The Kegelhelm (German: "cone helm") or Kegel type is a type of helmet. It is an open-faced helmet of roughly conical shape, sometimes with extensions at the sides to protect the cheeks, or a crest-holder on top. It was made of bronze, sometimes in several pieces. It was the progenitor of many Greek helmets,[1] especially the "Illyrian" type helmet. It did not outlast the eighth century BC.
^Peter Connoly, Greece & Rome at War, ISBN1-85367-303-X, p.60: "There are several forms of Greek helmet but they all seem to have evolved from two prototypes - the Kegel and the primitive corinthian"
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