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For a moment I was disoriented, seized by panic; could a ghost embody itself through wavelengths, electronic dots, a picture tube?

“Once the picture tubes are gone, that’s a showstopper,” he added.

Despite all this, picture tube televisions continue to linger.

Each was housed in a large rectangular wooden box containing a cathode picture tube with a set of crude game controls mounted in front of it.

The new LCD TVs, which use LEDs to illuminate the picture, don’t have a picture tube.