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Re: daylight process

by "Richard Knoppow" <dickburk@[EMAIL PROTECTED] > Sep 30, 2007 at 03:40 PM

"lofty" <miduck8@[EMAIL PROTECTED]
> wrote in message 
news:13g07h7pb53aabc@[EMAIL PROTECTED]
> Hi all,
> At a loss of something to do, I have scanned a neg into my 
> computer,
> manipulated the image, and then printed out onto an A4 
> transparency sheet as
> a negative, in the dark I then taped it onto a sheet of 
> very old Kodak
> bromide paper, put a sheet of glass over it and placed it 
> into the sun for
> about 1 hour.
> I then fixed the image and selenium toned the picture.
> I got an image with some beautiful colours and tones, but 
> the image hadn't
> got much punch.
> I tried again using some old Ilford Galerie paper, for 2 
> hours and got
> different colours but again not much punch.
>
> how can I carry out this type of work but achieve a more 
> punchy result?
>
> Thanks in anticipation
>
> lofty
>
     What you are getting is known as photolytic silver. 
Papers designed for developing are not very efficient in 
producing it because its not desirable in normal use. There 
are ways of treating the emulsion to increase the effect, I 
don't remember the details but might be able to find them. 
My memory is that it involves treating the emulsion with a 
solution of Silver Nitrate.
     There is paper designed for this kind of printing 
called printing out paper or POP. A paper made by Kentmere 
in England was distributed in the USA as Centenial POP and 
may still be available.
     Another way might be to try one of the printing out 
alternative processes, for instance salt prints. Salt prints 
were common before modern "silver-gelatin" papers were 
invented and can be quite beautiful.  A Google search for 
salt prints will get you a large number of hits including 
some with instructions. A good site to get an idea of what 
salted paper is is here:
http://www.luminous-lint.com/__sw.php?action=ACT_SING_TE&p1=salted_paper_prints


-- 
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@[EMAIL PROTECTED]

 




 3 Posts in Topic:
daylight process
"lofty" <mid  2007-09-30 23:14:34 
Re: daylight process
"Richard Knoppow&quo  2007-09-30 15:40:13 
Re: daylight process
Peter Irwin <pirwin@[E  2007-09-30 22:47:07 

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