Illustrations and specifications of 97 aircraft models approved by Department of Commerce and 53 engines, similarly approved, shown in Fifth Edition of Annual Aircraft and Engine Directory; classification according to price and horsepower. (p 14-34, 36, 38, 40, 42, 44 and 46)
Approved airplanes
Western Flying
Western Flying ; 13 , n 7
1933
Article (Journal)
English
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Design trends in approved type airplanes
Engineering Index Backfile | 1931
|Design trends in approved type airplanes
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1930
Engineering Index Backfile | 1929
Engineering Index Backfile | 1933