[78-L] Groove spacing - groove width

[Mark Bardenwerper]

On 11/19/2016 10:11 AM, David Lennick wrote:
> Vitaphone discs were 16 inch (apparently some smaller ones were used for the
> songs in The Jazz Singer, which must have driven the projectionists to with
> they were octopussies). That size and speed became the basis for transcription
> discs by 1930. The original Vitaphone discs did indeed play for only 10
> minutes, so groove spacing and width could be wider.
>
> dl
...and they were inside start.

-- 
Mark L. Bardenwerper, Sr.

Technology...thoughtfully, responsibly.

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