[alt-photo] Re: Dichromated Gelatin Formula

[Francesco Fragomeni]

Downloading it now. Thank you Etienne!

-Francesco

On Sat, Sep 22, 2012 at 5:04 PM, etienne garbaux <
photographeur at nerdshack.com> wrote:

> Francesco wrote:
>
>  Thanks but I'm wondering more along the lines of how much Potassium
>> Dichromate to use for this particular process. I find the term dichromated
>> gelatin used everywhere describing the Woodburytype process but no where
>> gives a formula for making the dichromated gelatin and where they do, the
>> Potassium Dichromate is left out.
>>
>
> You can download Woodbury's Encyclopaedic Dictionary of Photography from
> the net.  The entry at "Woodburytype" contains detailed instructions
> (including amount of gelatin solution per paper area) and two dichromated
> gelatin formulas.  (See also the entry at "Stannotype.")
>
> I seem to recall that one or more of the other old salts (Wall?  Clerc?)
> also gave Woodburytype formulas, but do not recall which one(s).
>
> Best regards,
>
> etienne
>
>
>
>
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