books.google.fr - This book deals with the history of mining and smelting from the Renaissance to the present. Martin Lynch opens with the invention, sometime before 1453, of a revolutionary technique for separating silver from copper. It was this invention which brought back to life the rich copper-silver mines of central...https://books.google.fr/books/about/Mining_in_World_History.html?hl=fr&id=4yp-x3TzDnEC&utm_source=gb-gplus-shareMining in World History