29.9 MB (2.8 MB compressed)
2607 x 4015 pixels
22.1 x 34.0 cm ⏐ 8.7 x 13.4 in (300dpi)
OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY
Thomas Alva Edison's first Phonograph, 1878. In this model the cylinder on which the sound was recorded had to be rotated by hand. Instrument in recording mode. A horn was fitted to play back recording. From Theodore Eckardt Physics in Pictures, London, 1882.
Model release not required. Property release not required.