[alt-photo] Re: casein history

Kees Brandenburg workshops at polychrome.nl
Wed Jul 11 19:05:27 GMT 2012

On 10 jul. 2012, at 18:03, Christina Anderson wrote:

> Has anyone tried this formula, the ferric/casein one? It is the Gateau patent. Kees?
> I notice no mention of hydrogen peroxide in the developing bath in this.

I only tried the peroxide version.


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