A new process for extraction of copper from its ores with notes on the treatment of gold and silver ores This book, "A new process for extraction of copper from its ores", by Thomas Sterry Hunt, is a replication of a book originally published before 1870. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.