Description of New York method for despatching mail between main post offices and their substations; comparison with European system; percentage of perfect operation during 1922-1928 given. (see also Compressed Air Mag., vol. 34, no. 11, Nov. 1929, pp. 2937-2940, 5 figs.)


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    Titel :

    Pneumatic tubes to expedite air mail deliveries


    Weitere Titelangaben:

    Aero Digest


    Beteiligte:
    Wright, H. (Autor:in)

    Erschienen in:

    Aero Digest ; 14 , n 6


    Erscheinungsdatum :

    1929


    Anmerkungen:

    1 Fig.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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

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    Pneumatic mail tubes in railway repair shop at Schwerte, Germany

    Berens, J. | Engineering Index Backfile | 1926


    Expedite issuing of student permits

    Engineering Index Backfile | 1928


    The Burr automatic pneumatic mail exchange

    Engineering Index Backfile | 1909