BOYLE, Robert. A Disquisition about the Final Causes of Natural Things… [and]…Some Uncommon Observations About Vitiated Sight. London: H.C. for John Taylor, 1688. First edition, second issue, 8vo (171 x 107mm.) In 2 parts, second title-page for ‘Uncommon Observations’, errata leaf, 4pp. publisher’s advertisements to rear. (Toning, illegible ink name to title, a single wormhole from title-page to H8 but from E5-G8 it enlarges, affecting one or two letters on each leaf.) Contemporary speckled calf (spine repair at ends, scuffed and surface loss to upper cover). Note: second issue with the author’s name rather than initials to title-page. The second part is one of the first treatises to use the empirical method. Boyle came to believe that by observation the empirical method was superior to the scholastic and his persuasive arguments influenced, among others, Isaac Newton. [Krivatsy 1726].