In Vienna/Austria 'Traces of Fire' was presented from
  October 22nd 2004 until November 4th 2004, 14 - 18h at
  the permanent breakfast 
  gallery, Gentzgasse 120/1, 1180 Wien.

Three lighters' traces presented in detail:
  
The transmitter:
   
 
 
 
Lighter no.9.
  
Lighter no.8:
  