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Helicopter Man
Edwin Brit Wyckoff
其他書名
Igor Sikorsky and His Amazing Invention
出版Enslow Publishing, LLC, 2010-01-01
主題Juvenile Nonfiction / Biography & Autobiography / Science & TechnologyJuvenile Nonfiction / Biography & Autobiography / Historical
ISBN07660344539780766034457
URLhttp://books.google.com.hk/books?id=oUHdpGF4c8UC&hl=&source=gbs_api
EBookSAMPLE
註釋Leonard da Vinci drew pictures of helicopters; Wilbur Wright said they would never work, but Igor Sikorsky proved him wrong, inventing the first working helicopter and building the company that still bears his name. Give your readers a compelling story they will not forget.