SON-T PIA Plus
Early 1990s' 70 W SON-I lamp (Turnhout, Belgium).
SON-E dating from June 2001; as used in the Holophane Wallpackette II (Turnhout, Belgium).
SON-T Comfort from 1989 (Turnhout, Belgium)
SON-E Comfort from July 2001 (Left) and SON-T Comfort from January 2002 (Right).
SON-T from August 1998 (Turnhout, Belgium).
For a video of a 150 W Philips lamp with an arc tube leak trying to activate, please click here.
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