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Balmayne knelt down there with one of the lamps in his hand. His face was not good to look upon. Leona Lalage watched him eagerly.It may be assumed that the same conditions apply to the standards of a common planing machine, but the case is different; the upright framing is easily made strong enough by increasing its depth; but the strain upon running joints is as the distance from them at which a force is applied, or to employ a technical phrase, as the amount of overhang. With a moving platen the larger and heavier a piece to be planed, the more [132] firmly a platen is held down; and as the cross section of pieces usually increases with their depth, the result is that a planing machine properly constructed will act nearly as well on thick as thin pieces.
ONE:When a tool is guided by turning on points, the movement is perfect, and the straightness or parallelism of holes bored in this manner is dependent only on the truth of the carriage movement. This plan of boring is employed for small steam cylinders, cylindrical valve seats, and in cases where accuracy is essential.It was at this juncture that the voluntary withdrawal of an older fellow-pupil placed Arcesilaus at the head of the Academy. The date of his accession is not given, but we are told that he died 241 or 240 B.C. in the seventy-fifth year of his age. He must, therefore, have flourished a generation later than Zeno and Epicurus. Accomplished, witty, and generous, his life is described by some as considerably less austere than that of the excellent nonentities whom he succeeded. Yet its general goodness was testified to by no less an authority than his contemporary, the noble Stoic, Cleanthes. Do not blame Arcesilaus, exclaimed the latter146 to an unfriendly critic; if he denies duty in his words, he affirms it in his deeds. You dont flatter me, observed Arcesilaus. It is flattering you, rejoined Cleanthes, to say that your actions belie your words.230 It might be inferred from this anecdote that the scepticism of the new teacher, like that of Carneades after him, was occasionally exercised on moral distinctions, which, as then defined and deduced, were assuredly open to very serious criticism. Even so, in following the conventional standard of the age, he would have been acting in perfect consistency with the principles of his school. But, as a matter of fact, his attacks seem to have been exclusively aimed at the Stoic criterion of certainty. We have touched on this difficult subject in a former chapter, but the present seems a more favourable opportunity for setting it forth in proper detail.

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TWO:In adding another to the large number of books which treat upon Mechanics, and especially of that class devoted to what is called Mechanical Engineering, it will be proper to explain some of the reasons for preparing the present work; and as these explanations will constitute a part of the work itself, and be directed to a subject of some interest to a learner, they are included in the Introduction.A far higher place must be assigned to Judaism among the competitors for the allegiance of Europe. The cosmopolitan importance at one time assumed by this religion has been considerably obscured, owing to the subsequent devolution of its part to Christianity. It is, however, by no means impossible that, but for the diversion created by the Gospel, and the disastrous consequences of their revolt against Rome, the Jews might have won the world to a purified form of their own monotheism. A few significant circumstances are recorded showing how much influence they had acquired, even in Rome, before the first preaching of Christianity. The first of these is to be found in Ciceros defence of Flaccus. The latter was accused of appropriating part of the annual contributions sent to the temple at Jerusalem; and, in dealing with this charge, Cicero speaks of the Jews, who were naturally prejudiced against his client, as a powerful faction the hostility of which he is anxious not to provoke.330 Some twenty years later, a great advance has been made. Not only must the material interests of the Jews be respected, but a certain conformity to their religious prescriptions is considered a mark of good breeding, In one of his most amusing satires, Horace tells us how, being anxious to shake off a bore, he appeals for help to his friend Aristius Fuscus, and reminds him of217 some private business which they had to discuss together. Fuscus sees his object, and being mischievously determined to defeat it, answers: Yes, I remember perfectly, but we must wait for some better opportunity; this is the thirtieth Sabbath, do you wish to insult the circumcised Jews? I have no scruples on that point, replies the impatient poet. But I have, rejoins Fuscus,a little weak-minded, one of the many, you knowexcuse me, another time.331 Nor were the Jews content with the countenance thus freely accorded them. The same poet elsewhere intimates that whenever they found themselves in a majority, they took advantage of their superior strength to make proselytes by force.332 And they pursued the good work to such purpose that a couple of generations later we find Seneca bitterly complaining that the vanquished had given laws to the victors, and that the customs of this abominable race were established over the whole earth.333 Evidence to the same effect is given by Philo Judaeus and Josephus, who inform us that the Jewish laws and customs were admired, imitated, and obeyed over the whole earth.334 Such assertions might be suspected of exaggeration, were they not, to a certain extent, confirmed by the references already quoted, to which others of the same kind may be added from later writers showing that it was a common practice among the Romans to abstain from work on the Sabbath, and even to celebrate it by praying, fasting, and lighting lamps, to visit the synagogues, to study the law of Moses, and to pay the yearly contribution of two drachmas to the temple at Jerusalem.335

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  • FORE:Boring, as distinguished from drilling, consists in turning out annular holes to true dimensions, while the term drilling is applied to perforating or sinking holes in solid material. In boring, tools are guided by axial support independent of the [137] bearing of their edges on the material, while in drilling, the cutting edges are guided and supported mainly from their contact with and bearing on the material drilled.

