From: Judy Seigel (jseigel@panix.com)
Date: 12/10/01-10:00:59 PM Z
On Mon, 10 Dec 2001, Keith Gerling wrote:
> I have done a considerable amount of gum printing over Van Dyke as well as
> kallitype. Even when printing multiple layers of gum, I have never
> experienced any changes in the contrast, tone, or overall density of the
> underlying silver. Actually, my biggest problem with this approach is
Keith, what the hell are you doing (right or wrong???!!!). Gum contains a
silver bleach, the bichromate -- vdb has silver. I've never seen or heard
of gum over vdb without at least SOME bleaching. Putting some kind of size
over the VDB ought to be as child's play in comparison. !!!!!
J.
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