Porthmadog (Harbour) Trust papers,
Porthmadog (Harbour) Trust papers,
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,
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),
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,
Pooling scheme,
Pooling scheme,
Apprentice slate loaders,
Apprentice slate loaders,
Report on a visit to French and Belgian slate quarries,
Report on a visit to French and Belgian slate quarries,
Quarrymen's wages,
Quarrymen's wages,
