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 | |
ThinMan : Contains spoilers. Click to show. Definitely good enough to re-watch, especially with the spin off early days prequel starti...