Brief article dealing with progress of commercial planes; aviation now as business rather than science; night service steadily being increased; American air mail service envy of world; hundreds of small machine parts shipped by air mail and hundreds of orders for machinery dispatched by air mail; air mail service proved reliability of American-built motors and established reliability of airplane as means of transportation.
Development of commercial aviation -- A duty to the national defense
West. Machy. Wld
Western Machinery World ; 18 , n 12
1927
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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