Principle of the helicopter, drawing by Leonardo da Vinci

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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
Posted on: Wednesday 5 August 2020
Dimensions: 450*314
Keywords: Country:Italy, Flight, Middle Ages
Albums: The Middle Ages / Technology
Visits: 1766
Downloads: 52