----- Original Message -----
From: "Art Shifrin" <[log in to unmask]>
> "I have shellac records over a century old which exhibit no deterioration
> other than wear!
> Steven C. Barr"
> How do you know that the disks have not in some way changed or
> Yes, they're playable but even glass changes shape over time.
Obviously, I have no way to know what was originaaly recorded...but what I
upon playing the discs sounds to me like what must have been recorded c.