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[Reproduction of page from notebook of Leonardo da Vinci showing a water-powered, gear-driven machine for manufacturing cannon barrels]

[Reproduction of page from notebook of Leonardo da Vinci showing a water-powered, gear-driven machine for manufacturing cannon barrels]

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Date

01/01/1894
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Contributors

Leonardo, da Vinci, 1452-1519.
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Source

Library of Congress
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Copyright info

No known restrictions on publication in the U.S. Use elsewhere may be restricted by other countries' laws. For general information see "Copyright and Other Restrictions ...," http://www.loc.gov/rr/print/195_copr.html

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