What manufacturing shift was the single most important element separating the gramophone from the phonograph?

Answer

Shifting from engraving to pressing from a mold

The shift from engraving cylinders to pressing discs from a mold vastly simplified mass production, transforming the economics of recorded sound.

What manufacturing shift was the single most important element separating the gramophone from the phonograph?

#Videos

Emile Berliner, Kammer & Reinhardt Gramophones, First ... - YouTube

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