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
Creu/Cynhyrchu
North Wales Newspaper Services
Derbyniad
donation
Mesuriadau
Meithder
(mm): 252
Lled
(mm): 300
Techneg
Black and white (monochrome photograph)
Photograph
Deunydd
Paper
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