[ProAudio] Question for Rich Breen re Aluminum discs

Scott Dorsey kludge at panix.com
Thu Nov 4 10:36:27 PDT 2021

That seems early for an embossed disk.  I have a giant ball stylus that
rides on top of the groove for embossed plastic discs of the forties,
but I have never tried it on embossed aluminum.

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