Onager. It was an imperial Roman torsion powered siege engine. Engraving. Museo Militar, 1883.

1883 • 19TH CENTURY • 19TH • ANCIENT AGE • ANCIENT HISTORY • ANCIENT ROME • ANCIENT • ANTIQUE • ARMAMENT (IN PREPARATION FOR WAR) • ARMAMENT • ARMED • ARMS • ARTFORM • ARTILLERY • BESIEGE • BESIEGING • CANNON • CATAPULT • DESIGN • ENGINE • ENGINEERING • ENGINERY • ENGRAVED • ENGRAVING (ARTWORK) • ENGRAVING • ENGRAVING. • ENGRAVINGS • ETCHING • EUROPA • EUROPE • FIRING (GUN) • FIRING • FORCE • FORTIFICATION • HISTORIA UNIVERSAL • HISTORY • HUNDRED YEARS WAR • LAUNCHING • LEVER • LOOSE OF • MACHINE • MACHINERY • MACHINES • MASCHINE • MECHANISM • MILITAR • MILITARS • MILITARY • MOTOR • OLD ERA • OLD • ONAGER • POWER (POLITICAL) • POWER • PRINT • PROJECTILE • PROJECTILES • PULL • ROCK • ROCKY • ROMAN EMPIRE • ROMAN ERA • ROMAN PERIOD • ROMAN TIMES • ROME ANCIENT • RULE (POLITICAL) • RULE • SHOOT • SHOOTING DOWN • SHOOTING • SHOT • SIEGE • SITE • SLING • SMALL CATAPULT • STONE • STONES • STRENGTH • TECHNICAL • TECHNIQUE • TECHNOLOGY • TEHNOLOGY • THROW • TORSION • WALL • WAR • WARFARE • WEAPON • WEAPONRY • WEAPONS • XIX CENTURY