Price's rotary digger for cutting tunnels
Price's rotary digger for cutting tunnels, showing 8 hydraulic rams used to force the digger forward, casing 12.5 ft diameter
Picture No
13723790
Media ID
48401104
Size
3411px x 3645px
(4.0MB)
Credit
Mary Evans Picture Library
Source
Illustration in The Tube Railways of London, The Captain Magazine, February 1909
Date
1909





























