General resume of aeronautical progress; mergers in industry are taken up; year of 1929 proved that air transport is still far from being conducted on profitable basis; little if any market research work being done in aircraft industry at present.
The aeronautic industry during 1929
Aviation
Aviation ; 28 , n 7
1930
5 pages
5 Figs.
Article (Journal)
English
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NTRS | 1922
|Engineering Index Backfile | 1911
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