ine structure to which we have referred is is also a line of weakness, "."• the lines in which the crys- i«i ■ THE WEAK POINTS IN IRON CASTINGS. varied somewhat by the quality of tne metal UBed. but 1* tals assemble, in the syteais belonging to each surface, be- depends more directly upon the… … lines, in the direction in which the least pressure is exerted. all nearly parallel to When we define the direction of these lines as in the direc- each other, and the the center. When they meet in the middle they do not form tion of least pressure, we deal with pressure due to the mass absence of…
Patents · Cylinder · Consists · Center · Iron · Improved · Scientific American · Pivoted · Professor huxley · Postage included · Cast Iron · Left hand · Steam chest · Grand cash · Screw ring · Steam engine · National board
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