RK Photo Ltd – out of business
RK photographic supply darkroom equipment, chemicals, paper, film, all the Fotospeed kits, liquid emulsion and cyanotype papers and fabric as well as fine art inkjet paper and some studio gear.
suppliers
A Non-Silver Manual: Resources
The Resources chapter of Sarah Van Keuren’s book “A Non-Silver Manual: Cyanotype, Vandyke Brown, Palladium & Gum Bichromate with instructions for making light-resists including pinhole photography”.