This book, "Electric welding a comprehensive treatise on the practice of the various resistance and arc welding processes, covering descriptions of the machines and apparatus used and the applications both in manufacturing and repair work. 5", by Douglas T. Hamilton, is a replication of a book originally published before 1918. 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.