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Assuming, for example, that a machine will cost as much as the wages of an attendant for one year, which is not far from an average estimate for iron working machine tools, and that interest, wear, and repairs amount to ten per cent. on this sum, then the attendance would cost ten times as much as the machine; in other words, the wages paid to a workman to attend a machine is, on an average, ten times as much as the other expenses attending its operation, power excepted. This assumed, it follows that in machine tools any improvement directed to labour saving is worth ten times as much as an equal improvement directed to the economy of first cost.

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Of course the police knew nothing. Sarcastic remarks were made at their expense. Other papers hinted at startling disclosures to be made at the adjourned inquest. There were many startling rumours contradicted as soon as they were made.
  • ONE:Another science which has only been cultivated on a large scale within comparatively recent years has confirmed the views suggested by jurisprudence. An enormous mass of inscriptions has been brought to light, deciphered, collated, and made available by transcription for the purposes of sedentary scholars. With the help of these records, fragmentary though they be, we have obtained an insight into the sentiments, beliefs, and social institutions of Pagan antiquity as it was just before the conversion of the Roman world to Christianity, such as literature alone could not supply. Literature and history, too, have told a somewhat different story when read over again in the light of these new discoveries. Finally, the whole mine of materials, new and old, has been worked by a class of enquirers who bring to their task qualities nearly unknown among the scholars of a former generation. These men are familiar with an immense range of studies lying outside their special subject, but often capable of affording it unexpected illustrations; they are free from theological prejudices; they are sometimes versed in the practical conduct of state affairs; and habits of wide social intercourse have emancipated them from the narrowing associations incident to a learned profession. TWO:Every one remembers the classification of water-wheels met with in the older school-books on natural philosophy, where we are informed that there are three kinds of wheels, as there were "three kinds of levers"namely, overshot, undershot, and breast wheelswith a brief notice of Barker's mill, which ran apparently without any sufficient cause for doing so. Without finding fault with the plan of describing water-power commonly adopted in elementary books, farther than to say that some explanation of the principles by which power is derived from the water would have been more useful, I will venture upon a different classification of water-wheels, more in accord with modern practice, but without reference to the special mechanism of the different wheels, except when unavoidable. Water-wheels can be divided into four general types.

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  • ONE:The man who jumped with the parachute and life preserver must be named Gastonfrom what the pilot said to you, Larry, he went on. TWO:Let us now see how he carries this passionate enthusiasm for knowledge into the humblest researches of zoology:

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  • ONE:"I shall find some way out of it," she said. "Now go back to your work. Courage, dearest." TWO:

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  • ONE: TWO:Thus, while the atomic theory enables Lucretius to account for the dependent and perishable nature of life, the same theory enables him to bring out by contrast its positive and distinguishing characteristics. The bulk, the flexibility, the complexity, and the sensibility of animal bodies are opposed to the extreme minuteness, the absolute hardness, the simplicity, and the unconsciousness of the primordial substances which build them up.Yet, however much may be accounted for by these considerations, they still leave something unexplained. Why should one thinker after another so unhesitatingly assume that the order of Nature as we know it has issued not merely from a different but from an exactly opposite condition, from universal confusion and chaos? Their experience was far too limited to tell them anything about those vast cosmic changes which we know by incontrovertible evidence to have already occurred, and to be again in course of preparation. We can only answer this question by bringing into view what may be called the negative moment of Greek thought. The science of contraries is one, says Aristotle, and it certainly was so to his countrymen. Not only did they delight51 to bring together the extremes of weal and woe, of pride and abasement, of security and disaster, but whatever they most loved and clung to in reality seemed to interest their imagination most powerfully by its removal, its reversal, or its overthrow. The Athenians were peculiarly intolerant of regal government and of feminine interference in politics. In Athenian tragedy the principal actors are kings and royal ladies. The Athenian matrons occupied a position of exceptional dignity and seclusion. They are brought upon the comic stage to be covered with the coarsest ridicule, and also to interfere decisively in the conduct of public affairs. Aristophanes was profoundly religious himself, and wrote for a people whose religion, as we have seen, was pushed to the extreme of bigotry. Yet he shows as little respect for the gods as for the wives and sisters of his audience. To take a more general example still, the whole Greek tragic drama is based on the idea of family kinship, and that institution was made most interesting to Greek spectators by the violation of its eternal sanctities, by unnatural hatred, and still more unnatural love; or by a fatal misconception which causes the hands of innocent persons, more especially of tender women, to be armed against their nearest and dearest relatives in utter unconsciousness of the awful guilt about to be incurred. By an extension of the same psychological law to abstract speculation we are enabled to understand how an early Greek philosopher who had come to look on Nature as a cosmos, an orderly whole, consisting of diverse but connected and interdependent parts, could not properly grasp such a conception until he had substituted for it one of a precisely opposite character, out of which he reconstructed it by a process of gradual evolution. And if it is asked how in the first place did he come by the idea of a cosmos, our answer must be that he found it in Greek life, in societies distinguished by a many-sided but harmonious development of concurrent functions, and by52 voluntary obedience to an impersonal law. Thus, then, the circle is complete; we have returned to our point of departure, and again recognise in Greek philosophy a systematised expression of the Greek national genius.

