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Species Vitae, &c.
CHAP. I.
℞ THE best and purest Crude Plati∣ophthalmon, Q. S. melt it in a large Crucible with a strong fire till it bo••ls, then take it out, and cast it into a Tub fil'd with fair Water, there will happen a great denotation; do thus seve∣ral times until you have melted a sufficient quantity of it: Now is your Mineral divided into four Principles or Substances.
The first Substance is a Red volitile Sulphur, that swims on the Superficies of the Water, which must be taken clean off, filthered, dri∣ed, sifted and preserved for use.
Having thus far proceeded, and your Wa∣ter quiet and clear, draw it out with a Tap placed within four or five Inches of the bottom of the Tub; otherwise you may take it out with Pans: Now you will find the true Species or Sulphur, which is the second Substance lying spread all over the Superficies of your Plati∣ophthalmon, which seperate, S. A. wash clean your Granulated Mineral with fair water, then mix it with your other which you separated