Phonograph Cylinder - Disc Records

Disc Records

In the era before World War I, phonograph cylinders and disc records competed with each other for public favor.

The audio fidelity of a sound groove is debatably better if it is engraved on a cylinder, due to much improved linear tracking, and this was not resolved until the advent of RIAA standards in the early 1940s, by which time it was a moot point, as cylinder production stopped with Edison's last efforts in October 1929.

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