Summary

1911 Encyclopædia Britannica, Volume 12… (1911)

HALBERT, Halberd or Halbard, a weapon consisting of an axe-blade balanced by a pick and having an elongated pike-head at the end of the staff, which was usually about 5 or 6 ft. in length. The utility of such a weapon in the wars of the later middle ages lay in this, that it gave the foot soldier the means of dealing with an armoured man on horseback. The pike could do no more than keep the horseman at a distance.
Source: Wikisource

1911 Encyclopædia Britannica, Volume 12… (1911)

The partizans, ranseurs and halberts proper developed naturally from the earlier types. The feature common to all, as has been said, is the combination of spear and axe. In the halberts the axe predominates, as the examples (fig. 10, Swiss, early 15th century; fig. 11, Swiss, middle 16th century; and fig. 12, German court halbert of the same period as fig. 11) show. In the partizan the pike is the more important, the axe-heads being reduced to little more than an ornamental feature.
Source: Wikisource

1911 Encyclopædia Britannica, Volume 12… (1911)

This ensured security for the foot soldier but did not enable him to strike a mortal blow, for which firstly a long-handled and secondly a powerful weapon, capable of striking a heavy cleaving blow, was required. Several different forms of weapon responding to these requirements are described and illustrated below; it will be noticed that the thrusting pike is almost always combined with the cutting-bill hook or axe-head, so that the individual billman or halberdier should not be at a disadvantage if caught alone by a mounted opponent, or if his first descending blow missed its object.
Source: Wikisource

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