Название: Dirigibles That Made History
Издательство: G. P. Putnam's Sons
Год: 1962
Формат: PDF
Страниц: 78
Язык: English
Размер: 23.8 MB
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.
