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Thread: RAF / RN Chinagraph Pencils (Cold War era) for Kneeboards
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Old 21st Sep 2018, 17:33
  #46 (permalink)  
langleybaston
 
Join Date: Jun 2009
Location: Baston
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Have I misrembered?
Given Beagle is correct re. Opacity on OHP what on earth did Met use Chinagraph for?
The other question is what was used for colour on OHP?
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