Re: Does the gum pigment concentration test really work?

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From: Kate Mahoney (kateb@paradise.net.nz)
Date: 09/27/03-09:35:38 PM Z


Does the gum pigment concentration test really work?Forgive him members he knows not what he does ;)

Kate
  ----- Original Message -----
  From: Sandy King
  To: alt-photo-process-l@sask.usask.ca
  Sent: Saturday, September 27, 2003 4:22 PM
  Subject: Does the gum pigment concentration test really work?

  Dear list members,

  After seeing some of the beautiful results that are being had with gum-over methods (gum-over pt/pd, gum-over kallitype, gum-over cyanotype, etc.) I have recently been considering doing some gum printing again after a long period of abstinence.

  So here is the thing. In doing some research on gum printing I happened to come across a section in William Crawford's article on gum printing in Keepers of Light called Pigment Concentration. Crawford's description of the dot test method to determine the right pigment-to-gum ratio for various colors and papers surfaces sure seems interesting. I wonder if anybody on the list has actually tried it, and if so, what are there thoughts about how well it works?

  Thanks in advance for any useful information or opinions you may have about the dot test method described by Crawford.

  And BTW, please don't refer me to the list archives. Even though the test may have been discussed on the list at some point in the past I would really like to hear some fresh opinions on the subject.

  Sandy King


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