FROM the days of Lauretus Laurus, Albertus Magnus, and Roger Bacon, the possibility of navigating the air has occupied men's minds. The last-named sav...
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https://www.riss.kr/link?id=O133971252
1884년
eng
학술저널
PHP / Magazines / Feature
64 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
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다운로드다국어 초록 (Multilingual Abstract)
FROM the days of Lauretus Laurus, Albertus Magnus, and Roger Bacon, the possibility of navigating the air has occupied men's minds. The last-named sav...
FROM the days of Lauretus Laurus, Albertus Magnus, and Roger Bacon, the possibility of navigating the air has occupied men's minds. The last-named savant, who was born A.D. 1214, believed that, like the ocean, the atmosphere is a resisting body, and that extremely light vessels could float in it. He imagined and maintained that a large copper globe, very thinly constructed and containing fire, which would be lighter than the surrounding atmosphere, could be directed on a principle analogous to that of steering a ship.