1is in the copper
is mixed with the remainder of silver; the copper itself,
equally with the lead, will be changed partly into litharge and partly into
hearth-lead.19 The silver-lead alloy which does not melt is taken from the
margin of the crucible with a hooked bar.
equally with the lead, will be changed partly into litharge and partly into
hearth-lead.19 The silver-lead alloy which does not melt is taken from the
margin of the crucible with a hooked bar.
The work of “drying” is distributed into four operations, which
are
performed in four days. On the first—as likewise on the other three days—the
master begins at the fourth hour of the morning, and with his assistant chips
performed in four days. On the first—as likewise on the other three days—the
master begins at the fourth hour of the morning, and with his assistant chips
A—CAKES. B—HAMMER.
off the stalactites from the exhausted liquation cakes. They then carry the
cakes to the furnace, and put the stalactites upon the heap of liquation
thorns. The head of the chipping hammer is three palms and as many digits
off the stalactites from the exhausted liquation cakes. They then carry the
cakes to the furnace, and put the stalactites upon the heap of liquation
thorns. The head of the chipping hammer is three palms and as many digits
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