BOOK IX. 



415 



A — Furnace. B — Its tap-hole. C— Forehearth. D— Its tap-hole. E — Slags. 



F— Scraper. G— Dipping-pot. H— Walls of the chimney. I— Broom. 

 K— Copper plate. L— Latticework bars. M— Iron seal or die. N— Hammer. 



