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. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / COPYRIGHT STATUS UNKNOWN / SMITHSONIAN INSTITUTION |
Taille de l’image : | 2650 px × 3327 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |