Impossibility of securing data on development of military aviation stressed; differentiates between government control, military control and municipal control; United States air routes 6 per cent in advance of European routes.
Foreign aeronautical activities
Aviation
Aviation ; 28 , n 12
1930
14 pages
7 Figs.
Article (Journal)
English
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Aeronautical activities in British Columbia during 1934
Engineering Index Backfile | 1935
Remarkable development in the south of aeronautical activities
Engineering Index Backfile | 1930
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