. The Iron and steel magazine. FiG. 24. Cu,eo%;Zn,; Al, .5%.Magnified 50 diam. Fig. 25. Cu,6o%; Zn,36%; Al, 4%.Magnified 50 Fig. 26. Cu, 60%; Zn, 34%, Al, 6%.Magnified 50 diam.

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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectiron, bookyear1898