The product is a vintage 1978 first print hardcover book titled "Understanding Electronics" by R. H. Warring. This book, with 32 working circuits, is intended for adults interested in do-it-yourself electronics. Published by McGraw-Hill School Education Group, the book serves as a valuable resource for those looking to explore the world of electrical projects and circuitry in a practical and educational manner. With illustrations included, this book offers a comprehensive understanding of electronics for the curious and aspiring individual. Book is in really good/like new condition F-3
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