The taller northwest tower has similar windows that get much shorter on the third and attic stories, topped by a crenelated parapet and machicolated cornice.
12.
Entry was by ladder to a door about from the base above which was a machicolated ( slotted ) platform which allowed for downward fire on attackers.
13.
The original Louvre was nearly square in plan ( seventy-eight by seventy-two metres ) and enclosed by a 2.6-metre thick crenellated and machicolated curtain wall.
14.
He also notes that the entrance and south sides are symmetrical and that the conservatory is of " ecclesiastical appearance . " The turrets have slit windows, which are machicolated and crenellated.
15.
There is a machicolated projection at the east end of the north wall, at parapet level, although its defensive value would have been limited, as it was not placed above the entrance.
16.
It was constructed between 1891 and 1893 and originally consisted of a square compound, with brick walls, with an elaborate gatehouse, featuring a machicolated parapet, a sandstone archway and elaborate panelled doors.
17.
Some castles continued to be built without keeps : the Bastille in the 1370s, for example, combined a now traditional quadrangular design with machicolated corner towers, gatehouses and moat; the walls, innovatively, were of equal height to the towers.
18.
The battlements are loop-holed, and the merlins over the gateways and at certain places along the wall, are machicolated; while semi-circular bastions surmounted by towers, occur at each flanking angle, and at regular intervals along the works.
19.
The tower has a coped cylindrical base, with a doorway to the East, flanked by a barred window opening and an infilled opening; the shaft of the tower is stepped in from the base and three vertically aligned windows sit above the doorway; a coped cornice lies over a well machicolated eaves course.
20.
Other remarkable monuments are : the old gate, the " Porte Saint-Georges "; its river front is composed of two large crenelated and machicolated towers, connected by a pavilion, and the ancient hospital of Saint-Jacques that afterwards became a college of the Marshal Rochambeau, born at Vend�me in 1725.
