The Mine Or Sketches of the Mines of Different Countries the Modes of Working
The book The Mine Or Sketches of the Mines of Different Countries the Modes of Working was written by author Isaac Taylor Here you can read free online of The Mine Or Sketches of the Mines of Different Countries the Modes of Working book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Mine Or Sketches of the Mines of Different Countries the Modes of Working a good or bad book?
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180 OPERATIONS TO OBTAIN GOLD. Which, having a strong attraction for gold, fastens upon every particle of it, and draws it away from whatever it had been attached to. When the gold is thus amalgamated with the quicksilver, a full stream of water is let into the vessel, which carries with it the lighter matters, earth, &, c. , and leaves at the bottom the heavy metal : the amalgam, thus cleansed, is squeezed in a cloth ; much of the quicksilver is thus forced out, and the remainder is driven off... by fire, which leaves the gold pure. When the miners suspect gold to be in the bed of a river, they turn the stream away from those spots in which they conceive it may lie. Then they loosen the bottom of the river, by digging ; and in this loosened state the soil is easily washed off by the current, which is let in suddenly for the purpose ; and a stiff earth remains in which the gold is concealed. The GOLD WASHING IN MEXICO. 182 OPERATIONS TO OBTAIN GOLD. Waters are again turned off, and the workmen dig up this earth, which they carry away to the lavaderos, or washing places.
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