Chlorobromide & Dassonville Charcoal black paper

• To: alt-photo-process-l@sask.usask.ca
• Subject: Chlorobromide & Dassonville Charcoal black paper
• From: Mac Legrandi <juicebox@my-Deja.com>
• Date: Sun, 26 Mar 2000 20:57:23 -0800
• Comments: "alt-photo-process mailing list"
• Organization: My Deja Email (http://www.my-deja.com:80)
• Reply-to: alt-photo-process-l@sask.usask.ca

Hello!

With the recent discussion of Dassonville Charcoal black paper, I checked out the Lotus site regarding the bergger Silver Supreme paper. (see their description below). Can anyone share some chlorobromide (or "classic silver-chloride contact-speed paper") emulsion formulas?

Thanks

Mac


>From the Lotus web site:

Lotus View Camera offers a novel paper for enlargements and contact prints that comes from a recipe  formulated by Guy Gerard. The base is a 320g cotton  card manufactured in France by Arches exclusively for Bergger.

Without barium sulfate, but provided with a thin gelatin layer, this card is coated with such a silver-rich emulsion that grades 2 to 4 can be implemented simply by exposure and development (in standard developers).

The effect is similar to that of a platinum-palladium print and other alternative
processes: the picture is not on the surface of the paper as with traditional silver
bromide pictures, but is fused with the outstanding base. The tones are extremely well
separated and extend from deep, vibrating blacks to very finely detailed highlights.



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