KWE3033757: The use of deception in war. A Chinese emperor of the 2nd century BC using mannequins on his besieged city walls to deceive the enemy. Legend has it that the mannequins were dressed as beautiful women and when the wife of the invading chieftain saw them she was so jealous that she persuaded her husband to withdraw his army. From Hutchinson's History of the Nations, published 1915., Unknown Artist / Bridgeman Images
KWE955304: Examples of cannons. From left to right, a German Nachtigall cannon cast in Brunswick, Germany, a Russian cannon probably from Narva, Russia dating from around 1700 and a Danish cannon called Der Grimige Lowe, dating from around 1582. From Notes Autographes du Comte Erik Dahlbergh, published 1913., Unknown Artist / Bridgeman Images