Labels:book | box | bulletin board | curling iron | door | person | pole | poster | reckoner | trade name OCR: WARFARE T Leonardo's time early forms of guns and cannons were used in the wars WHEET LOCK between the Italian city-sta ites Leonardo desi igned many improvements of existing technology. he wheel lock is system for firing gun. 11 works in much the same way as cigarette lighter When the trigger 1S pulled, wheel rubs against flint, producing spark that ignites the gunpowder The explosion of the gunpowder propels the ammunition down the gun barrel Historians credit Nurem nberg watchmaker with inventing the wheel lock 15 years after Leonardo originally drew if WARFARE Wai is beastly folly 1996 SoftKey Multimedia Inc. subsidiary of SoftKey International Inc states designed Nuremberg SoftKev
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