Title
Edison carbon telephone: sending and receiving apparatus with battery box at base
Caption
Edison carbon telephone: sending and receiving apparatus with battery box at base. Solid metal diaphragm.
1890
Wood engraving
New York
Date
1890
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07094_390000687
License type
Rights managed
Available size
40,7Mb (1,4Mb) / 10,5in x 15,0in / 3163 x 4500 (300dpi)