331.2 Robert BOYLE. The sceptical chymist: or chymico-physical doubts and paradoxes, touching the experiments whereby vulgar spagirists are wont to endeavour to evince their salt, sulphur and mercury, to be the true principles of things. To which... are subjoyn'd divers experiments and notes about the producibleness of chymical principles. 8° Oxford: H. Hall for R. Davis and B. Took 1680 Ferguson Young Nat Union Cat Wisconsin