how to develope fotos on stones (granit)?
Dear all, i just made my inscription to the list, hi to everybody, I´m Nihal. I need to develope fotos on stones with Vandyke and Cianotipia tecnicks(or other ones if you know) and i want to know if someone between you can give me some information about the proces, i mean how to prepaer the stone, how long i sould let them in water, and what kind of warnishing i can put if i want to present them in open air places. Is there anybody with experience abouth the subject? Thanks a lot, Nihal Mumcu
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