[alt-photo] Re: casein history

[Marek Matusz]

Interesting two big NO.
 
I thought that Fresson formula is a closely guarded secret of the family and is not known in a greater photographic community. Is the definite NO from actually knowing the formula or guessing it from old literature?
 
Even if the original Fresson formula does not contain any casein I am still intrigued by the saw dust development of casein prints as casein likes forced development more then gum does. I use a sprayer bottle with good results. In reality my casein prints contain some gum (so they are technically not pure casein) as I use watercolour pigments, not dry powder pigments.
 
I just need a break in the rain here to drag my saw and generate some sawdust.
 
Marek
 

> From: mineurdecharbon at skynet.be
> To: alt-photo-process-list at lists.altphotolist.org
> Date: Wed, 18 Jul 2012 19:44:30 +0200
> Subject: [alt-photo] Re: casein history
> 
> I confirm no caséin on the Fresson Carbon formula
> mineurdecharbon at skynet.be
> http://www.philippeberger.net/
> 
> 
> ----- Original Message ----- 
> From: "Ian Hooper" <noisy at rogers.com>
> To: <alt-photo-process-list at lists.altphotolist.org>
> Sent: Wednesday, July 18, 2012 7:25 PM
> Subject: [alt-photo] Re: casein history
> 
> 
> > On 13/07/2012 1:58 PM, Marek Matusz wrote:
> >> Also, Marek, you were talking about Fresson maybe containing casein.
> > There is no casein in the real Fresson formula. None. ;)
> >
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