The Greathead Tunnelling Shield
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| The Greathead Tunneling Shield |
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This is in the corridor between the Waterloo and City Line and the Central Line. The red structure is the remains of a Greathead style shield used at the tunnel head when the Waterloo & City Line was originally built. It was left at this point when the railway was completed in 1898 and rediscovered in 1987 during construction of the DLR extension to the Bank Station.
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