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Old 18th May 2014, 11:45 AM
Terry S Terry S is offline
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Join Date: Dec 2011
Location: Southend on Sea, Essex, England UK
Posts: 2,146
Default Enlarged copy negative with reversal process link

And here is a link to the article talked about some time ago now:

http://unblinkingeye.com/Articles/NbyR/nbyr.html

Terry S
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