Nature, Količina 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Zadetki 1–3 od 87
Stran 149
... light is viewed against a dark background . If , for example , " a patch of soft red colour , such as a ruby lamp wrapped with tissue paper , he viewed in a dark room , diffuse brushes of bluish tint are seen , apparently spreading ...
... light is viewed against a dark background . If , for example , " a patch of soft red colour , such as a ruby lamp wrapped with tissue paper , he viewed in a dark room , diffuse brushes of bluish tint are seen , apparently spreading ...
Stran 223
... light passed through the light and dark parts of a photograph in succession being used to vary the strength of an electric current sent apparatus . to the receiving In Korn's selenium transmitter light is concentrated from a Nernst lamp ...
... light passed through the light and dark parts of a photograph in succession being used to vary the strength of an electric current sent apparatus . to the receiving In Korn's selenium transmitter light is concentrated from a Nernst lamp ...
Stran xxv
... Light on Gases , 86 ( Delphinapterus leucas ) , 270 Loomis ( F. ) , Complete Skeleton of a New Species of the Camel ... Light the Sterilisation of Liquids by Light of Very Short Wave - length , Prof. Theodore Lyman , 71 ; the Pressure of ...
... Light on Gases , 86 ( Delphinapterus leucas ) , 270 Loomis ( F. ) , Complete Skeleton of a New Species of the Camel ... Light the Sterilisation of Liquids by Light of Very Short Wave - length , Prof. Theodore Lyman , 71 ; the Pressure of ...
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