WEAPONS machines battle; on the left. a machine used to go through the practice breaches in the walls of fortresses; on the right scale siege of different types: a re-sealable and the other removable; described by historian Roberto Valturio (1405-1475) in Book X of his work 'De Re Military '; composed between 1446 and 1455 to celebrate its patron Sigismondo Pandolfo Malatesta. The work in volume XII had already been widely disseminated in manuscript was produced in 1472 in Verona; the first printed edition; with woodcuts taken from the original drawings attribuititi to Matteo de 'Pasti; the first exemplar of a technique presented in print. Print facsimile of a table taken from the code of 1463.