General notions of organization and tactical suggestions indispensable to the balloon observer
By: issued by Division of Military Aeronautics, U.S. Army; information given by French instructors to Army Balloon School, American Expeditionary Forces.
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Number of pages: 22
Subjects: Balloons -- Tracking; Aeronautics, Military; Air warfare
Other titles: Balloon observer, general notions indispensable to the.