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Page xxix - Its objects are— to give a stronger impulse, and a more systematic direction to scientific enquiry— to promote the intercourse of those who cultivate Science in different parts of the...
Page 19 - For heat and cold are nature's two hands, whereby she chiefly worketh ; and heat we have in readiness, in respect of the fire ; but for cold we must stay till it cometh, or seek it in deep caves, or high mountains : and when all is done, we cannot obtain it in any great degree : for furnaces of fire are far hotter than a summer's sun ; but vaults or hills are not much colder than a winter's frost.
Page 9 - In fact, the whole process of evolution is the manifestation of a Power absolutely inscrutable to the intellect of man. As little in our day as in the days of Job can man by searching find this Power out.
Page 19 - New experiments and observations touching cold, or, An experimental history of cold, begun.
Page 56 - ... boiling water ; state and explain what will occur. 11. The inside of the wall of a house is at 15° C., and the outside at 0°C., the wall is of stone, and 50 cm. thick. Find how much heat passes across it per square metre. The conductivity of the stone is -005 and the unit of heat is the quantity required to raise the temperature of one gramme of water one degree centigrade.
Page 26 - Andrews called the critical temperature. He showed that this temperature is constant, and differs with each substance, and that it is always associated with a definite pressure peculiar to each body. Thus the two constants, critical temperature and pressure, which have been of the greatest importance in subsequent investigations, came to be defined, and a complete experimental proof was given that ''the gaseous and liquid states are only distinct stages of the same condition of matter and are capable...
Page 664 - It is, however, when we leave the high seas with their almost inexhaustible store of unexplored ocean floors and icebound coast-line, and turn from oceanography to the more familiar aspects of land geography that we find those spaces within which " pioneer " exploration can be usefully carried to be so rapidly contracting year by year as to force upon our attention the necessity for adapting our methods for a progressive system of worldwide map-making, not only to the requirements of abstract science,...
Page 27 - ... were almost independent quantities. His investigation of the capillarity constant was masterly, and he added further to our knowledge of the magnitudes of the molecules of gases and of their mean free paths. Following up the experiments of Joule and Kelvin, he showed how their cooling coefficients could be deduced, and proved that they vanished at a temperature in each case which is a constant multiple of the specific critical temperature. The equation of continuity developed by van der Waals...
Page 9 - The impregnable position of science may be described in a few words. We claim, and we shall wrest from theology, the entire domain of cosmological theory. All schemes and systems which thus infringe upon the domain of science must, in so far as they do this, submit to its control, and relinquish all thought of controlling it.