Caption
Microphone invented by David Edward Hugues, an american engineer ( 1831-1900 )
1869
Credit line
Photo12/Collection Scripta
Reference
PHD26A13_311
Model release
No
License type
Rights managed
Available size
27.1Mb (2.8Mb) / 11.0in x 9.5in / 3307 x 2864 (300dpi)