Nature, Volume 85Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Página 258
... recent genera is rendered more difficult because of the greater gulf between recent members of the group and those which flourished in the Jurassic era . There can , however , be no reasonable doubt that the cycads of to - day are ...
... recent genera is rendered more difficult because of the greater gulf between recent members of the group and those which flourished in the Jurassic era . There can , however , be no reasonable doubt that the cycads of to - day are ...
Página 289
... RECENT PROGRESS IN ELECTRIC LIGHTING.1 Incandescent Lamps . THE most remarkable development within recent times is the production of an incandescent lamp with an efficiency approximating to 1 candle - power per watt . The best known of ...
... RECENT PROGRESS IN ELECTRIC LIGHTING.1 Incandescent Lamps . THE most remarkable development within recent times is the production of an incandescent lamp with an efficiency approximating to 1 candle - power per watt . The best known of ...
Página 403
... recent English writings , except those of Mr. Macnamara ; but he quotes at length from Rutot's memoirs on the Galley Hill skull , which assign to it a singularly great importance as " the geologically oldest diluvial human remains ...
... recent English writings , except those of Mr. Macnamara ; but he quotes at length from Rutot's memoirs on the Galley Hill skull , which assign to it a singularly great importance as " the geologically oldest diluvial human remains ...
Índice
Grignard M New Methods for the Synthesis of Nitriles Hamerton Captain A E Experiments to ascertain | xxix |
Maoris of New Zealand the James Cowan 109 Variations Prof J Hadamard 197 Practical Measure | xxxviii |
Lainé E the Nitrates in the Atmosphere of the Antarctic Lepsius Prof R Geologie von Deutschland und | xxxix |
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