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ENGLISH 橘京香家男性漫画在线(1.) Why are machine frames constructed in sections, instead of being in one piece?(2.) Why must parts which have contact on opposite sides have specific dimensions?(3.) What are standards of measure based upon in England, America, and France?(4.) How can weight be measured by time?(5.) Has the French metre proved a standard admitting of test reference?
Details and sketches, when made on a separate sheet, should be to a larger scale than elevations. By changing from one scale to another the mind is schooled in proportion, and the conception of sizes and dimensions is more apt to follow the finished work to which the drawings relate.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."S?ur Eulalie!... S?ur Eulalie!... You ... you ... are a ... cousin ... of ... S?ur Eulalie?"
So at last the lock of the heavy door screeched, and I was admitted. I noticed that about a score of sisters had gathered behind the gate and were anxiously discussing the "strange occurrence." My meeting with S?ur Eulalie, however, was so cordial that the good nuns lost all anxiety, and I was taken inside accompanied by nearly all the inmates of the convent.It is not assumed that shaded elevations should not be made, nor that ink shading should not be learned, but it is thought best to point out the greater importance of other kinds of drawing, too often neglected to gratify a taste for picture-making, which has but little to do with practical mechanics.
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"Oh yes, the Netherlanders are our friends; they remain neutral. And that is the best, for otherwise the whole lot would be smashed up, exactly as here in Belgium."4. Mechanical drawings should be made with reference to all the processes that are required in the construction of the work, and the drawings should be responsible, not only for dimensions, but for unnecessary expense in fitting, forging, pattern-making, moulding, and so on.He was back in The Netherlands before me.
3. The vertical movement of material, although it consumes more power, is more economical than horizontal handling, because less floor room and ground surface is required.A difficulty which arises in hardening tools is because of the contraction of the steel which takes place in proportion to the change of temperature; and as the time of cooling is in proportion to the thickness or size of a piece, it follows, of course, that there is a great strain and a tendency to break the thinner parts before the thicker parts have time to cool; this strain may take place either from cooling one side first, or more rapidly than another.Pattern-makers have to thoroughly understand drawings, in order to reproduce them on the trestle boards with allowance for shrinkage, and to determine the cores; they must also understand moulding, casting, fitting, and finishing. Pattern-making as a branch of machine manufacture, should rank next to designing and drafting.
"Yes, all right, you may go, but we only want you to tell us what you know of this man."A drawing being inked in, the next things are tints, dimension, and centre lines. The centre lines should be in red ink, and pass through all points of the drawing that have an axial centre, or where the work is similar and balanced on each side of the line. This rule is a little obscure, but will be best understood if studied in connection with a drawing, and perhaps as well  remembered without further explanation.
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As we crossed the bridge, I asked my escort why these houses were set on fire. I heard then, for the first time, that "they had been shooting," and they told me of cowardly civilians, who shot from the windows at unsuspicious soldiers, or24 stabbed them treacherously. But of course they had experienced nothing of the kind; it had happened to troops who were now moving ahead. They had, however, taken part in the revenge, and told of it with glittering eyes: how they fired the houses of francs-tireurs and then shot the people who, nearly stifled, appeared at the windows; how in "holy" anger, in order to avenge their comrades, they subsequently entered the houses and destroyed everything. I did not answer, did not know what to think of it, but shuddered, because it was so gruesome.
Having pushed my way through the loafers, who stood waiting before the house, I was able to continue my journey to Maastricht.32
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