BECCARIA (G). DELLA ELETTRICITA TERRESTRE ATMOSFERICA A CIELO SERENO. Without place or name (Turin, 1775?) In-4° of [6]-54-[1] pages, 19th century yellow boards. FIRST EDITION of Beccaria's essay on atmospheric electricity in fine weather. Bound at the end by the same author: - EXPERIMENTA ATQUE OBSERVATIONES QUIBUS ELECTRICITA VINDEX. Turin, 1769. [4]66 pages, 1 folding table and 1 folded engraved plate. One plate detached, light foxing.