* FRANKLIN BENJAMIN Experiments and Observations on Electricity. London: Printed for David Henry 1769. [2] iv [2] 496 [i.e. 508] [16]. 4to contemporary calf

rear detached blank blanks pastedown holder plate present 387/388 franklin boards pages fold-out index bookplate benjamin mind proved folding chimney toned brownspotting faint manuscript tape tipped library experiments david important scientific book eighteenth-century america printing leaf inserted creases chipping edge card observations printed henry edition lightening errata following edgewear electricity london 1769 complete electrical advertisement title lacking fireplace mark marginalia repair contemporary calf seven plates 1-inch tear 298-299