| Show improvements IN MAKING STEEL it is IS said that thre have been but tw two 0 imp improvements roverne ants 4 in in the art of making this indispensable material 1 for a century past the albany journal observes mr air J JM AT heath discovered the effect of carburet of manganese to improve the quality of poor steel recently an austrian army officer capt perfected a new process of manufacturing it which promises to revolution the business his own government persuaded of the practicability of his method nas has enga engaged pd in making making 0 it at some of the imperial iron works works in all cases it proved to be equal to and in ma many manx ny superior to the more costly cast steel of i I 1 E england it is admitted to have a much hi higher gher degree of strength than steel made by any other method a property that will go far to bring 1 i into rapid and general favor the process of manufacturing as witnessed by a citizen of I 1 albany recently in paris and who is greatly greata y interested in such operations is thus described by him pig iron of the best quality was melted in an ordinary cupola furnace and then poured into a lar iare lare large e vessel of cold water and constantly i at stirred erred this granulated the iron and formed forme ll 11 it into particles about the size of course shot these grains were dried to prevent oxidation they were then put into a crucible and ani treated as blistered steel is treated at sheffield to produce cast steel excepting that very small proportions ro of the oxide of manganese ani ang and of pulverized iron ore were added to the grains of iron thrown inte into the crucible OTHE term volume is from volvo to roll the earliest manuscripts being in the tile form of a scroll or roll 10 learn to be obedient all saints |
