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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6487639
    Disgrifiad
    Group of drawings showing details of 'manriding cars' and hydraulic systems that could be used by miners in the collieries.
    Enw Casgliad
    TCDC - Tredomen Colliery Drawings Collection
    Cyfrwng
    12 drawings.
    Cychwynnwr
    Tredomen Engineering Ltd
    Dyddiad
    1975 to 1978