tain’d from some Concretes without Fire, as deserve no less the name of Elementary, than many that Chymists extort by the Violence of the Fire.
We see that the Inflamable Spirit, or as the Chymists esteem it, the Sulphur of Wine, may not only be separated from it by the gentle heat of a Bath, but may be distill’d either by the help of the Sun-Beams, or even of a Dunghill, being indeed of so Fugitive a Nature, that it is not easy to keep it from flying away, even without the Application of external heat. I have likewise observ’d that a Vessel full of Urine being plac’d in a Dunghill, the Putrefaction is wont after some weeks so to open the Body, that the parts disbanding the Saline Spirit, will within no very long time, if the Vessel be not stopt, fly away of it self; Insomuch that from such Urine I have been able to distill little or nothing else than a nauseous Phlegme, instead of the active and piercing Salt and Spirit that it would have afforded, when first expos’d to the Fire, if the Vessel had been carefully stopt.
And this leads me to consider in the Fifth place, That it will be very hard to
