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Page xxix - Empire, with one another and with foreign philosophers, — to obtain a more general attention to the objects of Science, and a removal of any disadvantages of a public kind which impede its progress.
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 494 - To meet the requirements respecting discipline, the managers and teachers will be expected to satisfy the inspector that all reasonable care is taken, in the ordinary management of the school, to bring up the children in habits of punctuality, of good...
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 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.
Page 26 - On partially liquefying carbonic acid by pressure alone, and gradually raising at the same time the temperature to 88° Fahr., the surface of demarcation between the liquid and gas became fainter, lost its curvature, and at last disappeared. The space was then occupied by a homogeneous fluid, which exhibited, when the pressure was suddenly diminished or the temperature slightly lowered, a peculiar appearance of moving or flickering striae throughout its entire mass.
Page 746 - THE general explanation of Totemism to which the Intichiuma ceremonies seem to point is that it is primarily an organised and co-operative system of magic designed to secure for the members of the community, on the one hand, a plentiful supply of all the commodities of which they stand in need, and, on the other hand, immunity from all the perils and dangers to which man is exposed in his struggle with nature.
Page 48 - The study of dielectric constants at low temperatures has resulted in the discovery of some interesting facts. A fundamental deduction from Maxwell's theory is that the square of the refractive index of a body should be the same number as its dielectric constant. So far, however, from this being the case generally, the exceptions are far more numerous than the coincidences. It has been shown in the case of many substances, such as ice and glass, that an increase in the frequency of the alternating...
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...