The origin of air traffic dates from the war. The important development of aeronautic industries and the progress made in recent years, under the impelling force of circumstances, rendered it possible, after the close of hostilities, to consider the practical utilization of this new means of economic expansion.
Aerial transportation
Congres International de la Navigation Aerienne (1st : November 1921 : Paris, France)
1922-02-01
Miscellaneous
No indication
English
SAE Technical Papers | 1921
|Engineering Index Backfile | 1919
|Engineering Index Backfile | 1929
Engineering Index Backfile | 1925
|Engineering Index Backfile | 1931