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    Software name: appdown
    Software type: Microsoft Framwork

    size: 214MB

    Lanuage:Englist

    Software instructions

      CHAPTER XXVII. COMPOUND HAMMERS.


      "Yes, sir," I replied, "excepting my pocket-knife."


      Whenever our escort fancied that they saw something, they stopped and called out to the supposed approaching persons: "Who goes there?" Some125times it was only some shrubs that they saw; at other times patrolling German soldiers. "Parole?" was asked: "Duisburg!" and after that answer they came nearer. At the station I was taken to an officer who sat at a table on the platform and had lit up his nearest surroundings by means of a paraffin-lamp. My little old man wept now so badly that he was quite unmanageable, and the officer made up his mind to get rid of him as quickly as possible.

      Among exceptions to the ordinary plans of constructing trip-hammers, may be mentioned those employed in the American Armoury at Springfield, U.S., where small hammers with rigid frames and helves, the latter thirty inches long, forged from Lowmoor iron, are run at a speed of 'six hundred blows a minute.' As an example, however, they prove the necessity for elasticity, because the helves and other parts have to be often renewed, although the duty performed is very light, such as making small screws."It is a pity, sir, that you did not arrive a day sooner, then you might have witnessed great barbarity of the Germans. If you walk on a little farther along the canal, you will see three persons hanging from a tree near Haccourt; one of these is a boy of fourteen. Nobody was allowed on the road, and as a patrol met these three persons, they concluded immediately that they were francs-tireurs, strung them up on the tree, without a trial of any sort, and in addition shot each a bullet through the head. To-day another patrol arrived and had the effrontery to tell the members of the Maastricht Red Cross that the boy had murdered a captain. And we are not allowed to remove the corpses. Horrible!... horrible!"

      Early next morning I walked through the streets of Lige, dull and depressed, deploring the fact that such clumsy, heavy iron monsters had been able to crush this stout defence and such men. As I reached the Place du March, there arrived three hundred disarmed Belgian warriors, escorted by a strong German force. They stopped in the square, and soon hundreds of the people of Lige crowded around them. They were the defenders of Fort Pontisse.(1.) If milling tools operate faster than planing or turning tools, why are they not more employed?(2.) How may the effect produced by cutting tools generally be computed?(3.) To what class of work are milling machines especially suited?(4.) Why do milling processes produce more accurate dimensions than are attainable by turning or planing?(5.) Why can some branches of manufacture be said to depend on milling processes?


      Professor Noyons took me all over the hospital, and if I should describe all I saw and heard there, that story alone would fill volumes. He took me, for example, to a boy of eight years old, whose shoulder was shattered by rifle-shots. His father and140 mother, four little brothers and a sister, had been murdered. The boy himself was saved because they thought that he was dead, whereas he was only unconscious. When I asked for his parents, brothers and sister, he put up his one hand and, counting by his little fingers, he mentioned their names.

      "The miserable behaviour of the men has been the cause that a non-commissioned officer and a private were seriously wounded by German ammunition.They told this, while we were waiting on a couple of protruding boards of the pontoon-bridge, so as to allow some extremely wide carts to pass. Once again shells exploded, a couple of hundred yards behind us, and one made a hole in the bank quite near.

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      A FEW words by way of introduction.Flat or plane joints nearly always admit of adjustment between the fitted surfaces; that is, the material scraped or ground away in fitting can be compensated by bringing the pieces nearer together; but parallel cylindrical joints cannot even be tried together until finished, consequently, there can be nothing cut away in trying them together. Tapering, or conical joints, can of course be trial-fitted, and even parallel fits are sometimes made by trial, but it is evident that the only material that can [149] be cut away in such cases, is what makes the difference between a fit too close, and one which will answer in practice.

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