Re: gelatin

From: Carmen Lizardo ^lt;[email protected]>
Date: 10/21/05-04:41:39 PM Z
Message-id: <20051021224139.23384.qmail@web53902.mail.yahoo.com>

I agree with Judy,
I found that making a cyano on sized paper gives an
inferior print.
When I make a gum print, using a cyanotype as my first
layer, first shirk the paper, then pint the cyano and
lastly I size and harden with gelatin and glyoxal.
Carmen

--- Anne van Leeuwen & Peter Hoffman
<anne_peter@earthlink.net> wrote:

> Judy,
>
> What I hear you saying is that from your experience
> it is best not to
> size for cyanotype at all.
>
> And for gum, size with gelatin but only gelatin
> hardened with glyoxol
> (or other hardener).
>
> I haven't done the extensive experimenting you and
> others on this site
> have so I appreciate the feed back. I'll still
> experiment but can
> possibly draw some conclusions more quickly.
>
> Thanks, Anne
>
>
> On Oct 21, 2005, at 2:12 PM, Judy Seigel wrote:
>
> >
> > On Thu, 20 Oct 2005, Anne van Leeuwen & Peter
> Hoffman wrote:
> >
> >> I've read some talk here that gelatin is not
> necessarily good. I
> >> wonder what that is about?
> >
> > What it's about is what the tests show. For
> instance, my tests showed
> > that a gum print on paper that's been wet and
> dried -- just about any
> > paper -- without an added size, doesn't print as
> well, for my printing
> > methods. They also show that gelatin size without
> a hardener added
> > doesn't print as well in gum, for my printing
> methods. Etc.
> >
> > I also found that of a dozen or more cyanotype
> size/no size tests I
> > did, a gelatin size, hardened or not, always made
> an inferior print. A
> > starch size *sometimes* made an equivalent print,
> but never better,
> > and starch size is also a PIA.
> >
> > "Print as well" in these cases means things like
> D-max, smoothness,
> > tone and/or scale, or other characteristics of the
> medium.
> >
> > But these are my conclusions for my papers and my
> print ideas, and may
> > not hold for anyone else -- especially on handmade
> paper which may
> > well be sui generis. However, my tests were with
> 21-step sensitivity
> > guides which, whoever is testing and however they
> test, tell more than
> > an "image" negative, which is, no matter how
> "beautiful" it may be or
> > print, essentially random density.
> >
> > Judy S.
> >
>
>

                
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Received on Fri Oct 21 16:41:51 2005

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