Synopsis of military subjects for instruction of balloon observers.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Corporate Author:	United States. Army
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1920.
Series:	Air Service Info. Circ. Lighter-Than-Air No. 139. Balloon Notes No. 12.
Subjects:	Airplanes, Military. Balloons. Infantry.

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Full Text (via ProQuest)

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Call Number:	W87.11-1.139
W87.11-1.139	Available