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6. Handling material in machine construction is one of the principal expenses to be dealt with; each time a piece is moved its cost is enhanced, and usually in a much greater degree than is supposed.

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This reaction had begun to make itself felt long before the birth of a philosophical literature in the Latin language. It may be traced to the time when the lecture-halls at Athens were first visited by Roman students, and Greek professors first received on terms of intimate companionship into the houses of Roman nobles. In each instance, but more especially in the latter, not only would the pupil imbibe new ideas from the master, but the master would suit his teaching to the tastes and capacities of the pupil. The result would be an intellectual condition somewhat resembling that which attended the popularisation of philosophy in Athens during the latter half of the fifth century B.C.; and all the more so as speculation had already spontaneously reverted to the Sophistic standpoint. The parallel will be still more complete if we take the word Sophist in its original and comprehensive sense. We may then say that while Carneades, with his entrancing eloquence and his readiness to argue both sides167 of a question, was the Protagoras of the new movement; Panaetius, the dignified rationalist and honoured friend of Laelius and the younger Scipio, its Prodicus; and Posidonius, the astronomer and encyclopaedic scholar, its Hippias, Phaedrus the Epicurean was its Anaxagoras or Democritus.
TWO:Youve twisted things that happened to fit what you wanted to believe, argued Larry.If our critic found so little to admire in Hellas, still less did he seek for the realisation of his dreams in the outlying world. The lessons of Protagoras had not been wasted on him, and, unlike the nature-worshippers of the eighteenth century, he never fell into the delusion that wisdom and virtue had their home in primaeval forests or in corrupt Oriental despotisms. For him, Greek civilisation, with all its faults, was the best thing that human nature had produced, the only hearth of intellectual culture, the only soil where new experiments in education and government could be tried. He could go down to the roots of thought, of language, and of society; he could construct a new style, a new system, and a new polity, from the foundation up; he could grasp all the tendencies that came under his immediate observation, and follow them out to their utmost possibilities of expansion; but his vast powers of analysis and generalisation remained subject to this restriction, that a Hellene he was and a Hellene he remained to the end.

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THREE:It began to dawn upon Ren that the speaker was right. But he had another weapon still up his sleeves. His vengeance was not boiling within him as it had been, the red light no longer danced before his eyes.All the same, Hetty decided to speak of her discovery to Lawrence. He was busy at his desk when she returned. He looked up quickly, for there was an expression on Hetty's face that told of some discovery.
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THREE:4. The cost of construction and durability.Marine and railway engineering have engrossed the best talent in the world; investigation and research has been expended upon these subjects in a degree commensurate with their importance, and it would be hard to suggest a single want in the many able text-books that have been prepared upon the subjects. Marine and railway engineering are sciences that may, in a sense, be separated from the ordinary constructive arts, and studied at the end of a course in mechanical engineering, but are hardly [61] proper subjects for an apprentice to take up at the beginning. Lorem ipsum dolor sit amet, consectetur adipisicing elit.
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FORE:A little farther away they were still busy with Lierce, but excepting these four, all the forts were now taken by the Germans. I stood there for a moment, gazing at these cannon, the presence of which was clearly unknown to the Belgians, for their artillery took no notice of them. Only the day before these guns had started shelling the forts, and on the evening of August 15th they had silenced two of them; but Loncin kept up the fight.There was the man who twice within the last hour had been in danger of his life chatting quietly with the man who had robbed him. The two were evidently on the best of terms, for Maitrank was laughing heartily, and Balmayne stood opposite smoking a cigarette like a host who speeds a parting guest.
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FORE:Balmayne sat there without a word. He had no feeling, no sense of shame.(1.) Why does machinery involve so many cylindrical forms?(2.) Why is it desirable to have separate feed gear for turning and screw cutting?(3.) What is gained by the frictional starting gearing now applied to the finer class of lathes?(4.) How may the alignment of a lathe be tested?(5.) What kind of deviation with a lathe carriage will most affect the truth of work performed?(6.) How may an oval hole be bored on a common slide lathe?(7.) How can the angular [128] ways of a lathe and the corresponding grooves in a carriage be planed to fit without employing gauges?(8.) Give the number of teeth in two wheels to cut a screw of ten threads, when a leading screw is four threads per inch?
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FORE:Already Larry had his coat and shoes off. Stripping them off, and with no one to observe, removing all his clothes, he lowered himself onto a pontoon and thence to the water, chilly but not too cold on the hot June afternoon.
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FORE:"Look to yourself," Leona cried, "they are here. There is a ladder in the garden that leads out to the roof. Never mind me."

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Balmayne gave a shudder. Even he recoiled."Ren Lalage. As you are interested, and as you came here to assist me, madame, I don't mind going so far as to show you the picture. It came from a weekly paper----"It will be well for an apprentice to begin at once, as soon as he commences a shop course, to note the manner of handling material, watching the operation of cranes, hoists, trucks, tackle, rollers; in short, everything that has to do with moving and handling. The machinery and appliances in ordinary use are simple enough in a mechanical sense, but the principles of handling material are by no means as plain or easy to understand. The diversity of practice seen in various plans of handling and lifting weights fully attests the last proposition, and it is questionable whether there is any other branch of mechanical engineering that is treated less in a scientific way than machinery of this class. I do not allude to the mechanism of cranes and other devices, which are usually well proportioned and generally well arranged, but to the adaptation of such machinery with reference to special or local conditions. There are certain inherent difficulties that have to be encountered in the construction and operation of machinery, for lifting and handling, that are peculiar to it as a class; among these difficulties is the transmission of power to movable mechanism, the intermittent and irregular application of power, severe strains, also the liability to accidents and breakage from such machinery being controlled by the judgment of attendants.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.
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