Alexander Graham Bell (1847-1922) Scottish-born American inventor,lecturing on his telephone at Salem (top) while friends in his study at Boston listen to his lecture - 12 February 1877. Wood engraving published Paris 1890 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 4505 px × 7758 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |