Porthmadog (Harbour) Trust papers,
Porthmadog (Harbour) Trust papers,
Miscellaneous financial records relating to business interests,
Miscellaneous financial records relating to business interests,
Cwm Llefrith Copper Mine,
Cwm Llefrith Copper Mine,
North and South Wales Newspaper Company, Ltd,
North and South Wales Newspaper Company, Ltd,
Stock and shipment register,
Stock and shipment register,
Miscellaneous quarry reports,
Miscellaneous quarry reports,
North Wales slate quarries price lists,
North Wales slate quarries price lists,
Slate quarries,
Slate quarries,
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,
Memorandum and draft (Gilfach quarry and Gilfach Ddofn Farm),
Memorandum and draft (Gilfach quarry and Gilfach Ddofn Farm),
Oakeley Slate Quarries Company, Limited, Blaenau Ffestiniog,
Oakeley Slate Quarries Company, Limited, Blaenau Ffestiniog,
Maen Offeren Slate Quarry Company Limited,
Maen Offeren Slate Quarry Company Limited,
Directors' reports,
Directors' reports,
Register of officials, shareholders and share dealings,
Register of officials, shareholders and share dealings,
Press letter book,
Press letter book,
Tyrch quarry machinery and stock,
Tyrch quarry machinery and stock,
Department of Building Materials Supply,
Department of Building Materials Supply,
Agreement,
Agreement,
Balance sheets,
Balance sheets,
