Title
Edward HUGHES - 1830-1900 inventor of the microphone
Caption
Edward HUGHES - 1830-1900 inventor of the microphone
Date
1870
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP17A31_116
License type
Rights managed
Available size
60,0Mb (4,6Mb) / 13,1in x 17,8in / 3937 x 5326 (300dpi)