Illustration showing balloon trials with a tethered, moored or captive balloon on the sea at Heligoland, Germany. Reproduction of an original print from the year 1881. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bildagentur-online / TH Foto |
Taille de l’image : | 3518 px × 5058 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |