Communication in antiquity, illustration. Alphabetic signals made by torches, invented by the greek historian Polybius (II century. B. C. ). Engraving in: Les Merveilles de la Science (The Wonders of Science), by Louis Figuier, France, 1868. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CCI Archives |
Taille de l’image : | 4794 px × 3645 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |