[78-L] groove size again

[Steven C. Barr]

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From: <neechevoneeznayou at gmail.com>
> What would be the widest groove ever used in commercially recorded
> records?  I'm thinking Pathe, but would like some numbers. If there were
> records made with a groove wider than Pathe, pls give us some names also.
>
Hard to say...since 78's didn't have an "official" size for the first two or 
three
decades of their existence! I have a couple of Grey Gull discs whose grooves
are so wide they don't play very well; however, I suspect that was NOT
intended...?!

Steven C. Barr