That’s a good first start for a sun
print .
Don Bryant
From: Paul Viapiano [mailto:viapiano@pacbell.net]
Sent: Wednesday, July 01, 2009
8:55 PM
To: alt-photo-process-l@usask.ca
Subject: First tricolor gum
OK, I tried a tricolor gum today with the intent of getting
true color. Using 1:1 gum/dichromate ratios and sun exposures of 3 minutes and
30-60 minute development, I ended up with this:
My guess is that I'm not putting enough pigment in my
mixes...especially the blue pigment.
I used Prussian Blue, Warm Sepia, and Anthraquinoid
Red...all Daniel Smith watercolors.