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  • ONE:By examining the subject of applied mechanics and shop manipulation, a learner may see that the knowledge to be acquired by apprentices can be divided into two departments, that may be called general and special. General knowledge relating to tools, processes and operations, so far as their construction and action may be understood from general principles, and without special or experimental instruction. Special knowledge is that which [7] is based upon experiment, and can only be acquired by special, as distinguished from general sources. TWO:

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THREE:The final defeat of polytheism proved, in some respects, an advantage to Neo-Platonism, by compelling it to exchange theological controversy for studies which could be prosecuted, at least for a time, without giving umbrage to the dominant religion. At Alexandria the new spiritualism was associated, on genuinely Platonic principles, with the teaching of geometry by the noble and ill-fated Hypatia. In all the Neo-Platonic schools, whether at Rome, at Alexandria, at Constantinople, or at Athens, the writings of Plato and Aristotle were attentively studied, and made the subject of numerous commentaries, many of which are still extant. This return to the two great masters of idealism was, as we have already said, the most valuable result of the metaphysical revival, and probably contributed more than any other cause to the preservation of their works amidst the general wreck of ancient philosophical literature. Finally, efforts were made to present the doctrine of Plotinus under a more popular or a more scientific form, and to develope it into systematic completeness.
THREE:Prout replied that for the present there was no accusation.

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THREE:"It isn't a puncture at all," Balmayne snarled, "at least not an accidental one. Some mischievous fiend must have passed down the lane just now and done this for pure wickedness. There are two long slashes in the tyres."

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THREE:"Of course, of course," Leona murmured with her hand to her head. "My mind has not been quite so clear for the last few days. Go on.""Well, there is a huge fire yonder; everything is burning!"

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THREE:She waited just for a moment in eager expectation. There was the form again, and then the spurt and flare of gas. What would anybody want gas for at this time of the day? The question was answered immediately, for a hand went over the gas flame holding something that looked like a kettle to the flame. Then the hand disappeared and nothing more was to be seen, despite Hetty's patience.

