Valturius

military, siege machine in dragon shape, coloured

military, artillery, rotable gun turret, Machina

military, siege machine, battering ram, coloured

technics, machines, tackle for gun barrels, coloured

military, chariot, coloured woodcut, De re militari

military, chariot, coloured woodcut, De re militari

military, siege, wheel-away ramp, coloured woodcut

military, siege, trebuchet, coloured woodcut