Nature, Količina 94Sir Norman Lockyer Macmillan Journals Limited, 1915 |
Vsebina
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Druge izdaje - Prikaži vse
Pogosti izrazi in povedi
æther Agriculture animals appears Astronomical Australia birds British Association character chemical chemistry College colour comet course Cretaceous deal described discussion disease edition effect electric engineering experimental experiments fact flora geological given gives Gondwanaland illustrated important India infection Institute interesting investigation islands isostasy J. J. Thomson Joseph Larmor knowledge land large number larvæ lectures lines London Macmillan malaria material mathematical matter ment method Museum nature November observations Observatory obtained October organisation organism origin paper period Permian Permo-Carboniferous photographs Phylloglossum physical plants plates practical present Price problems produced Prof protozoa published rainfall recent regard Royal Royal Society scientific Society soil South South Africa South Wales species square miles stars stress structure surface temperature theory tion University volume Western Australia
Priljubljeni odlomki
Stran 15 - ... the art of directing the great sources of power in nature for the use and convenience of man, as the means of production and of traffic in states.
Stran 69 - 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...
Stran 21 - Rapid Methods for the Chemical Analysis of Special Steels, Steel-Making Alloys and Graphite...
Stran 337 - October 12, 1908, a prize of $1,500 is offered for the best treatise 'On the Relation of Atmospheric Air to Tuberculosis.
Stran 20 - During the three years which have elapsed since the publication of the third edition of this...
Stran xv - ... 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...
Stran 13 - During the last few years much attention has been paid to the marble deposits on the Prince of Wales Island.
Stran 10 - Formerly the richest countries were those in which nature was most bountiful; now the richest countries are those in which man is most active. For in our age of the world, if nature is parsimonious, we know how to compensate her deficiencies. If a river is difficult to navigate, or a country difficult to traverse, our engineers can correct the error, and remedy the evil. If we have no rivers, we make canals; if we have no natural harbours, we make artificial ones.
Stran 5 - 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...
Stran 270 - 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.