Show wrought wr ought iron from ore I 1 wro wrought aught iron is not com commonly motil apro produced direct from the oro ori but it n california call metallurgist using petroleum as fuel claims to avoid the tl p usual troubles and to obtain pure iron it a much lleduc i deduced educed ed cost the ore ater after grinding to pass pas through a sixteen mesh sieve Is mixed with some heavy oil such as asphaltum the mixture is milide made into cylinders each of a size to yield i about pounds of reduced iron ifon and these leof au cylinders are placed in the furnace and gradually heated to tile the welding point of the iron then taken out and compressed into blooms A little sill cate rock is added to give slag enough to hold the miss mass together to avoid the great cliff culty in previous processes process eg ri a ins 1119 at atmosphere mo sphere is maintained in the I 1 furnace t 1 and the bloom li Is compressed i before entirely rc from the fur tiace the time for heating beating through and reducing Is given as tour four or tive hours |