Leonardo Da Vinci Inventions
Use the websites below:
 Simple Machines -http://www.mos.org/sln/Leonardo/InventorsToolbox.html

http://inventors.about.com/od/dstartinventors/ig/Inventions-of-Leonardo-DaVinci/index.htm
http://www.mos.org/leonardo/
http://www.leonet.it/comuni/vinci/
http://www.museoscienzorg/english/leonardo/Default.htm

Created on 11/28/2007 - Last updated on 11/14/2009