The Indicator and Dynamometer is a book written by Thomas John Main and first published in 1864. The book is a comprehensive guide to the use and application of two important instruments in engineering: the indicator and the dynamometer.The indicator is a device used to measure the pressure of steam or gas in an engine cylinder. The dynamometer, on the other hand, is a device used to measure the power output of an engine. Both instruments are essential tools for engineers and mechanics, and this book provides a detailed explanation of their use and operation.The book is divided into two parts. The first part covers the indicator, including its history, construction, and use. It also includes detailed instructions on how to use the indicator to measure engine performance, as well as how to interpret the results.The second part of the book focuses on the dynamometer, including its history, construction, and use. It provides detailed instructions on how to use the dynamometer to measure engine power output, as well as how to interpret the results.Throughout the book, Main provides numerous examples and illustrations to help readers understand the concepts and techniques involved. The book is written in a clear and concise style, making it accessible to both novice and experienced engineers and mechanics.Overall, The Indicator and Dynamometer is an important historical document that provides a valuable insight into the development of engineering and the use of these important instruments in the 19th century.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.

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