U of S | Mailing List Archive | alt-photo-process-l | Re: First tricolor gum

Re: First tricolor gum

Bruce...
 
It was taken at an instrument petting zoo (!) at the local orchestra (Pasadena Symphony) kid's day...it's a viola.
 
Also, photo by my wife...I can only claim credit for gumming up the works!
 
Paul
 
 
----- Original Message -----
Sent: Thursday, July 02, 2009 3:32 PM
Subject: Re: First tricolor gum

Wow. That is an impressive improvement! I must try it too. I've never been brave enough to try more than one colour yet.
But can you do something about the size of her violin? It looks a bit big for her!

Bruce

On 3/07/2009, at 10:25 AM, Paul Viapiano wrote:

Today I added an Aureolin yellow exposure (which was pale, but present) and a heavier pigment mix of Prussian Blue.
 
 
You can clearly see the difference between the results from yesterday and today's added layer(s).
 
Thanks for all the suggestions...looking forward to trying some more soon...
 
Paul
 
 
 
----- Original Message -----
Sent: Thursday, July 02, 2009 11:20 AM
Subject: Re: First tricolor gum

The yellows I have here at home are Aureolin and New Gamboge, both Dan'l Smith pigments...
 
Maybe I'll try a yellow exposure followed by a final blue one on the print I posted.
 
Thanks all...
 
Paul
 
 
 
----- Original Message -----
Sent: Thursday, July 02, 2009 8:45 AM
Subject: RE: First tricolor gum

Paul,
Welcome to the gum community. The print is very nice. You got the sun exposure/development nicely worked out. FOr a tricolor get a nice intense yellow. A number of them have been sugested here. If you so desire you can print another blue layer just for the shadows (shorter exposure).
Marek
 
Date: Wed, 1 Jul 2009 17:55:17 -0700
From: viapiano@pacbell.net
Subject: First tricolor gum
To: alt-photo-process-l@usask.ca

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.

Insert movie times and more without leaving HotmailŪ. See how.

Bruce White
Photography Department
Westland High School
PO Box 154
Hokitika




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