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Scientific American, Vol. 89, No. 8 (1903) (1903)
leaf 3
1882 way underground railway in this city, when the meth- tunnel was driven to prove sufficient, in co-operation suspended operations, Subsequently, in 1890, an Eng- od designed by the late Alfred E. Beach, one of the with the compressed air, to resist distortion until the editors and proprietors… … THE HUDSON BIVER TUNNEL. © 1903 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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