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Northern Line Underground train

A Northern Line train heading through a tunnel lights up its surroundings.   

Brunel's shield method of tunneling was further enhanced by an engineer called Peter Barlow. He added the idea that as the shield was pushed forward workers filled the space behind with segments of steel joined together to form the circular walls of the tunnel. 

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All photographs copyright artofthestate 2014


Northern Line Underground Train

Northern Line Train


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