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  • FORE:

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  • FORE:The manager was sympathetic; at the same time he looked at the clock, which was drawing very near to closing time. There was a lull outside in the traffic. Prout took up his hat and prepared to depart.Nothing, as Friedl?nder observes, shows so well what intense credulity prevailed at this time, with reference to phenomena of a marvellous description, as the success obtained by a celebrated impostor, Alexander of Abonuteichus, whose adventurous career may still be studied in one of Lucians liveliest pieces. Here it will be enough to mention225 that Alexander was a clever charlatan of imposing figure, winning manners, and boundless effrontery, who established himself in Abonuteichus, a small town in Paphlagonia, on the southern shore of the Black Sea, where he made a trade of giving oracles in the name of Asclpius. The god of healing was represented for the occasion by a large tame serpent fitted with a human head made of painted canvas and worked by horsehair strings. Sometimes the oracular responses were delivered by the mouth of the god himself. This was managed with the help of a confederate who spoke through a tube connected with the false head. Such direct communications were, however, only granted as an exceptional favour and for a high price. In most instances the answer was given in writing, and the fee charged for it only amounted to a shilling of our money. Alexander had originally fixed on Abonuteichus, which was his native place and therefore well known to him, as the seat of his operations, on account of the extraordinary superstition of its inhabitants; but the people of the adjacent provinces soon showed themselves to be nowise behind his fellow-townsmen in their credulity. The fame of the new oracle spread over all Asia Minor and Thrace; and visitors thronged to it in such numbers as sometimes to produce a scarcity of provisions. The prophets gross receipts rose to an average of 3,000l. a year, and the office of interpreting his more ambiguous responses became so lucrative that the two exegtes employed for this purpose paid each a talent a year (240l.) for the privilege of exercising it.

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  • FORE:We have now reached a point where Greek philosophy seems to have swung back into the position which it occupied three hundred years before, towards the close of the Peloponnesian War. The ground is again divided between naturalists and humanists, the one school offering an encyclopaedic training in physical science and exact philology, the other literary, sceptical, and limiting its attention to the more immediate interests of life; but both agreeing in the supreme importance of conduct, and differing chiefly as to whether its basis should or should not be sought in a knowledge of the external world. Materialism is again in the ascendant, to this extent at least, that no other theory is contemplated by the students of physical science; while the promise of a spiritualistic creed is to be found, if at all, in the school whose scepticism throws it back on the subjective sphere, the invisible and impalpable world of mind. The attitude of philosophy towards religion has, indeed, undergone a marked change; for the Stoic naturalists count themselves among the159 most strenuous supporters of beliefs and practices which their Sophistic predecessors had contemned, while the humanist criticism is cautiously guarded by at least an external conformity to established usage; but the Platonic doctrine of immortality has disappeared with the dogmatic spiritualism on which it rested; and faith in superior beings tends to dissociate itself from morality, or to become identified with a simple belief in the fixity of natural law.

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  • FORE:It is a lamentable sign that this German, probably well educated, had not taken the slightest trouble to find out the reason for this wholesale wrecking of a town, that the whole affair impressed him so little. "Somebody" had said that those cursed civilians had been shooting, that explained it to his satisfaction, and gave him ample cause for coarse abuse of the wretched people.

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  • FORE:Proceeding from these premises, the first thing should be to examine the action of existing valve gear, to determine where this want of the dead-stroke function can best be supplied, and to gain the aid of such suggestions as existing mechanism may offer, also to see how far the appliances in use may become a part of any new arrangement.

