Stock Photo - A man drilling a piece of metal in the machine shop at Dinorwig (or Dinorwic) Slate Quarry, near Llanberis, North Wales. Everything was made at the works, even spare parts for the lathes.

Stock Photo: A man drilling a piece of metal in the machine shop at Dinorwig (or Dinorwic) Slate Quarry, near Llanberis, North Wales. Everything was made at the works.

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