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Charlton nodded. He was a man of few words. He said nothing when Lawrence gave him a pair of goloshes to put over his boots, and in silence the two set out for Raven Street. The place was practically deserted as they came to the house, so that to enter without being seen was a matter of no difficulty.

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The most perfect castings for gear wheels and pulleys and other pieces which can be so moulded, are made by drawing the patterns through templates without rapping. These templates are simply plates of metal perforated so that the pattern can be forced through them by screws or levers, leaving the sand intact. Such templates are expensive to begin with, because of the accurate fitting that is required, especially around the teeth of wheels, and the mechanism that is required in drawing the patterns, but when a large number of pieces are to be made from one pattern, such as gear wheels and pulleys, the saving of labour will soon pay for the templates and machinery required, to say nothing of the saving of metal, which often amounts to ten per cent., and the increased value of the castings because of their accuracy. Colour Background Image Background
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ONE:4. The loss of power by friction and angles in conducting air through pipes.

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ONE:To keep the big swindle going on and to avoid awkward mistakes it was necessary for the confederates to meet at intervals. By small purchases at one address or another Prout had pretty well got to know all the gang by sight, and by following one or another he discovered at last where the rendezvous was--a public-house of not too good repute in White Lane, leading off Oxford Street.CHAPTER XXXIX. DESIGNING MACHINES.
ONE:
  • THREE:"You see, I have found something out," he said. "I rather hoped--indeed, I have still hopes--that the culprit----" THREE:The effect of tempering baths is as their conducting power; chemicals except as they may contribute to the conducting properties of a bath, may safely be disregarded. For baths, cold or ice water loaded with salt for extreme hardness, and warm oil for tools that are thin and do not require to be very hard, are the two extremes outside of which nothing is required in ordinary practice.Still more important than these observations themselves is the great truth he derives from themsince rediscovered and worked out in detail by Von Baerthat in the development of each individual the generic characters make their appearance before the specific characters.211 Nor is this a mere accidental or isolated remark, but, as we shall show in the next chapter, intimately connected with one of the philosophers metaphysical theories. Although not an evolutionist, he has made other contributions to biology, the importance of which has been first realised in the light of the evolution theory. Thus he notices the antagonism between individuation and reproduction;212 the connexion of increased size with increased vitality;213 the connexion of greater mobility,214 and of greater intelligence,215 with increased complexity of structure; the physiological division of labour in the higher animals;216 the formation of heterogeneous organs out of homogeneous tissues;217 the tendency towards greater centralisation in the higher organisms218a remark connected with his two great anatomical discoveries, the central position of the heart in the vascular system, and the possession of a backbone by all red-blooded animals;219 the resemblance of animal intelligence to a rudimentary human intelligence, especially as manifested in children;220 and, finally, he attempts to trace a continuous series of gradations connecting the inorganic with the organic world, plants with animals, and the lower animals with man.221

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  • THREE:(1.) Why has the lifting of weights been made a standard for the measure of power?(2.) Name some of the difficulties to contend with in the operation of machinery for lifting or handling material.(3.) What analogy exists between manual handling and the operation of hydraulic cranes?(4.) Explain how the employment of overhead cranes saves room in a fitting shop.(5.) Under what circumstances is it expedient to move material vertically?(6.) To what circumstances is the danger of handling mainly attributable?"Go on," she whispered. "Go on, mine enemy." THREE:As soon as they began to chase the men, the greater part of the inhabitants fled in dire fear, most of178 them towards the Campine. In the fields and the shrubberies the Germans must have killed a good many of the male fugitives, and made the others prisoners. Among the latter were my six fellow-victims.The upflow of currents of warmed water are a common cause of irregular cooling and springing of steel tools in hardening; the water that is heated, rises vertically, and the least inclination of a piece from a perpendicular position, allows a warm current to flow up one side.

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  • THREE:"It sounds incredible," the Countess said.Drawings represent and explain the machinery to which they relate as the symbols in algebra represent quantities, and in a degree admit of the same modifications and experiments to which the machinery itself could be subjected if it were already constructed. Drawings are also an important aid in developing designs or conceptions. It is impossible to conceive of, and retain in the mind, all the parts of a complicated machine, and their relation to each other, without some aid to fix the various ideas as they arise, and keep them in sight for comparison; like compiling statistics, the footings must be kept at hand for reference, and to determine the relation that one thing may bear to another. THREE:"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!"

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  • THREE:And you chew gum! snapped Sandy, unwilling to be left out of the suddenly developing third degree he had begun. Jeff made a further inspection, touched a bit of the dried gum curiously, stepped down and stood with a thoughtful face for a moment.Nothing animate or inanimate in nature is uniform; plants, trees, animals, are all different; even the air we breathe and the temperature around us is constantly changing; only one thing is constant, that is time, and to this must we go for all our standards. THREE:On the same day I wrote as follows about Dr. Goffin:I think proper to point out these peculiarities, not so much from any importance they may have in themselves, but to suggest critical investigation, and to dissipate any preconceived opinions of forging being a simple matter, easy to learn, and involving only commonplace operations.

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ONE:The auxiliary departments, if disposed about an erecting shop in the centre, should be so arranged that material which has to pass through two or more departments can do so in the order of the processes, and without having to cross the erecting shop. Casting, boring, planing, drilling, and fitting, for example, should follow each other, and the different departments be arranged accordingly; whenever a casting is moved twice over the same course, it shows fault of arrangement and useless expense. The same rule applies to all kinds of material.Subject to the constraint of mighty laws; THREE:
ONE:There were only a few passengers by the train, one an old bent man with a grey moustache and a hooked nose coming down over it. His boots and hat and gloves were shabby enough, but his fur-lined overcoat, which he wore in spite of the warm night, was a magnificent garment of real sable. He stepped along the platform absently. As he looked round for a cab, Balmayne hailed him.

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ONE: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.
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FORE:"Indeed, no. Mr. Isidore spoke of it quite freely. It appears that a brother of the dead man has come into your hands. Is not that so?"II.

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FORE:
ONE:(1.) What change has taken place in the meaning of the name "invention" as applied to machine improvement?(2.) What should precede an attempt to invent or improve machinery?(3.) In what sense should the name invention be applied to the works of such men as Bentham, Bodmer, or Stephenson?"Vis? Do you mean to say, sir, that the whole of Vis has been set on fire?"
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ONE:"Something of that kind," she said. "My friend Mr. Balmayne was bringing my motor back when he found this poor fellow unconscious in the lane. Mr. Balmayne called out to me for assistance and I fortunately heard."Lawrence stepped into the garden, Mamie welcomed him eagerly. No books of hers were half so popular as the novelist's impromptu stories.

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ONE:"Last night a shooting affray took place. There is no evidence that the inhabitants of the towns had any arms in their houses, nor is there evidence that the people took part in the shooting; on the contrary, it seems that the soldiers were under the influence of alcohol, and began to shoot in a senseless fear of a hostile attack.
FORE:The lawyer bowed his strange client out. He had only to obey instructions. He went back to his desk pondering on the sensation that society was going to get shortly. Maitrank went straight away to Lawrence."I have seen them; I have had them in my hands." Charlton was about to say more, but he checked himself in time. After all, the woman and her accomplice had not stolen the real gems, but the paste imitations. But Lawrence would be in a position to clear that point. FORE: FORE:"I am not here about that," he said, "at least, not for the present. I am afraid I have some bad news for you. I am speaking to the lady who is known to people generally as Countess Lalage."CHAPTER VII. MOTIVE MACHINERY. FORE:"You might be disposed to answer a few questions," said Bruce, quietly. "I was the doctor who was called in to see you last night. But for the courage of a young girl, I might today have given evidence at the inquest held on the body of a most distinguished capitalist called Maitrank."Third.Each blow given is an independent operation, and can be repeated at will, while in other hammers such changes [110] can only be made throughout a series of blows by gradually increasing or diminishing their force.
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Once credited with a continued existence, the departed spirit would not remain in the Hades or the Elysium provided for it by the justice or the piety, of the survivor, but persisted in returning to this world and manifesting a most uncomfortable interest in its affairs; or, even if willing to remain at rest, it was liable to be dragged back by incantations, and compelled to reveal the secrets of futurity at the bidding of an unprincipled magician. What science and good feeling combined have proved unable to keep down among ourselves, naturally raged with unmitigated virulence at a time when the primitive barbarism and superstition were only covered over by a crust of culture which at many points was growing thinner every day. Among Latin writers, the younger Pliny, Suetonius, and Apuleius, among Greek writers, Plutarch, Pausanias, Maximus Tyrius, Philostratus, and Dion Cassius, afford unequivocal evidence of their belief and the belief of their contemporaries in ghostly apparitions; and Lucian, while rejecting ghost-stories on his own account, speaks as if they were implicitly accepted even in philosophical circles.372 Still more abundant is the evidence proving the frequency of attempts made to evoke spirits by means of magical incantations. Horaces Canidia boasts that she can raise the dead even after their bodies have been burned.373 Lucan describes the process of conjuring up a ghost at length; and it is thought that he inserted the whole scene in his poem as a satire on the emperor Nero, who is known to have been addicted to such practices, as were also his successors, Didius Julianus, Caracalla, and Elagabalus. And that the same art was cultivated by private persons is clear from the allusions made to it by Quintilian, Apuleius, Tertullian, and Heliod?rus.374Machinery of application.In this relative calm the population felt somewhat relieved, and ventured again into the streets. Outdoors on the "stoeps" of the houses men sat on their haunches smoking their pipe and playing a game of piquet. Most of them were vigorous fellows, miners, who did not mind any amount of work, but now came slowly under the demoralising influence of idleness.
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