Kettle Tender Ii
Overall rating: (N/A)
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Tends gas-fired kettle that remvoes gold, silver, and copper
from black mud: Shovels mud into kettle, and turns valve to
admit acid until mud is covered. Rakes mud to dsisolve gold and
silver. Ladles solution into water-filled settling tank to
precipitate gold and silver compoudns. Removes precipitates and
adds reagents to change their chemical composition. Heats
preicpitates in cupola furnace to extract gold and silver.
Ladles remaining mud into tank filled with water and admits
steam to dissolve copper.
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Kettle Tender II
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