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To avoid imperfection in the running spindles of lathes, or any lateral movement which might exist in the running bearings, there have been many attempts to construct lathes with still centres at both ends for the more accurate kinds of work. Such an arrangement would produce a true cylindrical rotation, but must at the same time involve mechanical complication to outweigh the object gained. It has besides been proved by practice that good fitting and good material for the bearings and spindles of lathes will insure all the accuracy which ordinary work demands.

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"The Countess again," he murmured. "She's in this, as I thought. And so she is still in London, after all. How interested Prout will be!"Balmayne sat there without a word. He had no feeling, no sense of shame.CHAPTER II GHOSTS, GUMAND GEMS
ONE:"I have been in every room," she said. "There is positively nobody there. I shall have to send you away for a change of air. If you have no further dreams to tell me we had better go to bed."During the fights round the forts I made a good many tours and was able to contradict several German reports about alleged successes. The atrocities in the villages around Lige did not cease, and constantly fresh crowds of refugees came to Maastricht. FORE:Tools should never be tempered by immersing their edges or cutting parts in the bath, and then allowing the heat to "run down" to attain a proper temper at the edge. I am well aware that this is attacking a general custom, but it is none the less wrong for that reason. Tools so hardened have a gradually diminishing temper from their point or edge, so that no part is properly tempered, and they require continual re-hardening, which spoils the steel; besides, the extreme edge, the only part which is tempered to a proper shade, is usually spoiled by heating and must be ground away to begin with. No latheman who has once had a set of tools tempered throughout by slow drawing, either in an oven, or on a hot plate, will ever consent to point hardening afterwards. A plate of iron, two to two and one-half inches thick, placed over the top of a tool dressing fire, makes a convenient arrangement for tempering tools, besides adding greatly to the convenience of slow heating, which is almost as important as slow drawing. The writer has by actual experiment determined that the amount of tool dressing [117] and tempering, to say nothing of time wasted in grinding tools, may in ordinary machine fitting be reduced one-third by "oven tempering." FORE:Captain Parks came up later with the real stones and while he waited for my wife to finish her costume, he examined the fire escape window and was sure that someone had entered and left by that.
THREE:So far, we have spoken as if the Socratic definitions were merely verbal; they were, however, a great deal more, and their author did not accurately discriminate between what at that stage of thought could not well be kept apartexplanations of words, practical reforms, and scientific generalisations. For example, in defining a ruler to be one who knew more than other men, he was departing from the common usages of language, and showing not what was, but what ought to be true.93 And in defining virtue as wisdom, he was putting forward a new theory of his own, instead of formulating the145 received connotation of a term. Still, after making every deduction, we cannot fail to perceive what an immense service was rendered to exact thought by introducing definitions of every kind into that department of enquiry where they were chiefly needed. We may observe also that a general law of Greek intelligence was here realising itself in a new direction. The need of accurate determination had always been felt, but hitherto it had worked under the more elementary forms of time, space, and causality, or, to employ the higher generalisation of modern psychology, under the form of contiguous association. The earlier cosmologies were all processes of circumscription; they were attempts to fix the limits of the universe, and, accordingly, that element which was supposed to surround the others was also conceived as their producing cause, or else (in the theory of Heracleitus) as typifying the rationale of their continuous transformation. For this reason Parmenides, when he identified existence with extension, found himself obliged to declare that extension was necessarily limited. Of all the physical thinkers, Anaxagoras, who immediately precedes Socrates, approaches, on the objective side, most nearly to his standpoint. For the governing Nous brings order out of chaos by segregating the confused elements, by separating the unlike and drawing the like together, which is precisely what definition does for our conceptions. Meanwhile Greek literature had been performing the same task in a more restricted province, first fixing events according to their geographical and historical positions, then assigning to each its proper cause, then, as Thucydides does, isolating the most important groups of events from their external connexions, and analysing the causes of complex changes into different classes of antecedents. The final revolution effected by Socrates was to substitute arrangement by difference and resemblance for arrangement by contiguity in coexistence and succession. To say that by so doing he created science is inexact, for science requires to consider nature under every146 aspect, including those which he systematically neglected; but we may say that he introduced the method which is most particularly applicable to mental phenomena, the method of ideal analysis, classification, and reasoning. For, be it observed that Socrates did not limit himself to searching for the One in the Many, he also, and perhaps more habitually, sought for the Many in the One. He would take hold of a conception and analyse it into its various notes, laying them, as it were, piecemeal before his interlocutor for separate acceptance or rejection. If, for example, they could not agree about the relative merits of two citizens, Socrates would decompose the character of a good citizen into its component parts and bring the comparison down to them. A good citizen, he would say, increases the national resources by his administration of the finances, defeats the enemy abroad, wins allies by his diplomacy, appeases dissension by his eloquence at home.94 When the shy and gifted Charmides shrank from addressing a public audience on public questions, Socrates strove to overcome his nervousness by mercilessly subdividing the august Ecclsia into its constituent classes. Is it the fullers that you are afraid of? he asked, or the leather-cutters, or the masons, or the smiths, or the husbandmen, or the traders, or the lowest class of hucksters?95 Here the analytical power of Greek thought is manifested with still more searching effect than when it was applied to space and motion by Zeno.
