Word: damblanc
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Dates: during 1930-1939
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...obscure fate was built in France by M. A. Penaud. Experiments were made with slight success in 1905 by the Dane, Ellehammer; in 1906 in France by the Brazilian, Santos-Dumont, in 1907 by M. Bréguet. By 1923 Austria had its Petroczy; Great Britain its Brennan; France its Damblanc, Oemichen and Pescara; Spain its la Cierva. In the U. S., meanwhile, Henry Berliner, Baltimore aircraft builder, had spent a fortune in a decade's experiment, and Rumanian Professor Georges de Bothezat was conducting researches at McCook Field, Dayton, Ohio for the National Advisory Committee for Aeronautics...
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