In 1861, the word "helicopter" Act has been called by name, Gustav de David come to pressure upon khot (Gustave de Ponton d'Amécourt), Egyptians who managed France inventors show to feature a small demonstration model driven by steam power. While there have been celebrated with innovative applications, metal is aluminium, various models that build up the invention was never able to lift the plane from the ground up itself. David kho's come to participate in the social security about Linguistics to live view the portfolio to provide a description of the subject of the portrait, he thought, imagination, drawing in the end. Steam, it is popular with other people as well, inventor in 1878 airport wireless driver has been created by Italian inventor name. Rico entities Ford (Enrico Forlanini)-using that was powered by a steam engine, first flying machines can soar up to floating at an altitude of 12 meters (40 feet), which it has made flying a long time (hovered) about 20 seconds after the attempted flight in a vertical.
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