BORGO, Carlo (1731-1794) - Analisi ed esame ragionato dell'arte della fortificazione e difesa delle piazze. Venice: Antonio Zatta, 1777. A treatise on the use of the different bullets including the description of an optical telegraph invented by the author. 4to (248 x 182mm). Engraved vignette, head and tail-pieces, 20 engraved folding plates, all by the circle of Zatta (lacking the portrait of the king of Poland, some stains including on frontispiece, some creasing at plate's extremities, plate XVI with part of the engraving attached on the other side of the folding plate causing, if opened, a small hole). Contemporary calf, gilt fillet and gilt spine, red edges (some scuffing). There is also another version of the work divided into two parts by a half-title.