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The comparative aggregate strength of the light from the red hydrogen- 

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Depeche telegraphique addresse de Simla au sujet des lignes de l'hydro- 

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17, Intensity of light in the solar spectrtim. 



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The comparative aggregate strength of the light from the red hydrogen- 

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Distribution de l'energie dans le spectre solaire normal. 

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Confronto fra la radiazione e l'intensita chimica della luce del sole. 

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fitude de la distribution de la lumiere dans le spectre solaire. 



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Ueber die Vertheilung der chemischen Lichtintensitiit imSonnenspectrum. 



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 8 T 



