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Although a system but recently developed, the employment of hydraulic machinery for transmitting and applying power has reached an extended application to a variety of purposes, and gives promise of a still more extensive use in future. Considered as a means of transmitting regularly a constant amount [54] of power, water apparatus is more expensive and inferior in many respects to belts or shafts, and its use must be traced to some special principle involved which adapts hydraulic apparatus to the performance of certain duties. This principle will be found to consist in storing up power in such a manner that it may be used with great force at intervals; and secondly, in the facilities afforded for multiplying force by such simple mechanism as pumps. An engine of ten-horse-power, connected with machinery by hydraulic apparatus, may provide for a force equal to one hundred horse-power for one-tenth part of the time, the power being stored up by accumulators in the interval; or in other words, the motive power acting continuously can be accumulated and applied at intervals as it may be required for raising weights, operating punches, compressive forging, or other work of an intermittent character. Hydraulic machinery employed for such purposes is more simple and inexpensive than gearing and shafts, especially in the application of a great force acting for a considerable distance, and where a cylinder and piston represent a degree of strength which could not be attained with twice the amount of detail, if gearing, screws, levers, or other devices were employed instead.

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An arm of mist, swinging far over the land, intervened between their vision and the shore line.But the shell-fire of the French overtook them then, as they were retreating, while many others were killed by bombs from French aeroplanes, which were in action in great numbers. The retreat had not stopped before the Germans arrived in Cambray, where the thousands of wounded could at last be put in long trains and sent to Aix-la-Chapelle. A great many bombs from aeroplanes also hit these trains and killed a great many; my own train was everywhere pierced by fragments of those bombs. Within the carriages it was unendurable; the wounded men and their malodorous bandages had occupied them such a long time that the atmosphere was simply insupportable. Happily there was a corridor, where I stood all the time, with the little girl, in the company of some German military men who were sent home, not on account of wounds, but because of internal complaints.Aristotle next takes the Idea of Substance and subjects it to a fresh analysis.243 Of all things none seem to possess so evident an existence as the bodies about usplants and animals, the four elements, and the stars. But each of these344 has already been shown to consist of Form and Matter. A statue, for instance, is a lump of bronze shaped into the figure of a man. Of these two constituents, Matter seems at first sight to possess the greater reality. The same line of thought which led Aristotle to place substance before the other categories now threatens to drive him back into materialism. This he dreaded, not on sentimental or religious grounds, but because he conceived it to be the negation of knowledge. He first shows that Matter cannot be the real substance to which individuals owe their determinate existence, since it is merely the unknown residuum left behind when every predicate, common to them with others, has been stripped off. Substance, then, must be either Form alone or Form combined with Matter. Form, in its completest sense, is equivalent to the essential definition of a thingthe collection of attributes together constituting its essence or conception. To know the definition is to know the thing defined. The way to define is to begin with the most general notion, and proceed by adding one specific difference after another, until we reach the most particular and concrete expression. The union of this last with a certain portion of Matter gives us the individual Socrates or Callias. There are no real entities (as the Platonists pretend) corresponding to the successive stages of generalisation, biped, animal, and so forth, any more than there are self-existing quantities, qualities, and relations. Thus the problem has been driven into narrower and narrower limits, until at last we are left with the infim? species and the individuals contained under them. It remains to discover in what relation these stand to one another. The answer is unsatisfactory. We are told that there is no definition of individuals, and also that the definition is identical with the individual.244 Such, indeed, is the conclusion necessarily resulting from Aristotles repeated declarations that all knowledge is of345 definitions, that all knowledge is of something really existing, and that nothing really exists but individual things. Nevertheless, against these we have to set equally strong declarations to the effect that knowledge is of something general, not of the perishing individuals which may pass out of existence at any moment. The truth is, that we are here, as Zeller has shown,245 in presence of an insoluble contradiction, and we must try to explain, not how Aristotle reconciled it with itself, for that was impossible, but how he reconciled himself to it. このページの先頭です
ONE:Charlton rummaged on a table with his head down. Like a cat Leona sprang forward. Something bright glittered in the air. The man turned just in time to save the steel crashing between his ribs, it glanced off between his shoulders, there was a sharp spasm of pain as he fell. Just for an instant he was unconscious. Then, as suddenly as it had gone, reason came back to him. He heard the trip of feet down the stairs, he heard the rattle and banging of a door. He was bleeding freely, but he managed to drag himself to the window.
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ONE:No! declared Larry, stoutly.It was the crowning glory of a wonderful woman's career. She stood smiling before her guests in a dress that had cost Worth a sleepless night. A duke was just congratulating her upon her good taste. A couple of gorgeous footmen were casting back the curtains of the supper room. Down below in the hall something like an altercation seemed to be going on.
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TWO:What might happen next? Sitting on a chair in a corner of the room I began to consider my position. For the moment it was not agreeable, but by and by those officers might find time to look at my papers. The only thing I bothered about was a map marked with the places where, according to the latest news, the German and French armies were. I kept it in an inside coat-pocket, and it might be found if they should search me.
TWO:She pondered over this discovery as she went home. It might mean a lot, it might mean a very little. It was more than possible that Mr. Charlton had left a caretaker in possession of the house with a view to avoiding further incursions upon his possessions. If so, that casual way of boiling a kettle was quite the course a caretaker would adopt.Isidore finished his cigar, after which he took a frugal omnibus to the City, getting down in the neighbourhood of Cheapside. He found himself presently in a dingy office off Ironmonger Lane, and face to face with a fat, oily man, who recognized him with a mixture of admiration and apprehension.
TWO:"Don't laugh, dear," Hetty whispered. "The place haunts, me. I never seem to be able to get away from the horrors of it. And last night----"
THREE:"And what is the news in The Netherlands about the war?"
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THREE:Wildly, as those on the bridge came into clear view, Sandy, Larry, Dick and Jeff gesticulated, pointing astern. Bells were jangled, the yacht was sharply brought up by reversed propellers and a tender was swiftly being put down from its davits, an excited sailor working to start its engine, even as it was lowered.