Chris and ALL,
The diulution of 25ml Houshold Bleach ( Sodium Hypochlorite) to oneLitre of
water should not give anyone the heebeegeebees. It is a very weak solution
but obviously does soften the gelatine sufficiently to allow the surplus
pigment to be sprayed off of the print.
Fresson paper is not available on the market, any more. So the only
experience I have with Javelle is with my own concoctions. The Fressons
may be able to answer your question whether they use sawdust or Javelle. Their
w/s will give details of how to contact them.
There are no immediate plans on my agenda to make the process I use
available on the market. But like yourself I am willing to help others to
experiment with the Direct Carbon system by pointing them towards relevant
published information.
See Judy's Post Factory . Issue No 9 for an outline of Fresson ( Direct
Carbon ) research.
Ciao for now.
John - Photographist - London - UK
----- Original Message -----
Sent: Tuesday, November 27, 2007 1:30 AM
Subject: Re: The Fresson / Arvel Process,Etc., and Eau de
Javelle
> John,
> Then we have 2 different formulae; the Javelle
formula I have is 250ml water
> with 4g. sodium carbonate and 3 grams
sodium hypochlorite and at time of use
> mixed with another 250ml
water....a different solution than you are saying,
> below.
>
> I wonder if they use this with Fresson paper or not, because the point
of
> the article was that using this made the use of sawdust unnecessary.
Or, as
> the article says, "outdated." Eau de Javel he says is due
to G. Schweitzer,
> editor of Photo-Revue. Uses a long print
exposure (up to twentyfold that of
> normal carbon tissue) and put it
face down in this bath 2-5 min, etc. etc.
>
> But you have done
Fresson, I am assuming, so probably know much more than I.
> Chris
>
----- Original Message -----
> From: "John Grocott" <john.grocott403@ntlworld.com>
>
To: "The List" <alt-photo-process-l@usask.ca>
>
Sent: Monday, November 26, 2007 2:29 PM
> Subject: The Fresson / Arvel
Process,Etc., and Eau de Javelle
>
>
>> Chris and
ALL,
>>
Chris, you thought, '' So if one mixed a little washing soda
>> into
the bleach it should approximate Javelle''.
>> NO ! !
>>
Please note that only one ounce of KoCl (bleach ) is diluted with 36
>> ounces of water to give a working solution which is Eau de
Javelle for
>> the Fresson / Arvel
process.
>>
>> Happy hunting .
>>
>> John -
Photographist - London - UK
>>
........................................................................................
>>
>>
To clarify a little further and to quote the next para in Nadeau's, ''Gum
>> Dichromate.'' 1987. Page 76 Chapter V1:-
>>
>>
''Mouret, mentioning the work of Charles W . Miller writes
:
>>
>> ''Early in the morning, he places a piece of
sensitized Fresson paper in
>> contact with a paper negative outside
of the window, and leaves it there
>> all day long without the least
inspection. In the evening, he transfers
>> the paper into the
cold water bath for 4 minutes and then into another
>> tray containing
a mixture of 1 ounce of Javelle water and 3 6 ounces of
>>
ordinary tap water. Now the paper must be watched very carefully, and as
>> soon as the edges begin to lighten it must be instantly removed and
placed
>> either on a glass or tin plate, or in an empty tray.
It may now be
>> sprayed carefully under the tap, or better with the
aid of a rubber hose
>> carrying a glass or hard rubber tip, to enable
the operator to direct a
>> fine jet of water just at the point where
it is momentarily required. The
>> entire surface must be
treated in this fashion, until the desired degree
>> of density has
been reached, whereupon the picture may be hung up for
>>
drying.''
>>
>> Charles M. Mouret. ''The Fresson Direct
Carbon Printing Process'', The
>> American Annual of
Photography. (1929 ) pp 179 -182
''
>>
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