Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakeley slate quarry, photograph
A modern compressed air drill used to bore holes, prior to dividing a dislodged slab into "pillars" of convenient size for subsequent handling.
Pwnc
Diwydiant
Rhif yr Eitem
52.465/14
Mesuriadau
Meithder
(mm): 252
Lled
(mm): 300
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.