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Scientific American, Vol. 43, No. 24 (1880) (1880)

leaf 3

An illustration from Scientific American, Vol. 43, No. 24 (1880), 1880, leaf 3
away from the axis of the disk. compound helix so made developed great power, the same he raises 100 bushels of shelled corn to the acre, having ac- As to the matter of irregular motion usually imparted by battery yielding with it a hundred times as much magnetic cams, it is difficult to make a cam… … wooden frame for a model sometimes cut, bound in bundles, and_ steoked. When dry it was drawn into the barn, proves troublesome. where, with the assistance of a hired The small tenons and mortises are diffi- cult to make, andthe frame to be strong man, the corn was husked, weighed as enough. to…

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