Test Strip
Both halves were reduced for 30 seconds in iodine reducer (1:128). The upper half was toned for 2 minutes in DuPont 6T gold toner at 100º F.
Traditional darkroom photography and historical photographic processes
Both halves were reduced for 30 seconds in iodine reducer (1:128). The upper half was toned for 2 minutes in DuPont 6T gold toner at 100º F.