Ashton, M.C.Buhr, R.K.2011-06-072011-06-071993http://hdl.handle.net/10625/46196Supplement material to 2 video cassettes: Direct observation of the flow of molten steel in sand molds; Observación directa del proceso de colada de acero en moldes de arenaText1 v. (various pagings)enSTEELCASTINGSINDUSTRIAL ENGINEERINGINDUSTRIAL DESIGNRAW MATERIALSSANDLATIN AMERICADirect observation of the flow of molten steel in sand moldsHorizontal gating systems for steel casting (part 1)Vertical gating systems for steel casting (part 2)Working Paper