*** LINKS ***
Homemade Ballista
DaVinci’s Ballista
Greek Gastraphetes
http://www.youtube.com/watch?v=OlxU6FUlNZU
Scorpion
PSE Tactical Assault Crossbows
http://www.youtube.com/watch?v=b5nVSfv0Rlg
Longbow Vs Crossbow
Electric Automatic Crossbow
http://www.youtube.com/watch?v=QS4RKoRyTik
http://www.awhite.fsbusiness.co.uk/x_bows.html
Gatling Slingshot Crossbow
Lego Crossbow
Self-cocking Crossbow Pistol
Repeating Crossbow
http://www.youtube.com/watch?v=0R9u2gjbw1w
Link’s Crossbow Training
10 Shot Tactical Repeating Crossbow (Zombie Killer)
Chinese Repeating Crossbow (Military Channel)
http://www.youtube.com/watch?v=JToxcNxED5I
Call of Duty Black Ops: Crossbow Kills
http://www.youtube.com/watch?v=5LhGlqxH5OA