[Alt-photo] HT-2 residual hypo test

Philippe Ayral payral at gmail.com
Sat Aug 5 17:32:26 UTC 2017


http://unblinkingeye.com/Articles/Archival/archival.html

You get an image of the estimator down the page.

*Philippe Ayral* *Photographie*
52, rue de Vallard - 74240 Gaillard
Tél: 04 50 39 79 81
www.payral.fr

2017-08-05 19:28 GMT+02:00 johnbrewerphotography--- via
Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org>:

> Just a thought but would something like this be in the darkroom cookbook?
> (Anchell)
>
> Sent from my iPhone
>
> > On 5 Aug 2017, at 6:06 pm, Marek Matusz via Alt-photo-process-list <
> alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> > All,
> >
> >
> > I am looking for a test chart that Kodak used to sell with the HT-2
> residual hypo test that quantifies the amount of thiosulfate in the paper.
> This was used in the B&W days to test for washing of the prints. I am
> trying to be more scientific about my salted paper printing.
> >
> > Does anybody have such a chart and could scan it for me.
> >
> >
> > Marek
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> > Alt-photo-process-list | altphotolist.org
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