Show Wrought Iron Irn From Ore Wrought Iron Is not commonly produced pro pro- pro t ced direct from the ore but a n Cali Call Call- Cal Cal- i metallurgist using petroleum j i as ns fuel claims to avoid th the usual troubles troubles trou trou- bles ties and to obtain pure iron at a much I seduced educed cost The ore after atter ater grinding sixteen mesh iesh sieve to pass through a Is m mixed ed with wih some heavy oIl oil oil- such as The mixture re Is s made Into t A cylinders each each of a size to yield I ld abo about t 10 pounds of reduced Iron an and these thede cylinders rare are placed In Inthe the furnace nn and g gradually nh li heated to to the weld welding g J point ot of tho tte ron he taken Jaken out and andi i compress compressed d Into blooms A little sl- sl sill sill- cate rock Is added to give slag enough to hold th the uld mass together j. j To avoid the Ith tho great dim dim- cult culty In fn previous prevo processes a e n a reducing lag ing atmosphere Is mal maintained d in the furnace turna e and and anI t the blo bloon bloon I t g pressed before entirely removing n the fur fur- i naco The The time required for heating through ugh and ind r reducing Is given as four j five hours or C |