PFrom barometers to windmills, friction pulleys to ratchets, throstles to ellipsographs, this book has it all POriginally published in 1868, this compendium of ingenious mechanisms contains 507 entries that illuminate and explain the mechanics at play in hydraulics, pneumatics, steam engines, presses, horologes and more. PEach entry includes a clear line drawing to illustrate the mechanism's function, and a brief description of the mechanism, its use, and its operation. Running the gamut from extremely simple to complex and intricate, this engaging reference provides a detailed window into the innumerable small components that comprise complex machinery. An accurate and thorough index allows for quick, easy reference. PFor those with a keen interest in the mechanical, 507 Mechanical Movements is an informative and inspiring read.