Describes carriers, receiver, transmitter, etc. of pneumatic mail tubes which were in use in Philadelphia, also automatic railway as substitute for automobiles running from Paddington to White-chapel, Lond., for carrying mail automatic control of trains.


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    Titel :

    Pneumatic mail tubes and operation of automatic railroads


    Weitere Titelangaben:

    Engrs. Eng


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1922


    Format / Umfang :

    7 pages


    Anmerkungen:

    3 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Pneumatic railroads

    Engineering Index Backfile | 1890


    Pneumatic tubes to expedite air mail deliveries

    Wright, H. | Engineering Index Backfile | 1929


    The Burr automatic pneumatic mail exchange

    Engineering Index Backfile | 1909


    Use of pneumatic tires on railroads

    Vincent | Engineering Index Backfile | 1933


    Pneumatic tubes in the United States for mail -- German types

    Schwaighofer | Engineering Index Backfile | 1922