Uptown Hudson Tubes, Tunneling Shield, 1890

Uptown Hudson Tubes, Tunneling Shield, 1890

Crew posing with tunneling shield for the construction project building a tunnel under the Hudson river, between NY and Jersey City. A tunneling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time that it takes to line the tunnel with a support structure of concrete, cast iron, or steel. In effect, the shield serves as a temporary support structure for the tunnel while it is being excavated. In 1888 a British company that employed James Henry Greathead as a consulting engineer attempted to resume work on the Hudson tubes, but they too were unsuccessful in completing them and were also out of funds by 1891. The Uptown Hudson Tubes are a pair of tunnels that carry PATH trains under the Hudson River between Greenwich Village in New York City, New York and Jersey City, New Jersey. No photographer credited, 1890.

Album / NYPL/Science Source

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4019 x 3100 px | 35.6 MB

34.0 x 26.2 cm | 13.4 x 10.3 in (300 dpi)