Labels:book | box | bulletin board | door | person | poster | reckoner OCR: WARFARE Leonardo's time, early forms STEAM CANNON in of the guns wars and between cannons the were Italian used city-states. Leonardo designed many improvements of existing technology his cannon uses steam rather than gunpowder to fire the cannonball container full of water is placed on top of brazier or pan of burning coal, near the breech, or back end of the gun. When the water heated, if turns into steam The force of the steam propels the ammunition out of the cannon Steam cannons were later used during the Ameri ican Civil War and World War the water] will instantly become hanged into so much steam that it will seen marve ous and especially when sees its fury and hears its c 1996 SoftKey Multimedia Inc., subsidiary of SoftKey International Inc American seem marvelous roar
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