Caption

Microphone invented by David Edward Hugues, an american engineer ( 1831-1900 )
1869

Credit line

Photo12/Collection Jaime Abecasis

Reference

LKO22A01_080

Model release

No

License type

Rights managed

Available size

27,1Mb (5,2Mb) / 11,0in x 9,5in / 3307 x 2864 (300dpi)