Encyclopedia of historical weapons - Onager

Roman Ballista, so named after a wild ass because of the way it kicked back upon firing. It was most common in the armies in the mid 4th century AD. Since they were so large and slow to move the onagri were most suited for sieges. The length of the sling on the end of the arm could be adjusted to affect the trajectory of the stone.

Encyclopedia of historical weapons

From Encyclopedia

Cowter
See Couter.
Shoulder
The corner part of a sword. Connects a blade to a tang.
Adze
The adze was a traditional carpenter’s tool with a long thin axe-like blade attached at a right angle to the handle; they were used for cutting…
Vervelles
Bronze, brass, or latten staples that attached to a bascinet to enable the leather cuff of an aventail to be secured to the helmet.
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