(7) 

 Phtnomena of the particular Qualities 

 fuccin&ly mentioned in thefc Notes i 

 though, my fecondary end being to become 

 a Benefa&or to the Hiltory of Qualities 

 by providing Materials for my felt or bet- 

 ter Architects , I have not fcrupled to 

 adde to thofe, that tend more dire&ly to 

 difcover the Nature or EflTence of the 

 Quality treated of, and to derive it from 

 Mechanical Principles, fome others (which 

 happen'd to come in my way) that ac- 

 quaint us but with fome of the lefs iuci- 

 ferous Phenomena. 



IL That you may not miftake what is 

 driven at in many of the Experiments and 

 Reafonings delivered or propos'd in the 

 enfuing Notes about Particular Qualities ^ 

 I muft defire you to take notice with me, 

 what it is that I pretend to offer you fome 

 proofs of For, if I took upon me to de- 

 monftrate , that the Qualities of bodies 

 cannot proceed from (what the Schools 

 call) Substantial Formr^ or from any other 

 Caufes but Mechanical , it might be ica- 

 fonably enough expe&cd, that my Argu- 

 ment (hould dire&ly exclude them alf. 

 But fince, in my Explications of Qualities, 

 I pretend only, that they may be explica- 

 ted by Mechanical Principles , without en- 

 quiring, whether they are explicable by 

 |ny other > tint which I need to prov.?, is, 



not 



