Age of New IdeasBook - 2004
Who thought of building a catapult that could sling a cow a couple of kilometres over a castle wall? What made Leonardo design a parachute? Who fired the first cannon ball and how can a lemon power a digital clock? You can find the answers here, in this title of the Crafty Inventions series, and then model your own inventions -- from a miniature flush toilet to a cracking pop-gun.
Publisher: London : Mercury Junior, 2004, c2003
Branch Call Number: JNF 609 BAI
Characteristics: 47 p. : col. ill. ; 29 cm