FRANKLIN, Benjamin (1706-1790). Experiments and Observations on Electricity, made at Philadelphia in America ... to which are added, Letters and Papers on Philosophical Subjects. London: for David Henry and sold by Francis Newbery, 1769.
4° (204 x 176 mm). 7 engraved plates, two folding. (Some mostly light browning and spotting.) Contemporary calf (rebacked to match). Provenance: Turner Collection, The Library University of Keele (bookplate).
FIRST COLLECTED EDITION, and fourth edition of Franklin's most important scientific publication. Ford 307; Howes F-320; Sabin 25506; Wellcome III:62.