Page:The Sceptical Chymist.djvu/80

 56 Ingredients (if it have any) are so firmly united to each other, that we finde not in the operations wherein Gold is expos’d to the Fire, how violent soever, that it does discernably so much as lose of its fixednesse or weight, so far is it from being dissipated into those Principles, whereof one at least is acknowledged to be Fugitive enough; and so justly did the Spagyricall Poet somewhere exclaim,

And I must not omit on this occasion to mention to you, Eleutherius, the memorable Experiment that I remember I met with in * Gasto Claveus, who, though a Lawyer by Profession, seems to have had no small Curiosity and Experience in Chymical affairs: He relates then, that having put into one small Earthen Vessel an Ounce of the most pure Gold, and into another the like weight of pure Silver, he plac’d them both in that part of a Glass-house Furnace wherein the Workmen keep their Metal, (as our English Artificers call their Liquid Glass) continually melted, and that having there kept both the Gold and