Pollenol: bee pollen photo developer.
Related: photogram collage –http://filmslie.com/stan-brakhage-mothlight/
“uses resists on photographic paper much the same way as wax is used as a resist in batik.”
“Unlike photographs set in silver, like in black and white photography, cyanotypes are using a solution of iron compounds.“
(Karly McCloskey/Mary McIntyre)