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ENGLISH XV982ĺ©Ō„julia4. The loss of power by friction and angles in conducting air through pipes."What?"
The main point in hardening and the most that can be done to avoid irregular contraction, is to apply the bath so that it will act first and strongest on the thickest parts. If a piece is tapering or in the form of a wedge, the thick end should enter the bath first; a cold chisel for instance that is wide enough to endanger cracking should be put into the bath with the head  downward.On the afternoon of the 23rd the hostile troops entered the town, and on that day the inhabitants had not to suffer, excepting from requisitions made. But the following evening it was suddenly on fire at various spots, and the soldiers began to shoot in all directions, making many victims. Before setting the houses on fire, with a liberal use of the lozenges mentioned already, the usurpers ransacked them and removed numerous pieces of valuable furniture. The Place d'Armes, the Place Lopold, the Rue St. Nicolas, Rue Rogier, and the Avenue de la Plante were almost entirely reduced to ashes. With the town-hall many valuable pictures were destroyed. The day following the conflagration they left off shooting at last, but the looting went on for days more.The town was on fire, and ruddy smoke hovered over it. Deserted like a wilderness, not a soul moved in the streets. The first street I entered was the Rue de la Station. Large, imposing mansions used to stand here, but the devouring fire consumed even the last traces of former greatness.
Cutting, as a process in converting material, includes the force to propel cutting edges, means to guide and control their action, and mechanism to sustain and adjust the material acted upon. In cutting with hand tools, the operator performs the two functions of propelling and guiding the tools with his hands; but in what  is called power operations, machines are made to perform these functions. In nearly all processes machines have supplanted hand labour, and it may be noticed in the history and development of machine tools that much has been lost in too closely imitating hand operations when machines were first applied. To be profitable, machines must either employ more force, guide tools with more accuracy, or move them at greater speed, than is attainable by hand. Increased speed may, although more seldom, be an object in the employment of machinery, as well as the guidance of implements or increased force in propelling them. The hands of workmen are not only limited as to the power that may be exerted, and unable to guide tools with accuracy, but are also limited to a slow rate of movement, so that machines can be employed with great advantage in many operations where neither the force nor guidance of tools are wanting."I can hear quite well that you are German, and if you were a Netherlander you would not venture on a bike at this moment. If you come here to seize my bikes, I'll deliver them, for I cannot do anything against that, but I refuse to sell them of my own free-will.""Von Buelow."
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The effect of tempering baths is as their conducting power; chemicals except as they may contribute to the conducting properties of a bath, may safely be disregarded. For baths, cold or ice water loaded with salt for extreme hardness, and warm oil for tools that are thin and do not require to be very hard, are the two extremes outside of which nothing is required in ordinary practice.Upon entering the shop, a learner will generally, to use a shop phrase, "be introduced to a hammer and chisel;" he will, perhaps, regard these hand tools with a kind of contempt. Seeing other operations carried on by power, and the machines in charge of skilled men, he is likely to esteem chipping and filing as of but little importance and mainly intended for keeping apprentices employed. But long after, when a score of years has been added to his experience, the hammer, chisel, and file, will remain the most crucial test of his hand skill, and after learning to manipulate power tools of all kinds in the most thorough manner, a few blows with a chipping hammer, or a half-dozen strokes with a file, will not only be a more difficult test of skill, but one most likely to be met with.Andenne offered a dismal spectacle. The doors and windows of the houses that were not completely burned down had been kicked and beaten to pieces, and boards had been nailed before the holes. The inhabitants hung about disconsolately, and I could tell by their faces how they suffered, for every family in the town mourned the death of one dear to them.
82All houses were on fire, and every now and then walls fell down with a roar of thunder, shrouding the greater part of the street in a thick cloud of suffocating smoke and dust. Sometimes I had to run to escape from the filthy mass. On several walls an order was written in chalk directing the men to come to the market-place to assist in extinguishing the fire, and the women to stay indoors. As soon as the order had been obeyed the Germans drove the men from the market to the station, where they were packed in trucks like cattle.
The attitude of all the soldiers changed immediately; they looked at me with angry eyes, and from time to time I heard hostile remarks. Whenever I did not walk quickly enough or turned a little to the right or the left, my escort pulled me roughly by the arm. All the same I took the case as coolly as possible, fully convinced that the commanding officer would release me after a superficial examination.In making notes, as much as possible of what is written should be condensed into brief formul?, a form of expression which is fast becoming the written language of machine shops. Reading formul? is in a great degree a matter of habit, like studying mechanical drawings; that which at the beginning is a maze of complexity, after a time becomes intelligible and clear at a glance.
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5. As the strength of shafts is determined by their size, and their size fixed by the strains to which they are subjected,  strains are first to be considered.The German authority left indeed no effort untried to cover up their atrocious action. Already in a communication from Wolff, dated August 29th, they attempted to violate the truth by asserting that:The lathe as a tool for producing heliacal forms would occupy a prominent place among machine tools, if it were capable of performing no other work; the number of parts of machinery which have screw-threads is astonishing; clamping-bolts to hold parts together include a large share of the fitting on machinery of all kinds, while screws are the most common means for increasing power, changing movements and performing adjustments.
"Major Von Bassewitz.""1. The Right Rev. Rutten, bishop of Lige.CHAPTER II
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