Five-mile addition to underground system built in ten sections; accurate surveys required to insure proper alignment; in hard ground shields were driven forward by hydraulic rams, while in soft ground rotary excavators were used.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    London subway extended by tunneling


    Additional title:

    Elec. Ry. Jl


    Published in:

    Publication date :

    1926


    Size :

    4 pages


    Remarks:

    9 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    London subway reconstruction

    Engineering Index Backfile | 1930


    Subway developments in London

    Lamb, D.R. | Engineering Index Backfile | 1925


    Mechanical handling on London subway

    Spies, R. | Engineering Index Backfile | 1937


    The first London tramway subway

    Engineering Index Backfile | 1906


    New York independent subway extended

    Engineering Index Backfile | 1933