19. All sorts of Serpents renovate themselves once a year by casting their skins, wherefore if we extract them with Spirit of Wine, and correct them by burning away the Spirit of Wine, they yield an assured medicine against all Poyson, and renews man.
20. Regulus of Antimony being duely fixed with Sol, tingeth as well in the wet as dry way.
Sol and Sulphur yield a Tincture.
21. Common combustible Sulphur cannot join with the incombustible Sulphur of Sol, without such a medium as partakes of both their Natures, viz. Antimony: when by this means the combustible Sulphur is fixed by the incombustible Sulphur of Sol, the Sol gives it ingress into imperfect metals to tinge them.
To make Sol red.
22. If the Blood of the Lion be digested with Tartar and Aqua Fortis, this purple Colour will be changed into a red, and separate it self from the Salt, falling in form of red powder to the bottom, and is a most excellent Colour for Painters.
To make Purpurissa, or a Paint to make the Face look ruddy.
23. Dissolve Sol and Jupiter in Aqua Regis, digest and edulcorate with Water, yields an excellent paint for Women. N. B. But a little Oil of Talk ought to be added to it.
An Experiment upon Purpurissa or the Blood of the Lyon.
24. When we digest or boil the Blood of the Lion so long till the red Colour becomes as white as milk, and then pour upon it as much Water, as has been evaporated during the boiling, this milk will be chang’d again to Blood.