After 21 years of service, corrosion necessitates application of new tape and asphalt cement on bracket bars; relatively few roof bolts need replacement; special work train provided.


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    Title :

    Boston and Maine repairs trolley supports in Hoosac Tunnel


    Additional title:

    Ry Elec Engr


    Contributors:

    Published in:

    Publication date :

    1932


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :



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