Chymical lectures: in which almost all the operations of chymistry are reduced to their true principles, and the laws of nature. Read in the Museum at Oxford, 1704 / By John Freind. Englished by J.M. To which is added, an appendix, containing the account given of this book in the Lipsick Acts, together with the author's remarks thereon.

John Freind

Date:: 1737

Credit: Chymical lectures: in which almost all the operations of chymistry are reduced to their true principles, and the laws of nature. Read in the Museum at Oxford, 1704 / By John Freind. Englished by J.M. To which is added, an appendix, containing the account given of this book in the Lipsick Acts, together with the author's remarks thereon. Source: Wellcome Collection.

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[22] pearance. But other Bodies, whofe Parts, with refpeft to Denfity and Surface, are extremely different from one another, while fome are carry’d off, by the force of the Heat, and others are chang’d, as to Figure or Pofition, muff be forc’d to appear in another Form: For they can’t recover their original Likenefs, unlefs every Particle cou’d reinftate it felf in that very Situa¬ tion it had before; which may be hinder’d infinite ways, as may eafily be experienc’d in Heterogene¬ ous Bodies, fuch as Vegetablesy and all Minerals, as likewife the bafeft fort of Metals. After this manner, every Plant is turn’d to AJhes; and Vitriol, when all its Moifture is dry’d away, becomes Chalcanthum: And Clay, by the heat of the Furnace, hardens into Tiles and Bricks; Therefore

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