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Knight's Mechanical Encyclopedia (ed. Knight) 4 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), F. (search)
ich, it is said, he propelled by a screw, and steered by means of an apparatus for that purpose, during a flight of nearly thirty miles. If this be so, it must have been probably owing to the serenity of the atmosphere. During the same year, M. Julien at Paris made a model balloon, shaped like a fish, which was made to move in the air by clock-work operating a pair of wings. The model was four yards long, formed of gold-beater's skin, and filled with gas. A similar machine on a large scale had been tried in England some twenty years before, and failed, though a model of it had been to a certain degree successful. Mr. Petin, a countryman of Julien's, projected at the same time (1850) a system of aerial navigation. Certainly a high-sounding name; but then the machine itself was to be on a large scale. It was to consist of an immense framework 480 feet long, supported by four balloons, each 90 feet in diameter, was to have four parachutes, and a platform for passengers. Two