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ENGLISH my3ȫMachines are composed of parts connected together by rigid and movable joints; rigid joints are necessary because of the expense, and in most cases the impossibility, of constructing framing and other fixed detail in one piece.For quite a quarter of an hour they seemed to proceed successfully, as obviously not one shell exploded in their neighbourhood. But suddenly all along their line dark masses several yards high rose up. This was the effect of numerous exceedingly well-aimed shells on the dry, loose sand. Soon the men were surrounded by those thick clouds of dust, and only during the first few minutes I saw here and there one of those shades in human form tumble down, evidently hit by one of the projectiles. Then I saw nothing for a long while, excepting the thick wall of dust, which seemed to remain standing up, for constantly the shells threw up anew the earth that had only just fallen down.After driving through this scene of misery we158 entered Charleroi, and exactly at that moment one of the springs of my motor broke in two, which made the car useless. Charleroi seemed worse damaged than Namur. According to an official statement issued at the time, one hundred and sixty-five houses had been burned, among them many on the fine Boulevard Audent, the Saint Joseph Institute, the convent of the S?urs de Namur, and the adjacent ancient, miraculous little chapel of "Sainte Marie des Remparts."

That I was "wanted" is proved by the fact that two persons have had the greatest trouble because they were mistaken for the Mokveld-Correspondent of De Tijd. My colleague Kemper passed a fortnight in prison in Brussels, accused of having written various articles in De Tijd, which were written by me, and I relate, in the chapter "Round about Bilsen," what Mr. Van Wersch, another Netherlander, suffered for the same reason.

"Well, that is right enough. But, mind, don't say in your paper that you found troops here, and especially avoid telling which troops."This happened not only at Vis, but also at other places which I visited, more especially at Louvain. And those who read the following chapters carefully will find sufficient support for my opinion, that Belgium is innocent of the base charges and allegations uttered by Germany, which country soiled its conscience still worse, first by plunging the little kingdom into the direst misery, and then by accusing it falsely of crimes which it never committed.

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Fifth. The cost of special adaptation, and the usual inconvenience of fitting combination machines when their parts operate independently, often equals and sometimes exceeds what is saved in framing and floor space.135The combination of several functions in one machine, although it may not seem an important matter to be considered here, is nevertheless one that has much to do with the manufacture of machines, and constitutes what may be termed a principle of construction.

Modern engineers of the abler class are so thoroughly in accord in this matter of ornamentation, both in opinion and practice, that the subject hardly requires to be mentioned, and it will be no disadvantage for a learner to commence by cultivating a contempt for whatever has no useful purpose. Of existing practice it may be said, that in what may be called industrial machinery, the amount of ornamentation is inverse as the amount of engineering skill employed in preparing designs.CHAPTER IThere is, perhaps, no one who has achieved a successful experience as an engineer but will acknowledge the advantages derived from early efforts to generate original designs, and none who will not admit that if their first efforts had been more carefully directed, the advantages gained would have been greater.

It was a fantastic night. Trains arrived out of the foggy darkness, their screeching whistle resounding from the far distance, and when they steamed into the station a storm of noise arose. All these trains brought British prisoners of war, captured by the Germans at St. Quentin, and hundreds of German soldiers escorted the trains, which were all covered over with green branches, and looked like copse-wood sliding along the railroad. As soon as they rumbled into the station the escorts sang loudly their patriotic songs, and "Germany before all other!" ("Deutschland über Alles!") vibrated through the fog.

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Power-hammers operated by crank motion, adapted to the lighter kinds of work, are now commonly met with in the forging-shops of engineering establishments. They are usually of very simple construction, and I will mention only two points in regard to such hammers, which might be overlooked by an apprentice in examining them.I am well aware how far this opinion is at variance with practice, especially in England; yet careful observation in a workshop [140] will prove that power feed in ordinary drilling effects no saving of time or expense.

CHAPTER XXIV. TRIP-HAMMERS."I have been arrested."

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