Experiments and observations on electricity, made at Philadelphia in America
Summary
Vertical chain lines. The leaves of the supplement have horizontal chain lines.
Pt. 1: [4], 86, [2] p., [1] folded leaf of plates; pt. 2: [3], 90-107 [i.e. 109], [1] p.
Illustrations on leaf of plate signed: T. Jefferys sculp.
Part 2 has special t.p. which reads: Supplemental experiments and observations on electircity [sic], part II. Made at Philadelphia in America, by Benjamin Franklin, Esq; and communicated in several letters to P. Collinson, Esq; of London, F.R.S. London : Printed and sold by E. Cave, at St. John's Gate. 1753.
Ford, P.L. Franklin bibliography, 77, 93
ESTC T11748
Errata: pt. 1: p. 85-86; pt. 2: p. [1] at end.
"Books printed and sold by Edward Cave": pt. 1, p. [1]-[2] at end.
LC copy 1, pt. 2 has bookplate of Henry Stevens.
LC Review of LAC Completed/Not Approved 2018-08-27
LAC Review Completed 2018-08-16
Benjamin Franklin began his experiments on electricity in the 1740s and communicated his results to correspondents in Great Britain. In 1751, Franklin's letters were compiled into a book. The letters described Franklin's work on lighting strikes and lightning rods and discussed his positive & negative theory of electrical fluid. High-resolution printable scans, 11.5 Megapixels.
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