which conjlitute Crude Iron and Steel. 



Grs. 



Collective weight of the iron and charcoal ufed 1067 

 Iron obtained - - grs. 960 



Charcoal remaining 65 



1025 



Total lofs in this experiment 



Exp, IV. Swedifh bar iron 



Charcoal 4th, or - grs. 122 



This mixture entered into fufion in nearly the 

 fame time as the former. There was found on 

 the furface of the metal a portion of very beau- 

 tiful carbon, which weighed - -40 



Loft of charcoal in fufion, equal to 67 T \ths 

 per cent. - - - 82 



The metallic button obtained mi this experiment was 

 fuperbly carbonated, and apparently formed an entire 

 mafs of carburet. It weighed 



Gained in weight by the union of carbon, equal to 

 $$-j%th part the firft weight of the iron 



Charcoal disappeared - * ' . 



Loft in the fufion 

 Original weight of the mixture - grs. 1099 

 Iron obtained - grs. 1020 



Charcoal remaining - 40 



1060 



42 

 977 



1020 



43 

 82 



39 



Total lofs in this experiment 39 



Exp. V. 



122 



Swedifh bar iron 



Charcoal ,Uh, or ■ - grs 



From this fufion was obtained a fupercarbonated 

 button of crude iron, upon the furface of which 

 was found of fine charcoal 25 



Loft of charcoal, equal to 80 per cent. 97 

 Compared with the former refults, the metal now 

 obtained was inferior in point of carbonation. Its 

 furface was fmooth, and of a dull lead colour; entirely 

 free from the ufual mining fpecks of carburet which 

 very rich crude iron contains upon its furface. It 

 weighed - - - - 



11 



H 



A3 



1168 



Gained 



