Divers using electric lighting,Engraving from 1886 showing divers surveying the sea bed,which is illuminated by an electric light. Electric lights were first used by divers in 1864 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bildagentur-online / Tschanz |
Bildgröße: | 3558 px × 4959 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |