Principles underlying the use of balloons. Issued by the Division of military aeronautics, U. S. Army. A summary of the instructions given by Commandant Soconney [!] at his school at Vadenay.
- Washington, Govt. print. off., 1918.
- 20 p. 20 cm.
war21000059
Aeronautics, Military--United States. Balloons. Balloons and ballooning, Military.