Réf. :

From: Philippe Berger ^lt;mineurdecharbon@skynet.be>
Date: 04/07/06-09:07:33 AM Z
Message-id: <44368035.000001.02372@PHIL-1G0M44W6VM>

Hi Sandy,

Yes Sandy, you understand me, i will just see a picture of your gum

Best regards of Belgium

Philippe
 
 
-------Message original-------
 
De : Sandy King
Date : 04/06/06 19:51:36
A : alt-photo-process-l@usask.ca
Sujet : Réf. :
 
I am not Philippe, but I understood this was a
question to me asking if I had a copy of the gum
print I described yesterday that was exposed
through the back. If so, I did not scan the print
since the coating was very streaky and I would
not want something to think such a thing was
characteristic of my work.
 
Sandy
 
 
>Philippe,
>What did you mean?
>Marek
>
>>From: Philippe Berger <mineurdecharbon@skynet.be>
>>Reply-To: alt-photo-process-l@usask.ca
>>To: alt-photo-process-l@usask.ca
>>Subject: Réf. : RE: Need Advice on Thick Gum Coating
>>Date: Thu, 06 Apr 2006 15:35:34 +0200
>>
>>Are you a image of your gum ?
>>
>>philippe
>>
>>
>>-------Message original-------
>>
>>De : Marek Matusz
>>Date : 04/06/06 15:32:45
>>A : alt-photo-process-l@usask.ca
>>Sujet : RE: Need Advice on Thick Gum Coating
>>
>>Sandy,
>>Try a foam roller for smoothing your gum. it works for a lot of people on
>>this list, including myself. I like your idea of exposing the print from
the
>>back. Glass would be good testing surface. Maybe if the gum is exposed
>>through the glass it will not wash off.I am going to run a few tests
>>meyself. I have been experimenting with a mix of gum and gelatine for a
one
>>coat direct print with some success so I am interested in the subject.
>>Marek, Houston
>>
>>
>>>From: Sandy King <sanking@clemson.edu>
>>>Reply-To: alt-photo-process-l@usask.ca
>>>To: alt-photo-process-l@usask.ca
>>>Subject: Need Advice on Thick Gum Coating
>>>Date: Wed, 05 Apr 2006 17:53:28 -0400
>>>
>>>Although I am not currently involved in gum printing the current
discussion
>>>got me interested in running a test to illustrate the concept that in gum
>>>printing the hardening of the gum is top down. So I mixed up 100ml of a
1:1
>>>solution of saturated potassium dichromate and lithorgraphers 14 Baume
gum,
>>>and added ten grams of lampblack to the mix. I applied three thin coating
>>>of this to a piece of vellum and exposed it, through the back, with one
of
>>>my carbon negatives for 30 minutes with a UV printer. Exposure for carbon
>>>would have been on the order of 4-5 minutes but the extra density of the
>>>paper based added about two stops of exposure.
>>>
>>>The print is not bad. Dmax is much higher than one could get with a
single
>>>coat of gum, and yet there is a full range of tones. The only problem is
>>>that I was not able to get a smooth coating so there are a few streak in
>>>the print. The results were so interesting that I plan to do some more
>>>experimenting with this kind of printing.
>>>
>>>So, wonder if someone with more experience than me could advise as
regards
>>>the best way to mix and apply very heavily pigmented gum emulsions using
>>>the 14 Baume lithographers gum.
>>>
>>>Sandy
>>
>>
>>
>>
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>>
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Received on Fri Apr 7 09:08:07 2006

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