FRANKLIN, BENJAMIN. Experiments and Observations on Electricity... Fifth Edition. London, 1774. 4to, modern half leather, spine ends slightly rubbed; browned and dampstained throughout, fore-margins chipped, few pages detached. 7 engraved plates--The Annals of Electricity, Magnetism, & Chemistry... Vol. I and II. London, 1837-38. 2 volumes, 8vo, later cloth, spine worn, slightly soiled and rubbed, light foxing on first and last few pages. 28 engraved plates. (3)

細節

FRANKLIN, BENJAMIN. Experiments and Observations on Electricity... Fifth Edition. London, 1774. 4to, modern half leather, spine ends slightly rubbed; browned and dampstained throughout, fore-margins chipped, few pages detached. 7 engraved plates--The Annals of Electricity, Magnetism, & Chemistry... Vol. I and II. London, 1837-38. 2 volumes, 8vo, later cloth, spine worn, slightly soiled and rubbed, light foxing on first and last few pages. 28 engraved plates. (3)