Counter built by General Electric Co. consists of photoelectric cell installed in box near roadway, on which shines electric light located in ceiling of tunnel; as vehicle crosses beam of light, current is caused to flow; low-energy relay operates counter which records number of impulses and consists of photoelectric cars.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Photo-electric cell counts traffic in Holland tube


    Weitere Titelangaben:

    Eng. Contracting


    Erschienen in:

    Erscheinungsdatum :

    1929


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    Traffic control. Holland tunnel traffic control system

    Maxwell, J.P. | Engineering Index Backfile | 1928


    Validation of Bicycle Counts from Pneumatic Tube Counters in Mixed Traffic Flows

    Brosnan, Martin / Petesch, Michael / Pieper, Jason et al. | Transportation Research Record | 2019


    Transportation and traffic in Holland

    M'Pherson, Logan G. | Engineering Index Backfile | 1910


    Traffic control. Holland tunnel traffic control system

    Maxwell, J.P. | Engineering Index Backfile | 1928