Spectrum Analysis -- Six Lectures1869 |
Im Buch
Ergebnisse 1-5 von 36
Seite 15
... heated to redness . I can show you this again in a variety of forms . Here is some gunpowder strewed on this paper ; you observe that it at once explodes when brought into the focus of the dark rays . Here I have some blackened gun ...
... heated to redness . I can show you this again in a variety of forms . Here is some gunpowder strewed on this paper ; you observe that it at once explodes when brought into the focus of the dark rays . Here I have some blackened gun ...
Seite 36
... heated , is the employment of the light evolved by burning magnesium wire for photographic purposes . The 1 Professor Roscoe on Spectrum Analysis , Royal Institution of Great Britain Proceedings , May 6 , 1864 . spectrum of this light ...
... heated , is the employment of the light evolved by burning magnesium wire for photographic purposes . The 1 Professor Roscoe on Spectrum Analysis , Royal Institution of Great Britain Proceedings , May 6 , 1864 . spectrum of this light ...
Seite 37
... heated magnesia formed by the com- bustion . Professor Bunsen and the speaker in 1859 determined the chemically active power possessed by this light , and com- pared it with that of the sun ; and they suggested the application of this ...
... heated magnesia formed by the com- bustion . Professor Bunsen and the speaker in 1859 determined the chemically active power possessed by this light , and com- pared it with that of the sun ; and they suggested the application of this ...
Seite 38
... heated steel press having a fine opening at bottom : this wire might be rolled up in coils on a spindle , which could be made to revolve by clockwork , and thus the end of the wire , guided by passing through a groove or between rollers ...
... heated steel press having a fine opening at bottom : this wire might be rolled up in coils on a spindle , which could be made to revolve by clockwork , and thus the end of the wire , guided by passing through a groove or between rollers ...
Seite 45
... heated , is that it becomes red hot , and that as we increase the temperature , the light which it gives off increases in refrangibility , so that it ends by emitting light of every degree of refrangibility . I cannot show you on the ...
... heated , is that it becomes red hot , and that as we increase the temperature , the light which it gives off increases in refrangibility , so that it ends by emitting light of every degree of refrangibility . I cannot show you on the ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
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