Telephone apparatus available to New York subscribers. This used an Edison transmitter and a 'pony crown' receiver (lower right of picture. Wood engraving c1891 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 5772 px × 6056 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |