Henk,
an interesting effect for a "gum-over" might be using the PT/PD printed image
as a negative itself and just coating the PT/PD print with a gum mixed with
diluted pigment and exposing from the back.
Mark Nelson
In a message dated 4/13/06 2:21:05 PM, henk.thijs@hetnet.nl writes:
> Could the info gained by the discussion concerning the 'top dow
> experiment', also be useful for a process like gum over pt/pd.
> I mean that one could coat a pt/pd print with a gum-pigment-chromate
> solution and i.s.o. going through normal procedure with putting the
> negative on etc., just expose through the back. ; there would be some
> proportial light reaching the gum-emulsion in relation to the coverage
> of the pt/pd print, or?
> I remember vaguely some discussion in the 'old' days of the list, but i
> could not find something in the archive.
> Regards,
> Henk
>
Mark Nelson
Precision Digital Negatives
Received on Thu Apr 13 15:26:54 2006
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