This vintage study guide is a valuable resource for anyone interested in metal work technology and practice. With a publication year of 1962, it provides a unique look into the past and the techniques used during that time. The book features an English language paperback format with 2nd edition features, making it a great addition to any collection. Rare as it includes the answer key to all the test questions. The book was published by McKnight & McKnight and authored by Oswald A. Ludwig. It falls under the category of textbooks, education & reference, and specifically under metal work. The book contains information on various aspects of metal work, making it a comprehensive guide for beginners and experts alike.