[Alt-photo] removing old casein from glass

Matti Koskinen mjkoskin at gmail.com
Thu Jul 20 21:02:15 UTC 2017

> On 20 Jul 2017, at 23:42, Jorj Bauer <jorj at jorj.org> wrote:
> Barkeeper's friend, a sponge, lots of water and elbow grease. Works well 
> for me.
> Are any of your casein prints on glass online anywhere? I love making 
> prints on glass, and so few people make them…

hi Jorj, thanks for the info. I’ll try that.

here’s a link to some casein on glass
http://www.mattikoskinenphoto.com/casein/index.html <http://www.mattikoskinenphoto.com/casein/index.html>


> On Thu, Jul 20, 2017 at 11:14:59PM +0300, Matti Koskinen via Alt-photo-process-list wrote:
>> hi all,
>> I found old casein prints on glass plates. As I'm always broke and
>> short of glass plates, I would like to re-use the plates. What are
>> best methods to remove the hardened casein?
>> and to Alt family tree:
>> I tried my first gum print and cyano probably 1972 (I was 14-yrs
>> old), I had my grandpa's old book (printed 1921) "Young
>> Experimenters and Inventors book" by Ilmari Jäämaa and later
>> inspired by Jalo Porkkala's cyanos on the web. Then the public
>> library had Keepers of Light, and after that I was hooked. I've
>> tried cyanos with different methods, gum, casein and tempera. One
>> casein print I have sold, and several others donated (just to get
>> rid of them).
>> -m
>> _______________________________________________
>> Alt-photo-process-list | altphotolist.org

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