1covered with lids a digit thick, and they are
smeared over on the inside with
liquid litharge, and on the lid are placed heavy stones. The pots are set on
the furnace, and the ore is heated and similarly exhales quicksilver, which
fleeing from the heat takes refuge in the lid; on congealing there, it falls
back into the ashes, from which, when washed, the quicksilver is collected.
liquid litharge, and on the lid are placed heavy stones. The pots are set on
the furnace, and the ore is heated and similarly exhales quicksilver, which
fleeing from the heat takes refuge in the lid; on congealing there, it falls
back into the ashes, from which, when washed, the quicksilver is collected.
A—POTS. B—LIDS. C—STONES. D—FURNACE.
By these five methods quicksilver may be made, and of these not one is
to be despised or repudiated; nevertheless, if the mine supplies a great
abundance of ore, the first is the most expeditious and practical, because a
large quantity of ore can be reduced at the same time without great expense.58
to be despised or repudiated; nevertheless, if the mine supplies a great
abundance of ore, the first is the most expeditious and practical, because a
large quantity of ore can be reduced at the same time without great expense.58