Encyclopedia of historical weapons - Helmet

Armor protecting the head. Comes in many forms.

Encyclopedia of historical weapons

From Encyclopedia

Coat-armor
Top-covering piece of clothing. Popular in tournaments where it presented the beholder’s coat of arms.
Hauberk
Long (up to knees or longer) coat of mail with originally long sleeves and later sleeves ending in mail mittens.
Pollaxe
(The preferred spelling to polaxe or poleaxe). A knightly staff weapon, its head being an axehead, usually balanced by a fluke or…
Novacula
Sickle-like tool consisting of a tanged, iron head fitted into a wooden handle. 
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