Full report of recent extensive observations taken by means of balloons in France. (et seq) (See also - Oct, Nov 1893)
Explorations of the upper atmosphere
Aeronautics
1893
Aufsatz (Zeitschrift)
Englisch
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NTRS | 1970
|SAE Technical Papers | 1962
|NTRS | 1969
|NTRS | 1966
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