Title
Edison carbon telephone
Caption
Edison carbon telephone
1879
Wood engraving
London
Date
1879
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07094_390000688
License type
Rights managed
Available size
40,9Mb (2,8Mb) / 15,0in x 10,6in / 4500 x 3178 (300dpi)