Nature, Količina 11Sir Norman Lockyer Macmillan Journals Limited, 1874 |
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Zadetki 1–3 od 78
Stran 122
... taken . No black drop apparent in photographs after careful examination . " This , then , is all we know at present , or are likely to know for some little time , of the work done at purely Delislean stations . We now come to the ...
... taken . No black drop apparent in photographs after careful examination . " This , then , is all we know at present , or are likely to know for some little time , of the work done at purely Delislean stations . We now come to the ...
Stran 352
... taken into account ) , so that the phenomena at moment of reappearance may be photographed . Imme- diately after reappearance the previously opened shutters should be closed , and the previously closed shutter should be opened to obtain ...
... taken into account ) , so that the phenomena at moment of reappearance may be photographed . Imme- diately after reappearance the previously opened shutters should be closed , and the previously closed shutter should be opened to obtain ...
Stran 388
... taken of the sun . From this time until the Transit was over , photographs were taken whenever breaks in the mist gave the opportunity , the mist growing into clouds as the day wore on , gradually shutting out the sun from sight . In ...
... taken of the sun . From this time until the Transit was over , photographs were taken whenever breaks in the mist gave the opportunity , the mist growing into clouds as the day wore on , gradually shutting out the sun from sight . In ...
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acid agricultural animals Apparatus appears arctic astronomical Bedford Street birds British C. J. VAN HOUTEN Cambridge Capt Catalogue Chemical Chemistry chromosphere Cocoa College colour contains Covent Garden Crown 8vo December ditto Edition English examination expedition experiments fact Fallow Deer Fitzroy Square flame Fleet Street flowers foraminifera Fossils Geology Globigerina Globigerina ooze High Holborn HOUTEN'S COCOA Illustrations insects instruments interesting Island JOHN Journal Lantern lectures Lepidoptera letter London MACMILLAN Manufactures Maps ment method Microscopes Museum Natural History Natural Science notes object observations Observatory obtained Office original paper Phylloxera physical plane plants plates post free post-free practical present Prof Professor published recent region remarks researches Royal Society School scientific shell Sir John Lubbock Sound South species specimens spectroscope Spitzbergen Statham's Strand surface temperature theory tion Transit of Venus volume