SIGAUD DE LA FOND. TREATISE ON ELECTRICITY. In which we expose, and demonstrate by experiment, all the electrical discoveries made to date, to serve as a sequel to the Leçons de physique by the same author. Paris, Des Ventes de La Doué, 1771. In-12, [2]-30-413-[3] pages, blond calf, gilt fillets with arms on the boards, spine decorated, gilt edges (English binding of the period). First edition, with 12 beautiful copper-engraved folding plates. Copy bearing the arms of the Duke of Sutterland with the motto "Honi soit qui mal y pense". One spine cracked and hinges dry.