Chymical secrets and rare experiments in physick & philosophy with figures collected and experimented / by the Honourable and learned Sir Kenelm Digby ...

A most Excellent Medicine against all sorts of Agues and Fevers, &c.

TAke of the Starr'd Martial Regulus of Antimony lbj. Mercury Precipitate lbjss. pulverize and mix them well together, then put them in a Retort, and distill in Sand as you do Butter of {antimony}; then rectifie this Oyl or Butter once or twice, casting away the Feces: Then put it into a new Retort, and pour upon it Spirit of Metheglin; distill and cohobate four or five times to make the Oyl sweet, then pour S. V. upon it, and abstract it to the consistence of an Oyl. This is a Precious Remedy for the Cure of many Dis∣eases: It is of great Power and Efficacy to Cure all sorts of Agues, Quotidians, Tertians, and chiefly Quartans. It Operates by a gen∣tle Vomit in some Persons, and in others it gently Purges without Vomiting, and in some it gently Operates both ways: It hath vertue

to eradicate totally both Root and Seed of the Distemper. The Dose is from six to twelve drops, in some fit Vehicle.

Note, That having separated the Spirit of Metheglin, if you acuate it with Spirit of Vitriol, it is a great Diaphoretick, far be∣yond all others. Dose is from half to one whole spoonful in some fit Vehicle.