THREE:I was sitting comfortably in the home circle of the editor of De Bilsenaar, with father, mother, and daughter. They had one son of eighteen, who was at the Junior Seminary at Hasselt, and only the first Sunday in August he had left for Heerenth in order to offer himself as a missionary aspirant. The next Wednesday the would-be missionary, an only son, enlisted as a volunteer in the Belgian army.... He was already the sixteenth of his form of twenty-three boys at the college at Hasselt.

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THREE:Now that he wastes his native land with war,Gordon Bruce was returning from an important consultation when he first heard the news. It was the sensation of the hour. Public attention in the Corner House mystery had never relaxed; on the flight of Countess Lalage it had doubled. Where had she gone, and what was the true solution of the mystery were the only questions asked.

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THREE:We have seen how Plotinus establishes the spiritualistic basis of his philosophy. We have now to see how he works out from it in all directions, developing the results of his previous enquiries into a complete metaphysical system. It will have been observed that the whole method of reasoning by302 which materialism was overthrown, rested on the antithesis between the unity of consciousness and the divisibility of corporeal substance. Very much the same method was afterwards employed by Cartesianism to demonstrate the same conclusion. But with Descartes and his followers, the opposition between soul and body was absolute, the former being defined as pure thought, the latter as pure extension. Hence the extreme difficulty which they experienced in accounting for the evident connexion between the two. The spiritualism of Plotinus did not involve any such impassable chasm between consciousness and its object. According to him, although the soul is contained in or depends on an absolutely self-identical unity, she is not herself that unity, but in some degree shares the characters of divisibility and extension.447 If we conceive all existence as bounded at either extremity by two principles, the one extended and the other inextended, then soul will still stand midway between them; not divided in herself, but divided in respect to the bodies which she animates. Plotinus holds that such an assumption is necessitated by the facts of sensation. A feeling of pain, for example, is located in a particular point of the body, and is, at the same time, apprehended as my feeling, not as some one elses. A similar synthesis obtains through the whole of Nature. The visible universe consists of many heterogeneous parts, held together by a single animating principle. And we can trace the same qualities and figures through a multitude of concrete individuals, their essential unity remaining unbroken, notwithstanding the dispersion of the objects in which they inhere.

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THREE:In the class of mechanical knowledge that has been defined as general, construction comes in the third place: first, machine functions; next, plans or adaptation of machines; and third, the manner of constructing machines. This should be the order of study pursued in learning mechanical manipulation. Instead of studying how drilling-machines, planing-machines or lathes are arranged, and next plans of constructing them, and then the principles of their operation, which is the usual course, the learner should reverse the order, studying, first, drilling, planing, and turning as operations; next, the adaptation of tools for the purposes; and third, plans of constructing such tools.
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    THREE:Two South-American boys, about twelve years old, had stayed on and heroically assisted the Head at his charitable work. Dr. Goffin was not allowed to take anybody with him except these two children in his search for the wounded, and to bury the dead. It is scarcely credible how courageously these boys of such tender age behaved. Later the83 Chilean ambassador made inquiries about them and asked for their portraits.

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    THREE:Thus Hetty out of doors and in the sunshine. She and Bruce had a thousand plans to make, a score of shops to look into. Their tastes were the same, and principally lay in the direction of the old and antique.To urge the necessity of learning practical fitting as a part of an engineering education is superfluous. A mechanical engineer who has not been "through the shop" can never expect to attain success, nor command the respect even of the most inferior workmen; without a power of influencing and controlling others, he is neither fitted to direct construction, nor to manage details of any kind connected with engineering industry. There is nothing that more provokes a feeling of resentment in the mind of a skilled man than to meet with those who have attempted to qualify themselves in the theoretical and commercial details of engineering work, and then assume to direct labour which they do not understand; nor is a skilled man long in detecting an engineer of this class; a dozen words in conversation upon any mechanical subject is generally enough to furnish a clue to the amount of practical knowledge possessed by the speaker.

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THREE:All these, however, are mere questions of detail. It is on a subject of the profoundest philosophical importance that Aristotle differs most consciously, most radically, and most fatally from his predecessors. They were evolutionists, and he was a stationarist. They were mechanicists, and he was a teleologist. They were uniformitarians, and he was a dualist. It is true that, as we mentioned at the beginning of this chapter, Mr. Edwin Wallace makes him recognise the genesis of things by evolution and development, but the meaning of this phrase requires to be cleared up. In one sense it is, of course, almost an identical proposition. The genesis of things must be by genesis of some kind or other. The great question is, what things have been evolved, and how have they been evolved? Modern science tells us, that not only have all particular aggregates of matter and motion now existing come into being within a finite period of time, but also that the specific types under which we arrange those aggregates have equally been generated; and that their characteristics, whether structural or functional, can only be understood by tracing out their origin and history. And it further teaches us that the properties of every aggregate result from the properties of its ultimate elements, which, within the limits of our experience, remain absolutely unchanged. Now, Aristotle taught very nearly the contrary of all this. He believed that the cosmos, as we now know it, had existed, and would continue to exist, unchanged through all eternity. The sun, moon, planets, and stars, together with the orbs containing them, are composed of an absolutely ungenerable, incorruptible substance. The earth, a cold, heavy, solid sphere, though liable to superficial changes, has always occupied its present position in the centre of the universe.317 The specific forms of animal lifeexcept a few which are produced spontaneouslyhave, in like manner, been preserved unaltered through an infinite series of generations. Man shares the common lot. There is no continuous progress of civilisation. Every invention and discovery has been made and lost an infinite number of times. Our philosopher could not, of course, deny that individual living things come into existence and gradually grow to maturity; but he insists that their formation is teleologically determined by the parental type which they are striving to realise. He asks whether we should study a thing by examining how it grows, or by examining its completed form: and Mr. Wallace quotes the question without quoting the answer.203 Aristotle tells us that the genetic method was followed by his predecessors, but that the other method is his. And he goes on to censure Empedocles for saying that many things in the animal body are due simply to mechanical causation; for example, the segmented structure of the backbone, which that philosopher attributes to continued doubling and twistingthe very same explanation, we believe, that would be given of it by a modern evolutionist.204 Finally, Aristotle assumes the only sort of transformation which we deny, and which Democritus equally deniedthat is to say, the transformation of the ultimate elements into one another by the oscillation of an indeterminate matter between opposite qualities.
