Discusses free balloons; aeronautic propaganda, affiliated societies, projects. (See also - nos. 7, 8, Apr. 1, 15, 1928, pp. 99-103)
The aeronautic year 1927
L'annee aeronatique 1927
Aerophile ; 36 , n 9-10
1928
4 pages
Article (Journal)
French
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Engineering Index Backfile | 1928
|Engineering Index Backfile | 1928