BOOK IX. 



387 



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A, B TWO FURNACES. C FOREHEARTH. D DlPPING-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. 



