Frederick Augustus Porter Barnard's The Metric System of Weights and Measures is a comprehensive introduction to the metric system and its history, principles, and applications. From the basic units of length, mass, and volume to more specialized measures in fields like electricity and thermodynamics, Barnard offers a clear and concise overview of this important system of measurement. This book is a must-read for anyone interested in the history and science of measurement or the practical applications of the metric system.

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