Historical background of 13-mi Inner Circle of Metropolitan Underground Railway; need for new locomotive and locomotive design trials; inadequate ventilation on initial length of line and resort to "blow holes"; work on "cut and cover" tunnels, begun in January 1960, and difficulties of construction which had to be overcome; method of constructing covered ways varied at different times and under different contractors; cost of building railway, and number of passengers carried.
London's underground -- World's first subway
Consulting Engr
Consulting Engineer ; 15 , n 2
1960
8 pages
Article (Journal)
English
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