. Transactions . ngd by American Bank Note York rransacttons of the American [nstltlte of Mining I ragtm , ill di -- 4j Plate GENERAL ARRANGEMENTOF CLAPP-GRIFFITH STEEL PLANT .A/a. P, Witherowj Engr* inch -20 feet THE HEINE SAFETY-BOILER. 941 will be colored according to the depth of the chill which the ironwill take if it be melted and poured against a chilling surface. Thedeeper the color the greater the chill. By this test I was able topredict, before an iron was used, how deep a chill it would give. Ithink this certainly proves that silicon and carbon do exist in formswhich exe
. Transactions . ngd by American Bank Note York rransacttons of the American [nstltlte of Mining I ragtm , ill di -- 4j Plate GENERAL ARRANGEMENTOF CLAPP-GRIFFITH STEEL PLANT .A/a. P, Witherowj Engr* inch -20 feet THE HEINE SAFETY-BOILER. 941 will be colored according to the depth of the chill which the ironwill take if it be melted and poured against a chilling surface. Thedeeper the color the greater the chill. By this test I was able topredict, before an iron was used, how deep a chill it would give. Ithink this certainly proves that silicon and carbon do exist in formswhich exert great influence on certain properties of cast-iron, and,if they do in pig-iron, why should they not in steel? F. Firmstone, Easton, Pa. (Communication to the Secretary):When vol. xiii. of the Transactions was printed, I was not able torefer to my authority for the statements I made at the New Yorkmeeting in February, 1885, as to the early history of the Bessemerprocess (Transactions, vol. xiii., p. 770). I have since found it inJour. Iron and Steel Inst., 1880, ii., p. 573. This does not quite bear out what I said, viz.: that th
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
