http://www.thannalog.com/2009/05/05/dave-schafer-the-alchemy-of-printing/ an irreverent look at photography from an industry insider Sun, 29 Aug 2010 16:20:55 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://www.thannalog.com/2009/05/05/dave-schafer-the-alchemy-of-printing/comment-page-1/#comment-1214 Christopher Broughton Fri, 08 May 2009 01:33:09 +0000 http://www.thannalog.com/?p=646#comment-1214 I think I over generalized after I thought about it and there might have been a few fringe papers like a specific Berger paper that was on cotton rag. I think I over generalized after I thought about it and there might have been a few fringe papers like a specific Berger paper that was on cotton rag.

]]> http://www.thannalog.com/2009/05/05/dave-schafer-the-alchemy-of-printing/comment-page-1/#comment-1212 Christopher Broughton Fri, 08 May 2009 01:27:28 +0000 http://www.thannalog.com/?p=646#comment-1212 Interesting side note, all traditional darkroom papers were made on a wood pulp base. It was a mix of hardwood and softwood but no cotton. I can't find it now but I believe Jon Cone had information on his site at one time where the longevity ratings were actually based upon a 30% fade rate. Interesting side note, all traditional darkroom papers were made on a wood pulp base. It was a mix of hardwood and softwood but no cotton. I can’t find it now but I believe Jon Cone had information on his site at one time where the longevity ratings were actually based upon a 30% fade rate.

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