Airway mileage by scheduled air transports in United States has increased from total of 2,000,000 mi flown in 1936 to 90,000,000 in 1939; air passenger miles in 1938 aggregated 600,000,000; review of technical developments in aircraft and improvements in airway operation which have made possible this phenomenal growth.
Trend of air transportation
Am Soc Mech Engrs -- Advance Paper
American Society of Mechanical Engineers -- Meetings ; 1939 United States
1939
10 pages
Aufsatz (Konferenz)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Modern trend of transportation
Engineering Index Backfile | 1931
THE TREND IN TAXATION AND REGULATION OF HIGHWAY TRANSPORTATION
SAE Technical Papers | 1934
|Trend toward more intelligent motoring -- Changing factors in personal transportation
Engineering Index Backfile | 1958
|Case Study of Trend Mining in Transportation Research Record Articles
Transportation Research Record | 2020
|ACCESS TO TRANSPORTATION SYSTEMS AND THE TREND TO UNIVERSAL DESIGN
British Library Conference Proceedings | 1998
|