Aussenstation
From The Space Library
Model of H.H. Koelle's Aussenstation and H.Hoeppner's Optimale Raketen (far left) at the 2nd International Astronautical Congress in London, 1951. (Image courtesy of Elisabeth Koelle)
Model of H.H. Koelle's Aussenstation and H.Hoeppner's Optimale Raketen (far left) at the 2nd International Astronautical Congress in London, 1951. (Image courtesy of Elisabeth Koelle)
