ONE:A machine may be mechanically correct, arranged with symmetry, true proportions, and proper movements; but if such a machine has not commercial value, and is not applicable to a useful purpose, it is as much a failure as though it were mechanically inoperative. In fact, this consideration of cost and commercial value must be continually present; and a mechanical education that has not furnished a true understanding of the relations between commercial cost and mechanical excellence will fall short of achieving the objects for which such an education is undertaken. By reasoning from such premises as have been laid down, an apprentice may form true standards by which to judge of plans and processes that he is brought in contact with, and the objects for which they are conducted.
TWO:"But you are not going to Aldershot tonight. Captain Gifford?" Leona asked. "A cab? How extravagant!"Empire, when it came to Athens, came almost unsought. The Persian invasions had made her a great naval power; the free choice of her allies placed her at the head of a great maritime confederacy. The sudden command of vast resources and the tension accumulated during ages of repose, stimulated all her faculties into preternatural activity. Her spirit was steeled almost to the Dorian temper, and entered into victorious rivalry with the Dorian Muse. Not only did her fleet sweep the sea, but her army, for once, defeated Theban hoplites in the field. The grand choral harmonies of Sicilian song, the Sicyonian recitals of epic adventure, were rolled back into a framework for the spectacle of individual souls meeting one another in argument, expostulation, entreaty, and defiance; a nobler Doric edifice rose to confront the Aeginetan temple of Athn; the strained energy of Aeginetan combatants was relaxed into attitudes of reposing power, and the eternal smile on their faces was deepened into the sadness of unfathomable thought. But to the violet-crowned city, Athn was a giver of wealth and wisdom rather than of prowess; her empire rested on the contributions of unwilling allies, and on a technical proficiency which others were sure to equal in time; so that the Corinthian orators could say with justice that Athenian skill was more easily acquired than Dorian valour. At once receptive and communicative, Athens absorbed all that Greece could teach her, and then returned it in a more elaborate form, but without the freshness of its earliest inspiration. Yet there was one field that still afforded scope for creative originality. Habits of analysis, though fatal to spontaneous production, were favourable, or rather were necessary, to the growth of a new philosophy. After the exhaustion of every limited idealism, there remained that highest idealisation which is the reduction of all past experience to a method available for the guidance129 of all future action. To accomplish this last enterprise it was necessary that a single individual should gather up in himself the spirit diffused through a whole people, bestowing on it by that very concentration the capability of an infinitely wider extension when its provisional representative should have passed away from the scene.
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ONE:"Have the Germans done no harm here yet?"
TWO:For a long minute Dick, Larry and Sandy stood in a compact group, feeling rather stunned by the sudden springing of the trap, as they considered the closed hangar.
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ONE:(1.) To what general object are all pursuits directed?(2.) What besides wealth may be objects in the practice of engineering pursuits?(3.) Name some of the most common among the causes which reduce the cost of production.(4.) Name five of the main elements which go to make up the cost of engineering products.(5.) Why is commercial success generally a true test of the skill connected with engineering-works?
TWO:Vis had not been burnt yet, as had been reported in The Netherlands. Only here and there had the shells done some damage, and hundreds of window-panes had been burst by the vibration of the air. As a token of submission to the invader, small white flags hung from all the windows, and these, along the whole length of a street, made a decidedly lamentable impression.They had come to a better part of the town. They paused at length before Lytton Avenue. The house of many festivities was dark and dismantled. There was no sign of life or movement there.
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TWO:Prout was profuse. He was very anxious over those notes. He had certainly had the good fortune to take into custody one Ren Lalage, the brother to Leon Lalage, who had been murdered in the Corner House.46
FORE:Aside from the greater rapidity with which a hammer may operate when working on this principle, there is nothing gained, and much lost; and as this kind of action is imperative in any hammer that has a 'maintained or positive connection' between its reciprocating parts and the valve, it is perhaps fair to infer that one reason why most automatic hammers act with elastic blows is either because of a want of knowledge as to a proper valve arrangement, or the mechanical difficulties in arranging valve gear to produce dead blows.Highly indignant, I claimed of course that that soldier should also be called; but I was told that I had better assume a more modest tone. I then asked to be taken to the commanding officer, whom I had seen that afternoon; but he was away on inspection or something, and would not return before the next morning.
FORE:"Quite, sir," the lawyer responded. "According to the papers drawn up at the time, you can take possession and demand your money at any moment. You are in the same position as a landlord distraining for rent. If you want us to act----"So do you read themand Dick, too!
