BOOK IX. 



387 



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A, B— Two FURNACES. C— FOREHEARTH. D— DIPPING- POTS. ThE MASTER STANDS AT 

 THE ONE FURNACE AND DRAWS AWAY THE SLAGS WITH AN IRON FORK. E — IRON FORK. 



F— Wooden hoe with which the cakes of melted pyrites are drawn out. G— The 



FOREHEARTH CRUCIBLE : ONE-HALF INSIDE IS TO BE SEEN OPEN IN THE OTHER FURNACE. 



H— The half outside the furnace. I— The assistant prepares the forehearth, 



WHICH IS separated FROM THE FURNACE THAT IT MAY BE SEEN. K — BaR. L — WOODEN 



rammer. M — Ladder. N — Ladle. 



