Photograph of a rail-mounted glider, Germany, circa 1912-1913.Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of glider components in a workshop, Germany, circa 1912-1913.Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of Ernst Heinkel (far right) and three other men with a glider rail system, Germany, 1913.Inscription on album page: "1913."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of two men with a rail-mounted glider, Germany, circa 1912-1913. Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of men with a glider, Germany, circa 1920.Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of a man at a glider test site, Germany, circa 1920.Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of men with a glider, Germany, 1920.Inscription on album page: "[text in German] 1920."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of men with a glider, Germany, circa 1920. Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.
Photograph of triplane glider in flight, Germany, circa 1911-1921.Inscription on album page: "[text in German]."Part of a photograph album related to early German aviation, circa 1911-1921.