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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 4505 px × 7758 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |