'Reproducing speech'. Demonstration of Thomas Ediso n's Phonograph by the New York Telephone Company at the Tribune Building,

- Image ID: ERH9M4
Lebrecht Music & Arts / Alamy Stock Photo
Image ID: ERH9M4
'Reproducing speech'. Demonstration of Thomas Ediso n's Phonograph by the New York Telephone Company at the Tribune Building, 1877. Illustration by C.A. Keetels (dates unknown).