1592953052000 1312632483000 term-29864 1616541408013 1312632520000 1616290480135 adlib fitz-online adlib-term-29864 ac3ccfda-aa20-3914-8d1c-bbabf94149bc 2 1 scope note A bichromate process to produce photographic prints using a carbon pigment to form the image. The most widely used carbon process was J.W. Swan's, introduced in 1864, which used sheets of pigmented gelatin that were transferred in processing to a paper support. K.KT.AFU.ALO.DOI.EFQ.ALO.CRG.AFU.AFU 1 code K.KT.AFU.ALO.DOI.EFQ.ALO.CRG.AFU.AFU 1 carbon process reference term-29529 adlib-term-29529 d6db3a89-51c0-3fe1-ac8d-6a872ac8321c bichromate processes carbon process term