Blank forms for efficiency control, schedules, operation, etc., of air lines are given: various uses of airplane: relief, agricultural and topographical purposes. See Engineering Index 1929, p. 12, for previous installment of same serial.
Aerial navigation from an economical viewpoint
La Navigazione Aerea Dal Punto Di Vista Economico
Aeronautica ; 8 , n 1
1930
7 pages
Bibliography
Aufsatz (Zeitschrift)
Italienisch
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Aerial transportation from an economic viewpoint
Engineering Index Backfile | 1926
|Engineering Index Backfile | 1941
|Engineering Index Backfile | 1923
|Engineering Index Backfile | 1930
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