...of the metul is obtained. In conclusion, we may add that in none of the spectra of the more easily reducible alkaline metals (potassium, sodium, lithium) can any deviation or disappearance of the maxima of light be noticed on change of temperature. On a Meant of Increasing the Intensity of...

...compounds are split up, and thus the true spectrum of the metal is obtained. In conclusion, we may add that in none of the spectra of the more reducible alkaline...sodium, lithium) can any deviation or disappearance of the maxima of light be noticed on change of temperature. APPENDIX C. ON THE SPECTRA OF ERBIUM AND DIDYMIUM,...

...compounds are split up, and thus the true spectrum of the metal is obtained. In conclusion, we may add that in none of the spectra of the more reducible alkaline...sodium, lithium) can any deviation or disappearance of the maxima of light be noticed on change of temperature. APPENDIX C. K1RCHHOFF ON THE VARIATION OF...

...only 1x5 obtained from the metals potassium, sodium, lithium, strontium, calcium, barium, caesium, rubidium, copper, manganese, thallium, and indium,...of some earths when incandescent in the oxyhydrogen fla-ne, remarks : — " The question presents itself as to the nature of the vapour to which the bright...

...compounds are split up, and thus the true spectrum of the metal is obtained. In conclusion, we may add that in none of the spectra of the more reducible alkaline...sodium, lithium) can any deviation or disappearance of the maxima of light be noticed on change of temperature. APPENDIX C. KIRCHHOFF ON THE VARIATION OF...