Experiments and Observations on Electricity, Made at Philadelphia in America, by Benjamin Franklin, L.l.d. and F.r.s. to Which Are Added, Letters and ... with Copper Plates. [fourth Edition].

The 18th century was a wealth of knowledge, exploration and rapidly growing technology and expanding record-keeping made possible by advances in the printing press. In its determination to preserve the century of revolution, Gale initiated a revolution of its own: digitization of epic proportions to preserve these invaluable works in the largest archive of its kind. Now for the first time these high-quality digital copies of original 18th century manuscripts are available in print, making them highly accessible to libraries, undergraduate students, and independent scholars.
Medical theory and practice of the 1700s developed rapidly, as is evidenced by the extensive collection, which includes descriptions of diseases, their conditions, and treatments. Books on science and technology, agriculture, military technology, natural philosophy, even cookbooks, are all contained here.
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British Library

T101040

With a half-title and an index. 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. Vertical chain

London : printed for David Henry; and sold by Francis Newbery, 1769. [2],iv,[2],496[i.e.508],[16]p.,plates : ill. ; 4°