Brief presentation of present status of aircraft and air-transport industry; latest figures show there are 25,000 miles of established airways in United States of which 12,000 miles are lighted; production of airplanes is estimated at 12,000 planes for 1929. (See also - discussion p 755-763)
Air transportation, present and future
World Ports
World Ports ; 17 , n 10
1929
6 pages
Aufsatz (Zeitschrift)
Englisch
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