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Text File  |  1992-09-03  |  242b  |  8 lines
  1. Orthochromatic is a photographic film or 
  2. paper of decreased sensitivity, which can be 
  3. processed with a red safelight. Using it, 
  4. blue objects appear lighter and red ones 
  5. darker because of increased blue sensitivity.
  6.  
  7. Subject by: Shaun Jay
  8.