Identifier: harpersnew72various (find matches)
Title: Harper's New Monthly Magazine Volume 34 December 1886 to May 1887
Year: 1887 (1880s)
Authors: various
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Publisher: New York: Harper & Brothers Publishers
Contributing Library: Brigham Young University-Idaho, David O. McKay Library
Digitizing Sponsor: Brigham Young University-Idaho

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casting, without seam orweld, 45 feet long and of 25 tons weight.Four men with long clamps managed thisred-hot mass, swung over the anvil by acrane. They turned it readily this wayand that, the foreman at each pause utter-ing a signal which Fritz understood,answering with a soft tap, or a gentlepressure, or with an earthquake. I wascurious to see the anvil-block which sup-plemented the ability of the earth to sus-tain such shocks through a length of time,and was presently shown one which, aftertwenty-one years of thumping, had crack-ed straight through from top to bottom—possibly beneath some gentle stroke whichwas the last feather to break its huge back.Krupp does not make plates for iron-clads,but only such parts as might be needed forordinary ships. Havinglitourcigars on the Austrian iron-clad, we proceed to observe the operations of Max and other hanmiers. One of these Isaw giving 300 tremendous strokes a min-ute. Max was engaged in weldinghard iron (though this is more ductile
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ALFRED KRUPP. f>04 HARPERS NEW MONTHLY MAGAZINE. than the other). To nice distinctions be-tween iron and iron Max is indifferent;his big- bow-legs arch above a tower ofpieces built on his anvil, and with crush-ing* blo^vs of his mighty fist he makes ahundred plates one. How^ever, thoughthey seem one and act together, in theend it will be proved that they are notone; no conceivable force can weld intoone different organizations of atoms. Tobe thoroughly united they must be filteredand refined in the crucible. The centralpart of railway wheels is made by welding,but the tires are made without welding.The nave of the wheel is of wrought iron,which is placed beneath a hammer of suit-able shape, and at tlie third blow the wheelis shaped. The tire is cut from a longround mass of steel—6 or 8 from one cast-ing—when it is called a cheese; it isflattened, punched in the centime with aneight-inch die, strung on a horse-anvil,and there beaten until it becomes a tire,and ready for the flut

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