Direct process paper
Revision as of 06:02, 24 July 2013 by (username removed)
Description
Reproduction paper coated with one or more diazo light-sensitive dyes to make direct positive color prints. Different colors are achieved by the use of different developers and dyestuffs, such as diazodiphenylamine sulfate (green) or diazodinitrophenol (yellow).
Synonyms and Related Terms
diazo paper