Types of electric motors; control and interlocking of operations; wiring for control systems; recent developments in electric bridge control.


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    Title :

    Electrical equipment on movable bridges


    Additional title:

    U S Dept Agriculture -- Tech Bul


    Contributors:


    Publication date :

    1931


    Size :

    113 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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