Before you go, google "uv aircraft panel lights". I believe they were used in some military aircraft. The pilots sometimes=20 complained that their eyes felt "fuzzy" when returning from a night mission= .. On 11/5/2014 6:01 PM, RussellMc wrote: > Noting that my tales of UV burned eyes etc have already got well off the > original subject and may also have been better off in OT:-) > --=20 John Ferrell W8CCW Julian NC 27283 It is better to walk alone, than with a crowd going the wrong direction. --Diane Grant --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .