Improved type designed by London Transport for trolley-buses retains fundamental principle of original patent "O.B" type head and uses renewable carbon insert in shoe; shoe is modified to take increased length of carbon insert which is reversible, and embodies improved method of fixing shoe in head. (See also Transport World v 99 n 3185 June 13 1946 p 500-1)


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    Title :

    Current-collecting trolleyhead


    Additional title:

    Passenger Transport J


    Published in:

    Publication date :

    1946


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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