G. Christian Hoffmann | Akateeminen Kirjakauppa

Report on Canadian graphite with special reference to its employment as a refractory material This book, "Report on Canadian graphite", by G. Christian Hoffmann, is a replication of a book originally published before 1878. 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.