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Scientific American, Vol. 17, No. 7 (1867) (1867)

leaf 3

An illustration from Scientific American, Vol. 17, No. 7 (1867), 1867, leaf 3
s to the sodium yielding nature. And sometimes after the well has been dug that the fragment cannot swim, or when the water is thick- vapor. and walled up,the inflowing of quicksand keeps the water In the cut, A A A A is the plumbago jacket inserted in the ened with gum to prevent it from moving… … sand or fine gravel, the outer one will yield the fluid, but in certain point, but, after being ground up with the ore fora will not last longer-than twenty minutes without getting perhaps a less pure state. In fact, by the use of the side tap, prolonged period, becomes what the miners call…

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