Ader-Van Rysselberghe telephone,19th-century artwork. The telephone was developed in the 1870s,with several inventors pioneering the technology. This early model was designed by French engineer Clement Ader (1841-1925) and Belgian engineer Francois van Rysselberghe (1846-1893). This wood engraving dates from circa 1888 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bildagentur-online / TH Foto |
Bildgröße: | 4582 px × 3825 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |