A treatise on concentration of all kinds of ores including the chlorination process for gold-bearing sulphurets, arseniurets, and gold and silver ores generally This book, "A treatise on concentration of all kinds of ores including the chlorination process for gold-bearing sulphurets, arseniurets, and gold and silver ores generally", by Guido Küstel, is a replication of a book originally published before 1868. 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.