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Scientific American, Vol. 40, No. 1 (1879) (1879)

leaf 4

An illustration from Scientific American, Vol. 40, No. 1 (1879), 1879, leaf 4
by two silk or asbestos cords from 4. If the salt solution is saturated with oxide of zinc the In this way the de- decomposition does not go any further, but the zinc oxide iments have been made in this direction, and others will be of the London Times newspaper. as they are wasted away. A curved… … The carbons, as they consume away, are made phosphates. Fig. 1—THE RAPIEFF ELECTRIC LIGHT. slowly to approach each other, so that the arc is The poisonous nature of zinc salts, even in always of the same width, and keeps its fixed small doses, renders the above research of more than ordinary…

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