FRANKLIN (Benjamin). EXPERIMENTS AND OBSERVATIONS ON ELECTRICITY MADE IN PHILADELPHIA, AMERICA. Paris, Durand, 1752. In-8 of 24-70-[10]-222-2bl.-30 pages, marbled calf, spine ribbed and decorated (contemporary binding). First French edition procured by Thomas François Dalibard at Buffon's request, and illustrated with a folding plate containing 10 figures. At the beginning is a new disclaimer for this edition (24 pages) and an abridged history of electricity (70 pages). Corners dulled, hinges split. Ex-libris A. Denier.