Photograph as originally submitted to
this page in the Historical Marker Database
www.HMdb.org.
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Photographer: Leonardo da Vinci
Caption:
Projectile ideas designed by Leonardo da Vinci | Submitted: November 1, 2016, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p368106
File Size: 0.212 Megabytes
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