"In this treatise Boyle sets out to prove that the number of the peripatetic elements or principles hitherto assumed b…"

"He became a member of what was known as the , a small association of men interested in the new philosophy, who met at…"

"Boyle's early endorsement of philosophical openness was soon compromised by, as he put it, the sordid requirements of…"

"The "Chemico-physical Doubts and Paradoxes" raised by Boyle "touching the experiments whereby vulgar Spagyrists are w…"

"The words "element" and "principle" are used by him as equivalent terms, and signify those primitive and simple bodie…"

"He concludes... that the Paracelsian elements—their "salt," "sulphur," and "mercury"—are not the first and most simpl…"

"He introduced the air-pump into England, and his "pneumatical engine" enabled him to discover many of the fundamental…"

"He... discovered the dependence of the of a liquid upon , explained the action of the , the effect of the air on the …"

"The supremacy of the old philosophy may be said to have been first distinctly challenged by Robert Boyle. The appeara…"

"In his History of Fluidity he seeks to show that a body seems to be by consisting of corpuscles touching one another …"