Treatise on Field Fortifications
Giovan Battista Belluzzi (1506–54) was a San Marino native who served as chief military engineer to Cosimo I de' Medici (1519–74), duke of Florence. This manuscript, believed to be in Belluzzi’s own hand, was written for Stefano IV Colonna, a Florentine general also in the employment of the Medici family. The manuscript contains instructions for building military fortifications in remote areas, using only local resources such as earth and wood as structural elements. The text includes a discourse on how to evaluate the condition of the soil ...