Via SEM and historical photographs, the authors will trace the developments of record cutting from cylinders to modern day recording techniques, and its parallel stylus/groove interfacing technology. Emphasis will be placed on the physical characteristics of the groove (depth, width, fixed or variable LP, materials, burnishing, hot and cold cutting, etc.), as well as the playback technologies employed then and now. Part 1 will address the Edison-Berliner era; Part 2 will address Maxfield-Harrison-Bell Labs, and Bachman-Bauer-Goldmark technology.
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