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 New York 1890 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 4002 px × 4500 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |