Why?  Why has America no rigid airships?
Subtitle: A study of the characteristics of large ocean-crossing rigid airships, leading up to the question, Why does not American use all three, the dirigible, the airplane and the steamship, to provide this country with the best possible transportation system?
By: By P. W. Litchfield and Hugh Allen.
Contributors: Allen, Hugh, 1882-
Publisher: Corday & Gross co.
Published: 1945
Place of publication: [Cleveland
Language: eng
Number of pages: 143
Subjects: Airships.; Aeronautics, Commercial -- United States.
Other titles: Why has America no rigid airships?
Notes: Bibliography: p. 143.
Includes index.