• Cymraeg
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    Hierarchy
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    Archive Number
    6487651
    Description
    Drawing on film of proposed arrangement of two speed endless haulage with 1450rpm motor and dual thrustor brakes on surgewheel for manriding cars.
    Collection Record
    TCDC - Tredomen Colliery Drawings Collection
    Originator
    Tredomen Engineering Ltd
    Date
    1975-01-27