Keywords: Leonardo Water Propeller.png en A multi blade propeller in a water channel as power source for machines It is the first depicted water axial turbine and the first water propeller until the 18th century Ms F Folio 88 from AD 1508 Presented in Feldhaus Franz Maria Leonardo der Techniker und Erfinder 1922 p 83 PD-old-100 Creator Leonardo da Vinci 1508 Credit line http //en wikipedia org/wiki/User 3APortolanero Wikimedia Commons CC-BY-3 0 CC-BY-3 0 Manuscripts by Leonardo da Vinci Technical drawings by Leonardo da Vinci Inventions and constructions by Leonardo da Vinci Mechanical engineering by Leonardo da Vinci |