This book comprises the first edition of a concise and detailed guide on oxy-acetylene welding. This text was originally designed as a school-book to be employed as a reference for shop practice, as well as indicating further lines of research. Complete with clear instructions and a plethora of helpful illustrations, this timeless antique text constitutes a great resource for those with little experience who are interested in oxy-acetylene welding and welding in general. The chapters of this book include: Apparatus, Operation, Shop Equipment, Apparatus Agencies, Welding of Cast Iron, Welding of Cast Iron, Welding of Cast Iron, Steel Welding, Aluminum Welding, Malleable Iron, Ocy-Acetylene Cutting, Carbon Burning, Glossary, and Index. We are proud to be republishing this text here complete with a new introduction on the subject.