indeed at one time supposed ...
... electric spark , you will see that all the colours of the disc become noticeable at once . This is because the period of illumination is so exceedingly short that the disc ap- pears as if stationary . It was indeed at one time supposed ...
Seite 52
... electric spark , which I have here the means of producing . The temperature of this electric spark is so high that it has never been measured , but it is certainly infinitely higher even than the temperature of the oxyhydrogen flame ...
... electric spark , which I have here the means of producing . The temperature of this electric spark is so high that it has never been measured , but it is certainly infinitely higher even than the temperature of the oxyhydrogen flame ...
Seite 100
... electric lamp . Here you see this magnificent green band ( Frontispiece , No. 5 ) . The chemical properties of this substance are also very 1 The spark - spectrum of thallium exhibits five other lines in addition to the bright one in ...
... electric lamp . Here you see this magnificent green band ( Frontispiece , No. 5 ) . The chemical properties of this substance are also very 1 The spark - spectrum of thallium exhibits five other lines in addition to the bright one in ...
Seite 103
... electric spark . When we pass the electric spark through a gas , it becomes heated up to a temperature far higher than any- thing we can obtain by means of flames ; and when thus heated the gas gives off the light which is peculiar to ...
... electric spark . When we pass the electric spark through a gas , it becomes heated up to a temperature far higher than any- thing we can obtain by means of flames ; and when thus heated the gas gives off the light which is peculiar to ...
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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