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Scientific American, Vol. 49, No. 9 (1883) (1883)

leaf 3

An illustration from Scientific American, Vol. 49, No. 9 (1883), 1883, leaf 3
electroplating with nickel, swiveled. The propelling wheel is mounted in a forked and its chief use is confined to those cases where the prostra- and his patent secures to him practically a broad monopoly frame swiveled in the backbone or main frame, and pro- tion is very great, and even then… … the kite, three-sixteenths of a cent. Some cost as high as ‘The patent suit brought by the owners of the Gramme |, three-fifths of a cent, but they sell no better than the others, dynamo-electrical machine, to establish their claims to a There is a fair margin of profit all around.” broad monopoly…

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