Find Out about Machines: With 19 Projects and More Than 260 PicturesHardcover, 15 June 2013

This science book looks at the enormous variety of machines in our world and how they function. Hands-on projects, such as making your own gears and belt drives, a pulley, a block and tackle, a can crusher, a water wheel, and an Archimedean screw, will help you to fully understand the principles behind them.