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THREE:He yelled aloud. The scream of rage and disappointment rang through the house. It caused a servant to turn over sleepily and wonder what the matter was, it roused little Mamie, and brought her up in bed with a scream of fear. Hetty heard it too, and wondered if murder was not being committed after all.The conditions at Louvain were the same as some weeks ago: hunger and misery. Some male prisoners had come back, and also over 150 female prisoners, who for more than a month had been in captivity in the Munster Camp. During the last days a real reign of terror ruled. Hostages were200 continually claimed, and nearly always they took clerics. The week before the people had feared a new destruction. It was said that there had been shooting again, but happily the inquiry showed that a German soldier did it, and he was punished. The shot had been fired in front of the Josephite convent.

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THREE:Different kinds of gearing can be seen in almost every engineering establishment, and in view of the amount of scientific information available, it will only be necessary to point out some of the conditions that govern the use and operation of the different kinds of wheels. The durability of gearing, aside from breaking, is dependent upon pressure and the amount of rubbing action that takes place between the teeth when in contact. Spur wheels, or bevel wheels, when the pitch is accurate and the teeth of the proper form, if kept clean and lubricated, wear but little, because the contact between the teeth is that of rolling instead of sliding. In many cases, one wheel of a pair is filled with wooden cogs; in this arrangement there are four objects, to avoid noise, to attain a degree of elasticity in the teeth, to retain lubricants by absorption in the wood, and to secure by wear a better configuration of the teeth than is usually attained in casting, or even in cutting teeth.

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THREE:Just for a moment Bruce almost lost his self-possession. The beauty with the fair hair was regarding him curiously. He felt half annoyed that he had been so near betraying himself. The medical man was uppermost now. Evidently the patient was in a state of almost collapse from alcoholic poisoning. As is usual in such instances, sleep had forsaken the wretched man, and he had had recourse to drugs. He had taken an overdose and medical aid had been summoned just in the nick of time.

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ONE:"Rot!" Lawrence cried. "I've got some news for you. Prout has been with me and has left a letter in my possession. What do you think of that?"82
FORE:So do the nights blind eye and suns bright orbCHAPTER VII THE SWAMP GIVES UP A CLUE

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TWO:The idea of Nature, or of the universe, or of human history as a wholebut for its evil associations with fanaticism and superstition, we should gladly say the belief in Godis one the ethical value of which can be more easily felt than analysed. We do not agree with the most brilliant of the English Positivists in restricting its influence to the aesthetic emotions.106 The elevating influence of these should be fully51 recognised; but the place due to more severely intellectual pursuits in moral training is greater far. Whatever studies tend to withdraw us from the petty circle of our personal interests and pleasures, are indirectly favourable to the preponderance of social over selfish impulses; and the service thus rendered is amply repaid, since these very studies necessitate for their continuance a large expenditure of moral energy. It might even be contended that the influence of speculation on practice is determined by the previous influence of practice on speculation. Physical laws act as an armature to the law of duty, extending and perpetuating its grasp on the minds of men; but it was through the magnetism of duty that their confused currents were first drawn into parallelism and harmony with its attraction. We have just seen how, from this point of view, the interpretation of evolution by conscience might be substituted for the interpretation of conscience by evolution. Yet those who base morality on religion, or give faith precedence over works, have discerned with a sure though dim instinct the dependence of noble and far-sighted action on some paramount intellectual initiative and control; in other words, the highest ethical ideals are conditioned by the highest philosophical generalisations. Before the Greeks could think of each man as a citizen of the world, and as bound to all other rational beings by virtue of a common origin and a common abode, it was first necessary that they should think of the world itself as an orderly and comprehensive whole. And what was once a creative, still continues to work as an educating force. Our aspirations towards agreement with ourselves and with humanity as a whole are strengthened by the contemplation of that supreme unity which, even if it be but the glorified reflection of our individual or generic identity, still remains the idea in and through which those lesser unities were first completely realisedthe idea which has originated all mans most fruitful faiths, and will at last absorb them all. Meanwhile our highest devotion can hardly find more fitting52 utterance than in the prayer which once rose to a Stoics lips:On the other hand, Aristotles own theistic arguments cannot stand for a moment in the face of modern science. We know by the law of inertia that it is not the continuance, but the arrest or the beginning of motion which requires to be accounted for. We know by the Copernican system that there is no solid sidereal sphere governing the revolutions of all Nature. And we know by the Newtonian physics that354 gravitation is not dependent on fixed points in space for its operation. The Philosophy of the Philosopher Aristotle is as inconsistent with the demonstrations of modern astronomy as it is with the faith of mediaeval Catholicism.

