Government supervision of products is safeguard; absence of overlapping competing routes, selfish isolation, lack of cooperation which was shown in early period of railroad; new methods and inventions may render obsolete many parts of airplane as now developed; readjustments and reactions can be expected.
Financial survey of aeronautical industry and securities
Popular Aviation
Popular Aviation and Aeronautics ; 3 , n 4
1928
2 pages
Aufsatz (Zeitschrift)
Englisch
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