Describes motor for traction over snow, involving principle of compacting snow under treads of machine by means of revolving, torpedo-like rollers, which are moved in direction of their axes, propulsive effort being secured by helical knives or skates mounted on drum surfaces; chassis and engine similar to automobile.


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    Title :

    Armstead motor ploughs through deep snow


    Additional title:

    Paper Trade Jl


    Published in:

    Publication date :

    1923


    Size :

    3 pages


    Remarks:

    4 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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