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Scientific American, Vol. 56, No. 7 (February 1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 56, No. 7 (February 1887), 1887, leaf 10
i^^ the slaughter.which annually results from the goods has devised an ar- current passes guards and shunters having to pass between the cars rangement of float- from the magnets ELECTS^ LOCOMOTIVE. to couple and uncouple them. ing magnetic needles through the loco- To Americans this mode of… … needles, while the other pole will draw them together,- might point4o a tiew metbod.of medical diagnosis." ja(o-XA.To. © 1887 SCIENTIFIC AMERICAN, INC.

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