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[Caquot observation balloon in flight]
Photograph of a Caquot observation balloon in flight, likely in France, circa 1918.
[Tally form for balloon observation notes, circa 1918]
Tally form for balloon observation notes, including ascensions, adjustments, registrations, hostile batteries seen in action, and hours in the air, circa 1918.
[Servicemen with tethered and covered observation balloon]
Photograph of two servicemen with a tethered and covered observation balloon, likely in France, circa 1918.
[Servicemen with Caquot observation balloon]
Photograph of servicemen with a Caquot observation balloon, likely in France, circa 1918.
[Caquot observation balloon in flight]
Photograph of a Caquot observation balloon in flight, likely in France, circa 1918.
[Paper stencils of balloons]
Paper stencils of balloons, circa 1918. Inscription: "Sgt. E. L. Koperski, Balloon Wing 4th A.C."
[Tethered balloon]
Watercolor sketch of a tethered balloon, circa 1917-1918. Pencil lines depict how the balloon is tied and anchored to the ground. Reverse includes numerous ink sketches.
[Servicemen with horse-drawn carts and tethered observation balloon]
Photograph of German servicemen with horse-drawn carts and a tethered observation balloon, circa 1914-1918.
[Servicemen and civilians gathered around German balloon]
Photograph of a servicemen and civilians gathered around a German balloon, circa 1914-1918.
[German observation balloon tethered to ground]
Photograph of a German observation balloon tethered to the ground, circa 1914-1918.