Nature, Volume 11Sir Norman Lockyer Macmillan Journals Limited, 1874 |
No interior do livro
Resultados 1-3 de 80
Página 49
... object ; but these multiple images are usually too small to be seen without the aid of a telescope - the objects whose images they are being so distant as to appear mere specks to the naked eye . There is always more or less of change ...
... object ; but these multiple images are usually too small to be seen without the aid of a telescope - the objects whose images they are being so distant as to appear mere specks to the naked eye . There is always more or less of change ...
Página 52
... object will thus have its conjugates , we shall have a suc- cession of images of the object . The first image will be upside down , the second erect , and so on alternately . They will be what are technically called " real " images ...
... object will thus have its conjugates , we shall have a suc- cession of images of the object . The first image will be upside down , the second erect , and so on alternately . They will be what are technically called " real " images ...
Página 71
... object to travel along between two of the rays which proceed from the eye , it is clear from the diagram that the object will begin to be sensibly magnified as it enters the region of rapid change , and the magnification will increase ...
... object to travel along between two of the rays which proceed from the eye , it is clear from the diagram that the object will begin to be sensibly magnified as it enters the region of rapid change , and the magnification will increase ...
Outras edições - Ver tudo
Palavras e frases frequentes
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