278 Miscellaneous Intelligence. 
VY. MISCELLANEOUS SCIENTIFIC INTELLIGENCE. 
the Manufacture of Cast Steel ; its Progress and Employment 
as @ substitute for Wrought Iron; by H. Besstmer.—This important 
paper, which will be printed im extenso in the annual volume, opened 
out at some length how the disadvantage of the old fixed converting ves- 
sel was remedied, and other improvements introduced. In 1839 the trade 
of Sheffield received an enormous impulse from the invention of Josiah 
tar or other carbonaceous sass into ror crucibles aivag with: the blis- 
ter he it would do as W wid be m he eaper than the carburet of 
patent, and so the good people of Sheffield, after many years of ie ee 
were allowed to use it without remuneration to the inventor. Man nganes 
ars i 
paper on the aubject estan tie 1856, led to great expectations 
iron, under the patent, were purchased by ironmasters to the extent of 
25,0004. in less than zh y-five wd from the reading of the Chelten- 
the imo oie 
ang Fe rece new, sit ite eid > the Mot a is new roe 
