75/2267 Keill, J. An Introduction to Natural Philosophy: or, Philosophical Lectures Read in the University of Oxford, Anno Dom. 1700. To which are Added, The Demonstrations of Monsieur Huygens's Theorems, concerning the Centrifugal Force and Circular Motion. London, J. Senex etc., 1726, 2nd ed., XII,306,(2)p., woodcut ills./ diagrams., contemp. blindst. panelled calf w. mor. letterpiece.

- Sl. foxed and yellowed. Binding sl. scratched and worn; lacks part of letterpiece.

= DSB VII, p.275-276. Second English edition of Keill's major work: Introductio ad veram physicam (...) (Oxf., 1701), in which Keill acted as propagator of Newtonian philosophy and in which K. (in the appendix) gives "a proof for the law of "centrifugal" force, whose magnitude had been announced in 1673 by Christiaan Huygens".