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Every one remembers the classification of water-wheels met with in the older school-books on natural philosophy, where we are informed that there are three kinds of wheels, as there were "three kinds of levers"namely, overshot, undershot, and breast wheelswith a brief notice of Barker's mill, which ran apparently without any sufficient cause for doing so. Without finding fault with the plan of describing water-power commonly adopted in elementary books, farther than to say that some explanation of the principles by which power is derived from the water would have been more useful, I will venture upon a different classification of water-wheels, more in accord with modern practice, but without reference to the special mechanism of the different wheels, except when unavoidable. Water-wheels can be divided into four general types.

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It was stated later on that the German authorities punished the culprits and had them executed at Aix-la-Chapelle; De Tijd of August 31st, 1914, also reported it. But the action of these soldiers was not worse than that of generals who had entire cities destroyed and civilians killed by the hundred, but were always screened by the German Government."Leon Lalage."But, Sandy clung obstinately to his theories, why did Jeff pick this haunted place and cut the ignitionand why was the door up in the first place? このページの先頭です
ONE:Lige now loomed up in the distance, and the nearer I got, the more civilians I met. They all wore a white armlet, and walked timidly and nervously by the side of the road or street, starting at39 each thunder-clap of the guns. Near the entrance to the town a small crowd stood on one of the hills, looking at a flying-machine moving from fort to fort and over the city, obviously investigating the effect of the German siege-guns.
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THREE:By assuming this or any other well-proved example, and estimating larger or smaller shafts by keeping their diameters as the cube root of the power to be transmitted, the distance between bearings as the diameter, and the speed inverse as the diameter, the reader will find his calculations to agree approximately with the modern practice of our best engineers. This is not mentioned to give proportions for shafts, so much as to call attention to accidental strains, such as winding belts, and to call attention to a marked discrepancy between actual practice and such proportions as would be given by what has been called the measured or determinable strains to which shafts are subjected.
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THREE:Lawrence remarked that he would make it his business to step round to Frampton's without delay. It was just possible that he had not squeezed all the information that he wanted out of Prout.
This man might be in cahoots with Jeff, and Sandy was determined not to take Jeff, or anyone else, at face value too readily."Only tell me," Hetty exclaimed. "Poor woman! What is the address?"187This fine large village, actually a suburb of Lige, was quite deserted, not a living being was to be seen. I entered shops and cafs, called at the top of my voice, but got no reply anywhere. I was inclined to believe that everybody had fled. And they would have been quite right too, for huge columns of smoke rose up from the heights around the place, four or five in a row, after a booming and rolling peal like thunder had seemed to rend the sky."Was he murdered?" came the hoarse whisper.
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