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Irregularity of cooling may be the result of unequal conducting power in different parts of a mould or cores, or it may be [98] from the varying dimensions of the castings, which contain heat as their thickness, and give it off in the same ratio. As a rule, the drag or bottom side of a casting cools first, especially if a mould rests on the ground, and there is not much sand between the castings and the earth; this is a common cause of unequal cooling, especially in large flat pieces. Air being a bad conductor of heat, and the sand usually thin on the cope or top side, the result is that the top of moulds remain quite hot, while at the bottom the earth, being a good conductor, carries off the heat and cools that side first, so that the iron 'sets' first on the bottom, afterwards cooling and contracting on the top, so that castings are warped and left with inherent strains.

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"7. Who neglect necessary precautions which ought to be taken on behalf of the army."Where are the diamonds?" he asked. "Tell me that, rascal!"
ONE:While Sandy watched the amphibian and Dick stared at the rapidly approaching sea plane, Larry gazed at the swift hydroplane and noted the feverish attempt on the yacht to get its tender going as it struck the surging water.Attention has been called to this case as one wherein the conditions of operation obviously furnish true data to govern the arrangement of machinery, instead of the determinable strains to which the parts are subjected, and as a good example of the importance of studying mechanical conditions from a practical and experimental point of view. If the general diameter of a shaft is based upon the exact amount of power to be transmitted, or if the diameter of a shaft at various parts is based upon the torsional stress that would be sustained at these points, such a shaft would not only fail to meet the conditions of practical use, but would cost more by attempting such an adaptation. The regular working strain to which shafts are subjected is inversely as the speed at which they run. This becomes a strong reason in favour of arranging shafts to run at a maximum speed, provided there was nothing more than first cost to consider; but there are other and more important conditions to be taken into account, principal among which are the required rate of movement where power is taken off to machines, and the endurance of bearings.
THREE:The radical selfishness of Epicureanism comes out still more distinctly in its attitude towards political activity. Not only does it systematically discourage mere personal ambition73the desire of possessing political power for the furtherance of ones own endsbut it passes a like condemnation on disinterested efforts to improve the condition of the people by legislation; while the general rule laid down for the wise man in his capacity of citizen is passive obedience to the established authorities, to be departed from only when the exigencies of self-defence require it. On this Mr. Wallace observes that political life, which in all ages has been impossible for those who had not wealth, and who were unwilling to mix themselves with vile and impure associates, was not to the mind of Epicurus.148 No authority is quoted to prove that the abstention recommended by Epicurus was dictated by purist sentiments of any kind; nor can we readily admit that it is impossible to record a vote, to canvass at an election, or even to address a public meeting, without fulfilling one or other of the conditions specified by Mr. Wallace; and we know by the example of Littr that it is possible for a poor man to take a rather prominent part in public life, without the slightest sacrifice of personal dignity.149 It must also be remembered that Epicurus was not speaking for himself alone; he was giving practical advice to all whom it might concernadvice of which he thought, aeque pauperibus prodest, locupletibus aeque; so that when Mr. Wallace adds that, above all, it is not the business of a philosopher to become a political partisan, and spend his life in an atmosphere of avaricious and malignant passions,150 we must observe that Epicureanism was not designed to make philosophers, but perfect men. The real question is whether it would serve the public interest were all who endeavour to shape their lives by the precepts of philosophy to withdraw themselves74 entirely from participation in the affairs of their country. And, having regard to the general character of the system now under consideration, we may not uncharitably surmise that the motive for abstention which it supplied was selfish love of ease far more than unwillingness to be mixed up with the dirty work of politics.
THREE:Hear, mother, undisguised my whole resolve!
THREE:"It can't be as bad as my news," Leona said, gloomily. "They have traced the rest of the missing notes directly to my possession."
TWO:There was only one that he cared to see, and that was Hetty. In a curious way the girl's goodness and purity appealed strongly to him. As to his future he cared nothing. He wanted to know if anything had been seen of Leona Lalage, and when Hetty replied to the contrary he seemed to be greatly astonished.

