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Dirigibles That Made History
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Название: Dirigibles That Made History
Автор: David C. Cooke
Издательство: G. P. Putnam's Sons
Год: 1962
Формат: PDF
Страниц: 78
Размер: 23,8 МБ
Язык: Английский

An airship or dirigible is a type of aerostat or lighter-than-air aircraft which can navigate through the air under its own power. Aerostats gain their lift from large gas bags filled with a lifting gas that is less dense than the surrounding air.







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