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Da Vinci inventions: Inspired engineering
updated 1:54 PM EDT, Fri November 4, 2011
The wide range of Leonardo da Vinci's ideas for inventions is shown through many surviving journals and sketchbooks, or "codices." Experts see these codices as direct links into da Vinci's mind. Rather than approaching them as linear documents, they are seen as a collection of thoughts and ideas. This is a page from the "Atlantic Codex," which is part of the Italian master's largest collection of drawings and writings.
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