Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 83
Stran 44
... light of this wave- length was focussed at the centre of an exhausted quartz bulb containing a drop of mercury at atmo- spheric temperature , it was found that the light was powerfully scattered by the vapour , photographs of the bulb ...
... light of this wave- length was focussed at the centre of an exhausted quartz bulb containing a drop of mercury at atmo- spheric temperature , it was found that the light was powerfully scattered by the vapour , photographs of the bulb ...
Stran 101
... light of the stars . His results showed that the total light of the stars was about equal to that which would be given by 630 stars of the first mag- nitude . The light given by stars of each magnitude somewhat increased down to the ...
... light of the stars . His results showed that the total light of the stars was about equal to that which would be given by 630 stars of the first mag- nitude . The light given by stars of each magnitude somewhat increased down to the ...
Stran 409
... light . Now imagine a ray of light to be sent out from A at an instant t1 , in the direction A B. Let this ray arrive at B at the instant to . Let it then be reflected back to A , arriving there at the instant t3 . Now if the distance ...
... light . Now imagine a ray of light to be sent out from A at an instant t1 , in the direction A B. Let this ray arrive at B at the instant to . Let it then be reflected back to A , arriving there at the instant t3 . Now if the distance ...
Vsebina
GEOLOGICAL SOCIETY at 8 An Apparently Paleolithic Drawing on | 36 |
Note on a Functional Equation | 51 |
RadioActive Elements and the Periodic Table | 121 |
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absolute magnitudes acid æther appears April atomic atomic weight balloon British cent chemical chemistry classes College colour committee contains density described direction discussion edition effect electric electrons Engineering experiments fact Funafuti Geological giant stars given gives Hermann et Fils illustrated important increase industry Institute interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method metric system mineral motion Museum National Physical Laboratory NATURE observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent region rocks Royal Society schools scientific solar species spectra spectral classes spectrum stars surface temperature theory tion tube University various velocity volume W. H. Bragg