Title
Tunnelling Shield used in construction of London underground railways
Caption
Engineering Wonders, 1927: Tunnelling Shield used in construction of London underground railways.
Date
1927
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP15A05_431
Model release
NA
License type
Rights managed
Available size
57,1Mb (3,5Mb) / 21,0in x 10,5in / 6309 x 3161 (300dpi)