Nature, Volume 93Sir Norman Lockyer Macmillan Journals Limited, 1914 - Electronic journals |
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Page 18
... field is the rarity of igneous rocks ; they are represented only by two small pipes of orthoclase - porphyry , which appear to have no con- nection with the ores . The mineral deposits are attri- buted by Mr. Andrews to the post ...
... field is the rarity of igneous rocks ; they are represented only by two small pipes of orthoclase - porphyry , which appear to have no con- nection with the ores . The mineral deposits are attri- buted by Mr. Andrews to the post ...
Page 360
... field , ingeniously arranged between a perforated kathode and an auxiliary electrode at a few millimetres ' distance . The field intensity amounts to 30,000 , and in some experiments even to 47,000 , volts per cm . When the observation ...
... field , ingeniously arranged between a perforated kathode and an auxiliary electrode at a few millimetres ' distance . The field intensity amounts to 30,000 , and in some experiments even to 47,000 , volts per cm . When the observation ...
Page 427
... field was diminished when this longitudinal field was superposed upon a steadily maintained transverse field . In high transverse fields the increase due to the superposed longitudinal field was barely measurable ; but in no case did ...
... field was diminished when this longitudinal field was superposed upon a steadily maintained transverse field . In high transverse fields the increase due to the superposed longitudinal field was barely measurable ; but in no case did ...
Contents
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