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Scientific American, Vol. 89, No. 25 (1903) (1903)

leaf 4

An illustration from Scientific American, Vol. 89, No. 25 (1903), 1903, leaf 4 — nced that physicists must enlarge their its sharpness, depends altogether upon the temper- When such terminals were separated a distance of experimental appliances in order to study electro-disso- ature at which it is hardened and tempered. four inches, a torrent’ of extremely bright sparks… … © 1903 SCIENTIFIC AMERICAN, INC

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