[pure-silver] sepia toners OFF LIST

  • From: Ray Rogers <earthsoda@xxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Sat, 16 Jul 2005 00:47:51 -0700 (PDT)

(This is off list)

Hello Dave,

I saw your comment about the sepia toners... is this
because the first type was for papers having old style
lumpy grains (Single jet emlsions), and the later type
was for emulsions composed of cubic crystals (Double
Jet emulsions)?

I was wondering if you have (or know where I can find)
Electron Micrographs for the different paper

I am trying to figure out when cubic grains first
appeared in B/W papers... and why.

Do you know?

Thank you,


Dave Valvo <dvalvo@xxxxxxxxxxxxxxxx> wrote:

> Kodak sells two Sepia toners.   I formulated Sepia
> II to be a stronger
> bleach.  Use it if you are having trouble bleaching.
>  The redeveloper is the
> same in Sepia I or II.  Sepia I was designed years
> ago for the old simple
> emulsion chemistry papers.
> Dave

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