Nature, Volume 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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... tion , a conception that has left its mark deep on the physico - chemical research records of the past thirty years . This hypothesis has been the guid- ing principle in countless investigations , and although it presents difficulties ...
... tion , a conception that has left its mark deep on the physico - chemical research records of the past thirty years . This hypothesis has been the guid- ing principle in countless investigations , and although it presents difficulties ...
Página 406
... tion of a photograph of the two spectra in juxtaposi tion with a wave - length scale , by means of which the lines which are weaker in the spectrum of the mixture can be identified by reference to Watson's measure- ments of the spectrum ...
... tion of a photograph of the two spectra in juxtaposi tion with a wave - length scale , by means of which the lines which are weaker in the spectrum of the mixture can be identified by reference to Watson's measure- ments of the spectrum ...
Página 407
... tion of a photograph of the two spectra in juxtaposi tion with a wave - length scale , by means of which the lines which are weaker in the spectrum of the mixture can be identified by reference to Watson's measure- ments of the spectrum ...
... tion of a photograph of the two spectra in juxtaposi tion with a wave - length scale , by means of which the lines which are weaker in the spectrum of the mixture can be identified by reference to Watson's measure- ments of the spectrum ...
Índice
Crabtree J H British Ferns and how to Identify | xvi |
Crawford H S The Mural Paintings and Inscriptions | xxxiii |
The Direct Determination Kew Observatory 120 The Magnetic Storm of August | xxxv |
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