Relation of the high-temperature treatment of high-speed steel to secondary hardening and red hardness This book, "Relation of the high-temperature treatment of high-speed steel to secondary hardening and red hardness", by Howard Scott, is a replication of a book originally published before 1920. 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.