Ref. the original comment about a blue glow seen in a crystal, I would suggest that it was simply a blue LED used in exactly the same way that constructers of Nixie Clocks add LEDs under the Nixie tubes to make them look more dramatic.
John _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
