Leonardo da Vinci Aerial Screw and Lifting Wing

Item

Aerial Screw and Lifting Wing

Title

Leonardo da Vinci Aerial Screw and Lifting Wing

Rights

Public Domain

Source

Leonardo da Vinci helicopter and lifting wing.jpg. July 8, 2009. Photograph. Wikimedia Commons. https://commons.wikimedia.org/wiki/File:Leonardo_da_Vinci_helicopter_and_lifting_wing.jpg. Image Credit: Brett Robertson. Public Domain.

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