Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 88
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 298
... light of the stars so far as magnitude 17 , the THE Maori have long been famous as past masters in the art of ... light is given in terms of the number of first nephrite ( " jade " ) of New Zealand being especi- It is , therefore , with ...
... light of the stars so far as magnitude 17 , the THE Maori have long been famous as past masters in the art of ... light is given in terms of the number of first nephrite ( " jade " ) of New Zealand being especi- It is , therefore , with ...
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 tg . 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 tg . Now if the distance ...
Vsebina
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method 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 rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg