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Scientific American, Vol. 42, No. 19 (1880) (1880)
leaf 3
of the river, and will ascend inch. The iron plates which form the exterior shell of the rather more abruptly on the New Yorkside. The tunnel tunnel are rapidly put in, so that the workmen at the head- now building is only one-half of what is to make the com- ing will always be protected by an iron… … West, greatly increases the plates to be placed in posi- © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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