Take Regulus of Antimony & {sal ammoniac} ana, pouder them very finely, & haveing exquisitly mixt them, sublime them by degrees in a strong & naked fire, then take as much Nardium as the wholl sublimat amounts to mix them well together & put them into a shallow vessel like the cover of a pipkin & laying that upon the Coals, keepe the matter continually stirring 'till most of the salt be evaporated, & there remaine a purplish powder, of which the Dose is 6, 7, or 8 grains, tho more may be given. It works per diaphoresin, & sometims givs a stool or two.