This guide investigates the fundamental principles, material properties, and practical application of permanent magnets within modern engineering design. Wilfred Wright provides a technical overview of magnetic materials, focusing on the selection criteria for specific industrial requirements. The text serves as a reference for engineers to optimize magnetic circuits and understand the limitations of various magnetic alloys in real-world environments.

Engineers and students frequently cite this guide as a concise, foundational resource for understanding the practical constraints of magnetic design. Experts highlight the text for its focus on applied physics rather than purely theoretical exploration.