. Transactions. Fig. .4.—Anneal I. Hottest pot inmill furnace. X Fig. 5.—Anneal II. Coolest pot inmill furnace. X 100. Specimens were etched with 5 per cent, nitric acid in alcohol. ARTHUR PHILLIPS AND E. S. DAVENPORT -169 Table I summarizes what seem to be the most significant and valuabledata available. The results of Schwartz and Bean are of especial interest as they wereobtained, presumably by Schwartz and without doubt by Bean, onmaterial of normal composition from the viewpoint of the manufactureof malleable castings. Schwartz results, admittedly, were lacking inprecision, and are,


. Transactions. Fig. .4.—Anneal I. Hottest pot inmill furnace. X Fig. 5.—Anneal II. Coolest pot inmill furnace. X 100. Specimens were etched with 5 per cent, nitric acid in alcohol. ARTHUR PHILLIPS AND E. S. DAVENPORT -169 Table I summarizes what seem to be the most significant and valuabledata available. The results of Schwartz and Bean are of especial interest as they wereobtained, presumably by Schwartz and without doubt by Bean, onmaterial of normal composition from the viewpoint of the manufactureof malleable castings. Schwartz results, admittedly, were lacking inprecision, and are, undoubtedly, low; Beans values are fairly consistentwith the results of earlier investigators, particularly Hague and Turner. In order to obtain additional data, the writers made careful deter-minations on white cast iron and commercial malleable iron; the malle-ableized specimens showed no combined carbon and apparently hadbeen properly and thoroughly annealed. The specimens were of thefollowing compositions: White oast Sulfur,Per Cent.


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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries