Springald

right|300pxA Springald, or espringal, is a mechanical artillery device for throwing large bolts and less commonly stones. 
==Details==
It was constructed on the same principles as a ballista, but with inward swinging arms. It was also known as a 'skein-bow', and was a torsion device using twisted skeins of silk or sinew to power two bow-arms.
==Trivia==
*It is not to be confused with the mouse character Springald from Loemhedge.
==External links==
Category:Weapons