Capacitance Electronic Disc, CED, or Vinyl Video Disc.
The picture your looking at the lines through the microscope eyepiece: (this was quite tricky to do given the visual distortion caused by disc itself)

#CapacitanceElectronicDisc #CEDVideoDisc #RCAVideoDisc

The sticker label is in stereo. If need to be. For the CED videodisc system.

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#rcavideodisc #stereo #noisereduction #Hi-Fi #system