Browse Items (457 total)

Photograph of a German observation balloon tethered to the ground, circa 1914-1918.

Photograph of a German observation balloon tethered to the ground, circa 1914-1918.

Photograph of a German observation balloon, circa 1914-1918. Several servicemen hold the balloon's tethers. A balloon winch is visible on the left side of the scene.

Photograph of a German observation balloon, circa 1914-1918.

Photograph of a German observation, circa 1914-1918.

Photograph of Glenn Curtiss operating a motor ice boat on Lake Keuka, Hammondsport, New York, circa 1900s-1910s.  Caption on envelope: "Glenn Curtiss on motor ice boat / Hammondsport, New York." Caption on negative: "Motor ice boating / Lake Keuka,…

Photograph of a gondola and gasbag of unidentified airship, circa 1910s.

Photograph of a Gourdou aircraft, front view, circa 1914-1920. Caption on album page: "Gourdou."Part of a photograph album of French aircraft, circa 1914-1920.

Photograph of a Gourdou aircraft parked in a field, rear view, circa 1914-1920. Caption on album page: "Gourdou."Part of a photograph album of French aircraft, circa 1914-1920.

Photograph of a Gourdou aircraft, three-quarters right view, circa 1914-1920. Caption on album page: "Gourdou."Part of a photograph album of French aircraft, circa 1914-1920.