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Scientific American, Vol. 5, No. 48 (1850) (1850)

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An illustration from Scientific American, Vol. 5, No. 48 (1850), 1850, leaf 0
ates, A A A A, about midway between these every one will be repaid for the labor of read- as a guide in developing my invention, to ex- with the directors for the completion of the surfaces, by a circular ring, cylinder, or back, ing and studying it. The first, third, and ist in the solar system of… … or otherwise secured together, or it may be last week, which weighed 23,000 pounds. It being intended by me, so far as may be neces- point, to attract direct to, and repel directly made of soft wrought iron or steel strips, or is nine inches thick and 6,000 feet long. from this common axis or…

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