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Franklin, Benjamin, 1706-1790,
Experiments and observations on eleotricity, made at Philadelphia in Amerioa, To which are added, Letters and papers on philosophieal sub- jects. The 5th ed, London, Printed for F, New- bery, 1774.
v, 514 pe illus., plates (part fold.) 240m.
1. Electricity-—Farly works to 1850, 2. Phy- sics—Collected works,
& Science and Tech.