sily sever’d from the adhering Salts, if the Sublimate be distill’d from Salt of Tartar, Quick Lime, or such Alcalizate Bodies. But I will rather observe to you, Eleutherius, what divers ingenious men have thought somewhat strange; that by such an Additament that seems but only to promote the Separation, there may be easily obtain’d from a Concrete that by the Fire alone is easily divisible into all the Elements that Vegetables are suppos’d to consist of, such a similar Substance as differs in many respects from them all, and consequently has by many of the most Intelligent Chymists been denied to be contain’d in the mixt Body. For I know a way, and have practis’d it, whereby common Tartar, without the addition of any thing that is not perfectly a Mineral except Salt-petre, may by one Distillation in an Earthen Retort be made to afford good store of real Salt, readily dissoluble in water, which I found to be neither acid, nor of the smell of Tartar, and to be almost as volatile as Spirit of Wine it self, and to be indeed of so differing a Nature from all that is wont to be separated by Fire from Tartar, that divers
