Machines: A Fascinating Fact File and Learn-it-yourself Project Book (Learn About ...)

by Chris Oxlade (Author)

• Used

  Hardcover
  2008

  $3.25

  This lively and practical book looks at the enormous variety of machines and how they work. Fascinating and easy-to-do projects, such as making your own gears and belt drives, constructing a water-wheel and an Archimedean screw, or making your very own vacuum cleaner, will help you to understand the principles that are used to make machines work.

• Used

  Hardcover
  2000

  $5.09

  Learn About is a series in children''s refere nce and self-education in the style of Eyewitness. Learn Abo ut Machines explores all the important aspects and principle s of machines in a detailed, authoritative and accessible wa y. '