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Unknown Device?

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12-29-2020, 04:40 PM

old_tv_nut old_tv_nut is offline

See yourself on Color TV!

Join Date: Jul 2004

Location: Rancho Sahuarita

Posts: 7,795

Images 7 and 8 show "QA LAB" melted into the plastic case with a soldering iron tip.

So, I think this was a 4X magnifier that had the filters and calibrated knobs added by RCA's quality assurance lab at Lancaster. Used by them internally, not by purchasers of their tubes.

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