North Wheal Unity
From Graces Guide
North Wheal Unity Mine is in the parish of Gwinear, union of Redruth, hundred of Penwith, Cornwall, and mining district of Gwinear.
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.