Siemens telephone,19th-century artwork. The telephone was developed in the 1870s,with several inventors pioneering the technology. This is a Siemens model. The German company Siemens was founded in 1847 by Ernst Werner von Siemens. This wood engraving dates from circa 1888 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bildagentur-online / TH Foto |
Taille de l’image : | 3235 px × 5433 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |