00675cam a2200193I  4500008004100000100002000041245018900061250002200250260004300272300003500315500002000350650002200370700002400392700002100416700001700437003000100454005001700455040000900472                                          aStrokes , Ralph02aA text-book of Rand metallurgical practice,bdesigned as a "working tool" and practical guide for metallurgists upon the Witwatersrand and other similar fields,cRalph Strokes....etal.  a3rd ed (revised).  aLondon :bC. Griffin & Company,c1926.  axiii ,564p. : bill. ;c24 cm.  aIncludes Index. 0aGoldxMetallurgy.1 aStokes, Ralph S. G.1 aThomas, James E.1 aSmart, G. O.20230123134429.0  cNUST