FORE:Again, while attacking the belief in human immortality, Epicurus seems to direct his blows against the metaphysical reasonings of Plato,153 as well as against the indistinct forebod77ings of primitive imagination. The consequences of this two-edged polemic are very remarkable. In reading Lucretius, we are surprised at the total absence of criticisms like those brought to bear on Greek mythology with such formidable effect, first by Plato and, long afterwards, by Lucian. There is a much more modern tone about his invectives, and they seem aimed at an enemy familiar to ourselves. One would suppose that the advent of Catholicism had been revealed in a prophetic vision to the poet, and that this, rather than the religion of his own times, was the object of his wrath and dread; or else that some child of the Renaissance was seeking for a freer utterance of his own revolt against all theology, under the disguise of a dead language and of a warfare with long-discredited gods. For this reason, Christians have always regarded him, with perfect justice, as a dangerous enemy; while rationalists of the fiercer type have accepted his splendid denunciations as the appropriate expression of their own most cherished feelings.
FORE:The analogy between steam-power and water-power is therefore quite complete. Water is in both cases the medium through which power is obtained; evaporation is also the leading principle in both, the main difference being that in the case of steam-power the force employed is directly from the expansion of water by heat, and in water-power the force is an indirect result of expansion of water by heat.191
FORE:At last tidings of the oracle made their way to Italy and Rome, where they created intense excitement, particularly among the leading men of the state. One of these, Rutilianus, a man of consular dignity and well known for his abject superstition, threw himself head-foremost into the fashionable delusion. He sent off messenger after messenger in hot haste to the shrine of Asclpius; and the wily Paphlagonian easily contrived that the reports which they carried back should still further inflame the curiosity and wonder of his noble devotee. But, in truth, no great refinement of imposture was needed to complete the capture of such a willing dupe. One of his questions was, what teacher should he employ to direct the studies of his son? Pythagoras and Homer were recommended in the oracular response. A few days afterwards, the boy died, much to the discomfiture of Alexander, whose enemies took the opportunity of triumphing over what seemed an irretrievable mistake. But Rutilianus himself came to the rescue. The oracle, he said, clearly foreshadowed his sons death, by naming teachers who could only be found in the world below. Finally, on being consulted with regard to the choice of a wife, the oracle promptly recommended the daughter of Alexander and the Moon; for the prophet professed to have enjoyed the favours of that goddess in the same circumstances as Endymion. Rutilianus, who was at this time sixty years old, at once complied with the divine227 injunction, and celebrated his marriage by sacrificing whole hecatombs to his celestial mother-in-law.He decided to pay out another bit of rope.
FORE:
FORE: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.
TWO:Its the amphibian, and no mistake! Larry cried, running down the beach toward the titled craft.Water-wheels, next to steam-engines, are the most common motive agents. For centuries water-wheels remained without much improvement or change down to the period of turbine wheels, when it was discovered that instead of being a very simple matter, the science of hydraulics and water-wheels involved some very intricate conditions, giving rise to many problems of scientific interest, that in the end have produced the class known as turbine wheels.
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TWO:"I would have made some excuse and got away," Leona went on. "But he had me fast. He was going to send me to gaol. That would have been a pretty thing for Countess Lalage! But he only knew me for what I used to be. If I could only get away and destroy the disguise he would never get on my track again. I pretended that I could not fight him any more; I lulled his suspicions to sleep I was going to show him how the forgery was done. He stooped to get me a pen and the knife went into his shoulder. Had he not moved I should have killed him. He managed to creep to the window and give the alarm."
TWO:"So this brave lady succeeded in getting the sentence of death withdrawn. But the Germans wanted to torture their wretched prisoners on any or no plea. They were placed near the church wall, kept standing there all night, were told that they would be shot by and by, and threatened by the soldiers with their bayonets.
There is a problem as to the principle of action in a Barker wheel, which although it may be very clear in a scientific sense, remains a puzzle to the minds of many who are well versed in mechanics, some contending that the power is directly from pressure, others that it is from the dynamic effect due to reaction. It is one of the problems so difficult to determine by ordinary standards, that it serves as a matter of endless debate between those who hold different views; and considering the advantage usually derived from such controversies, perhaps the best manner of disposing of the problem here is to state the two sides as clearly as possible, and leave the reader to determine for himself which he thinks right.Hetty clung to Bruce's arm as if fearful for her safety. Of course, he was absolutely innocent, but how far the world would believe it was quite another matter. For the girl was quick and clear-sighted, and it needed no explanation to show her Bruce's terrible position."'On October 9th no train with two thousand wounded arrived at the station of Landen, but only small transports whose number can be checked accurately by the lists of wounded. Rioting by two to three hundred soldiers near a carriage could not take place, as the station guard was instructed to keep free a path along the train. There is, moreover, always an officer of the station-guard present, when a train with wounded leaves. It is impossible that the soldiers could have aimed their rifles at the British, as the men who get their food in the dining-hall, as also the serving military personnel, are always unarmed. Other soldiers are not admitted to the station. The British have neither been beaten, nor stabbed, nor spit at; on the contrary plates full of hot soup have been offered them which were refused by two of them. This has been confirmed by the declarations of people who were present.'"CHAPTER I. THE STOICS.
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