Encyclopedia of historical weapons - Umbo

See Boss.

Encyclopedia of historical weapons

From Encyclopedia

Breaths
Holes or slits in the visor of a helmet or the lames of a falling buffe or bevor, for ventilation; also…
Camail
Also Aventail. Hood or tippet made from mail.
Langet
Metal strips attached to the the shaft of a polearm to reinforce the torque of its head, and to protect the joint connecting the head and…
Umbo
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