Re: Fisheyes in Gum

Chris,
This (the fact that it only happened with the Fabriano and not the
Rives) makes me even more suspicious that it's related to the internal
sizing of the Fabriano, though it could be something that happened at
the factory rather than in your bathtub. (This is why many gum printers,
including me, abandoned Arches Aquarelle a few years ago, as you
probably know, because it was coming from the factory with weird flaws
in the internal sizing). That line across looks to me like the internal
sizing gravitated there and settled along the edge of the damp area.

I read "Fabriano" and assumed "Fabriano Uno"; that was my mistake.

Gary asks what is the "unwetting agent" that is causing his fisheyes; I
would put 99cents of my dollar on gelatin. That one string of them
especially looks like gelatin somehow got splattered there as the
gelatin was starting to set, so instead of melting into the other
gelatin those splashes stayed separate and dried thicker than the rest
of the gelatin. That's my best guess. As to the other spots, in the
other picture, those I'll need to think about.
Katharine

Christina Z. Anderson wrote:
>
> Gary,
> This is exactly what my fisheyes look like. I am able, most of the
> time, to keep brushing the gum over them and the paper will finally hold the
> gum without fisheying. The paper is rejecting the gum, whether from grease
> or sizing or what have you.
> The dark spots feel like just the opposite, as Katharine was saying. I
> painted on the gum/pigment, and it immediately got measles. With each coat
> of new pigment and development, it never changed, but the measles got
> darker. So those areas of the paper are drinking up the gum/pigment and
> holding onto it.
> So this batch of paper, for whatever reason--sitting around for a
> couple years in my darkroom, perhaps I didn't interleave enough (I really
> have a hard time thinking that is the case tho because I did do so, but then
> again when I left the batch sitting in my bathtub for the time I was in the
> darkroom they remained static, so that could have been the outcome). You
> know what tho, I just realized??? I had Rives in there, too, and none of
> the Rives did this. So it must be something in the Fabriano paper that
> didn't sit well with operator error.
> This is Fabriano with no Uno written on it; hence I think (since Uno
> usually says Uno at the bottom of each piece) it may be artistico. Hot
> press.
> BTW it is not the only image that has this on it; I have about 4 that
> exhibit the same weird line, without the spots.
> Chris
> ----- Original Message -----
> From: "Gary Nored" <gnored@centurytel.net>
> To: <alt-photo-process-l@sask.usask.ca>
> Sent: Tuesday, December 09, 2003 12:10 PM
> Subject: Fisheyes in Gum
>
> > To add to Katharine's web posting of Chris' gum defects, I added
> > two images of defects to my own web page. One picture is of
> > defects that sometimes occur when applying a layer of sensitized
> > gum. The other shows defects which may appear in the final print.
> >
> > The links are too long for my mail client's settings. Just go to my
> > home page and click on "Gum Printing Defects."
> >
> > The dark spots on Chris' image look similar to those I encounter,
> > but they are much bigger. I've never seen a line like his before
> > though.
> >
> > Any ideas?
> > Regards,
> > Gary Nored
> > http://home.centurytel.net/Gary_Nored/
> >
Received on Tue Dec 9 12:04:58 2003