<< To avoid fogging, don't use the brayer method for sensitizing [I sometimes
use a spirit sensitizer and apply it with a foam brayer, if I don't want to
wait
hours for the tissue to dry] , but soke in a ca. 2% sol. of pot or amm
dichromate to which you have added strong ammonia until the sensitizer's
color
just turned from orange to yellow. >>
Pollmeier,
Thanks for your post. I am going to experiment to carbon printing starting
next week. Is the ammonia mentioned just regular household ammonia?
Thanks in advance!
Dave Soemarko