A Text Book on Welding and Cutting Metals #260458

The Chapters on chemistry. Physics and metals are of the most elementary nature. And cover in the plainest language only the subjects that are Vital to the welders information. At the same time they are sufficiently explicit to give him a thorough working knowledge of the subjects that pertain to his work. In these pages we have consulted the works on the Manufacture and Properties of Iron and Steel, By II. II.