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Scientific American, Vol. 83, No. 19 (1900) (1900)

leaf 8

An illustration from Scientific American, Vol. 83, No. 19 (1900), 1900, leaf 8
hat Rookwood is lim- not replaced by heavy ones, and an accident like the one earbon-carbon contacts. He has also found them to ited to a warm yellow or red tone, for even dark pieces shown in the engraving is not a rare occurrence. An be preferable to wire and an electrolyte contacts, and have… … transmitter in a cylindrical quality, since the object of parabolic mirror, which re- the artisan is to approach as volves, and by this means near as may be to the point of perfect vitrification in this instance. A heavily loaded train of thirty or radiates the Hertzian waves successively in all…

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