Reminds me of the video disc: basically a record with analog video on it. It had a much higher data density than ordinary records. Couldn't be played on an or

Reminds me of the video disc: basically a record with analog video on it. It had a much higher data density than ordinary records. Couldn't be played on an ordinary turntable though. https://en.wikipedia.org/wiki/Capacitance_Electronic_Disc https://en.wikipedia.org/wiki/Capacitance_Electronic_Disc