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Scientific American, Vol. 1, No. 25 (1859) (1859)

leaf 7

An illustration from Scientific American, Vol. 1, No. 25 (1859), 1859, leaf 7
ch depends on a judicious preparation of papers. a portion of the air passes through the openings, ¢ e, di- stated that hydrochloric acid had been used for laying Your obliged friend, G. W. MitcHe.t. rectly into the fire, and another portion, passing over the dust in the city of Lyons, France, by… … that the valve is turned at each revolution stated by our correspondent, and that the aborigines are in the habit of doing as re- of the shaft on which the cam is placed. The cylinder, c, is hollow, with an opening on one side to presented by him; but it would be more wise for them to SUBTERRANEAN…

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