1open41.
If there is a large amount of silver in the ore it is run into the
fore
hearth, and the greater part of the silver is absorbed by the molten lead, and
the remainder is sold with the copper to the proprietor of the works in which
silver is parted from copper42. If there is a small amount of silver in the ore,
no lead is put into the forehearth to absorb the silver, and the above
hearth, and the greater part of the silver is absorbed by the molten lead, and
the remainder is sold with the copper to the proprietor of the works in which
silver is parted from copper42. If there is a small amount of silver in the ore,
no lead is put into the forehearth to absorb the silver, and the above