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99 
TWO:Another principle in planing machines which deserves notice is the manner of driving carriages or platens; this is usually performed by means of spur wheels and a rack. A rack movement is smooth enough, and effective enough so far as a mechanical connection between the driving gearing and a platen, but there is a difficulty met with from the torsion and elasticity of cross-shafts and a train of reducing gearing. In all other machines for metal cutting, it has been a studied object to have the supports for both the tools and the material as rigid as possible; but in the common type of planing machines, such as have rack and pinion movement, there is a controversion of this principle, inasmuch as a train of wheels and several cross-shafts constitute a very effective spring between the driving power and the point of cutting, a matter that is easily proved by planing across the teeth of a rack, or the threads of a screw, on a machine arranged with spur wheels and the ordinary reducing gearing. It is true the inertia of a platen is interposed and in a measure overcomes this elasticity, but in no degree that amounts to a remedy.It is, perhaps, characteristic of the times that Aelians stories should redound more especially to the credit of Asclpius and Heracles, who were not gods of the first order, but demi-gods or deified mortals. Their worship, like that of the Nature-powers connected with earth rather than with heaven, belongs particularly to the popular religion, and seems to have been repressed or restrained in societies organised on aristocratic principles. And as more immediate products of the forces by which supernaturalist beliefs are created and maintained, such divinities would profit by the free scope now given to popular predilections. In their case also, as with the earth-goddesses Dmtr and Isis, a more immediate and affectionate relation might be established between the believer and the object of his worship than had been possible in reference to the chief Olympian gods. Heracles had lived the life of a man, his activity had been almost uniformly beneficent, and so he was universally invoked, as a helper and healer, in the sick-chamber no less231 than on the storm-tost ship.354 Asclpius was still more obviously the natural refuge of those who were afflicted with any bodily disease, and, in a time of profound peace, this was of all calamities the most likely to turn mens thoughts towards a supernatural protector. Hence we find that where, apart from Christianity, the religious enthusiasm of the second century reaches its intensest expression, which is in the writings of the celebrated rhetor Aristeides, Asclpius comes in for the largest share of devotional feeling. During an illness which continued through thirteen years, Aristeides sought day and night for help and inspiration from the god. It came at last in the usual form of a prescription communicated through a dream. Both on this and on other occasions, the excitement of an overwrought imagination combined with an exorbitant vanity made the sophist believe himself to be preferred above all other men as an object of the divine favour. At one time he would see himself admitted in his dreams to an exchange of compliments with Asclpius; at other times he would convert the most ordinary incidents into signs of supernatural protection. Thus his foster-sister having died on the day of his own recovery from a dangerous epidemic, it was revealed to him in a dream that her life had been accepted as a ransom for his. We are told that the monks of the Middle Ages could not refrain from expressing their indignant contempt for the insane credulity of Aristeides, in marginal notes on his orations; but the last-mentioned incident, at least, is closely paralleled by the well-known story that a devout lady was once permitted to redeem the life of Pius IX. by the sacrifice of her own.355
THREE:"I am afraid of her; I mistrust her; she frightens me. Call it prejudice if you like, but there is something wrong about that woman. Did she find out anything about us last night, Gordon?" THREE:Finally, it must constantly be borne in mind that what will be learned is no less a question of faculties than effort, and that the means of succeeding are closed to none who at the beginning form proper plans, and follow them persistently. THREE:Heyst was occupied by a small division of marines, although a few days before the garrison had been larger, but on Saturday evening all soldiers along the coast had been alarmed, and most of them were ordered to proceed to the battle-field near Nieuwpoort, where matters were at the time less favourable for the Germans. Near the dyke I found five pieces of ordnance mounted, their mouths turned towards the sea, and that they were quite right in taking precautions was proved by the men-of-war riding on the distant horizon, without motion."Impossible," Bruce cried. "At a quarter to five I was at home. The hall porter and two of the maids were down and will testify to the fact."
The garish sunlight struggled through the grimy panes. Under ordinary conditions the drawing-room was a luxurious one. But the fine dust of years had settled upon pictures and statues and upon the upholstery of the old Empire furniture. As Charlton paced to and fro a gossamer cloud of dust seemed to follow him.This proposition argues the expediency of reducing the proportions of mill gearing and increasing its speed, a change which has gradually been going on for fifty years past; but there are opposing conditions which make a limit in this direction, such as the speed at which bearing surfaces may run, centrifugal strain, jar, and vibration. The object is to fix upon a point between what high speed, light weight, cheapness of cost suggest, and what the conditions of practical use and endurance demand."Good heavens," Bruce cried hoarsely, "it is. It would be futile to deny it."
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