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Sikorsky |
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Sikorsky Igor. 1889--1972, US aeronautical engineer, born in Russia. He designed and flew the first four-engined aircraft (1913) and designed the first successful helicopter (1939) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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