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FORE:The thorough-going condemnation of passion was explained away to a certain extent by allowing the sage himself to feel a slight touch of the feelings which fail to shake his determination, like a scar remaining after the wound is healed; and by admitting the desirability of sundry emotions, which, though carefully distinguished from the passions, seem to have differed from them in degree rather than in kind.5956
FORE:"But stranger still to say, the live heroine, yourself, is more deeply interested than I imagined. We will say that she did a foolish thing. She fell in love with one of her own guests--Dr. Bruce, to be plain."Get that collapsible boat on the back of the tank, there! urged Jeff, and come back for me.
FORE:The game of shooting and looting went on all through the night of the 20th. Not a window or door remained whole even if the house was not burned down altogether.Still more important than these observations themselves is the great truth he derives from themsince rediscovered and worked out in detail by Von Baerthat in the development of each individual the generic characters make their appearance before the specific characters.211 Nor is this a mere accidental or isolated remark, but, as we shall show in the next chapter, intimately connected with one of the philosophers metaphysical theories. Although not an evolutionist, he has made other contributions to biology, the importance of which has been first realised in the light of the evolution theory. Thus he notices the antagonism between individuation and reproduction;212 the connexion of increased size with increased vitality;213 the connexion of greater mobility,214 and of greater intelligence,215 with increased complexity of structure; the physiological division of labour in the higher animals;216 the formation of heterogeneous organs out of homogeneous tissues;217 the tendency towards greater centralisation in the higher organisms218a remark connected with his two great anatomical discoveries, the central position of the heart in the vascular system, and the possession of a backbone by all red-blooded animals;219 the resemblance of animal intelligence to a rudimentary human intelligence, especially as manifested in children;220 and, finally, he attempts to trace a continuous series of gradations connecting the inorganic with the organic world, plants with animals, and the lower animals with man.221
FORE:"A number of men and women had been locked in the yard of the prison.... At six o'clock in the evening a mitrailleuse was placed on the mountain and fired at them, an old woman and three others being killed.
FORE:Lawrence flicked the ash from his cigarette.
FORE:A cubic inch of water, by taking up a given amount of heat, is expanded to more than five hundred cubic inches of steam, at a pressure of forty-five pounds to the square inch. This extraordinary expansion, if performed in a close vessel, would exert a power five hundred times as great as would be required to force the same quantity of water into the vessel against this expansive pressure; in other words, the volume of the water when put into the vessel would be but one five-hundredth part of its volume when it is allowed to escape, and this expansion, when confined in a steam-boiler, exerts the force that is called steam-power. This force or power is, through the means of the engine and its details, communicated and applied to different kinds of work where force and movement are required. The water [33] employed to generate steam, like the engine and the boiler, is merely an agent through which the energy of heat is applied.62
FORE:"And what do you want for this?" he asked.
FORE:IV.
FORE:But, towards the close of the sixteenth century, the time for amassing observations was past, no further progress being possible until the observations already recorded were interpreted aright. The just instinct of science perceived this; and for nearly a century after Cesalpino no addition of any magnitude was made to what Bacon called History, while mens conceptions of natural law were undergoing a radical transformation.544 To choose such a time for developing the Aristotelian philosophy was peculiarly unfortunate; for that philosophy had become, both on its good and on its bad side, an obstacle to progress, by encouraging studies which were not wanted, and by fostering a spirit of opposition to the Copernican astronomy.

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We now enter on the last period of purely objective philosophy, an age of mediating and reconciling, but still profoundly original speculation. Its principal representatives, with whom alone we have to deal, are Empedocles, the Atomists, Leucippus and Democritus, and Anaxagoras. There is considerable doubt and difficulty respecting the order in which they should be placed. Anaxagoras was unquestionably the oldest and Democritus the youngest of the four, the difference between their ages being forty years. It is also nearly certain that the Atomists came after Empedocles. But if we take a celebrated expression of Aristotles21 literally (as there is no reason why it should not be taken),27 Anaxagoras, although born before Empedocles, published his views at a later period. Was he also anticipated by Leucippus? We cannot tell with certainty, but it seems likely from a comparison of their doctrines that he was; and in all cases the man who naturalised philosophy in Athens, and who by his theory of a creative reason furnishes a transition to the age of subjective speculation, will be most conveniently placed at the close of the pre-Socratic period.They sped on again, finding the avenues of escape gradually closing in. Day and night there are always people in the London streets, and the news was flying far that murder had been committed, and that the culprits were escaping in a fast motor. By an extra spurt of speed a rope drawn across the roadway near the avenue was just escaped. A yell of execration followed from the crowd.Yes. Lots of pilots arethey think an accident will happen if anybody wears flowers in their planesFounding and casting relate to forming parts of machinery by pouring melted metal into moulds, the force of gravity alone being sufficient to press or shape it into even complicated forms. As a process for shaping such metal as is not injured by the high degree of heat required in melting, moulding is the cheapest and most expeditious of all means, even for forms of regular outline, while the importance of moulding in producing irregular forms is such that without this process the whole system of machine construction would have to be changed. Founding operations are divided into two classes, known technically as green sand moulding, and loam or dry sand moulding; the first, when patterns or duplicates are used to form the moulds, and the second, when the moulds are built by hand without the aid of complete patterns. Founding involves a knowledge of mixing and melting metals such as are used in machine construction, the preparing and setting of cores for the internal displacement of the metal, cooling and shrinking strains, chills, and many other things that are more or less special, and can only be learned and understood from actual observation and practice.
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