Biography Category
Name :
Cierva, Juan de la
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Birth Date :
01/01/1970
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(hwän d lä thy r´vä) (KEY) , 1895–1936, Spanish aeronautical engineer, inventor of a rotary-wing aircraft called an autogiro. He flew his first autogiro in 1923 and crossed the English Channel in an improved model in 1928.
See his Wings of Tomorrow (1931).
See his Wings of Tomorrow (1931).
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