Stock and shipment register,
Stock and shipment register,
Conveyance of common slates,
Conveyance of common slates,
University College of North Wales, Bangor,
University College of North Wales, Bangor,
Miscellaneous quarry reports,
Miscellaneous quarry reports,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
Slate price lists,
Slate price lists,
Davies Brothers price lists,
Davies Brothers price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
Slate usage,
Slate usage,
Slate prices,
Slate prices,
Slate account and production book,
Slate account and production book,
History of Gilfach Quarry,
History of Gilfach Quarry,
Memorandum of agreement,
Memorandum of agreement,
Lease of the Whitland Abbey or Gilfach Green Slate vein,
Lease of the Whitland Abbey or Gilfach Green Slate vein,
Agreement for sale of produce of Gilfach Green slate quarry,
Agreement for sale of produce of Gilfach Green slate quarry,
