A , B — Two furnaces . C — Tap - holes of furnaces . D — Forehearths . E — Their tap - holes . F — Dipping - pots . G — At the one furnace stands the smelter carrying A WICKER BASKET FULL OF CHARCOAL . At THE OTHER FURNACE STANDS A SMELTER WHO WITH THE THIRD HOOKED BAR BREAKS AWAY THE MATERIAL…
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