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 Date: 2010-01-14 18:05:18Military technology Medieval artillery Trebuchet Catapult Aircraft catapult Artillery Projectile Military science Projectile weapons Ballistics Roman siege engines |
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| First Page | Document Content | |
|---|---|---|
Date: 2010-01-14 18:05:18Military technology Medieval artillery Trebuchet Catapult Aircraft catapult Artillery Projectile Military science Projectile weapons Ballistics Roman siege engines |
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Paper Clip Catapult Challenge Overview