2021-04-17 09:39:48

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ENGLISH 5. The obvious means of attaining this independent movement of the valve gear, is by the momentum of some part set in motion by the hammer-drop, or by the force of gravity reacting on this auxiliary agent.Many shops were closed on account of lack of stock, as everything had been requisitioned, and as yet no traffic was allowed to bring in fresh pro109visions. All this bother made the inhabitants discontented, but frightened them at the same time; they grumbled and whispered, and looked about with malicious, flaming eyes, but in mortal fear.

"On which paper?"

"Are they at a great distance from here?""But are you sure? Where are the French now, and where did the British land?"

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The second includes what is called threading in America and screwing in England. Machines for this purpose consist essentially of mechanism to rotate either the blank to be cut or the dies, and devices for holding and presenting the blanks.4. The loss of power by friction and angles in conducting air through pipes.But the inhabitants were treated even then in a most vexatious manner, and on August 14th (the destruction came about on the 16th) I wrote to De Tijd (No. 20457):

At seven o'clock in the morning I was taken to the commanding officer, and was glad to see him again. He jumped up immediately and came to me with a charming smile, when I pointed to my escort and explained that I was a prisoner.I shall never forget that sight. The Meuse separated me from the raging blaze on the opposite bank. The flames roared violently, roofs and rafters and walls crashed down, and the wood of living trees was burning and screeching loudly. I saw but a sea of fire, one glaring glow, and the air was scorchingly hot. A light breeze blew through the place, and made clouds of smoke to whirl through the streets like avalanches of snow. The view down the longer streets leading straight from the hill-tops to the Meuse was very fantastic.

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Fourth.Cores, where used, how vented, how supported in the mould, and I will add how made, because cores that are of an irregular form are often more expensive than external moulds, including the patterns. The expense of patterns is often greatly reduced, but is sometimes increased, by the use of cores, which may be employed to cheapen patterns, add to their durability, or to ensure sound castings.Tangent wheels and spiral gearing have only what is termed line contact between the bearing surfaces, and as the action between these surfaces is a sliding one, such wheels are subject to rapid wear, and are incapable of sustaining much pressure, or transmitting a great amount of power, except the surfaces be hard and lubrication constant. In machinery the use of tangent wheels is mainly to secure a rapid change of speed, usually to diminish motion and increase force.

121Great crowds walked the long way to Tirlemont. They were constantly threatened by German soldiers, who aimed their rifles at them; passing officers commanded from time to time that some should stay behind, and others were shot. Especially did the clerics amongst the refugees suffer a great deal;145 many were not only scandalously scoffed at, but also maliciously injured. The greater part of the Germans showed a strong anti-Catholic bias, in particular against the clergy, whom they accused of having incited the people against them.Marine and railway engineering have engrossed the best talent in the world; investigation and research has been expended upon these subjects in a degree commensurate with their importance, and it would be hard to suggest a single want in the many able text-books that have been prepared upon the subjects. Marine and railway engineering are sciences that may, in a sense, be separated from the ordinary constructive arts, and studied at the end of a course in mechanical engineering, but are hardly [61] proper subjects for an apprentice to take up at the beginning.

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