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Key terms: records cylinder disc edison phonograph audio machines disc records groove cylinder records marketed earliest fidelity lid tinfoil wax cylinders belt columbia plastic printed minute improved dozen record company preservation stylus playback listen medium linear advantages mechanism mandrel cheaper dictaphone phonograph cylinders superior velocity playable surviving cardboard cylinders could cylinder phonographs manufactured audio fidelity indestructible edison records could be played gramophone record columbia phonograph Search external links cited by footnotes on Wikipedia page Phonograph cylinder: |
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