On mines in UK, mainly Cornwall.
Most files contain some original (and copy) documents, including the following:
Receipts for instalments on shares at Wheal Sparnon and Cornerstone mines, Cornwall, 1814.
North Cornwall Silver Lead & Tin Mining Assoc. shares certificate, 1835.
Gawton Copper Mine (Cornwall) agent's report, 1880.
Reports on Anderton and Budnic Consols tin mines, Cornwall, 1888 and 1898.
Sale particulars and plan of mills and wharves at Holywell, 1901 (photocopy).
Sale catalogue of plant and machinery at Greenfield & Abbey Copper Mills, 1901 (photocopy).
Sale catalogue of mining plant at Minera, 1914.
Report on Fron Fownog Mine [Gwernymynydd, Mold], 1875 (photocopy).