Franklin, Benjamin. Experiments and Observations of Electricity, Made at Philadelphia in America. To Which are Added, Letters and Papers on Philosophical Subjects. London: Francis Newbery, 1769. 4th edition, 4to, seven numbered plates, with several unnumbered illustrations; index; rebound in calf, with raised bands, gilt tooling, former owner Charles Riche printed label on front pastedown. The single most important book published in America, on the subject.
Condition: Boards detached, but present. Solid, with mininmal toning of pages. Overall a very good copy, except as above.