Johann Philipp Reis, Telephone, 1860

---

Size: 3000px × 1924px
Location:
Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1860, 19th, art, bw, century, communication, communications, early, engraving, german, history, illustration, invention, johann, magnetostriction, philipp, phone, proto, reis, science, technology, telecommunications, telephone