From: Don Bryant (dsbryant@worldnet.att.net)
Date: 11/30/00-10:24:34 PM Z
Robert,
> Kallitype in some forms does tend to be difficult but one version,
> namely, Vandyke brown is fairly easy. It is a simple process with
> a tonal range similar to platinum. You can use the same negatives
> as you would with platinum and it is a lot less expensive. The only
> real problem with it involves fixing. All the printed literature
> suggests a concentration of sodium thiosulfate that is to great and
> a fixing time that is too long.
I 've read that sodium carbonate may be added to rapid fix to produce an
very alkaline fixer. Also do you recommend Perma Wash for clearing.
> I have never had a problem clearing VDB and
> I have some pretty old prints that show no sign of fading.
> Also you can gold tone it useing a formula for POP or salt prints.
> I believe that someone on the list suggested selenium toner but I
> have no experience with that.
>
> There have been several great articles in the PFJ on VDB so I would
> suggest reading or rereading those since the info is more accurate
> than you will find in hardback literature.
>
> I used to start my students with cyanotype and more them to VDB
> before they tried gum or platinum. Never had any problems other than
> the usual student laziness and ennui.
>
Do you have a paper you might recommend?
Thanks,
Don Bryant
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