"Pyrometry: A Practical Treatise on the Measurement of High Temperatures" by Charles R. Darling is a comprehensive guide that delves into the principles and practices of measuring high temperatures. The book covers various pyrometric techniques, including the use of thermocouples, optical pyrometers, and radiation thermometers. Darling emphasizes the importance of accurate temperature measurement in industrial applications, providing readers with practical insights and methodologies. The text is designed for engineers, technicians, and researchers who require a solid understanding of temperature measurement in high-temperature environments.***In addition to theoretical concepts, Darling's work includes practical examples and case studies that illustrate the application of pyrometry in real-world scenarios. The book addresses common challenges faced in high-temperature measurement and offers solutions to improve accuracy and reliability. With its clear explanations and detailed illustrations, this treatise serves as an essential resource for anyone involved in thermal measurement. Readers will gain valuable knowledge that can be applied to various fields, including metallurgy, ceramics, and materials science.