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"I've done more than that, sir," said Prout. "I've stumbled on something important relating to that Corner House business. And if you don't want me any more, I'd like to go and see Mr. Gilbert Lawrence."

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Charlton paused and wiped his forehead. He spoke quite calmly and collectedly, but the great drops stood on his face.Engines operated by means of hot air, called caloric engines, and engines operated by gas, or explosive substances, all act substantially upon the same general principles as steam-engines; the greatest distinction being between those engines wherein the generation of heat is by the combustion of fuel, and those wherein heat and expansion are produced by chemical action. With the exception of a limited number of caloric or air engines, steam machinery comprises nearly all expansive engines that are employed at this day for motive-power; and it may be safely assumed that a person who has mastered the general principles of steam-engines will find no trouble in analysing and understanding any machinery acting from expansion due to heat, whether air, gas, or explosive agents be employed.
ONE:
TWO:"'I saw how two to three hundred German soldiers, part of them slightly wounded, who were well able to walk, partly soldiers of the Landen garrison, who crowded about the open doors of one of the last wagons, raging and jeering against three seriously wounded British soldiers, about whom their French fellow-passengers told me that they had had nothing to eat for five days. The wounded were called "swine," were spit at, and some rifles were aimed at them. When I told a sergeant that it was a disgusting scene, he answered: "These British swine, they get paid for their filthy work." He alluded to the pay which the British volunteers receive because they enlist as mercenaries, Britain having no compulsory general military service. Before I witnessed this awful thing at Landen, Germans in the train had already told me that they simply killed any British whom they made prisoners. Others said that such a thing did not happen in their division, but one man contended that by his company already twenty-six had been killed. I did not believe them, and thought that they were better than they pretended to be. 更多 »
TWO:
TWO:
TWO:Somethings gone wrong! Dick yelled. Shes out of control!
TWO:250
TWO:By sheer habit she looked at the label. It was the same, and not the same. Hetty stifled a cry of surprise. She had made no mistake before--of that she was certain. Then what could possibly have happened? Somebody had crept into the room in her absence and changed the bottles!"You wished to speak to me," said Gordon. "Pray sit down."
TWO:As far as Bilsen everything seemed equally deserted,176 but quite near the town a couple of German soldiers suddenly came to me from behind a house, and ordered me to stop. They took me with them to the guard, which was established in the aforementioned house.
TWO:It would be inferred that the arrangement of these double acting hammers must necessarily be complicated and expensive, but the contrary is the fact. The rams are simply two masses of iron mounted on wheels that run on ways, like a truck, and the impact of the hammers, so far as not absorbed in the work, is [114] neutralised by each other. No shock or jar is communicated to framing or foundations as in the case of single acting hammers that have fixed anvils. The same rule applies in the back stroke of the hammers as the links which move them are connected together at the centre, where the power is applied at right angles to the line of the hammer movement. The links connecting the two hammers constitute, in effect, a toggle joint, the steam piston being attached where they meet in the centre.But Lawrence would not hear of anything of the kind. He would like to have his tea out in the garden if Hetty would fetch it for him. Hetty came back presently, and handed the tea to her uncle. He hardly dared to look at her, but a smile on her lips told him she had succeeded. As he left the house presently Hetty followed him out. She nodded significantly.
TWO:8. The expense of the appliances of distribution and their maintenance.

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She clutched at the handle of her sunshade passionately as a society leader responded to Bruce's uplifted hat by a cold stare.That-there certainly is queer, he commented. Youre right. Gum is stuck every place, wads of it.Considered as means for transmitting power, the contrast as to advantages and disadvantages lies especially between belts and gearing instead of between belts and shafts. It is true in extreme cases, such as that cited at Crewe, or in conveying water-power from inaccessible places, through long distances, the comparison lies between belts and shafts; but in ordinary practice, especially for first movers, the problem as to mechanism for conveying power lies between belts and gear wheels. If experience in the use of belts was thorough, as it is in the case of gearing, and if the quality of belts did not form so important a part in the estimates, there would be but little difficulty in determining where belts should be employed and where gearing would be preferable. Belts are continually taking the place of gearing even in cases where, until quite recently, their use has been considered impracticable; one of the largest rolling mills in Pittsburg, Pennsylvania, except a single pair of spur wheels as the last movers at each train of rolls, is driven by belts throughout.
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