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Cierva, Juan de la

   Also found in: Wikipedia, Hutchinson 0.06 sec.
Cierva, Juan de la (hwän dā lä thyār`vä), 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.

Bibliography

See his Wings of Tomorrow (1931).



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