Cornish miners are described as carrying practical mining knowledge overseas. The discussion links that movement with mining communities and companies in other countries. It also connects mining expertise with wartime tunnelling. The point is the movement of skilled workers and their techniques, rather than a claim that all overseas mining came from Cornwall.
Notable Point · 5:04:09-5:05:03
Cornish mining expertise beyond Cornwall
Migration carried Cornish mining skills into overseas industry and wartime tunnelling.