BOOK IX. 



389 



A, B — Two FURNACES. C — Tap 



HOLES OF FURNACES. D— FoREHEARTHS. E— TheIR 



Iwrr^pp .™""'"''°^'- ^~^'' ™^ °^^ FURNACE STANDS THE SMELTER CARRYING 

 tiTH T^P ril. "- °^ ^«^«^°AL- At the OTHER FURNACE STANDS A SMELTER WHO 



HoIe OF THP PHPM'^^f ° BAR BREAKS AWAY THE MATERIAL WHICH HAS FROZEN THE TAP- 

 WHICH rs A .nv I?. H-HOOKED BAR. I-HeAP OF CHARCOAL. K-BaRROW ON 



WHICH IS A BOX MADE OF WICKER WORK IN WHICH THE COALS ARE MEASURED. L— IrON 



spade. 



