. Pittsburgh and Allegheny in the centennial year . jUi/ ^. o O <1 O In the Centennial Year. 1J*3 At tlie jireseiit time the _^crucibles are made tlom pliuiil/ago chieily. Theseexperimenters in the manufacture of American cast steel, althougli producing itto a considerable extent, failed to make a tirst-class arxicle, although that madewas suitable for many purposes. The material Jised was Juniata bloom is proper here to remark, however, that at that early day in the series of in-vestigations and experiments going on among Pittsburgh manufacturers, to theend of obtaining a first-cla


. Pittsburgh and Allegheny in the centennial year . jUi/ ^. o O <1 O In the Centennial Year. 1J*3 At tlie jireseiit time the _^crucibles are made tlom pliuiil/ago chieily. Theseexperimenters in the manufacture of American cast steel, althougli producing itto a considerable extent, failed to make a tirst-class arxicle, although that madewas suitable for many purposes. The material Jised was Juniata bloom is proper here to remark, however, that at that early day in the series of in-vestigations and experiments going on among Pittsburgh manufacturers, to theend of obtaining a first-class article of cast steel from native irons, the failureto obtain from any particular iron the higher grade of steel, or an occasionalsuccess, cannot be properly placed to the demerit or the credit of such irons asunsuitable or desirable, for the manufacture of steel. The isolation of Pitts-burgh from labor skilled in that line of treating metals, and various other diffi-culties arising from the same cause, made the production of a bar of goodquality more


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Keywords: ., bookcentury1800, bookdecade1870, bookidpittsburghal, bookyear1876