According to Kachel, ferricyanide works far better than Sterry's dichromate. In particular, he claims it produces little speed loss. Several writers have cited Kachel's report, but I have not seen...
Type: Posts; User: David Feuer; Keyword(s):
According to Kachel, ferricyanide works far better than Sterry's dichromate. In particular, he claims it produces little speed loss. Several writers have cited Kachel's report, but I have not seen...
According to David Kachel, contrast on graded papers can also be reduced (in a way he likes) by treating the paper with highly diluted potassium ferricyanide between exposing and developing. ...