KEIL, John (1671-1721). An Introduction to Natural Philosophy; or, Philosophical lectures read in the University of Oxford, anno dom. 1700 ... translated from the last edition of the Latin, London: by H.W. for William and John Innys and John Osborn, 1720, 8°, woodcut diagrams, advertisement leaf at end, contemporary panelled calf (joints cracked, some wear to spine, library stamps) Provenance: JCL; and 3 other works by Humphry Ditton, Andrew Motte and Benjamin Worster. (4)