Nature, Том 23Sir Norman Lockyer Macmillan Journals Limited, 1881 |
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Стр. 3
... surface of the globe have eruptions been witnessed different in kind though varying in degree from those of the Mediterranean vents . And hence even among those who have specially devoted themselves to the study of volcanoes there has ...
... surface of the globe have eruptions been witnessed different in kind though varying in degree from those of the Mediterranean vents . And hence even among those who have specially devoted themselves to the study of volcanoes there has ...
Стр. 4
... surface of a Vesuvian lava - stream , and were as unequivocally of secondary origin . Riding hour after hour among these arid wastes , I became con- vinced that all volcanic phenomena are not to be explained by the ordinary conception ...
... surface of a Vesuvian lava - stream , and were as unequivocally of secondary origin . Riding hour after hour among these arid wastes , I became con- vinced that all volcanic phenomena are not to be explained by the ordinary conception ...
Стр. 5
... surface . In all parts of the country , too , examples may be observed of breaks in the continuity of dykes . The same dyke vanishes for an interval and reap- pears on the same line , but is doubtless continuous underneath . What ...
... surface . In all parts of the country , too , examples may be observed of breaks in the continuity of dykes . The same dyke vanishes for an interval and reap- pears on the same line , but is doubtless continuous underneath . What ...
Стр. 17
... surface of a medium , warm that surface slightly , and must therefore produce physical and mole- cular actions in its structure . If it can be shown that this warming effect and an intermediate cooling by con- duction can go on with ...
... surface of a medium , warm that surface slightly , and must therefore produce physical and mole- cular actions in its structure . If it can be shown that this warming effect and an intermediate cooling by con- duction can go on with ...
Стр. 19
... surface action , the arrangement by which all the selenium used is a thin surface film could hardly be improved upon ; and that thirdly , the symmetry of the cylindrical cell specially adapts it for use in the parabolic mirror . These ...
... surface action , the arrangement by which all the selenium used is a thin surface film could hardly be improved upon ; and that thirdly , the symmetry of the cylindrical cell specially adapts it for use in the parabolic mirror . These ...
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