31316962photographic processesPT." ]]>2026-03-30 20:25:21UF31316963photographic processingNDBT31304066photography and photographic processes and techniquesPTNT31340451three-color processesPTNT31340464additive color processesPTNT31340468subtractive color processesPTNT31340472salted paper processesPTNT31340479pigment processesPTNT31340480lenticular processesPTNT31340492albumen processPTNT31340497aristotypePTNT31340498diffusion transfer processPTNT31340502direct positive processesPTNT31340504iron processesPTNT31340510two-color processesPTNT31340513WothlytypePTNT31340515interference processesPTNT31340517gelatin silver processPTNT31340521electrophotographyPTNT31340524collodion processesPTNT31340528stabilization processPTNT31340529cliché-verrePTNT31340544cross processesPTRT31340283light-sensitive reprographic processesPT