SCHRAMMR@WLSVAX.WVNET.EDU
Tue, 09 Mar 1999 10:35:06 -0500 (EST)
Leslie,
If you can get to the archives, you will find the proceedure for what I call
Seigel toning which is a tanic acid type toner that produces split tones in
lavender and brown. You will also find mention of 5% lead acetate which will
convert the prussian blue to a cobalt blue. It is, however, dangerous in that
the lead acetate can be absorbed through the skin. "Keepers of Light" mentions
this toner.
Bob Schramm
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