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171Re: [PPLetterpress] Halting exposure

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  • Gerald Lange
    Oct 11 10:11 PM
      Dear Mark

      Stay with the goldenrod. Strips of film negative will work as well.


      Mark Attwood wrote:
      > Gerald,
      > I have found that UV light seems to partially go through rubylith and give
      > semi-exposed areas on the polymer, whereas if I use goldenrod paper it
      > doesn't do it. Am I using the wrong rubylith?
      > Mark.
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