Eduard Spelterini 1912, 29 August Aerial view of an alpine lake and mountains in Switzerland: Glattalpsee on Glattalp, canton of Schwyz, Switzerland.
Gelatin silver print Creative Commons - Wikipedia Aerial view of an alpine lake and mountains in Switzerland: Glattalpsee on Glattalp, canton of Schwyz, Switzerland. Ortstock or Silberstock in the center, to its left Höch Turm, to its right Jõgernstöcke, photographed from a balloon. View towards the east.
E. Spelterini Über den Wolken / Par dessus les nuages (Zurich: Brunner & Co, 1928), p. 17.
