Studies in Spectrum AnalysisC. K. Paul, 1878 - 258 стор. |
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Сторінка 49
... each pole , which shells give different spectra , then these spectra will be sorted out so that their varia- tions may be traced from pole to pole . E This method was employed by Dr. Frankland and myself in Methods of Demonstration . 49.
... each pole , which shells give different spectra , then these spectra will be sorted out so that their varia- tions may be traced from pole to pole . E This method was employed by Dr. Frankland and myself in Methods of Demonstration . 49.
Сторінка 50
Sir Norman Lockyer. This method was employed by Dr. Frankland and myself in our experiments in 1869 , and was first ex- C B FIG . 14. The analysing ... employed with great success by M. Salet in a research 50 Studies in Spectrum Analysis .
Sir Norman Lockyer. This method was employed by Dr. Frankland and myself in our experiments in 1869 , and was first ex- C B FIG . 14. The analysing ... employed with great success by M. Salet in a research 50 Studies in Spectrum Analysis .
Сторінка 51
... employed and the size of the image varied at pleasure , and still the brightness of the spectrum will be sufficient in all ordinary cases . We drive the metal of which the poles at C ( Fig . 14 ) are composed into vapour , the vapour is ...
... employed and the size of the image varied at pleasure , and still the brightness of the spectrum will be sufficient in all ordinary cases . We drive the metal of which the poles at C ( Fig . 14 ) are composed into vapour , the vapour is ...
Сторінка 56
... employ sodium we have a continuous spectrum sharply cut at top and bottom and the set of four double lines in the red , yellow , green , and blue characteristic of sodium : with that now in question , all the conditions , with the ex ...
... employ sodium we have a continuous spectrum sharply cut at top and bottom and the set of four double lines in the red , yellow , green , and blue characteristic of sodium : with that now in question , all the conditions , with the ex ...
Сторінка 57
... employ the electric lamp with these salts we at once get totally different phenomena . Another class of apparatus is necessary when we wish to employ no longer heat but electricity as the Methods of Demonstration . 57 Radiation Phenomena.
... employ the electric lamp with these salts we at once get totally different phenomena . Another class of apparatus is necessary when we wish to employ no longer heat but electricity as the Methods of Demonstration . 57 Radiation Phenomena.
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alloy aluminium Ångström atomic weight bands barium blue end bodies bright lines Bunsen cadmium calcium chloride chromosphere Cloth cobalt coincident colour complete compound molecule continuous spectrum Crown 8vo Demy 8vo density dissociation electric lamp electrodes elements employed encounters ether experiments fact Fcap flame fluted Fraunhofer lines free path gases Geissler tube give glass H lines heat heliostat hydrogen impurities iodide iron Kirchhoff large number length light line spectrum liquid long and short longest lines magnesium maps metallic vapours metalloids method molecular molecules motion nickel observed obtained oxide particles phenomena photographs plate platinum poles portion present pressure Prof rays refrangible rendered result salts seen short lines slit sodium sodium vapour solar atmosphere solar spectrum solid sound spark spec spectra spectroscope Sprengel pump Stokes Strontic strontium substances temperature Thalén thick lines tion trum tube vibration violet visible visible spectrum volatility vols wave-length waves yellow zinc