FORE: FORE:Judged upon theoretical grounds, and leaving out the mechanical conditions of operation, it would at once be conceded that a proper plan would be to move the lightest body; that is, if the tools and their attachments were heavier than the material to be acted upon, then the material should be moved for the cutting action, and vice versa. But in practice there are other conditions to be considered more important than a question of the relative weight of reciprocating parts; and it must be remembered that in solving any problem pertaining to machine action, the conditions of operation are to be considered first and have precedence over problems of strain, arrangement, or even the general principles of construction; that is, the conditions of operating must form a base from which proportions, arrangements, and so on, must be deduced. A standard planing machine, such as is employed for most kinds of work, is arranged with a running platen or carriage upon which the material is fastened and traversed beneath the cutting tools. [130] The uniformity of arrangement and design in machines of this kind in all countries wherever they are made, must lead to the conclusion that there are substantial reasons for employing running platens instead of giving a cutting movement to the tools. FORE:I had more trouble with a wretch who, being heavily wounded in both legs, lay on the top of a dune beyond Mariakerke. He was quite alone, and when he discovered me his eyes glistened, full of hope. He told me of his agonies, and beseeched me to take him to a house or an ambulance. However much I should have liked to do that, it was impossible in the circumstances in which I found myself. Nowhere, even in the farthest distance, was a house to be seen, and I tried to explain the position to him. But he turned a deaf ear to all my exhortations, and insisted that I should help him. It was a painful business, for I could not do the impossible. So I promised him, and took my oath that I should warn the first ambulance I met, and see to it that they came and fetched him.
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What seems to us the reactionary attitude of the spiritu357alist school was dictated by the circumstances of its origin. A product of the great classical revival, its cause was necessarily linked with the civilisation of ancient Greece, and of that civilisation the worship of the old gods seemed to form an integral element. One need only think of the Italian Renaissance, with its predilection for the old mythology, to understand how much stronger and more passionate this feeling must have been among those to whom Greek literature still spoke in a living language, whose eyes, wherever they turned, still rested on the monuments, unrivalled, undesecrated, unfallen, unfaded, of Greek religious art. Nor was polytheism what some have imagined it to have been at this period, merely a tradition, an association, a dream, drawing shadowy sustenance from the human works and human thoughts which it had once inspired. To Plotinus and Proclus, as formerly to Socrates and Plato and Aristotle, the luminaries of day and night blazed down from heaven as animated and immortal witnesses of its truth. It was not simply that the heavens declared the glory of God; to the pious beholder, they were visibly inhabited by glorious gods, and their constellated fires were, as Plotinus said, a scripture in which the secrets of destiny might be read. The same philosopher scornfully asks the Gnostics, who, in this respect, were indistinguishable from the Christians, whether they were so infatuated as to call the worst men their brothers, while refusing that title to the sun; and at a much later period, notwithstanding the heavy penalties attached to it, the worship of the heavenly bodies continued to be practised by the profoundest thinkers and scholars of the Neo-Platonic school.529 Moreover, polytheism, by the very weakness and unfixity of its dogmas, gave a much wider scope to independent speculation than could be permitted within the limits of the358 Catholic Church, just because Catholicism itself constituted a philosophical system in which all the great problems of existence were provided with definite and authoritative solutions.152But on looking at the matter a little more closely, we shall find that Plotinus only set in a clearer light what had all along been the leading motive of his predecessors. We have already observed that Platos whole mythological machinery is only a fanciful way of expressing that independent experience which the mind derives from the study of its own spontaneous activity. And the process of generalisation described in the Symposium is really limited to moral phenomena. Platos standpoint is less individualistic than that of Plotinus in so far as it involves a continual reference to the beliefs, experiences, and wants of other men; but it is equally subjective, in the sense of interpreting all Nature by the analogies of human life. There are even occasions when his spiritualism goes the length of inculcating complete withdrawal from the world of common life into an ideal sphere, when he seems to identify evil with matter, when he reduces all virtue to contempt for the interests of the body, in language which his Alexandrian successor could adopt without any modification of its obvious meaning.434"Fool," he exclaimed, hoarsely. "Do you want to bring the police upon me?"Very slowly the huge monster sauntered along, stopping and waiting everywhere to allow long trains with fresh troops to pass. These came straight from Germany, with the youngest levies and volunteers who had just finished their drill. These had decorated their trains all over with green boughs and outside painted all sorts of caricatures, from which especially King George had to suffer much. Then one read "To Paris, to England," and similar hopeful devices.
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