Thanks for the posts. Should be something out there. I'm especially curious about the old terms, like "lunar caustic", "sweet oil of nitre", and "liver of ...whatever.
Have a bluing/browning book with all the old terms. Also have a 1902 Stock Doctor Cyclopedia. The processes seem to make sense, but the terms are something else.
Then there is the "decoctions", "infusions", and the like to boot.