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RE: Gum vs. Kallitype



Hi Suzanne,

You know, I've been putting this-over-that for awhile now, and seldom does
it work, for me.  Gum over kallitype, for instance, doesn't work very well
because the dichromate will bleach out the silver of the kallitype.  I've
tried gum over cyanotype, with no success.  Seems that cyanotype doesn't
like gelatin (this, according to list members more learned than I) causing
fogging.  Are you using gelatin to size?

I'll try putting the gum over kallitype.  Hmmmm, there was a reason I didn't
think this would work, but I can't remember what it was.  Thanks for the
tip.

On a similar note, I recently tried kallitype over cyanotype, and got some
pretty interesting results.  The cyanotype was a normal, rich blue, but when
I put the kallitype solution on, it bleached down significantly.  Here's the
result:

http://199.179.174.243/lampost.jpg

Problem is, no matter how much more exposure the cyanotype gets, it still
bleaches to the same degree.


-----Original Message-----
From: Suzanne Izzo [mailto:izzos@gusun.georgetown.edu]
Sent: Thursday, March 23, 2000 4:02 PM
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Gum vs. Kallitype


Keith--
	I was interested in reading about your putting kallitype over
gum.  I often print gum over VD (and cyanotype) and really like some of
the effects I get (and no problem with the gum sliding off), but haven't
tried the other order.  You wrote that you had started with gum *over* pd
and apparently liked the effect, so I wonder why you haven't continued
with the gum *over* the kallitype.

As for the dichromate stain, I'm with you.  I don't see this in my prints
either.

Suzanne