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3 answers

wikipedia.org

2006-10-10 04:58:37 · answer #1 · answered by Kevin 4 · 0 0

The library under inventions maybe? Or maybe check out the history channel, they might have something about his inventions, call your local cable provider and asked them the number for the history channel. Then call them, they can probably tell you where you can find out.

2006-10-10 12:00:41 · answer #2 · answered by STACEY S 3 · 0 0

Try this web site:
http://www.angelfire.com/electronic/awakening101/leonardo.html

2006-10-10 12:13:18 · answer #3 · answered by fresch2 4 · 0 0

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