For those interested in da Vinci's work, the British library has digitized 570 pages of his 'The Codex Arundel'' that you can view and download.
Leonardo da Vinci’s Visionary Notebooks Now Online: Browse 570 Digitized Pages
Quick, what do you know about Leonardo da Vinci? He painted the Mona Lisa! He wrote his notes backwards! He designed supercool bridges and flying machines! He was a genius about, um… a lot of other… things… and, um, stuff...
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