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Old 4th Jul 2014, 20:45
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PAXboy
Paxing All Over The World
 
Join Date: May 2001
Location: Hertfordshire, UK.
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When they were first devised, they would have been filament lamps but now (MY GUESS) is that they are LEDs that illuminate a Fluorescent strip, so failure greatler reduced. (/MY GUESS)
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