Original poster: Steve Conner <steve@xxxxxxxxxxxx>
I wonder if Radio Shack used annealing ovens on "Eye of the Storm" plasma displays? If those displays use 1-atmosphere argon/helium/xenon mixture, then perhaps the outgassing from the glass has little effect since the outgas volume is tiny when compared to the gas that's in the globe.
Steve Conner http://www.scopeboy.com/