BOYLE, Robert (1627-91). Certain Physiological Essays and other Tracts ... second edition, London: for Henry Herringman, 1669, 4°, second edition in English (title and preliminaries affected by damp, occasional marginal dampstains to later leaves, T1 holed with slight loss, 2L1-2P2 a little soiled), contemporary blind-stamped sheep (rather worn, new front endpapers). [Fulton 26: "In the Essays, Boyle gives the first clear outline of the corpuscular hypothesis concerning the nature of matter, which was to be the guiding principle of his later studies"; Wing 3930]