affected the Pallat much more like salt-peter, than Common salt; but was also very fusible, and inflammable, though produced of two un-inflammable bodies: and the same substance, consisting of Acid salts, by a certain way of the Author, produced a Fixt salt.

6. Oyle of Vitriol poured upon a Solution of Bay-salt: whence was abstracted a liquor, that by the smell and Taste appeared to be a spirit of salt. In which operation, the mixture, by working a great change of Texture, did so alter the nature of the compounding Bodies, that the sea-salt, though a considerably fixt Body, was distill'd over in a moderate Fire of sand, whilst the Oyl of Vitriol, though no such gross salt, was by the same operation so fixt, as to stay behind: Besides that the same, by a competent heat yeilded a substance, though not insipid, yet not at all of the taste of Sea-salt, or of any other pungent one, much less having the highly corrosive acidity of oyl of Vitriol, &c.

7. A dissolvent, made by pouring a strong spirit of Nitre on the rectified Oyl of the Butter of Antimony, and then distilling off all the liquor, that would come over, &c. This Menstruum (called by the Author Peracutum) being put to highly refined Gold, destroyed its Texture, and produced, after the method prescribed in the book, a true Silver, as its whiteness in colour, dissolublenes in Aqua fortis, and odious Bitterness, did manifest: which change of a Mettal, commonly esteemed to be absolutely indestructible by Art, though it be far from being Lucriferous, is yet exceedingly Instructive; as is also the way, the Author here adds, of Volatilizing Gold, by the power of the same Dissolvent.

8. Aqua fortis, concoagulated with differing Bodies, produced very differing Concretes: And the same Numeral Saline Corpuscles, that being associated with those of one Mettal, had already produced a Body eminent in one Taste, did

afterwards, being freed from that Body, compose a Liquor of a very differing taste; and after that too, being combin'd with the parties of another Mettal, did with them constitute a Body of a very eminent Taste, as opposite as any one can be to both the other Tasts; and yet these Saline Corpuscles, being instead of this second Mettal, associated with such a one as that, they are driven from, did therewith exhibite again the first of the three mention'd Tasts.

9. Water transmuted into Earth, though the Author saith of this Transmutation, that it was not so perfect, as he wish'd, and as he hopes to make it.

10. A mixture of Oyle of Vitriol and Spirit of Wine. These two Liquors, being of odd Textures in reference to each other, their conjunction and distillation made them exhibite these Phænomena: vid. That, whereas Spirit of Wine has no great, nor good scent, and moderately dephlegm'd Oyl of Vitriol is wont to be inodorous; the Spirit, that first came over from their mixture, had a scent not only very differing from Spirit of Wine, but from all things else, that the Author ever smelt; the Odor being very fragrant & pleasant, and so subtle, that in spight of the care taken in luting the Glasses exactly together, it would perfume the neighbouring parts of the Laboratory, and afterwards smell strongly at some distance from the Viol, wherein it was put, though stopt with a close Cork covered with two or three several Bladders. But, after this volatile and odoriferous Spirit was come over, and had been follow'd by an Acid Spirit, it was at last succeeded by a strongly stinking Liquor, &c.

But Manum de Tabula: the Book it self will certainly give a satisfaction far beyond what here can be said of it.