Nature, Količina 79Sir Norman Lockyer Macmillan Journals Limited, 1908 |
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actinium æther Agriculture animals apparatus appears application Astronomical atom atomic weight B.Sc BAROGRAPH Botany British Catalogue chapter Chemical Chemistry College colour comet contains course Crown 8vo D.Sc dealing December described discussion edition electric elementary ENGINEERING examination experimental experiments Franco-British Exhibition francs Geology give given helium HIGH HOLBORN hydrogen Illustrated important Institute instruments interest investigation J. J. Thomson Journal laboratory large number larvæ lectures Leptoplana London magnetic Mathematics ment Messrs method MICROSCOPES Museum NATURE November observations Observatory obtained Office Optical organic chemistry original paper particles photographs physical plants plates post free practical present pressure Price principles prize produced Prof Professor published radio-active radium rays recent recognised regard Royal Society schools scientific South species specimens Street teachers temperature theory tion tube University University of London volume Zoology