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Fifth.Shrinkage; the allowance that has to be made for the contraction of castings in cooling, in other words, the difference between the size of a pattern and the size of the casting. This is a simple matter apparently, which may be provided for in allowing a certain amount of shrinkage in all directions, but when the inequalities of shrinkage both as to time and degree are taken into account, the allowance to be made becomes a problem of no little complication.

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I will, in connection with this subject of patterns and castings, suggest a plan of learning especially applicable in such cases, that of adopting a habit of imagining the manner of moulding, and the kind of pattern used in producing each casting that comes under notice. Such a habit becomes easy and natural in a short time, and is a sure means of acquiring an extended knowledge of patterns and moulding.
ONE:From Ostend I went a few days later to Thourout, a townlet to the north of the centre of the Yser-line. I was accompanied by two Netherland colleagues whom I had met at Bruges. Everything was quiet there; the commander of the naval region, Admiral von Schroeder, had made himself slightly ridiculous, by informing the population in a proclamation that he had ordered the British citizens in the coastal region to leave the country, in order to protect them from their fellow-countrymen of the British fleet, who, by bombarding Ostend, had endangered their lives.Here, in reference to teaching science, and by an authority which should command our highest confidence, we have a clear exposition of the conditions which surround mechanical training, with, however, this difference, that in the latter "demonstration" has its greatest importance.

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THREE:X.

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THREE:Nobody replied. They were all under her own roof, they had all enjoyed her hospitality times out of mind, but not one of them was prepared to lend her money. And Leona had had a fearful run of luck lately. Out of all those dainty smiling friends of hers seated round that table there was not one who did not hold her I.O.U. for considerable sums of money. She was beginning to be talked about. That very morning in the Park a well-known society leader had ignored her until recognition was forced upon her by sheer audacity.Bruce walked home slowly and thoughtfully. The sound of a church clock striking the hour of one came vaguely to his ears. As a matter of fact he was more disturbed by Hetty's disclosures than he cared to admit. Hetty was not in the least given to hallucinations, and, after all, there was something mysterious about Countess Lalage. Still, she was so rich, and she was a favoured guest in some of the best houses.

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  • FORE:To attempt a generalisation of the operations of the fitting shop in this manner may not seem a very practical means of understanding them, yet the application will be better understood as we go farther on.

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  • FORE:

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  • FORE:As a rule, ornament should never be carried further than graceful proportions; the arrangement of framing should follow as nearly as possible the lines of strain. Extraneous decoration, such as detached filagree work of iron, or painting in colours, is [159] so repulsive to the taste of the true engineer and mechanic that it is unnecessary to speak against it.

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  • FORE:

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THREE:There it appeared that my papers were in good order, but at the same time I was informed that I was to be taken to the commanding officer at the station and could not be allowed to leave Bilsen for the present. I was escorted through the townlet, which appeared to be entirely deserted; but now and then somebody came to his front-door to watch the latest victim of the Germans being led past. At the station I was pushed without much courtesy into a keep where six other civilians sat, who had been picked up as being at large, and whose faces were now covered with a cold perspiration from fear, because they were firmly convinced that by and by they would be shot.

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10JUNE2015

FORE:It was all so simple and natural that Leona Lalage could say nothing for a moment. The stranger was standing up searching his pockets wildly. His eyes gleamed with hatred and defeat and baffled avarice. He knew that he had been made the victim of some trick, but there was no name for it yet.

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20JUNE2015

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10APRIL2015

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20APRIL2015

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THREE:"Well, sir, not much beyond what you are sure to know already: that Japan declared war against Germany; that the Russians invaded Germany; that the French gained some important victories in Alsace; that the German fleet lost some ships...."

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  • Ms.Alor Ayyer Tagline

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Besides this want or difference of facilities which establishments may afford, there is the farther distinction to be made between an engineering establishment and one that is directed to the manufacture of staple articles. This distinction between engineering-works and manufacturing is quite plain to engineers themselves, but in many cases is not so to those who are to enter as apprentices, nor to their friends who advise them. In every case where engagements are made there should be the fullest possible investigation as to the character of the works, not only to protect the learner, but to guard regular engineering establishments in the advantages to be gained by apprentice labour. A machinist or a manufacturer who employs only the muscular strength and the ordinary faculties of workmen in his operations, can afford to pay an apprentice from the beginning a fair share of his earnings; but an engineering-work that projects original plans, generates designs, and assumes risks based upon skill and special knowledge, is very different from a manufactory. To manufacture is to carry on regular processes for converting material; such processes being constantly the same, or approximately so, and such as do not demand much mechanical knowledge on the part of workmen.Its the amphibian, and no mistake! Larry cried, running down the beach toward the titled craft.6. To meet the conditions of rotation in the wheel, and to facilitate the escape of the water without dragging, after it has expended its force upon the vanes, the reversed curves of the turbine is the best-known arrangement.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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