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Scientific American, Vol. 40, No. 4 (January 1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 40, No. 4 (January 1879), 1879, leaf 7
one of the hulls, and in the other is placed the one corner, by inserting a metal conductor for a moment be- carbon drops down into contact with the lower carbon. pump and engine for driving it. The upper level of the tween the two carbon edges. The arc once started continues When the distance… … EXCAVAT0R ON THE GHENT AND TERNEUZEN SHIP CANAL BELGIUM. © 1879 SCIENTIFIC AMERICAN, INC

Patents · Feet · Inches · Patented · Scientific American · Improved · Horse power · Face plate · Upper carbon · Sewing machine · Electric light · Mountain chains · Wrought iron · American supplement · Charing cross

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