Pressure airships.
By: Part I-Nonrigid airships, by Thos. L. Blakemore.  Part II-Semirigid airships, by W. Watters Pagon.
Contributors: Pagon, William Watters, 1885-
Publisher: The Ronald press company
Published: 1927
Place of publication: New York
Language: eng
Number of pages: 311
Subjects: Airships.
Other titles: Nonrigid airships.; Semirigid airships.