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Scientific American, Vol. 87, No. 22 (1902) (1902)

leaf 8

An illustration from Scientific American, Vol. 87, No. 22 (1902), 1902, leaf 8
xing problem of the motion of the eral by the writer, and in detail by the Parke & Lacy paratively low cost and the permanent protection which solar system through space. Company, of San Francisco. It was constructed in is afforded to the banks. It is perhaps unnecessary to There is little doubt… … Paving the Bank. the investigations will rival in scientific interest the currents frequently cut away much of the earth, while graph are from the well-known shops of the John A. Brashear Company. The spectrograph and clock were results which comprise the main purpose of the during periods of high…

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