> On Apr 1, 2022, at 1:25 PM, Chuck Guzis via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> Wasn't some of this glass delay line memory used in early raster-scanned
> computer video displays?

I don't know about that one, but a delay line is a key component of a PAL 
(European) system color TV receiver.

        paul

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