From Graces Guide
Trefusis Mine is in the township, parish, and union of Redruth, hundred of Penwith, Cornwall, and mining district of Redruth. It is situated half a mile from the town of Redruth.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 124,135 pages of information and 191,770 images on early companies, their products and the people who designed and built them.