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Scientific American, Vol. 88, No. 6 (February 1903) (1903)

leaf 8

An illustration from Scientific American, Vol. 88, No. 6 (February 1903), 1903, leaf 8
as is will probably result in the supply being carried away periments tend to show the existence of a specifically struck at a pressure of 200 pounds to the square inch. to already established centers of industry. electrolytic reduction effect with a given kathode and As the pressure in the borings… … narrow limit; but the geological proven a success. TESTING APPARATUS OF COOPER HEWITT CONVERTER. © 1903 SCIENTIFIC AMERICAN, INC.

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