1676, Richard Wiseman, “[A Treatise of Tumors.] Of an Herpes”, inSeverall Chirurgical Treatises, London: Printed by E. Flesher and J[ohn] Macock, forR[ichard] Royston bookseller to His Most Sacred Majesty, and B[enjamin] Took at the Ship inSt. Paul's Church-yard,→OCLC,page80:
A Perſon of Honour, of a full Body abounding with ſharp Humours, was ſeized with anHerpes on his right Leg.[…] [I]t inflamed and ſwelled very much, manyWheals aroſe, and fretted one into another, with great Excoriation.
1829, Thomas Moore,The History of Devonshire,page528:
The four last-mentioned mines,Wheal Crowndale,Wheal Crebor, East Liscombe, andWheal Tamar, are on the same lode, which ranges as usual from east to west, and are included in a space of about four miles in length.
2003, Peter Long,The Hidden Places of Cornwall,page85:
Surrounding the village are the remains ot many mine workings including the picturesque gtoup of clifftop buildings thar were once part of one of the county's best known mines -Wheal Coares.
If you look at the map there are ‘wheals’ all over the place. There'sWheal Rose,Wheal Plenty andWheal Busy. Back on the tramroad the industrial communities come thick and fast as you head southeast toWheal Rose.