Aerial observation
the airplane observer, the balloon observer, and the army corps pilot
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Publication
1921 - Harper & Brothers, New York, New York (State)
Language
English
Word Count
88,750 words, Guess
Page Count
355 pages
Identifiers
- Internet Archivecu31924030744688
- Library of Congress Control Number21009719
- OCLC Control Number3672661
- Open LibraryOL24155871M
Classifications
- LCCUG630 .P6
Subjects
Other Editions
- Aerial observation: the airplane observer, the balloon observer, and the army corps pilot
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