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TWO:Subject to the constraint of mighty laws;

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THREE:CHAPTER VII. THE SYSTEMATIC PHILOSOPHY OF ARISTOTLE.
THREE:"Oh, can't it? It only wants Garrett Charlton to turn up now. We must get those notes from Isidore at any hazard. They will remain in his possession--in fact, he told me tonight that he had them. He said----"
THREE:
THREE:"What can it all mean?" she whispered.
THREE:The inhabitants had already had a variety of experiences. On Tuesday, August 4th, the first German troops arrived before the little town. The gendarmes stationed there offered resistance to the invading enemy, but, being hopelessly outnumbered, they were all shot down. As they were lying on the ground, badly wounded, Dr. Frits Goffin, head of St. Hadelin College, came in great haste as soon as he heard the shooting.
THREE:No one will deny that the life of the Greeks was stained with foul vices, and that their theory sometimes fell to the level of their practice. No one who believes that moral truth, like all truth, has been gradually discovered, will wonder at this phenomenon. If moral conduct is a function of social life, then, like other functions, it will be subject, not only to growth, but also to disease and decay. An intense and rapid intellectual development may have for its condition a totally abnormal state of society, where certain vices, unknown to ruder ages, spring up and flourish with rank luxuriance. When men have to take women along with them on every new path of enquiry, progress will be considerably retarded, although its benefits will ultimately be shared among a greater number, and will be better insured against the danger of a violent reaction. But the work that Hellas was commissioned to perform could not wait; it had to be accomplished in a few generations, or not at all. The barbarians were forcing their way in on every side, not merely with the weight of invading armies, but with the deadlier pressure of a benumbing superstition, with the brute-worship of Egypt and the devil-worship of Phoenicia, with57 their delirious orgies, their mutilations, their crucifixions, and their gladiatorial contests. Already in the later dramas of Euripides and in the Rhodian school of sculpture, we see the awful shadow coming nearer, and feel the poisonous breath of Asia on our faces. Reason, the reason by which these terrors have been for ever exorcised, could only arrive at maturity under the influence of free and uninterrupted discussion carried on by men among themselves in the gymnasium, the agora, the ecclsia, and the dicastery. The resulting and inevitable separation of the sexes bred frightful disorders, which through all changes of creed have clung like a moral pestilence to the shores of the Aegean, and have helped to complicate political problems by joining to religious hatred the fiercer animosity of physical disgust. But whatever were the corruptions of Greek sentiment, Greek philosophy had the power to purge them away. Follow nature became the watchword of one school after another; and a precept which at first may have meant only that man should not fall below the brutes, was finally so interpreted as to imply an absolute control of sense by reason. No loftier standard of sexual purity has ever been inculcated than that fixed by Plato in his latest work, the Laws. Isocrates bids husbands set an example of conjugal fidelity to their wives. Socrates had already declared that virtue was the same for both sexes. Xenophon interests himself in the education of women. Plato would give them the same training, and everywhere associate them in the same functions with men. Equally decisive evidence of a theoretical opposition to slavery is not forthcoming, and we know that it was unfortunately sanctioned by Plato and Aristotle, in this respect no better inspired than the early Christians; nevertheless, the germ of such an opposition existed, and will hereafter be pointed out.

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Well, his credit was good. If he could lay his hands upon a hundred or two now, he would begin to furnish the house in Green Street at once. Then when the season was over he and Hetty could be married. Yes, on the whole Gordon Bruce's cigarette just then was an enchanting one."Some mistake," said Bruce. "I certainly paid forty five-pound notes here the day after the murder, but they came into my possession the night before. If those are the notes you say they are I never touched them."In one corner was an oblong table, surrounded by an eager, silent group. A bald-headed man with a matted black beard and a great curved nose was taking the place of banker. The great financier Isaac Isidore was as keen over the banknotes here as he was over the millions he gambled in the city.
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