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On 23 Feb 2001, at 21:10, Dave Hall wrote: > > As glass becomes brittle over time, I guess it becomes less > > dense and hence allows more UV radiation in. > Uh? You mean the glass gets thicker, or lighter? I think Dave is trying to diplomatically say "No way!" - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe