The printing process
Similar to carbon printing with gelatin transfer tissue. Exposed tissue becomes acid resist on copper plate.
Plates
Resin dust halftone
11×14 Photogravure on Hahnemühle
4×5 photogravure on Somerset
4×5 pinhole Polaroid negative
16×20 photogravure on Somerset
4×5 pinhole Polaroid negative
16×20 photogravure on Somerset