cause surface or skin cracks. Sub- sequently, as the metal within solidifies refining is taking place, and when the charge is ready, it is poured into large from the outside inwards, its tendency ladles placed on cars which can be run is to form cavities along the upper por- tion of the central… … SOLID INGOT OF FLUID COMPRESSED STEEL, BEFORE BORING, USED FOR MAKING THE FORGED FIELD RING OF ONE OF THE LARGE NIAGARA ELECTRTC GENERATORS. LENGTH, 197 INCHES. DIAMETER, 54 INCHES. WEIGHT, 120,000 LBS.
Engineering
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