Brilliant Inventions - Mack van Gageldonk - Bog

"Our world is filled with the most wonderful tools and machines. This is, of course, thanks to clever inventors! The first television was concocted with simple tea boxes and biscuit tins. The first airplane was the product of bicycle makers. The first submarine had oars. And Leonardo da Vinci described his many inventions in mirrored writing. Why? You'll discover these things and more in this informative book."--