What material were Berliner's initial flat discs manufactured from before durability improvements?

Answer

Zinc

By 1895, Berliner's company was manufacturing discs, and these initial discs were made of zinc before the switch to more durable shellac.

What material were Berliner's initial flat discs manufactured from before durability improvements?

#Videos

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

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