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Scientific American, Vol. 57, No. 17 (1887) (1887)

leaf 8

An illustration from Scientific American, Vol. 57, No. 17 (1887), 1887, leaf 8
— kind of sluice gate and a board with perpendicular row Refining of Fuller’s Earth. of holes, about two inches in diameter, stopped by Until about three years ago the valley which lies be- tween the village of Combe Down and Midford Castle, wooden pegs, so that when the sediment has sunk below any… … Along the slope of the hill at the upper end lay rich and perfectly pure and drinkable state and very soft. Then, article, he is not only apt to find that the cloth to which it is applied is damaged by the presence of foreign as it still gradually settles, another peg is removed, and fretile…

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