[pure-silver] Re: KRST
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 24 Aug 2007 02:47:19 -0700
----- Original Message -----
From: "Bill Stephenson" <photographica@xxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, August 24, 2007 12:00 AM
Subject: [pure-silver] Re: KRST
Back in the 60's, the portrait studio (chain) lab where I
worked used KBT and KRST mixed together (unfortunately, I
don't recall proportions) for warm reddish-brown medium
tones and colder shadows. As I recall, this was used only
with Kodak's Ektalure paper, which was fairly warm to
begin with.
-Bill
This was a predecessor to Kodak Polytoner. I have two
versions of the formula: One is from a Kodak handbook , uses
Kodalk, and gives two variations for different colors, the
other came from a magazine and uses Carbonate. I have tested
the latter. It works but is very much faster than either
toner alone, producing full toning in under three minutes at
room temperature. I am pretty sure I have posted all this
stuff to this list in the past. It should be in the
archives. If not, and if anyone is interested, I will post
it all again.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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