Vertol Aircraft Corporation
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Based in Morton, Pennsylvania. Fore-runner of the Vertol Division of Boeing (Boeing-Vertol).
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Vertol Aircraft Corporation
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Formerly the Piasecki Helicopter Corporation. Source: "The Smithsonian National Air and Space Museum | Directory of Airplanes | Their Designers and Manufacturers", Dana Bell, Published by Greenhill Books, London, ISBN 1-85367-490-7 |
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Vertol Aircraft Corporation
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Based in Morton, Pennsylvania. Fore-runner of the Vertol Division of Boeing (Boeing-Vertol).
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