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. 



