- Devices for recording and reproducing sound by means of a stylus needle vibrating in grooves carved into a cylinder or disc, whose rotation was powered by hand or a clockwork motor. The phonograph appeared in the 19th century as a scientific curiosity, and by the early 20th century it had become a key component technology of the entertainment industry.
- Hackmann 2003
- Phillips 2019
- Katsiadakis Helen (AA)
- Mergoupi-Savaidou Eirini (AA)
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Created 2020-09-16, last modified 2020-10-19