Telegraph in Russia, illustration. Russian optical telegraph. Tsar Nicholas I with French inventor Pierre Jacques Chateau, inaugurate the Saint Petersburg-Warsaw telegraphic line, Russia, 1834. Engraving in: Les Merveilles de la Science (The Wonders of Science), by Louis Figuier, France, 1868. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CCI Archives |
Bildgröße: | 3647 px × 4792 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |