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

leaf 10

An illustration from Scientific American, Vol. 57, No. 11 (1887), 1887, leaf 10
he inward to the needle are joined to the middle of the BY THOMAS A. EDISON. report of the legal committee on patent legislation. longer sides. The four hulves of these longer sides Perhaps no electric measuring instrument has proved The report was presented by Mr. Arthur Steuart, of constitute the… … affects the magnetic conductivity through the bridge, nounced that in the near future he hoped to be able to the deflection shows at once the amount of difference offer to the members the use of an analytical digest of between that bar and the original one taken as a patents and of the literature…

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