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Tag: graft

Engines Podcast

Engines of Our Ingenuity 1474: Beach’s Secret Subway

Dr. John Lienhard

Posted on February 28, 2018 · Episode: 1474 Alfred Ely Beach builds a secret subway in New York City. Today, a secret subway.

Tags BMT line brunel graft Nast Thames Tunnel transportation tunneling Tweed urban rail

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