The greatest usefulness of this book lies in the fact that all necessary information and data has been included in one volume, making it possible for the workman to use one source for securing a knowledge of both principle and practice, preparation and finishing of the work, and both large and small repair work as well as manufacturing methods used in metal working. Fully illustrated. | Oxy-Acetylene Welding and Cutting Electric and Thermit Welding Together with Related Methods and Materials Used in Metal Working and the