Lewis Richard Koller (1895-1993), American physicist standing next to the daylight recording device made for Italian explorer Umberto Nobile for his proposed trip over the North Pole. Photographed in the General Electric Research Laboratory. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / COPYRIGHT STATUS UNKNOWN / SMITHSONIAN INSTITUTION |
Bildgröße: | 2650 px × 3327 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |