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Scientific American, Vol. 87, No. 7 (1902) (1902)
leaf 9
ay be every conceivable direction. You see everywhere: tration, is of the simplest order, comprising a number rapidly and successively delivered to the firing cham- now sharp, zigzag flashes, now circular, like myriads of spring fingers secured at their inner ends to a body ber and exploded. of… … movements so convulsive that it can hardly be seen as endures. © 1902 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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