Nature, Volume 94Sir Norman Lockyer Macmillan Journals Limited, 1915 - Electronic journals |
From inside the book
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Page 10
... records of several large earthquakes showing an average speed for the waves of about three kilometres a second . The rates of propagation of the waves giving the first and second phases are both much greater than of those forming the ...
... records of several large earthquakes showing an average speed for the waves of about three kilometres a second . The rates of propagation of the waves giving the first and second phases are both much greater than of those forming the ...
Page 11
... records - he considered fourteen examples only - but the conclusions based on a small number of trustworthy records , from which variations due to the different methods of marking the phases are eliminated , are more trustworthy than ...
... records - he considered fourteen examples only - but the conclusions based on a small number of trustworthy records , from which variations due to the different methods of marking the phases are eliminated , are more trustworthy than ...
Page 12
... records of ancient glaciations we might omit those of the pre - Cambrian rocks of North Ontario and the pre - Upper Cambrian of Norway , as these areas are nearer the poles than many places which were certainly covered with ice - sheets ...
... records of ancient glaciations we might omit those of the pre - Cambrian rocks of North Ontario and the pre - Upper Cambrian of Norway , as these areas are nearer the poles than many places which were certainly covered with ice - sheets ...
Page 15
... record from Palæo- zoic to Tertiary times , representing the sediments which were laid down in the great central ... Records of the Survey of India , " vol . v . , p . 1 . 26 Proc Roy . Soc , Series A , vol . xc . , p . 32 , 1914 ...
... record from Palæo- zoic to Tertiary times , representing the sediments which were laid down in the great central ... Records of the Survey of India , " vol . v . , p . 1 . 26 Proc Roy . Soc , Series A , vol . xc . , p . 32 , 1914 ...
Page 16
... records of the Himalayan region have been masked or destroyed by later foldings . But in the stratified rocks lying just south of the southern margin of the great alluvial belt we find a common tendency for faults to strike in this way ...
... records of the Himalayan region have been masked or destroyed by later foldings . But in the stratified rocks lying just south of the southern margin of the great alluvial belt we find a common tendency for faults to strike in this way ...
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Common terms and phrases
Agriculture animals appears applied Australia British Association Carboniferous character chemical climate College colour comet course Cretaceous crust curve D'Arcy Thompson deal described discussion disease earth effect engineering enzymes expedition experiments fact Fisheries flora geological give given illustrated important increase India interesting investigation islands isostasy J. J. Thomson Joseph Larmor land larvæ lectures lines lithosphere London malaria material mathematical matter ment Mesozoic methods miles Museum natural observations Observatory obtained October organisation organism origin paper period Permian photographs Phylloglossum physical plants plates possible practical present Price problems produced Prof protozoa published rainfall recent records regard Royal scientific Society soil South South Africa species square miles stress summer belt surface telegraphy temperature theory tidal friction tion University various velocity Western Australia
Popular passages
Page 29 - Engineer, being the art of directing the great sources of power in Nature for the use and convenience of man...
Page 83 - The which observed, a man may prophesy, With a near aim, of the main chance of things As yet not come to life ; which in their seeds, And weak beginnings lie intreasured. Such things become the hatch and brood of time...
Page 39 - Rapid Methods for the Chemical Analysis of Special Steels, Steel-Making Alloys and Graphite...
Page 307 - October 12, 1908, a prize of $1,500 is offered for the best treatise 'On the Relation of Atmospheric Air to Tuberculosis.
Page 22 - In pursuance of this scheme the Commercial Intelligence Branch of the Board of Trade...
Page 3 - ... indication of a difference between the physical nature of the suboceanic and sub-continental parts of the crust is in rough correspondence with the conclusions previously suggested on quite other grounds. In...
Page 35 - Purely untutored humanity, it is true, interferes comparatively little with the arrangements of nature, and the destructive agency of man becomes more and more energetic and unsparing as he advances in civilization, until the impoverishment, with which his exhaustion of the natural resources of the soil is threatening him, at last awakens him to the necessity of preserving what is left, if not of restoring what has been wantonly wasted.
Page 248 - Instead of the circular hole, 'tis better to substitute an oblong hole, shaped like a long parallelogram, with its length parallel to the prism. For if this hole be an inch or two long and but a tenth or twentieth part of an inch broad or narrower, the light of the image will be as simple as before, or simpler, and the image will become much broader and therefore more fit to have experiments tried in its light than before.
Page 37 - Walbrook, and so into the Thames. And by these degrees was this fen or moor at length made main and hard ground, which before being overgrown with flags, sedges, and rushes, served to no use...
Page 43 - My first child was born on December 27th, 1839, and I at once commenced to make notes on the first dawn of the various expressions which he exhibited, for I felt convinced, even at this early period, that the most complex and fine shades of expression must all have had a gradual and natural origin.