Transactions . Fracture after Heating 36 min. to 680cC, and Cooling 44 min. to 300° Diameters.). Fracture after Heating 4<i min. to . 308 EFFECT ()F HEAT-TREATMENT ON CRUCIBLE STEEL. Fig. 5. Fia. 6. i t i , > Fracture after Heating 40 min. to 737°C, and Cooling 50 min. to 300° C.( Diameters.)

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries