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    •    Hygyrchedd

    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6438474
    Disgrifiad
    Figure 125. This incline at Rhosydd in the Croesor area lowered slate blocks underground from floor 9 to floor 5. Illustration redrawn from Lewis and Denton 1974: 32
    Cofnod Casglu
    WSP - Welsh Slate Publication Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    RCAHMW
    Dyddiad
    2014