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Facsimile of Leonardo da Vinci's drawings on artificial wings

Facsimile of Leonardo da Vinci's drawings on artificial wings.jpg Principle of the helicopter, drawing by Leonardo da VinciThumbnailsComparative size of moleculesPrinciple of the helicopter, drawing by Leonardo da VinciThumbnailsComparative size of moleculesPrinciple of the helicopter, drawing by Leonardo da VinciThumbnailsComparative size of molecules

The examination of the original drawings of the great Italian artist is intersting. We reproduce by heliogravure a complete plate; it makes it possible to follow the thought which presided over its execution. We let Dr. Hureau de Villeneuve interpret it.

We see in the second row on the right a small character quite similar to a demon or a genie, for he wears a flame on his head and, next to this flame, a Latin cross. His arms end with the fingers of a bat. The figure is not yet finished when Leonardo already recognizes its insufficiency and, guessing the little muscular action of the arms, thinks of using the force of the legs. So we see a little higher, in the same plank, a vigorous man placed on his stomach, his legs bent and about to launch a violent kick. The protruding muscles, traced by an anatomist's pencil, reveal the great painter in an unassuming drawing.

Author
La Navigation Aérienne L'aviation Et La Direction Des Aérostats Dans Les Temps Anciens Et Modernes (Air Navigation Aviation And The Direction Of Aerostats In Ancient And Modern Time)
by Gaston Tissandier
Published in 1886
Available from gutenb
Keywords
Flight, Italy
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