The wooden roof of the Guild Hall, which was the Common Hall, erected
in the fifteenth century, is supported by wooden columns. The walls of
this hall and the entire basement are of stone.

Of Davy Hall, the King's administrative offices and prison for the
Royal Forest of Galtres, not a trace remains to show the kind of
buildings they were.

_The Fortifications_ consisted of the Castle and the city Walls with
their gateways. The massive stone Keep of the Castle was on a high
artificial mound at the city end of the enclosed area occupied by the
Castle. Around this mound there was a moat, or deep, broad ditch
filled with water. The Keep, which is in plan like a quatrefoil,
consisted of two storeys. Within, near the entrance, there is a well,
the memory of which is for ever stained by the unhappy part it played
in one of the most bitter persecutions of the Jews. Beyond the Keep
there were inner and outer wards, official buildings including the
King's great hall, the Royal Mint, and barracks for the King's
soldiers. The entire Castle, which was the residence of the royal
governor, and a military depôt, was surrounded by walls, outside which
were moats, or the river, or swamps, according to the position of each
side. These moats, or defensive ditches, were crossed by drawbridges.
To enter a fortified place in the Middle Ages one had to pass a
barbican (_i.e._ an outwork consisting of a fortified wall along each
side of the one way); a drawbridge across the moat; a portcullis or
gate of stoutly inter-crossing timbers (set horizontally and
vertically with only a small space between any two beams, giving the
whole gate the appearance of a large number of small square holes,
each surrounded by solid wood) that could be lowered or raised at will
in grooves at the sides of the entrance opening. The ends of the