Title
Shield used during digging of Thames Tunnel
Caption
Shield used during digging of Thames Tunnel (1825-1843), which allowed 12 men to excavate simultaneously. Patent for this first tunnelling shield taken out by Marc Isambart Brunel in 1818
1842
Woodcut
Date
1842
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07094_390000834
License type
Rights managed
Available size
35.9Mb (3.3Mb) / 11.1in x 12.6in / 3321 x 3780 (300dpi)