BOOK XI
3
m
Crucible. B—Board. C—Wedge-shaped bar. D—Cakes of copper made by
SEPARATING THEM WITH THE WEDGE-SHAPED BAR. E —TONGS. F—TUB.
BOOK XI
3
m
Crucible. B—Board. C—Wedge-shaped bar. D—Cakes of copper made by
SEPARATING THEM WITH THE WEDGE-SHAPED BAR. E —TONGS. F—TUB.