This text provides a comprehensive guide for mechanics with an interest in aircraft, on how to properly use and maintain their tools. It contains a wealth of useful information and practical suggestions. This is a text that will appeal to those with a keen interest in the development of aviation or metalworking techniques, and makes for a great addition to collections of allied literature. The chapters of this volume include: 'Welding Equipment', 'Hand Tools Used by the Aircraft Welder', 'Materials Used in Aircraft Welding', 'Welding Terms', 'Welding Symbols and Their Use', 'Setting up and Operating', 'Procedure Control for Aircraft Welding', 'A Complete Course in Oxyacetylene Welding of Steel Aircraft', etcetera. We are proud to republish this vintage text, now complete with a new and specially commissioned introduction on metalworking.