The Northern Line was the world's first deep Tube line, running 36 miles and connecting the north and south of the Thames. Rob reveals the obstacles encountered and the innovations pioneered by the Victorian engineers who built it. |
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Title: | The World's First Deep Tube Line | |
Air Date: | April 3, 2017 | |
Runtime: | 60 min | |
Genres: | History | |
prism : all links freeze at the 7 minute mark then the screen goes black