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The division of labour, that system upon which we may say our great industrial interests are founded, is in machine fitting promoted in a wonderful degree by the use of gauging implements. If standard dimensions can be maintained, it is easy to see that the parts of a machine can be constructed by different workmen, or in different shops, and these parts when assembled all fit together, without that tedious and uncertain plan of try-fitting which was once generally practised. There are, it is true, certain kinds of fitting which cannot well be performed by gauges; moving flat surfaces, such as the bearings of lathe slides or the faces of steam engine valves, are sooner and better fitted by trying them together and scraping off the points of contact; but even in such cases the character of the work will be improved, if one or both surfaces have been first levelled by gauging or surface plates.

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The extreme nicety with which gauging implements are fitted seems at first thought to be unnecessary, but it must be remembered that a cylindrical joint in ordinary machine fitting involves a precision almost beyond the sense of feeling, and that any sensible variation in turning gauges is enough to spoil a fit.CHAPTER XLVI. HETTY LEARNS SOMETHING.Ill bet there is! Sandy said to himself.
  • THREE:"We heard afterwards that she had gone through a form of marriage with a great nobleman, and that she was living in much splendour in England. But we know better. Leon and I had spent our little fortune long ago and sold the farm. After that we had to live by our wits, as you are aware, Signor Prout.

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  • THREE:"Here is the latchkey," he said. "There are several of them. There is no caretaker in the place as yet. Go in, you have no further need of me."

    But this denouncing pleasure and praising

  • THREE:The bridge-command at the pontoon-bridge near Lixhe allowed me to cross, after requesting me very pressingly to make very clear what swine these Belgians were, who fired so treacherously at unsuspecting soldiers, put out the eyes of the wounded, cut off their hands and genitals. When I asked where all these things had happened, the answer was: "Everywhere!" Of course, I promised them to do everything they wanted.I did not answer. I could not. Silently I looked a little longer at the beastly scene, only sorry that I was not a giant who, with one strong hand, might restrain the roughs, and refresh with the other the burning, feverish lips of the wretched men.

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THREE:And over these nervous and terrified thousands at Maastricht rolled from afar the dull roar of the guns, thunder-like bursts from which had frightened them so terribly.The Cyrenaic school ended, curiously enough, in pessimism. The doctrine that pleasure is the only good, and the doctrine that life yields a preponderance of painful over pleasurable feelings, are severally compatible with a preference of existence to non-existence; when united, as they were by Hgsias, a Cyrenaic professor, they logically lead to suicide; and we are told that the public authorities of Alexandria were obliged to order the discontinuance of his lectures, so great was their effect in promoting self-destruction.124
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THREE:As soon as the Reverend Head, Dr. Frits Goffin, saw me he burst out sobbing, and, taking me by the hand, speechless, he pressed it a long time. I myself also was quite dumb. At length he muttered:

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THREE:The term gearing, which was once applied to wheels, shafts, and the general mechanism of mills and factories, has now in common use become restricted to tooth wheels, and is in this sense employed here. Gearing as a means of transmitting motion is employed when the movement of machines, or the parts of machines, must remain relatively the same, as in the case of the traversing screw of an engine lathewhen a heavy force is transmitted between shafts that are near to each other, or when shafts to be connected are arranged at angles with each other. This rule is of course not constant, except as to cases where positive relative motion has to be maintained. Noise, and the liability to sudden obstruction, may be reasons for not employing tooth wheels in many cases when the distance between and the position of shafts would render such a connection the most durable and cheap. Gearing under ordinary strain, within limited speed, and when other conditions admit of its use, is the cheapest and most durable mechanism for transmitting power; but the amount of gearing employed in machinery, especially in Europe, is no doubt far greater than it will be in future, when belts are better understood.Power derived from water by means of wheels is due to the gravity of the water in descending from a higher to a lower level; but the question arises, What has heat to do with this? If heat is the source of power, and power a product of heat, there must be a connection somewhere between heat and the descent of the water. Water, in descending from one level to another, can give out no more power than was consumed in raising it to the higher level, and this power employed to raise the water is found to be heat. Water is evaporated by heat of the sun, expanded until it is lighter than the atmosphere, rises through the air, and by condensation falls in the form of rain over the earth's surface; then drains into the ocean through streams and rivers, to again resume its round by another course of evaporation, giving out in its descent power that we turn to useful account by means of water-wheels. This principle of evaporation is continually going on; the fall of rain is likewise quite constant, so that streams are maintained within a sufficient regularity to be available for operating machinery.

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THREE:

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THREE:the race of men deliver!"It will not be for long, dearest," he whispered. "Courage, darling."

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FORE:5. As the strength of shafts is determined by their size, and their size fixed by the strains to which they are subjected, [45] strains are first to be considered.

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FORE:4. Mechanical drawings should be made with reference to all the processes that are required in the construction of the work, and the drawings should be responsible, not only for dimensions, but for unnecessary expense in fitting, forging, pattern-making, moulding, and so on.

