Alfred Ely Beachs (1826-1896) cylindrical tunnelling shield being used during work on the Hudson Tunnel Railroad Companys tunnel, New York. From Scientific American, New York. 1890.
Alfred Ely Beachs (1826-1896) cylindrical tunnelling shield being used during work on the Hudson Tunnel Railroad Companys tunnel, New York. From Scientific American, New York. 1890.
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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1890., alfred, america, american, archival, archive, beachs, civil, companys, cylindrical, ely, engineering, historical, history, hudson, railroad, scientific, shield, tunnel, tunnelling, usa, work, york.
