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RE: Gum vs. Kallitype
Andre et al,
Yes. I can verify that cyanotype over gum works well as does
VDB over gum, but not visa versa. See my earlier post.
Bob Schramm
>From: Andre Fuhrmann <Andre.Fuhrmann@uni-konstanz.de>
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: alt-photo-process-l@sask.usask.ca
>Subject: RE: Gum vs. Kallitype
>Date: Fri, 24 Mar 2000 09:51:17 +0100
>
> >You know, I've been putting this-over-that for awhile now, and seldom
>does
> >it work, for me. ... 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.
>
>Can't confirm the latter but the former: gum over cyanotype has never
>worked for me either. The idea is tempting though: let cy take care of
>the delicate highlight rendering and print the shadows with gum. But I
>invariably found that the dichromate nibbles away exactly the cy highlights
>leaving only the shadows that I want to overprint anyway. If it is just
>for the colour of cy one is much better served with one or more layers of
>Prussian/Parisian Blue. Other solution: first print the gum layers,
>finally print cy.
>
>André
>
>
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