BOYLE, ROBERT. New Experiments Physico-Mechanicall, Touching the Spring of the Air, and its Effects, (Made, for the most part, in a New Pneumatical Engine). Oxford, 1660--An Attempt for the Explication of the Phaenomena, Observable in an Experiment... London 1661. 2 works in one volume, 8vo, calf, spine worn, front cover nearly detached; endpapers soiled. FIRST EDITION. 2 engraved folding plates. Wing 3998.