

BLAST FURNACE DIAGRAM. 



ll.-.-itm/. 



Koiluctinii. 



Limestone. 



Absorption. 



Ditto. 



VERY BR! CHT RED 



Fio. 2. BLAST FUBNACK. 

 Excerpt Jour. Chem. Soc., 1873.) 



Fusion. 



Flui.l Slag. 

 Fluid Pig Metal. 



