Knocker wrote:
There are about half a dozen conversion sin Cornwall, including Wheal Rose, Wheal Enys (Porkellis), Porthtowan Beach, one in Marazion and one near St Austell.
There are far more than that, these are some that come to mind but I'm sure there are others.
Wheal Rose, Wheal Enys, Wheal Towan, Tregurtha Downs,
Fowey Cosols 2, Wheal Langford, Princess of Wales, Wheal Andrew, Wheal Blanco, Cothele Consols, East Rand, South Phoenix converted to a visitor centre, two more at Wheal Langford have planning permission.
Also since 1950 about sixty have been demolished.