uranotype permanence Was: Re: uranium

Nze christian (113410.2751@compuserve.com)
Mon, 24 Nov 1997 10:16:42 -0500

thanks for the information you give
the first uranotype i made (only urane ) ,5 years old one
don't fade even if i let it in my lab even if i made prints

i will see if this formula last as well

christian