Medieval artillery

#	Item
21	The Trebuchet Originally Published in the Add to Reading List Source URL: www.sewanee.edu Language: English - Date: 2011-08-23 12:49:22 Trebuchet Military history Military science Fortification Military engineering Counterweight Sling Catapult Onager Roman siege engines Projectile weapons Medieval artillery
22	Estonian Journal of Archaeology, 2006, 10, 1, 61–80 Tanel Saimre Add to Reading List Source URL: www.kirj.ee Language: English - Date: 2007-09-26 04:47:50 Roman siege engines Physics Military science Military history Counterweight Sling Siege engine Catapult Siege Projectile weapons Medieval artillery Trebuchet
23	PDF Document Add to Reading List Source URL: www.algobeautytreb.com Language: English - Date: 2011-03-25 13:36:55 Physics Mechanics Range of a projectile Counterweight Sling Trajectory Dimensional analysis Artillery Motion Ballistics Medieval artillery Trebuchet