The question was concerning toners. I had mentioned that the
section in Clerc's encyclopedia on toning included information
on toning with salts of tin. Ufortunately, the set is out of
print and the only copy available to me was destroyed in 1992
in Hurricane Andrew when our regional library was destroyed.
It seems to me that in Clerc, there was a general discussion
of ferricyanide/ferrocyanide developers of many metal salts.
Since I have not seen the section in so many years, I asked
if anyone on the 'net had the books.
Thanks for your help!
Ed Lukacs
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