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Whirlybirds: A History of the U.S. Helicopter Pioneers
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Competitive Pricing You Can Trust — Quality You Can Rely On.
ISBN: 0295976993
Author: Jay P. Spenser
Study of the lives and work of four Americans--Igor Sikorsky, Frank Piasecki, Arthur Young, and Stanley Hiller, Jr.--who, working independently but concurrently, developed the helicopter in the 1940s. Discusses the confluence of entrepreneurship, corporate practices, and government influence and fi
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Whirlybirds: A History of the U.S. Helicopter Pioneers