Old 21st Sep 2018, 16:06
  #41 (permalink)  
langleybaston
 
Join Date: Jun 2009
Location: Baston
Posts: 1,609
And Met

Met used Chinagraph for a variety of jobs ...... Obvious one was briefing using OHPs.
Type morphed several times as they technology (snigger) advanced. Didn't use edge lit displays but certainly
Black red blue purple yellow (fog) and green (rain)
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