Alexander Graham Bell (1847-1922) Scottish-born American inventor: patented telephone 1876. Bell in lecture hall of Boston University,communicating by means of his second telephone to colleague in basement. Wood engraving,Paris,1883 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 3440 px × 5080 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |