Director of Zeppelin Airship Construction Co. describes construction and appointments of Graf Zeppelin; cost data on Zeppelin operation; costs, fixed charges, and income.
Economics and prospects of airship transportation
Wirtschaftlichkeit und Aussichten des Luftschiff-Verkehrs
Schweizerische Bauzeitung ; 92 , n 26
1928
6 pages
11 Figs.
Article (Journal)
German
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