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Photocopy of rubbing of carved slate

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'The Carved Slates of Dyffryn Ogwen 1830...

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'The Carved Slates of Dyffryn Ogwen 1830...

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Penyrorsedd

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Dorothea Quarry Boilers

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Run of empty slate wagons on transporter wagons

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Run of empty slate wagons on transporter wagons

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Loaded slate wagon

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Transporter wagons carrying slate

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Barracks at Dinorwig Quarry 1973

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Barracks at Dinorwig Quarry 1973

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View of Dinorwig Quarry 1977

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View of the Malwoden Lwyd at National Slate Museum

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Hydro Electric Power scheme 1977

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View of the Hydro Electric Power scheme being...

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Hydro Electric Power scheme being built

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Dinorwig Quarry 1950

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View of the Hydro Electric Power scheme being...

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Hydro Electric Power scheme 1977

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Slate rubble at Dinorwig Quarry 1973

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Aerial view of Gilfach Ddu worshops 1973

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Barracks at Dinorwig Quarry 1973

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Graffiti on walls of barracks 1973

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Barracks at Dinorwig Quarry 1973

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View of Gilfach Ddu workshops 1973

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View of Gilfach Ddu workshops 1973

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View of Gilfach Ddu workshops 1973

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Slate slab being sawn on a saw table

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View of Gilfach Ddu workshops 1973