Conceptual illustration from 1933 of an aircraft that could fly through the stratosphere from North America to Europe in 7 hours. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 2739 px × 4134 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |