. Transactions. Fig. -Etched with picric acid and magnified 120 diameters,lined and curved ferrite in evidence. Straight- 442 NEW OCCURRENCE OF PRO-EUTECTOID FERRITE. Fig. 13.—Etched with picric acid and magnified 240 diameters. Shows Wid-mannstattian texture and swirls of ferrite., CHARLES Y. CLAYTON 443 Fig.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries