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TAke Spring, or Fountain Water lbviij. Salt Petre ʒ iv. mix, dissolve, filter, and keep it for use.
It is good against Burning Fe∣vers, quenches Thirst, and mightily prevails against all hot Diseases. It is chiefly used for a Vehicle, in the aforenamed affects, and others of like kind. The Dose alone (being sweetned with white Sugar) is ℥iv. or vj. more or less. It is good against the Stone in the Reins and Blad∣der, powerfully provokes Urine, and Cures other grievous Dis∣eases.
℞ Fountain Water lbij. Oil of Sulphur forty drops, or ʒij. which shake well together, that the Oil may be well mixed with the Water: If this quantity of the Oil makes it not acid enough, you may add more, shaking them toge∣ther, as before-directed.
This Water thus corrected, is prositable against Fevers, and is not hurtful to the Stomach and Liver, as is simple Water, because the Spirit of Sulphur strengthens and comforts those Parts. It is a true Febrifuge, chears the ani∣mal Spirits, and cools admira∣bly. It is given both to prevent and cure the Plague, as also a∣gainst Tertian and Continual