Construction & Infrastructure
Tunnelling shield
A tunnelling shield supports the ground around an excavation face while the tunnel lining is assembled. Brunel's Thames Tunnel shield was an early influential example of the method.
About this artifact
A tunnelling shield supports the ground around an excavation face while the tunnel lining is assembled. Brunel's Thames Tunnel shield was an early influential example of the method.
Sources & image credits
Historical photograph, illustration or documented physical example; the source caption identifies the depicted object.
Image: Thames tunnel shield.png
Creator: UnknownUnknown
License: Public domain
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