CAVALLO (Tiberio). COMPLETE TREATISE ON ELECTRICITY. Translated from the English on the author's second and last edition, enriched with his new experiments. Paris, Guillot, 1785. In-8 of 24-343-[5] pages, paperback, blank covers, modern folder and slipcase. FIRST EDITION OF THE FRENCH TRANSLATION, by Abbé de Silvestre, with 4 copper-engraved folding plates showing Franklin's machines, Leyden bottles and various electrostatic machines. Some brown spots.