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Scientific American, Vol. 57, No. 11 (September 1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 57, No. 11 (September 1887), 1887, leaf 10
sides, while the bars which pass ING MAGNETIC CONDUCTIVITY.* The first business done was the presentation of the inward to the needle are joined to the middle of the BT THOMAS A. EDISON. report of the legal committee on patent legislation. longer sides. The four halves of these longer sides Perhaps… … between that bar and the original one taken as a patents and of the literature of electric lighting. The Fig. 2-EDISON'S MAGNETIC BBIDGE-ENLABGED VIEWS standard. The instrument is extraordinarily delicate, object of the proposed digest is to enable members to OF MIBBOB AND NEEDLE. and the principal…

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