RE: Why multiple exposure (was Re: (Gum) Tonal scale)

Loris,

I'm not seeing any stain, pigment or otherwise on my monitor. It appears that the upper steps have remained paper white.

If there were pigment stain, all steps would have a tinge of blue but step 17 is the last step I see as having blue tint. Ditto as far as any green dichromate stain showing.

I'm running a few tests myself with a Stouffer wedge today. On your wedge are the steps equal to 0.10 density units? Can you relist the pigment/gum/dichromate mixture and paper data you've used?

Thanks,

Joe

---
>>> loris_medici@mynet.com 12/01/05 3:24 PM >>>
BTW, I've uploaded the scan of the test. Any comment would be appreciated.
http://www.loris.medici.name/Gum-Test-01.jpg
It looks like there's some staining (unsized Whatman HP watercolor paper) -
both pigment and dichromate stain (the latter being greenish - I guess it
will clear in metabisulfite... But I will try to size the paper first).
Regards,
Loris. 
-----Original Message-----
From: Loris Medici [mailto:loris_medici@mynet.com] 
Sent: 01 Aral*k 2005 Per*embe 21:47
To: alt-photo-process-l@sask.usask.ca
Subject: RE: Why multiple exposure (was Re: (Gum) Tonal scale)
Hi Katherine. I was talking about one color / one layer of the tricolor. The
test I did was one coat, one color. I mention tricolor just because I'm
making tests in order to make tricolors in the future.
...