The Da Vinci Notebooks
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Plate LXV
These files are based on material produced for Project Gutenberg by Distributed Proofing. Additional scanning, proofing and formatting, April 2006. Images scanned and processed This text and the associated images are in the public domain in the United States because they were originally published prior to January 1, 1923. These files may be used for any non-commercial purpose provided that proper attribution of the source is included with any copies.