""Principles of Construction and Efficiency of Water Wheels"" is a book written by William Donaldson in 1876. The book focuses on the design and construction of water wheels and aims to provide a comprehensive understanding of the principles that govern their efficiency. The author covers a range of topics, including the types of water wheels, their components, and the factors that affect their performance. He also discusses the various methods of testing water wheels and the calculations involved in determining their efficiency. Throughout the book, Donaldson provides detailed illustrations and examples to help readers understand the concepts discussed. This book is a valuable resource for anyone interested in the design and construction of water wheels, from engineers and designers to students and enthusiasts.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.