John Boyns
John Boyns opened Wheal Owles in Cornwall around 1830 and, together with his son Richard, supplied the mine's pursers and agents for some sixty years, making it in effect the Boyns family's own private concern until the fatal 1893 flooding disaster.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Parkenoweth Mine | Cornwall | ?–? |
| Wheal Drea | Cornwall | 1859–? |
| Wheal Owles | Cornwall | 1830–? |