On Apr 1, 2022, at 1:25 PM, Chuck Guzis via cctalk
<cctalk at 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