Springald

A Springald is a late 12th century or early 13th century mechanical artillery device for throwing large bolts and less commonly stones or Greek fire, based around the design of a contemporary crossbow and a Greek ballista, but with inward swinging arms. Examples have been drawn by Leonardo da Vinci, but at a time when he was also drawing powder-pr
Found on http://en.wikipedia.org/wiki/Springald

Springald

• (a.) Alt. of Springall
Found on http://thinkexist.com/dictionary/meaning/springald/
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