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Scientific American, Vol. 53, No. 22 (1885) (1885)

leaf 9

An illustration from Scientific American, Vol. 53, No. 22 (1885), 1885, leaf 9
d steamer, noticed that the compass by which he about three feet above the level of the working desk, +046 was steering was invariably affected by the near ap- and closed by a three-hole rubber stopper. Through On Tidal Theory and Tidal Predictions, proach of a certain passenger, and finally the ‘‘… … removal of everything in the shape of iron and steel moon’s orbit are not constant, owing to solar attrac- _ being stopped by a pinch cock—the water is started by suction from did not alter the erratic behavior of the needle, our tion, but vary in a period of about nine years. near approach for the…

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