Utah Its Resources And Attractions 1901
Utah Its Resources And Attractions 1901
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The silver age of the district was complete, and years were to roll by before the cyanide process was to come and with its magic awaken the camp from its sleep and usher in the age of gold. In that elder day, when Lewiston was a silver camp, gold was known to exist there, but it resisted all processes of treatment until the autumn of 1890, when the cyanide of potassium reduced it to subjection. To this chemical process the world is indebted for the great production of the Transvaal, and to it i...s due the existence of Mercur camp. The process is a simple one. Even a child can understand it. Given ores in which the gold is deposited in very fine particles, it only remains to crush them to the size of coffee grains, place them in vats and subject them to the cyanide solution. This solution dissolves the gold. Then the solution is filtered through shav- ings of common zinc, to which the gold adheres. Then the gold and zinc are separated by fire, and that is all there is of it; and there you have the cy- anide process.
What to read after Utah Its Resources And Attractions 1901?
You can find similar books in the "Read Also" column, or choose other free books by Union Pacific Railroad Company to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The silver age of the district was complete, and years were to roll by before the cyanide process was to come and with its magic awaken the camp from its sleep and usher in the age of gold. In that elder day, when Lewiston was a silver camp, gold was known to exist there, but it resisted all processes of treatment until the autumn of 1890, when the cyanide of potassium reduced it to subjection. To this chemical process the world is indebted for the great production of the Transvaal, and to it i...s due the existence of Mercur camp. The process is a simple one. Even a child can understand it. Given ores in which the gold is deposited in very fine particles, it only remains to crush them to the size of coffee grains, place them in vats and subject them to the cyanide solution. This solution dissolves the gold. Then the solution is filtered through shav- ings of common zinc, to which the gold adheres. Then the gold and zinc are separated by fire, and that is all there is of it; and there you have the cy- anide process.
What to read after Utah Its Resources And Attractions 1901?
You can find similar books in the "Read Also" column, or choose other free books by Union Pacific Railroad Company to read onlineMoreLess
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