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FORE:

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FORE:If the soul served to connect the eternal realities with the fleeting appearances by which they were at once darkened, relieved, and shadowed forth, it was also a bond of union between the speculative and the practical philosophy of Plato; and in discussing his psychology we have already passed from the one to the other. The transition will become still easier if we remember that the question, What is knowledge? was, according to our view, originally suggested by a theory reducing ethical science to a hedonistic calculus, and that along with it would arise another question, What is pleasure? This latter enquiry, though incidentally touched on elsewhere, is not fully dealt with in any Dialogue except the Philbus, which we agree with Prof. Jowett in referring to a very late period of Platonic authorship. But the line of argument which it pursues had probably been long familiar to our philosopher. At any rate, the Phaedo, the Republic, and perhaps the Gorgias, assume, as already proved, that pleasure is not the highest good. The question is one on which thinkers are still divided. It seems, indeed, to lie outside the range of reason, and the disputants are accordingly obliged to invoke the authority either of individual consciousness or of common consent on behalf of their respective opinions. We have, however, got so far beyond the ancients that the doctrine of egoistic hedonism has been abandoned by almost everybody. The substitution of anothers pleasure for our own as the object of pursuit was not a conception which presented itself to any Greek moralist,226 although the principle of self-sacrifice was maintained by some of them, and especially by Plato, to its fullest extent. Pleasure-seeking being inseparably associated with selfishness, the latter was best attacked through the former, and if Platos logic does not commend itself to our understanding, we must admit that it was employed in defence of a noble cause.

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    FORE:Do you really believe anybody can be as superstitious as Jeff tries to make us believe he is?
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    FORE:Such a system was likely to result, and before long actually did result, in the realisation of the Logos on earth, in the creation of an inspired and infallible Church, mediating between God and man; while it gave increased authority and expansive power to another superstition which already existed in Philos time, and of which his Logos doctrine was perhaps only the metaphysical sublimation,the superstition that the divine Word has been given to mankind under the form of an infallible book. From another point of view, we may discern a certain connexion between the idea that God would be defiled by any immediate contact with the material world, and the Sabbatarianism which was so rife among Gentiles as well as among Jews at that period. For such a theory of the divine character readily associates itself with the notion that holiness excludes not only material industry but any interest the scope of which is limited to our present life.CHAPTER XXVIII. TEMPERING STEEL.
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    FORE:"I said nothing--for my dear wife's sake I was silent. You see I could prove nothing. No jury would have got anything out of the fiend who brought this about. The letter I carefully concealed. I took the risk of hanging, and as people blamed me my wife's good name was saved."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.
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    FORE:Details and sketches, when made on a separate sheet, should be to a larger scale than elevations. By changing from one scale to another the mind is schooled in proportion, and the conception of sizes and dimensions is more apt to follow the finished work to which the drawings relate.We have said that the founder of Neo-Platonism contrived to blend the systems of his two great authorities in such a manner as to eliminate much of the relative truth which is contained in each of them taken by itself. It has been reserved for modern thought to accomplish the profounder synthesis which has eliminated their errors in combining their truths. Yet, perhaps, no other system would have satisfied the want of the time so well as that constructed by Plotinus out of the materials at his disposal. Such as it was, that system held its ground as the reigning philosophy until all independent thinking was suppressed by Justinian, somewhat more than two and a half centuries after its authors death. Even then it did not become extinct, but reappeared in Christian literature, in the writings attributed to Dionysius the Areopagite, and again in the daring speculations of Erigena, the father of mediaeval philosophy, to pass under more diluted forms into the teaching of the later Schoolmen, until the time arrived for its renewed study in the original sources as an element of the Platonic revival in the fifteenth century. All this popularity proves, as we say, that Plotinus suited his own age and other ages which reproduced the same general intellectual tendencies. But the important thing was that he made Plato and Aristotle more interesting, and thus led men to study their writings more eagerly than before. The true reign of those philosophers does not begin until we reach the Middle Ages, and the commanding position which they then enjoyed was due, in great measure, to the revolution effected by Plotinus.
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    FORE:"Give me carte blanche and I will put that right for you. I bear no malice. Reverse the positions and I shall do my best to put you out of the way. But I am not going back there any more."Lawrence laughed silently. He seemed to be intensely amused about something. He took a flat brown paper parcel from his pocket.

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Their pilot was skillful at coursing in such a direction and at such a height that he could skim low over the water crafts radio mast and come almost to stalling speed while Sandy cast the note overside."On the whole you are doing her no more than justice," said Lawrence. "Still, we do know where she is now, and I am going to see her. If she falls into the hands of Prout now, we shall never get her to speak, and therefore we shall have no end of trouble to clear Bruce's name as it should be cleared. I'll just run round and get Charlton to accompany me. And then for a thrilling interview."
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