Today's Mystery Guest (RCA CTC-4)

[Username1]

Originally Posted by sweitzel

While all of the above seems logical in regards to elements being damaged by exposure to air, keep in mind that RACS in France when they were still in business a couple years ago successfully rebuilt a necked 15gp22 that was exposed to air for many years. The screenshot after rebuilding seems to indicate that air did not cause any damage to the mask or phosphors.

Well there ya go-

Better take steps to protect this dud from further oxidation....