And as by this way we have produc'd a Red Liquor, and a White Precipitate out of a Dirty Green Magistery of Rose-leaves, so by the same Method, you may produce a fair Yellow, and sometimes a Red Liquor, and the like Precipitate, out of an Infusion of a curious Purple Colour.
"Experiments and Considerations Touching Colours (1664)"
Robert Boyle
The Bishop of Worcester's "admirable curing powder" was composed largely of "ten skins of snakes or adders or Slow worms" mixed with "Magistery of Pearls."
"Customs and Fashions in Old New England"
Alice Morse Earle