Description of new London Toll A and B exchanges; it is shown how large proportion of toll circuits have been converted to automatic switching.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Replacement of London Toll exchanges


    Additional title:

    Post Office Elec Engrs' J


    Contributors:


    Publication date :

    1943


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    London toll exchange

    Elliman, E.A. | Engineering Index Backfile | 1928


    The London toll exchange

    Engineering Index Backfile | 1921


    The new toll exchange, London

    Engineering Index Backfile | 1928


    TOLL COLLECTION MACHINE, TOLL COLLECTION SYSTEM, TOLL COLLECTION METHOD, AND PROGRAM

    YAMAGUCHI YASUHIRO / FUKUZAKI SHIGETAKA / NAKAYAMA HIROYUKI et al. | European Patent Office | 2017

    Free access

    TOLL COLLECTION MACHINE, TOLL COLLECTION SYSTEM, TOLL COLLECTION METHOD AND PROGRAM

    YAMAGUCHI YASUHIRO / FUKUZAKI SHIGETAKA / NAKAYAMA HIROYUKI et al. | European Patent Office | 2017

    Free access