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Balloons - Miscellaneous - An observation balloon, Polo Grounds, Washington, D.C
Summary
Photographer: C.P.I.
Balloons - Miscellaneous
Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Tags
Date
1917 - 1918
Source
The U.S. National Archives
Copyright info
No known copyright restrictions
