BOYLE, ROBERT. Tracts Consisting of Observations about the Saltness of the Sea: An Account of a Statical Hygroscope... To all which is premis'd a Sceptical Dialogue about the Positive or Privative Nature of Cold. London: E. Flesher for R. Davis, 1674. 9 parts in one vol., 8vo, contemporary sheep, light wear; lacks blank A1. FIRST EDITION. Fulton Boyle 113; Wing B-4053.