From: George L Smyth (glsmyth@yahoo.com)
Date: 09/18/02-05:36:48 AM Z
Liam -
Last night I tried printing by changing the operation so that I coated once,
then wiped off the excess with a dry foam brush. I then waited fifteen minutes
and coated again, then wiping with the dry brush. I am still getting those
spots (and I lost contrast, though I an assuming that that was due to the scnd
coat).
I am beginning to suspect the paper, as I have no other possibilities in mind.
I won't be home tonight, but will try printing Thursday night with cyanotype on
this paper to see if I yield the same results.
Cheers -
george
--- Liam Lawless <liam.lawless@blueyonder.co.uk> wrote:
> George,
>
> Further to the advice I gave the other evening, I've just had the same fault
> on Arches Platine, having done what I suggested you do. At the moment,
> three possibilities occur to me. The latest print was made on paper from a
> batch that I've had a couple of years, whereas newer paper printed OK. Or
> maybe penetration of the sensitiser was uneven owing to the fact that I
> dried it too quickly. Or maybe it was only superficially dry, resulting in
> local variation of sensitivity. More tests tonight, and I'll report back
> tomorrow.
>
>
>
> Liam
>
> -----Original Message-----
> From: Sandy King [mailto:sanking@clemson.edu]
> Sent: 16 September 2002 14:45
> To: alt-photo-process-l@sask.usask.ca
> Subject: RE: Van Dyke Problem
>
>
> George wrote:
>
>
>
> >My normal coating operation involves coating it once, changing direction
> and
> >moving the foam brush over it again, then wringing the brush out, changing
> >direction, then going over it again, then repeating this in the fourth
> >direction, in an attempt to ensure an even coating. In the example I only
> >brushed in two directions, since I was just putting together a test strip
> to
> >get a general exposure idea.
> >
> >I will attempt it again with your idea of moving over it with a dry brush
> >following the initial application. You may be right that the paper could
> be a
> >problem, as I don't know of anything else that has changed in my routine.
> >
> >Cheers -
> >
> >george
>
>
>
>
> My coating method is rather similar in that I making multiple passes
> in order to even out the coating. This includes passes on the
> horizontal, vertical and diagonal of the coating surface. However, I
> coat with either a Hake brush or the Richeson "magic brush". Both are
> much softer and abrade the paper less than common foam brushes.
>
> Sandy King
>
>
>
> >
> >
> >
> >--- Liam Lawless <liam.lawless@blueyonder.co.uk> wrote:
> >> George,
> >>
> >> Looks like a problem I've had, but with finer "pitting" that vaguely
> >> resembles very coarse reticulation. It occurred for me on Arches
> Aquarelle
> >> hot-pressed paper, and I believe it is caused by uneven absorption of
> the
> >> sensitiser. The paper you're using may be partly to blame, but maybe
> you're
> >> also making it too wet. I got rid of it by slapping on the first coat
> >> quickly (w/foam brush), then going over it with a dry brush, and then a
> hair
> >> dryer. It's not necessary to get it bone dry at this stage, just don't
> >> allow the paper to stay too wet for too long. After the hair dryer, I
> give
> >> a second coat in the same way, and print when thoroughly dry.
> >>
> >> At the moment I'm using Arches Platine and have had no problems with it.
> >> (But it prints a lot more contrasty than other papers.) In my
> experience,
> >> papers can vary a bit from batch to batch, so if the same paper has been
> OK
> >> for you before, maybe this batch isn't sized quite as well.
> >>
> >> Unless someone has another explanation...
> >>
> >>
> >>
> >> Liam
> >>
> >> -----Original Message-----
> >> From: George L Smyth [mailto:glsmyth@yahoo.com]
> >> Sent: 16 September 2002 02:02
> >> To: alt-photo-process-l@sask.usask.ca
> >> Subject: Van Dyke Problem
> >>
> >>
> >> I've been doing Van Dyke for quite some time (well, on and off), and
> have
> >> come
> >> across a real problem. I am getting some sort of pitting in my images,
> and
> >> I
> >> can't seem to track down the source of the problem. An example of a
> test
> >> strip
> >> showing this can be found at
> >> http://mywebpages.comcast.net/hmpi/Temp/Pitting.jpg.
> >>
> >> I am using the standard chemical (the first formula found in Judy's
> >> publication, volume 1), so there's nothing weird there. I apply with a
> foan
> >> brush. I am developing with water for about 3-4 minutes, fixing with a
> 5%
> >> sodium thiosulfate solution for about 3 minutes, then washing (I've
> tried
> >> using
> >> and not using PermaWash, without any difference). I am using Arches
> >> Aquarelle,
> >> which in the past has worked just fine.
> >>
> >> As far as I know, there has been no change in the water.
> >>
> >> Does this problem look familiar to anyone? I haven't had this problem
> in
> >> the
> >> past and it first started happening about two months ago. I put
> everything
> >> down, as I didn't have time to do any alt process, but returning I am
> seeing
> >> the same problem.
> >>
> >> Any ideas would be greatly appreciated.
> >>
> >> Cheers -
> >>
> >> george
> >>
> >> =====
> >> Handmade Photographic Images - http://GLSmyth.com
> >> DRiP Investing - http://DRiPInvesting.org
> >>
> >> __________________________________________________
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> >
> >
> >=====
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> >
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> --
>
>
=====
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