3061422 France: Early Flight - \'Premier essai de direction de ballons, Guyton de Morveau, 1784\' (First attempt to direct a balloon, Guyton de Morveau, 1784), Paris, Romanet, c. 1895; (add.info.: A balloon is conceptually the simplest of all flying machines. The balloon is a fabric envelope filled with a gas that is lighter than the surrounding atmosphere. As the entire balloon is less dense than its surroundings, it rises, taking along with it a basket, attached underneath, which carries passengers or payload. Although a balloon has no propulsion system, a degree of directional control is possible through making the balloon rise or sink in altitude to find favorable wind directions.); Pictures from History.
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