Experiments and observations on electricity
Subtitle: made at Philadelphia in America, by Benjamin Franklin, L.L.D. and F.R.S. To which are added, letters and papers on philosophical subjects. ... and illustrated with copper plates.
Edition: [Fourth edition].
Publisher: printed for David Henry; and sold by Francis Newbery
Published: 1769
Place of publication: London
Language: eng
Format: Microform
Number of pages: 508
Notes: Vertical chain lines.

An "Advertisement concerning this fourth edition" forms part of the preliminaries, with an errata on the verso.

Pp.111-2, 416-7. 465-472 are duplicated in pagination, but text and register are continuous.

With a half-title and an index.

Roscoe A170(1)

Microfilm. Woodbridge, CT Research Publications, Inc., 1986. 1 reel ; 35mm. (The Eighteenth Century ; reel 2831, no. 3).