Learned Men, with whom I discours’d of it, could hardly be brought to beleeve, that so fugitive a Salt could be afforded by Tartar, till I assur’d it them upon my own Knowledge. And if I did not think you apt to suspect me to be rather too backward than too forward to credit or affirm unlikely things, I could convince you by what I have yet lying by me of that anomalous Salt.
The Fourth thing that I shall alledge to countenance my first Consideration is, That the Fire even when it divides a Body into Substances of divers Consistences, does not most commonly analyze it into Hypostatical Principles, but only disposes its parts into new Textures, and thereby produces Concretes of a new indeed, but yet of a compound Nature. This Argument it will be requisite for me to prosecute so fully hereafter, that I hope you will then confess that ’tis not for want of good Proofs that I desire leave to suspend my Proofs till the Series of my Discourse shall make it more proper and seasonable to propose them.
It may be further alledg’d on the behalf of my First Consideration, That some such distinct Substances may be ob-
