Re: Does the gum pigment concentration test really work?

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From: Judy Seigel (jseigel@panix.com)
Date: 09/26/03-10:31:55 PM Z


Oh Sandy, that's got to be Paul Anderson's great gum pigment ratio
test.... Another case of copying without credit, as all these books do
except Luis Nadeau. (He can be wrong but at least he cites the original.)

Meanwhile, I rarely bet less than a million dollars, but i'd bet 2 million
Crawford never did it, or if he did never ran a control. Meanwhile, you
may have noticed my cri de coeur of 1/2 hour ago, subject line something
like "the great GPR test". Are you trying to egg me on?

J.

On Sat, 27 Sep 2003, Sandy King wrote:

> 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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